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01.base-sys 基础搭建

时间:2022-09-27 16:35:23浏览次数:45  
标签:01 String sys base key org import public

脚手架 base-sys

0.简介

1.基于SpringBoot+MybatisPlus-Plus的快速开发脚手架,具有完整的权限管理功能,前端使用Vue;
2.技术选型:
    SpringBoot              2.7.0   容器+MVC框架
    SpringSecurity          5.7.1   认证和授权框架
    MyBatis                 3.5.9   ORM框架
    MyBatis-Plus            3.5.1   MyBatis增强工具
    MyBatis-Plus Generator  3.5.1   数据层代码生成器
    Swagger-UI              3.0.0   文档生产工具
    Redis                   6.0     分布式缓存
    Docker                  20.10   应用容器引擎
    Druid                   1.2.9   数据库连接池
    Hutool                  5.8.0   Java工具类库
    JWT                     0.9.1   JWT登录支持
    Lombok                  1.18.24 简化对象封装工具

1.搭建项目

1.1 创建表

/*
 Navicat Premium Data Transfer

 Source Server         : localhost
 Source Server Type    : MySQL
 Source Server Version : 50560
 Source Host           : localhost:3306
 Source Schema         : mall_tiny

 Target Server Type    : MySQL
 Target Server Version : 50560
 File Encoding         : 65001

 Date: 14/09/2022 23:38:47
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table 1 structure for sys_admin
-- ----------------------------
DROP TABLE IF EXISTS `sys_admin`;
CREATE TABLE `sys_admin` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `username` varchar(64) DEFAULT NULL,
  `password` varchar(64) DEFAULT NULL,
  `icon` varchar(500) DEFAULT NULL COMMENT '头像',
  `email` varchar(100) DEFAULT NULL COMMENT '邮箱',
  `nick_name` varchar(200) DEFAULT NULL COMMENT '昵称',
  `note` varchar(500) DEFAULT NULL COMMENT '备注信息',
  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
  `login_time` datetime DEFAULT NULL COMMENT '最后登录时间',
  `status` int(1) DEFAULT '1' COMMENT '帐号启用状态:0->禁用;1->启用',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8 COMMENT='后台用户表';

-- ----------------------------
-- Records of sys_admin
-- ----------------------------
INSERT INTO `sys_admin` VALUES (1, 'admin', '$2a$10$.Xgy4yCIJhBSTIR1EsHL.O4lI63fi3kwMDzDZQI3tibQZ3GUa6iyC', 'http://macro-oss.oss-cn-shenzhen.aliyuncs.com/mall/images/20180607/timg.jpg', '[email protected]', '系统管理员', '系统管理员', '2022-09-14 13:32:47', '2022-09-14 12:45:16', 1);

-- ----------------------------
-- Table 2 structure for sys_admin_login_log
-- ----------------------------
DROP TABLE IF EXISTS `sys_admin_login_log`;
CREATE TABLE `sys_admin_login_log` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `admin_id` bigint(20) DEFAULT NULL,
  `create_time` datetime DEFAULT NULL,
  `ip` varchar(64) DEFAULT NULL,
  `address` varchar(100) DEFAULT NULL,
  `user_agent` varchar(100) DEFAULT NULL COMMENT '浏览器登录类型',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=287 DEFAULT CHARSET=utf8 COMMENT='后台用户登录日志表';

-- ----------------------------
-- Records of sys_admin_login_log
-- ----------------------------

-- ----------------------------
-- Table 3 structure for sys_admin_role_relation
-- ----------------------------
DROP TABLE IF EXISTS `sys_admin_role_relation`;
CREATE TABLE `sys_admin_role_relation` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `admin_id` bigint(20) DEFAULT NULL,
  `role_id` bigint(20) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=40 DEFAULT CHARSET=utf8 COMMENT='后台用户和角色关系表';

-- ----------------------------
-- Records of sys_admin_role_relation
-- ----------------------------
INSERT INTO `sys_admin_role_relation` VALUES (1, 1, 1);

-- ----------------------------
-- Table 4 structure for sys_menu
-- ----------------------------
DROP TABLE IF EXISTS `sys_menu`;
CREATE TABLE `sys_menu` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `parent_id` bigint(20) DEFAULT NULL COMMENT '父级ID',
  `title` varchar(100) DEFAULT NULL COMMENT '菜单名称',
  `level` int(4) DEFAULT NULL COMMENT '菜单级数',
  `sort` int(4) DEFAULT NULL COMMENT '菜单排序',
  `name` varchar(100) DEFAULT NULL COMMENT '前端名称',
  `icon` varchar(200) DEFAULT NULL COMMENT '前端图标',
  `hidden` int(1) DEFAULT NULL COMMENT '前端隐藏',
  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=29 DEFAULT CHARSET=utf8 COMMENT='后台菜单表';

-- ----------------------------
-- Records of sys_menu
-- ----------------------------
INSERT INTO `sys_menu` VALUES (1, 0, '系统设置', 0, 0, 'ums', 'ums', 0, '2022-09-14 16:29:13');
INSERT INTO `sys_menu` VALUES (2, 1, '用户列表', 1, 0, 'admin', 'ums-admin', 0, '2022-09-14 16:29:51');
INSERT INTO `sys_menu` VALUES (3, 1, '角色列表', 1, 0, 'role', 'ums-role', 0, '2022-09-14 16:30:13');
INSERT INTO `sys_menu` VALUES (4, 1, '菜单列表', 1, 0, 'menu', 'ums-menu', 0, '2022-09-14 16:30:53');
INSERT INTO `sys_menu` VALUES (5, 1, '资源列表', 1, 0, 'resource', 'ums-resource', 0, '2022-09-14 16:31:13');

-- ----------------------------
-- Table 5 structure for sys_resource
-- ----------------------------
DROP TABLE IF EXISTS `sys_resource`;
CREATE TABLE `sys_resource` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `name` varchar(200) DEFAULT NULL COMMENT '资源名称',
  `url` varchar(200) DEFAULT NULL COMMENT '资源URL',
  `description` varchar(500) DEFAULT NULL COMMENT '描述',
  `category_id` bigint(20) DEFAULT NULL COMMENT '资源分类ID',
  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=32 DEFAULT CHARSET=utf8 COMMENT='后台资源表';

-- ----------------------------
-- Records of sys_resource
-- ----------------------------
INSERT INTO `sys_resource` VALUES (1, '后台用户管理', '/admin/**', '', 4, '2022-09-14 16:47:34');
INSERT INTO `sys_resource` VALUES (2, '后台角色管理', '/role/**', '', 4, '2022-09-14 16:48:24');
INSERT INTO `sys_resource` VALUES (3, '后台菜单管理', '/menu/**', '', 4, '2022-09-14 16:48:48');
INSERT INTO `sys_resource` VALUES (4, '资源分类管理', '/resourceCategory/**', '', 4, '2022-09-14 16:49:18');
INSERT INTO `sys_resource` VALUES (5, '后台资源管理', '/resource/**', '', 4, '2022-09-14 16:49:45');

-- ----------------------------
-- Table 6 structure for sys_resource_category
-- ----------------------------
DROP TABLE IF EXISTS `sys_resource_category`;
CREATE TABLE `sys_resource_category` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `name` varchar(200) DEFAULT NULL COMMENT '分类名称',
  `sort` int(4) DEFAULT NULL COMMENT '排序',
  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8 COMMENT='资源分类表';

-- ----------------------------
-- Records of sys_resource_category
-- ----------------------------
INSERT INTO `sys_resource_category` VALUES (1, '商品模块', 0, '2022-09-14 10:21:44');
INSERT INTO `sys_resource_category` VALUES (2, '订单模块', 0, '2022-09-14 10:22:34');
INSERT INTO `sys_resource_category` VALUES (3, '营销模块', 0, '2022-09-14 10:22:48');
INSERT INTO `sys_resource_category` VALUES (4, '权限模块', 0, '2022-09-14 10:23:04');
INSERT INTO `sys_resource_category` VALUES (5, '内容模块', 0, '2022-09-14 16:34:27');
INSERT INTO `sys_resource_category` VALUES (6, '其他模块', 0, '2022-09-14 16:35:49');

-- ----------------------------
-- Table 7 structure for sys_role
-- ----------------------------
DROP TABLE IF EXISTS `sys_role`;
CREATE TABLE `sys_role` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `name` varchar(100) DEFAULT NULL COMMENT '名称',
  `description` varchar(500) DEFAULT NULL COMMENT '描述',
  `admin_count` int(11) DEFAULT NULL COMMENT '后台用户数量',
  `status` int(1) DEFAULT '1' COMMENT '启用状态:0->禁用;1->启用',
  `sort` int(11) DEFAULT '0',
  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8 COMMENT='后台用户角色表';

-- ----------------------------
-- Records of sys_role
-- ----------------------------
INSERT INTO `sys_role` VALUES (1, '超级管理员', '拥有所有查看和操作功能', 0, 1, 0, '2022-09-14 15:11:05');

-- ----------------------------
-- Table 8 structure for sys_role_menu_relation
-- ----------------------------
DROP TABLE IF EXISTS `sys_role_menu_relation`;
CREATE TABLE `sys_role_menu_relation` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `role_id` bigint(20) DEFAULT NULL COMMENT '角色ID',
  `menu_id` bigint(20) DEFAULT NULL COMMENT '菜单ID',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=111 DEFAULT CHARSET=utf8 COMMENT='后台角色菜单关系表';

-- ----------------------------
-- Records of sys_role_menu_relation
-- ----------------------------
INSERT INTO `sys_role_menu_relation` VALUES (1, 1, 1);
INSERT INTO `sys_role_menu_relation` VALUES (2, 1, 2);
INSERT INTO `sys_role_menu_relation` VALUES (3, 1, 3);
INSERT INTO `sys_role_menu_relation` VALUES (4, 1, 4);
INSERT INTO `sys_role_menu_relation` VALUES (5, 1, 5);

-- ----------------------------
-- Table 9 structure for sys_role_resource_relation
-- ----------------------------
DROP TABLE IF EXISTS `sys_role_resource_relation`;
CREATE TABLE `sys_role_resource_relation` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `role_id` bigint(20) DEFAULT NULL COMMENT '角色ID',
  `resource_id` bigint(20) DEFAULT NULL COMMENT '资源ID',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=216 DEFAULT CHARSET=utf8 COMMENT='后台角色资源关系表';

-- ----------------------------
-- Records of sys_role_resource_relation
-- ----------------------------
INSERT INTO `sys_role_resource_relation` VALUES (1, 1, 1);
INSERT INTO `sys_role_resource_relation` VALUES (2, 1, 2);
INSERT INTO `sys_role_resource_relation` VALUES (3, 1, 3);
INSERT INTO `sys_role_resource_relation` VALUES (4, 1, 4);
INSERT INTO `sys_role_resource_relation` VALUES (5, 1, 5);

SET FOREIGN_KEY_CHECKS = 1;

1.2 说明

说明:
    1. 角色role为基准,分别和用户admin、菜单menu、资源resource 关联;
    2. 角色role、用户admin、两者关系表admin_role_relation
    3. 角色role、菜单menu、 两者关系表role_menu_relation
    4. 角色role、资源resource、两者关系表role_resource_relation
    5. 其他的表:用户登录日志admin_login_log、资源分类resource_category

1. 默认的数据有:
    角色sys_role:超级管理员(1)
    用户sys_admin:系统管理员admin(1)
    用户角色关联表:(1,1,1);

    菜单sys_menu:系统设置、用户列表、角色列表、菜单列表、资源列表
    角色菜单关联表:(... 5个数据);

    资源sys_resource:后台用户管理、后台角色管理、后台菜单管理、资源分类管理、后台资源管理
    角色资源关联表:(... 5个数据);

    资源分类:几个分类;

2. 还有别的方式:用户 --- 角色 --- 权限 (功能少一些)

1.3 环境搭建

数据库MySQL、缓存Redis:https://www.cnblogs.com/lailix/p/16650703.html

1.4 创建项目,添加依赖

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.7.0</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <groupId>org.example</groupId>
    <artifactId>base-sys</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <!--SpringBoot通用依赖模块-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!--lombok依赖-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <!--SpringBoot校验框架-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-validation</artifactId>
        </dependency>
        <!--SpringBoot配置处理-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <!--集成druid连接池-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.2.9</version>
        </dependency>
        <!--MyBatis Plus 依赖-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.5.1</version>
        </dependency>
        <!--MyBatis Plus 代码生成器-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-generator</artifactId>
            <version>3.5.1</version>
        </dependency>
        <!--Velocity模板引擎-->
        <dependency>
            <groupId>org.apache.velocity</groupId>
            <artifactId>velocity-engine-core</artifactId>
            <version>2.3</version>
        </dependency>
        <!--redis依赖配置-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
        <!--Swagger-UI API文档生产工具-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-boot-starter</artifactId>
            <version>3.0.0</version>
        </dependency>
        <!--Hutool Java工具包-->
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.8.0</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

1.5 代码生成器

  1. 使用MybatisPlus 自带的生成代码功能,生成controller、service、mapper、model、mapper.xml等代码,无需手动创建
package org.example.generator;

import cn.hutool.core.util.StrUtil;
import cn.hutool.setting.dialect.Props;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.po.LikeTable;
import com.baomidou.mybatisplus.generator.config.querys.MySqlQuery;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.VelocityTemplateEngine;

import java.util.Collections;
import java.util.Scanner;

/**
 * MyBatisPlus代码生成器
 */
public class MyBatisPlusGenerator {
    public static void main(String[] args) {
        String projectPath = System.getProperty("user.dir");
        String moduleName = scanner("模块名");
        String[] tableNames = scanner("表名,多个英文逗号分割").split(",");
        // 代码生成器
        AutoGenerator autoGenerator = new AutoGenerator(initDataSourceConfig());
        autoGenerator.global(initGlobalConfig(projectPath));
        autoGenerator.packageInfo(initPackageConfig(projectPath, moduleName));
        autoGenerator.template(initTemplateConfig());
        autoGenerator.strategy(initStrategyConfig(tableNames));
        autoGenerator.injection(initInjectionConfig(projectPath, moduleName));
        autoGenerator.execute(new VelocityTemplateEngine());
    }

    //读取控制台内容信息
    private static String scanner(String tip) {
        Scanner scanner = new Scanner(System.in);
        System.out.println(("请输入" + tip + ":"));
        if (scanner.hasNext()) {
            String next = scanner.next();
            if (StrUtil.isNotEmpty(next)) {
                return next;
            }
        }
        throw new MybatisPlusException("请输入正确的" + tip + "!");
    }

    //初始化数据源配置
    private static DataSourceConfig initDataSourceConfig() {
        Props props = new Props("generator.properties");
        String url = props.getStr("dataSource.url");
        String username = props.getStr("dataSource.username");
        String password = props.getStr("dataSource.password");
        return new DataSourceConfig.Builder(url, username, password).dbQuery(new MySqlQuery()).build();
    }

    //初始化全局配置
    private static GlobalConfig initGlobalConfig(String projectPath) {
        return new GlobalConfig.Builder()
                .outputDir(projectPath + "/src/main/java")
                .author("java")
                .disableOpenDir()
                .enableSwagger()
                .fileOverride()
                .dateType(DateType.ONLY_DATE).build();
    }

    //初始化包配置
    private static PackageConfig initPackageConfig(String projectPath, String moduleName) {
        Props props = new Props("generator.properties");
        return new PackageConfig.Builder()
                .moduleName(moduleName)
                .parent(props.getStr("package.base"))
                .entity("model")
                .pathInfo(Collections.singletonMap(OutputFile.mapperXml, projectPath + "/src/main/resources/mapper/" + moduleName))
                .build();
    }

    //初始化模板配置
    private static TemplateConfig initTemplateConfig() {
        //可以对controller、service、entity模板进行配置
        TemplateConfig.Builder builder = new TemplateConfig.Builder();

        return builder
                .controller("template/controller.java.vm")
                .build();
    }

    //初始化策略配置
    private static StrategyConfig initStrategyConfig(String[] tableNames) {
        StrategyConfig.Builder builder = new StrategyConfig.Builder();
        builder.entityBuilder()
                .naming(NamingStrategy.underline_to_camel)
                .columnNaming(NamingStrategy.underline_to_camel)
                .enableLombok()
                .formatFileName("%s")
                .mapperBuilder()
                .enableBaseResultMap()
                .formatMapperFileName("%sMapper")
                .formatXmlFileName("%sMapper")
                .serviceBuilder()
                .formatServiceFileName("%sService")
                .formatServiceImplFileName("%sServiceImpl")
                .controllerBuilder()
                .enableRestStyle()
                .formatFileName("%sController");
        //当表名中带*号时可以启用通配符模式
        if (tableNames.length == 1 && tableNames[0].contains("*")) {
            String[] likeStr = tableNames[0].split("_");
            String likePrefix = likeStr[0] + "_";
            builder.likeTable(new LikeTable(likePrefix));
        } else {
            builder.addInclude(tableNames);
        }
        return builder.build();
    }

    //初始化自定义配置
    private static InjectionConfig initInjectionConfig(String projectPath, String moduleName) {
        // 自定义配置
        return new InjectionConfig.Builder().build();
    }
}
  1. 初始化数据源的配置文件为generator.properties:
dataSource.url=jdbc:mysql://localhost:3306/mall_tiny?useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
dataSource.driverName=com.mysql.jdbc.Driver
dataSource.username=root
dataSource.password=123456
package.base=org.example.module
  1. 工具自带的controller层没有内容,所以添加一个模板文件controller.java.vm:
package ${package.Controller};

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.example.common.api.CommonResult;
import ${package.Entity}.${table.entityName};
import ${package.Service}.${table.serviceName};
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.Arrays;
import java.util.List;
import java.util.Map;

/**
 * <p>
 * $!{table.comment} 前端控制器
 * </p>
 *
 * @author ${author}
 * @since ${date}
 */
@RestController
@RequestMapping("${package.ModuleName}/${table.entityPath}")
@Api(tags = "${table.entityPath}")
public class ${table.controllerName} {
    @Autowired
    private ${table.serviceName} ${table.entityPath}Service;

    //列表 TODO
    @RequestMapping("/list")
    @ApiOperation(value = "列表")
    public CommonResult list(@RequestParam Map<String, Object> params){
        List<${table.entityName}> list = ${table.entityPath}Service.list();
        return CommonResult.success(list, "list");
    }

    //信息
    @RequestMapping("/info/{id}")
    @ApiOperation(value = "信息")
    public CommonResult info(@PathVariable("id") Long id){
		${table.entityName} ${table.entityPath} = ${table.entityPath}Service.getById(id);
        return CommonResult.success(${table.entityPath}, "${table.entityPath}");
    }

    //保存
    @RequestMapping("/save")
    @ApiOperation(value = "保存")
    public CommonResult save(@RequestBody ${table.entityName} ${table.entityPath}){
		${table.entityPath}Service.save(${table.entityPath});
        return CommonResult.success(1);
    }

    //修改
    @RequestMapping("/update")
    @ApiOperation(value = "修改")
    public CommonResult update(@RequestBody ${table.entityName} ${table.entityPath}){
		${table.entityPath}Service.updateById(${table.entityPath});
        return CommonResult.success(1);
    }

    //删除
    @RequestMapping("/delete")
    @ApiOperation(value = "删除")
    public CommonResult delete(@RequestBody Long[] ids){
		${table.entityPath}Service.removeByIds(Arrays.asList(ids));
        return CommonResult.success(1);
    }
}

模板文件中的变量:

${package.Controller}               org.example.module.aaa.controller
${package.Service}                  org.example.module.aaa.service
${package.ModuleName}				aaa

${table.controllerName}				SysAdminController
${table.serviceName}                SysAdminService
${table.entityPath}					sysAdmin
$!{table.comment}					后台用户表

${controllerMappingHyphen}			sys-admin
${controllerMappingHyphenStyle}		false
${restControllerStyle}				true
${superControllerClassPackage}		${superControllerClassPackage}
${author}							java
${date}								2022-09-15

#参考配置文件中的变量
    com\baomidou\mybatis-plus-generator\3.5.1\mybatis-plus-generator-3.5.1.jar!\templates\controller.java.vm
  1. 另外需要创建基础工具类:统一返回值

CommonResult:

package org.example.common.api;

/**
 * 统一返回对象
 */
public class CommonResult<T> {
    private long code;
    private String message;
    private T data;

    protected CommonResult() {
    }

    protected CommonResult(long code, String message, T data) {
        this.code = code;
        this.message = message;
        this.data = data;
    }

    /**
     * 成功返回结果
     */
    public static <T> CommonResult<T> success(T data) {
        return new CommonResult<T>(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage(), data);
    }

    /**
     * 成功返回结果
     */
    public static <T> CommonResult<T> success(T data, String message) {
        return new CommonResult<T>(ResultCode.SUCCESS.getCode(), message, data);
    }

    /**
     * 失败返回结果
     */
    public static <T> CommonResult<T> failed(IErrorCode errorCode) {
        return new CommonResult<T>(errorCode.getCode(), errorCode.getMessage(), null);
    }

    /**
     * 失败返回结果
     */
    public static <T> CommonResult<T> failed(IErrorCode errorCode,String message) {
        return new CommonResult<T>(errorCode.getCode(), message, null);
    }

    /**
     * 失败返回结果
     */
    public static <T> CommonResult<T> failed(String message) {
        return new CommonResult<T>(ResultCode.FAILED.getCode(), message, null);
    }

    /**
     * 失败返回结果
     */
    public static <T> CommonResult<T> failed() {
        return failed(ResultCode.FAILED);
    }

    /**
     * 参数验证失败返回结果
     */
    public static <T> CommonResult<T> validateFailed() {
        return failed(ResultCode.VALIDATE_FAILED);
    }

    /**
     * 参数验证失败返回结果
     */
    public static <T> CommonResult<T> validateFailed(String message) {
        return new CommonResult<T>(ResultCode.VALIDATE_FAILED.getCode(), message, null);
    }

    /**
     * 未登录返回结果
     */
    public static <T> CommonResult<T> unauthorized(T data) {
        return new CommonResult<T>(ResultCode.UNAUTHORIZED.getCode(), ResultCode.UNAUTHORIZED.getMessage(), data);
    }

    /**
     * 未授权返回结果
     */
    public static <T> CommonResult<T> forbidden(T data) {
        return new CommonResult<T>(ResultCode.FORBIDDEN.getCode(), ResultCode.FORBIDDEN.getMessage(), data);
    }

    public long getCode() {
        return code;
    }

    public void setCode(long code) {
        this.code = code;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }
}

ResultCode:

package org.example.common.api;

/**
 * 枚举了一些常用API操作码
 */
public enum ResultCode implements IErrorCode {
    SUCCESS(200, "操作成功"),
    FAILED(500, "操作失败"),
    VALIDATE_FAILED(404, "参数检验失败"),
    UNAUTHORIZED(401, "暂未登录或token已经过期"),
    FORBIDDEN(403, "没有相关权限");
    private long code;
    private String message;

    private ResultCode(long code, String message) {
        this.code = code;
        this.message = message;
    }

    public long getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }
}

IErrorCode:

package org.example.common.api;

/**
 * 封装API的错误码
 */
public interface IErrorCode {
    long getCode();

    String getMessage();
}
  1. 运行文件:MyBatisPlusGenerator,自动生成目录module.xxx(模块)相关代码,其他模块也类似操作,分别输入:sys(模块名)、sys_*(表)
  2. MyBatis-Plus提供的增强功能相当强大,单表查询几乎不用手写SQL,直接使用ServiceImpl和BaseMapper中提供的方法即可。

2.添加基础配置

2.1 添加配置文件application.yml

  1. 主配置文件:
server:
  port: 8080
spring:
  application:
    name: base-sys
  profiles:
    active: dev

mybatis-plus:
  mapper-locations: classpath:/mapper/**/*.xml
  global-config:
    db-config:
      id-type: auto
  configuration:
    auto-mapping-behavior: partial
    map-underscore-to-camel-case: true
  1. 配置了多环境,开发环境为application-dev.yml:
spring:
  datasource:
    url: jdbc:mysql://localhost:3306/mall_tiny?useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai&useSSL=false
    username: root
    password: 123456
  redis:
    host: 101.43.52.64
    database: 1
    port: 6379
    password: 123456
    timeout: 3000ms

logging:
  level:
    root: info
    org.example: debug

2.2 配置MybatisPlus

package org.example.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * MyBatis配置类
 */
@Configuration
@EnableTransactionManagement
@MapperScan({"org.example.modules.*.mapper"})
public class MyBatisConfig {
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }
}

2.3 配置Swagger

  1. 自定义配置属性:
package org.example.common.config.property;

import lombok.Builder;
import lombok.Data;
import lombok.EqualsAndHashCode;

/**
 * Swagger自定义配置
 */
@Data
@EqualsAndHashCode(callSuper = false)
@Builder
public class SwaggerProperties {
    //API文档生成基础路径
    private String apiBasePackage;

    //是否要启用登录认证
    private boolean enableSecurity;

    //文档标题
    private String title;

    //文档描述
    private String description;

    //文档版本
    private String version;

    //文档联系人姓名
    private String contactName;

    //文档联系人网址
    private String contactUrl;

    //文档联系人邮箱
    private String contactEmail;
}
  1. 创建一个抽象基础类,定义基础配置:
package org.example.common.config.base;

import org.example.common.config.property.SwaggerProperties;
import org.springframework.context.annotation.Bean;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.ArrayList;
import java.util.List;

/**
 * Swagger基础配置
 */
public abstract class BaseSwaggerConfig {
    @Bean
    public Docket createRestApi() {
        SwaggerProperties swaggerProperties = swaggerProperties();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo(swaggerProperties))
                .select()
                .apis(RequestHandlerSelectors.basePackage(swaggerProperties.getApiBasePackage()))
                .paths(PathSelectors.any())
                .build();
        if (swaggerProperties.isEnableSecurity()) {
            docket.securitySchemes(securitySchemes()).securityContexts(securityContexts());
        }
        return docket;
    }

    private ApiInfo apiInfo(SwaggerProperties swaggerProperties) {
        return new ApiInfoBuilder()
                .title(swaggerProperties.getTitle())
                .description(swaggerProperties.getDescription())
                .contact(new Contact(swaggerProperties.getContactName(), swaggerProperties.getContactUrl(), swaggerProperties.getContactEmail()))
                .version(swaggerProperties.getVersion())
                .build();
    }

    private List<SecurityScheme> securitySchemes() {
        //设置请求头信息
        List<SecurityScheme> result = new ArrayList<>();
        ApiKey apiKey = new ApiKey("Authorization", "Authorization", "header");
        result.add(apiKey);
        return result;
    }

    private List<SecurityContext> securityContexts() {
        //设置需要登录认证的路径
        List<SecurityContext> result = new ArrayList<>();
        result.add(getContextByPath("/*/.*"));
        return result;
    }

    private SecurityContext getContextByPath(String pathRegex) {
        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex(pathRegex))
                .build();
    }

    private List<SecurityReference> defaultAuth() {
        List<SecurityReference> result = new ArrayList<>();
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        result.add(new SecurityReference("Authorization", authorizationScopes));
        return result;
    }

    /**
     * 自定义Swagger配置
     */
    public abstract SwaggerProperties swaggerProperties();
}
  1. Swagger API文档相关配置:先不启用安全
package org.example.config;

import org.example.common.config.base.BaseSwaggerConfig;
import org.example.common.config.property.SwaggerProperties;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping;
import springfox.documentation.spring.web.plugins.WebFluxRequestHandlerProvider;
import springfox.documentation.spring.web.plugins.WebMvcRequestHandlerProvider;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.lang.reflect.Field;
import java.util.List;
import java.util.stream.Collectors;

/**
 * Swagger API文档相关配置
 */
@Configuration
@EnableSwagger2
public class SwaggerConfig extends BaseSwaggerConfig {
   @Override
   public SwaggerProperties swaggerProperties() {
      return SwaggerProperties.builder()
              .apiBasePackage("org.example.module.sys.controller")
              .title("base-sys")
              .description("base-sys相关接口文档")
              .contactName("java")
              .version("1.0")
              .enableSecurity(false)
              .build();
   }

   @Bean
   public static BeanPostProcessor springfoxHandlerProviderBeanPostProcessor() {
      return new BeanPostProcessor() {
         @Override
         public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
            if (bean instanceof WebMvcRequestHandlerProvider || bean instanceof WebFluxRequestHandlerProvider) {
               customizeSpringfoxHandlerMappings(getHandlerMappings(bean));
            }
            return bean;
         }

         private <T extends RequestMappingInfoHandlerMapping> void customizeSpringfoxHandlerMappings(List<T> mappings) {
            List<T> copy = mappings.stream()
                    .filter(mapping -> mapping.getPatternParser() == null)
                    .collect(Collectors.toList());
            mappings.clear();
            mappings.addAll(copy);
         }

         @SuppressWarnings("unchecked")
         private List<RequestMappingInfoHandlerMapping> getHandlerMappings(Object bean) {
            try {
               Field field = ReflectionUtils.findField(bean.getClass(), "handlerMappings");
               field.setAccessible(true);
               return (List<RequestMappingInfoHandlerMapping>) field.get(bean);
            } catch (IllegalArgumentException | IllegalAccessException e) {
               throw new IllegalStateException(e);
            }
         }
      };
   }
}

2.4 配置Redis

  1. 创建工具类接口
package org.example.common.config.service;

import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * redis操作Service
 */
public interface RedisService {

    /**
     * 保存属性
     */
    void set(String key, Object value, long time);

    /**
     * 保存属性
     */
    void set(String key, Object value);

    /**
     * 获取属性
     */
    Object get(String key);

    /**
     * 删除属性
     */
    Boolean del(String key);

    /**
     * 批量删除属性
     */
    Long del(List<String> keys);

    /**
     * 设置过期时间
     */
    Boolean expire(String key, long time);

    /**
     * 获取过期时间
     */
    Long getExpire(String key);

    /**
     * 判断是否有该属性
     */
    Boolean hasKey(String key);

    /**
     * 按delta递增
     */
    Long incr(String key, long delta);

    /**
     * 按delta递减
     */
    Long decr(String key, long delta);

    /**
     * 获取Hash结构中的属性
     */
    Object hGet(String key, String hashKey);

    /**
     * 向Hash结构中放入一个属性
     */
    Boolean hSet(String key, String hashKey, Object value, long time);

    /**
     * 向Hash结构中放入一个属性
     */
    void hSet(String key, String hashKey, Object value);

    /**
     * 直接获取整个Hash结构
     */
    Map<Object, Object> hGetAll(String key);

    /**
     * 直接设置整个Hash结构
     */
    Boolean hSetAll(String key, Map<String, Object> map, long time);

    /**
     * 直接设置整个Hash结构
     */
    void hSetAll(String key, Map<String, ?> map);

    /**
     * 删除Hash结构中的属性
     */
    void hDel(String key, Object... hashKey);

    /**
     * 判断Hash结构中是否有该属性
     */
    Boolean hHasKey(String key, String hashKey);

    /**
     * Hash结构中属性递增
     */
    Long hIncr(String key, String hashKey, Long delta);

    /**
     * Hash结构中属性递减
     */
    Long hDecr(String key, String hashKey, Long delta);

    /**
     * 获取Set结构
     */
    Set<Object> sMembers(String key);

    /**
     * 向Set结构中添加属性
     */
    Long sAdd(String key, Object... values);

    /**
     * 向Set结构中添加属性
     */
    Long sAdd(String key, long time, Object... values);

    /**
     * 是否为Set中的属性
     */
    Boolean sIsMember(String key, Object value);

    /**
     * 获取Set结构的长度
     */
    Long sSize(String key);

    /**
     * 删除Set结构中的属性
     */
    Long sRemove(String key, Object... values);

    /**
     * 获取List结构中的属性
     */
    List<Object> lRange(String key, long start, long end);

    /**
     * 获取List结构的长度
     */
    Long lSize(String key);

    /**
     * 根据索引获取List中的属性
     */
    Object lIndex(String key, long index);

    /**
     * 向List结构中添加属性
     */
    Long lPush(String key, Object value);

    /**
     * 向List结构中添加属性
     */
    Long lPush(String key, Object value, long time);

    /**
     * 向List结构中批量添加属性
     */
    Long lPushAll(String key, Object... values);

    /**
     * 向List结构中批量添加属性
     */
    Long lPushAll(String key, Long time, Object... values);

    /**
     * 从List结构中移除属性
     */
    Long lRemove(String key, long count, Object value);
}
  1. 实现类
package org.example.common.config.service.impl;

import org.example.common.config.service.RedisService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;

import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * redis操作实现类
 */
public class RedisServiceImpl implements RedisService {
    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    @Override
    public void set(String key, Object value, long time) {
        redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
    }

    @Override
    public void set(String key, Object value) {
        redisTemplate.opsForValue().set(key, value);
    }

    @Override
    public Object get(String key) {
        return redisTemplate.opsForValue().get(key);
    }

    @Override
    public Boolean del(String key) {
        return redisTemplate.delete(key);
    }

    @Override
    public Long del(List<String> keys) {
        return redisTemplate.delete(keys);
    }

    @Override
    public Boolean expire(String key, long time) {
        return redisTemplate.expire(key, time, TimeUnit.SECONDS);
    }

    @Override
    public Long getExpire(String key) {
        return redisTemplate.getExpire(key, TimeUnit.SECONDS);
    }

    @Override
    public Boolean hasKey(String key) {
        return redisTemplate.hasKey(key);
    }

    @Override
    public Long incr(String key, long delta) {
        return redisTemplate.opsForValue().increment(key, delta);
    }

    @Override
    public Long decr(String key, long delta) {
        return redisTemplate.opsForValue().increment(key, -delta);
    }

    @Override
    public Object hGet(String key, String hashKey) {
        return redisTemplate.opsForHash().get(key, hashKey);
    }

    @Override
    public Boolean hSet(String key, String hashKey, Object value, long time) {
        redisTemplate.opsForHash().put(key, hashKey, value);
        return expire(key, time);
    }

    @Override
    public void hSet(String key, String hashKey, Object value) {
        redisTemplate.opsForHash().put(key, hashKey, value);
    }

    @Override
    public Map<Object, Object> hGetAll(String key) {
        return redisTemplate.opsForHash().entries(key);
    }

    @Override
    public Boolean hSetAll(String key, Map<String, Object> map, long time) {
        redisTemplate.opsForHash().putAll(key, map);
        return expire(key, time);
    }

    @Override
    public void hSetAll(String key, Map<String, ?> map) {
        redisTemplate.opsForHash().putAll(key, map);
    }

    @Override
    public void hDel(String key, Object... hashKey) {
        redisTemplate.opsForHash().delete(key, hashKey);
    }

    @Override
    public Boolean hHasKey(String key, String hashKey) {
        return redisTemplate.opsForHash().hasKey(key, hashKey);
    }

    @Override
    public Long hIncr(String key, String hashKey, Long delta) {
        return redisTemplate.opsForHash().increment(key, hashKey, delta);
    }

    @Override
    public Long hDecr(String key, String hashKey, Long delta) {
        return redisTemplate.opsForHash().increment(key, hashKey, -delta);
    }

    @Override
    public Set<Object> sMembers(String key) {
        return redisTemplate.opsForSet().members(key);
    }

    @Override
    public Long sAdd(String key, Object... values) {
        return redisTemplate.opsForSet().add(key, values);
    }

    @Override
    public Long sAdd(String key, long time, Object... values) {
        Long count = redisTemplate.opsForSet().add(key, values);
        expire(key, time);
        return count;
    }

    @Override
    public Boolean sIsMember(String key, Object value) {
        return redisTemplate.opsForSet().isMember(key, value);
    }

    @Override
    public Long sSize(String key) {
        return redisTemplate.opsForSet().size(key);
    }

    @Override
    public Long sRemove(String key, Object... values) {
        return redisTemplate.opsForSet().remove(key, values);
    }

    @Override
    public List<Object> lRange(String key, long start, long end) {
        return redisTemplate.opsForList().range(key, start, end);
    }

    @Override
    public Long lSize(String key) {
        return redisTemplate.opsForList().size(key);
    }

    @Override
    public Object lIndex(String key, long index) {
        return redisTemplate.opsForList().index(key, index);
    }

    @Override
    public Long lPush(String key, Object value) {
        return redisTemplate.opsForList().rightPush(key, value);
    }

    @Override
    public Long lPush(String key, Object value, long time) {
        Long index = redisTemplate.opsForList().rightPush(key, value);
        expire(key, time);
        return index;
    }

    @Override
    public Long lPushAll(String key, Object... values) {
        return redisTemplate.opsForList().rightPushAll(key, values);
    }

    @Override
    public Long lPushAll(String key, Long time, Object... values) {
        Long count = redisTemplate.opsForList().rightPushAll(key, values);
        expire(key, time);
        return count;
    }

    @Override
    public Long lRemove(String key, long count, Object value) {
        return redisTemplate.opsForList().remove(key, count, value);
    }
}
  1. 创建一个抽象基础类,实现基础配置
package org.example.common.config.base;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import org.example.common.config.service.RedisService;
import org.example.common.config.service.impl.RedisServiceImpl;
import org.springframework.context.annotation.Bean;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;

/**
 * Redis基础配置
 */
public class BaseRedisConfig {
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisSerializer<Object> serializer = redisSerializer();
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(serializer);
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashValueSerializer(serializer);
        redisTemplate.afterPropertiesSet();
        return redisTemplate;
    }

    @Bean
    public RedisSerializer<Object> redisSerializer() {
        //创建JSON序列化器
        Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(Object.class);
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        //必须设置,否则无法将JSON转化为对象,会转化成Map类型
        objectMapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance,ObjectMapper.DefaultTyping.NON_FINAL);
        serializer.setObjectMapper(objectMapper);
        return serializer;
    }

    @Bean
    public RedisCacheManager redisCacheManager(RedisConnectionFactory redisConnectionFactory) {
        RedisCacheWriter redisCacheWriter = RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory);
        //设置Redis缓存有效期为1天
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer())).entryTtl(Duration.ofDays(1));
        return new RedisCacheManager(redisCacheWriter, redisCacheConfiguration);
    }

    @Bean
    public RedisService redisService(){
        return new RedisServiceImpl();
    }
}
  1. Redis配置类
package org.example.config;

import org.example.common.config.base.BaseRedisConfig;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Configuration;

/**
 * Redis配置类
 */
@EnableCaching
@Configuration
public class RedisConfig extends BaseRedisConfig {
}

2.5 全局跨域配置

package org.example.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * 全局跨域配置
 */
@Configuration
public class GlobalCorsConfig {

    /**
     * 允许跨域调用的过滤器
     */
    @Bean
    public CorsFilter corsFilter() {
        CorsConfiguration config = new CorsConfiguration();
        //允许所有域名进行跨域调用
        config.addAllowedOriginPattern("*");
        //该用法在SpringBoot 2.7.0中已不再支持
        //config.addAllowedOrigin("*");
        //允许跨越发送cookie
        config.setAllowCredentials(true);
        //放行全部原始头信息
        config.addAllowedHeader("*");
        //允许所有请求方法跨域调用
        config.addAllowedMethod("*");
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", config);
        return new CorsFilter(source);
    }
}

2.6 统一异常处理

  1. 自定义API异常
package org.example.common.exception;

import org.example.common.api.IErrorCode;

/**
 * 自定义API异常
 */
public class ApiException extends RuntimeException {
    private IErrorCode errorCode;

    public ApiException(IErrorCode errorCode) {
        super(errorCode.getMessage());
        this.errorCode = errorCode;
    }

    public ApiException(String message) {
        super(message);
    }

    public ApiException(Throwable cause) {
        super(cause);
    }

    public ApiException(String message, Throwable cause) {
        super(message, cause);
    }

    public IErrorCode getErrorCode() {
        return errorCode;
    }
}
  1. 全局异常处理
package org.example.common.exception;

import org.example.common.api.CommonResult;
import org.springframework.validation.BindException;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * 全局异常处理
 */
@ControllerAdvice
public class GlobalExceptionHandler {

    @ResponseBody
    @ExceptionHandler(value = ApiException.class)
    public CommonResult handle(ApiException e) {
        if (e.getErrorCode() != null) {
            return CommonResult.failed(e.getErrorCode());
        }
        return CommonResult.failed(e.getMessage());
    }

    @ResponseBody
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public CommonResult handleValidException(MethodArgumentNotValidException e) {
        BindingResult bindingResult = e.getBindingResult();
        String message = null;
        if (bindingResult.hasErrors()) {
            FieldError fieldError = bindingResult.getFieldError();
            if (fieldError != null) {
                message = fieldError.getField() + fieldError.getDefaultMessage();
            }
        }
        return CommonResult.validateFailed(message);
    }

    @ResponseBody
    @ExceptionHandler(value = BindException.class)
    public CommonResult handleValidException(BindException e) {
        BindingResult bindingResult = e.getBindingResult();
        String message = null;
        if (bindingResult.hasErrors()) {
            FieldError fieldError = bindingResult.getFieldError();
            if (fieldError != null) {
                message = fieldError.getField() + fieldError.getDefaultMessage();
            }
        }
        return CommonResult.validateFailed(message);
    }
}

2.7 启动项目,验证

  1. 启动项目,可以正常启动,访问:http://localhost:8080/swagger-ui/ 正常看到接口;

标签:01,String,sys,base,key,org,import,public
From: https://www.cnblogs.com/lailix/p/16661386.html

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