政策查询系统（安卓）1

老师现在又要求将此系统功能实现在安卓端，正好最近学习了springboot相关知识，便用springboot做后端，安卓的页面做前端编写了此系统

创建springboot项目做好数据库配置

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/wuyi
    username: root
    password: 20223959

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.leap.jixianceshiboot.mapper.PolicyQueryMapper">
    <!--动态sql-->
    <select id="getPolicy" resultType="com.leap.jixianceshiboot.entity.Policy">
        select * from policy
        <where>
            <if test="name!=null">
                name like CONCAT('%', #{name}, '%')
            </if>

            <if test="document!=null">
                and document=#{document}
            </if>

            <if test="organ!=null">
                and organ=#{organ}
            </if>

            <if test="text!=null">
                and text like CONCAT('%', #{text}, '%')
            </if>
        </where>
    </select>

    <select id="findPolicyCountsByType" resultType="com.leap.jixianceshiboot.entity.PolicyTypeCount">
        SELECT type, COUNT(*) as count
        FROM policy
        GROUP BY type
    </select>

    <select id="getPolicy1" resultType="com.leap.jixianceshiboot.entity.Policy">
        select * from policy where type = #{type}
    </select>
    <select id="queryPolicy" resultType="com.leap.jixianceshiboot.entity.Policy">
        SELECT * FROM policy WHERE name LIKE CONCAT('%', #{name}, '%');
    </select>
    <select id="getAll" resultType="com.leap.jixianceshiboot.entity.Policy">
        select * from policy
    </select>


</mapper>

package com.leap.jixianceshiboot;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class JixianceshiBootApplication {

    public static void main(String[] args) {
        SpringApplication.run(JixianceshiBootApplication.class, args);
    }

}