<template>
  <div>
    <!-- 搜索栏 -->
    <el-card id="search">
      <el-row>
        <el-col :span="18">
          <el-input placeholder="角色名" v-model="searchModel.roleName" clearable> </el-input>
          <el-button @click="getRoleList" type="primary" icon="el-icon-search" round>查询</el-button>
        </el-col>
        <el-col :span="6" align="right">
          <el-button @click="openEditUI(null)" type="primary" icon="el-icon-plus" circle></el-button>
        </el-col>
      </el-row>
    </el-card>

    <!-- 结果列表 -->
    <el-card>
 
        <el-table :data="roleList" stripe style="width: 100%">
          <el-table-column label="#" width="80">
            <template slot-scope="scope">
              {{(searchModel.pageNo-1) * searchModel.pageSize + scope.$index + 1}}
            </template>
          </el-table-column>
          <el-table-column prop="roleId" label="角色编号" width="180">
          </el-table-column>
          <el-table-column prop="roleName" label="角色名称" width="180">
          </el-table-column>
          <el-table-column prop="roleDesc" label="角色描述" >
          </el-table-column>
          <el-table-column   label="操作" width="180">
            <template slot-scope="scope">
              <el-button @click="openEditUI(scope.row.roleId)" type="primary" icon="el-icon-edit" circle size="mini"></el-button>
              <el-button @click="deleteRole(scope.row)" type="danger" icon="el-icon-delete" circle size="mini"></el-button>
            </template>
          </el-table-column>
        </el-table> 
 
    </el-card>
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="searchModel.pageNo"
      :page-sizes="[5, 10, 20, 50]"
      :page-size="searchModel.pageSize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>

    <!-- 对话框 -->
    <el-dialog @close="clearForm" :title="title" :visible.sync="dialogFormVisible" :close-on-click-modal="false">
      <el-form :model="roleForm" ref="roleFormRef" :rules="rules">
        <el-form-item prop="roleName" label="角色名称" :label-width="formLabelWidth">
          <el-input v-model="roleForm.roleName" autocomplete="off"></el-input>
        </el-form-item>
        
        <el-form-item prop="roleDesc" label="角色描述" :label-width="formLabelWidth">
          <el-input v-model="roleForm.roleDesc" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRole">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>


<script>
import roleApi from '@/api/roleManage'
export default {
  data(){
    
    return{
      formLabelWidth: '130px',
      roleForm: {},
      dialogFormVisible: false,
      title: '',
      searchModel: {
        pageNo: 1,
        pageSize: 10
      },
      roleList: [],
      total: 0,
      rules:{
        roleName: [
          { required: true, message: '请输入角色名称', trigger: 'blur' },
          { min: 3, max: 50, message: '长度在 3 到 50 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods:{
    deleteRole(role){
      this.$confirm(`您确定删除角色 ${role.roleName} ？`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
      }).then(() => {
        roleApi.deleteRoleById(role.roleId).then(response => {
          this.$message({
            type: 'success',
            message: response.message
          });
          this.dialogFormVisible = false;
          this.getRoleList();
        });
        
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });          
      });
    },
    saveRole(){
      // 触发表单验证
      this.$refs.roleFormRef.validate((valid) => {
        if (valid) {
          // 提交保存请求
          roleApi.saveRole(this.roleForm).then(response => {
            // 成功提示
            this.$message({
              message: response.message,
              type: 'success'
            });
            // 关闭对话框
            this.dialogFormVisible = false;
            // 刷新表格数据
            this.getRoleList();
          });
          
        } else {
          console.log('error submit!!');
          return false;
        }
      });
      
    },
    clearForm(){
      this.roleForm = {};
      this.$refs.roleFormRef.clearValidate();
    },
    openEditUI(id){
      if(id == null){
        this.title = '新增角色';
      }else{
        this.title = '修改角色';
        roleApi.getRoleById(id).then(response => {
          this.roleForm = response.data;
        });
      }
      this.dialogFormVisible = true;
    },
    handleSizeChange(pageSize){
      this.searchModel.pageSize = pageSize;
      this.getRoleList();
    },
    handleCurrentChange(pageNo){
      this.searchModel.pageNo = pageNo;
      this.getRoleList();
    },
    getRoleList(){
      roleApi.getRoleList(this.searchModel).then(response => {
        this.roleList = response.data.rows;
        this.total = response.data.total;
      });
    }
  },
  created(){
    this.getRoleList();
  }
};
</script>

<style>
#search .el-input {
  width: 200px;
  margin-right: 10px;
}
.el-dialog .el-input{
  width: 85%;
}
</style>

import request from '@/utils/request'

export default{
  // 分页查询角色列表
  getRoleList(searchModel){
    return request({
      url: '/role/list',
      method: 'get',
      params: {
        roleName: searchModel.roleName,
        pageNo: searchModel.pageNo,
        pageSize: searchModel.pageSize
      }
    });
  },
  // 新增
  addRole(role){
    return request({
      url: '/role',
      method: 'post',
      data: role
    });
  },
  // 修改
  updateRole(role){
    return request({
      url: '/role',
      method: 'put',
      data: role
    });
  },
  // 保存角色数据
  saveRole(role){
    if(role.roleId == null || role.roleId == undefined){
      return this.addRole(role);
    }
    return this.updateRole(role);
  },
  // 根据id查询
  getRoleById(id){
    return request({
      url: `/role/${id}`,
      method: 'get'
    });
  },
  // 根据id删除
  deleteRoleById(id){
    return request({
      url: `/role/${id}`,
      method: 'delete'
    });
  },

}

package com.example.sys.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.example.common.vo.Result;
import com.example.sys.entity.Role;
import com.example.sys.service.IRoleService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.stereotype.Controller;

import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author CanisRufus
 * @since 2023-06-30
 */
@RestController
@RequestMapping("/role")
public class RoleController {

    @Autowired
    private IRoleService roleService;

    @GetMapping("/list")
    public Result<Map<String,Object>> getUserList(@RequestParam(value = "roleName",required = false) String roleName,
                                                  @RequestParam(value = "pageNo") Long pageNo,
                                                  @RequestParam(value = "pageSize") Long pageSize){
        LambdaQueryWrapper<Role> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(StringUtils.hasLength(roleName),Role::getRoleName,roleName);
        wrapper.orderByDesc(Role::getRoleId);

        Page<Role> page = new Page<>(pageNo,pageSize);
        roleService.page(page, wrapper);

        Map<String,Object> data = new HashMap<>();
        data.put("total",page.getTotal());
        data.put("rows",page.getRecords());

        return Result.success(data);

    }

    @PostMapping
    public Result<?> addRole(@RequestBody Role role){
        roleService.save(role);
        return Result.success("新增角色成功");
    }

    @PutMapping
    public Result<?> updateRole(@RequestBody Role role){
        roleService.updateById(role);
        return Result.success("修改角色成功");
    }

    @GetMapping("/{id}")
    public Result<Role> getRoleById(@PathVariable("id") Integer id){
        Role role = roleService.getById(id);
        return Result.success(role);
    }

    @DeleteMapping("/{id}")
    public Result<Role> deleteRoleById(@PathVariable("id") Integer id){
        roleService.removeById(id);
        return Result.success("删除角色成功");
    }

}