vue 利用 elementUI 创建列表以及增删改查和分页

<template>
  <div class="user">
    <el-row>
      <el-col :span="24">
        <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{path:'/'}"> 首页 </el-breadcrumb-item>
        <el-breadcrumb-item> 用户管理 </el-breadcrumb-item>
        <el-breadcrumb-item> 用户列表 </el-breadcrumb-item>
      </el-breadcrumb>
      </el-col>
    </el-row>

    <el-row>
      <el-col :span="24">
        <!-- 给组件绑定原生事件的话，需要一个.native 的修饰符 -->
        <el-input placeholder="请输入内容" class="search-input" v-model="query" @keydown.native.enter="initList">
          <el-button slot="append" icon="el-icon-search" @click="initList"></el-button>
        </el-input>
        <el-button type="success" plain @click="addDialogFormVisible=true"> 添加用户 </el-button>
      </el-col>
    </el-row>

    <el-table
      class="margin-20"
      v-loading="loading"
      :data="userList"
      border
      style="width: 100%">
      <el-table-column
        type="index"
        width="50">
      </el-table-column>
      <el-table-column
        prop="username"
        label="姓名"
        width="180">
      </el-table-column>
      <el-table-column
        prop="email"
        label="邮箱"
        width="180">
      </el-table-column>
      <el-table-column
        prop="mobile"
        label="电话">
      </el-table-column>
      <el-table-column label="用户状态">
        <template slot-scope="scope">
          <el-switch v-model="scope.row.mg_state" @change="changeUserState(scope.row)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template slot-scope="scope">
          <el-button size="mini" type="primary" plain icon="el-icon-edit" @click="showEditDialog(scope.row)"></el-button>
          <el-button size="mini" type="danger" plain icon="el-icon-delete" @click="showDeleteDialog(scope.row)"></el-button>
          <el-button size="mini" type="warning" plain icon="el-icon-check" @click="showGrantDialog(scope.row)"></el-button>
        </template>
      </el-table-column>
    </el-table>
    // 分页
    <div class="page">
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="1"
        :page-sizes="[10, 20, 30, 40]"
        :page-size="10"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </div>

    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogFormVisible">
      <el-form :model="addForm" label-width="80px" :rules="rules" ref="addUserForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="addForm.mobile" auto-complete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="addDialogFormVisible = false"> 取 消 </el-button>
        <el-button type="primary" @click="addUserSubmit('addUserForm')"> 确 定 </el-button>
      </div>
    </el-dialog>
    <!-- 编辑用户对话框 -->
    <el-dialog title="编辑用户" :visible.sync="editDialogFormVisible">
      <el-form :model="editForm" label-width="80px" :rules="rules" ref="editUserForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" auto-complete="off" :disabled="true"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="editForm.mobile" auto-complete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="editDialogFormVisible = false"> 取 消 </el-button>
        <el-button type="primary" @click="editUserSubmit('editUserForm')"> 确 定 </el-button>
      </div>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="grantDialogFormVisible">
      <el-form :model="grantForm" label-width="120px">
        <el-form-item label="当前的用户：" prop="username">
          <el-tag type="info">{{grantForm.username}}</el-tag>
        </el-form-item>
        <el-form-item label="请选择角色：">
          <el-select v-model="roleId" placeholder="请选择角色">
            <el-option
              v-for="(role, index) in roleList"
              :key="index"
              :label="role.roleName"
              :value="role.id">
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="grantDialogFormVisible = false"> 取 消 </el-button>
        <el-button type="primary" @click="grantUserSubmit()"> 确 定 </el-button>
      </div>
    </el-dialog>
  </div>
</template>
<script>
import {getUserList, changeUserState, addUser, getUserById, editUser, deleteUser, getRoleList, grantUserRole} from '@/api'
export default {data () {
    return {
      loading: true,
      userList: [],
      query: '',
      total: 0,
      pagesize: 10,
      pagenum: 1,
      addDialogFormVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      editDialogFormVisible: false,
      editForm: {
        username: '',
        email: '',
        mobile: '',
        id: 0
      },
      grantDialogFormVisible: false,
      grantForm: {},
      roleList: [],
      roleId: '',
      // 添加用户的表单验证
      rules: {
        username: [{ required: true, message: '请输入用户名', trigger: 'blur'}
        ],
        password: [{ required: true, message: '请输入密码', trigger: 'blur'}
        ],
        email: [{ required: true, message: '请输入邮箱地址', trigger: 'blur'},
          {type: 'email', message: '请输入正确的邮箱地址', trigger: 'blur,change'}
        ],
        mobile: [{ required: true, message: '电话不能为空'}
        ]
      }
    }
  },
  created () {this.initList()
  },
  methods: {handleSizeChange (val) {console.log(` 每页 ${val} 条 `)
      this.pagesize = val
      this.initList()},
    handleCurrentChange (val) {console.log(` 当前页: ${val}`)
      this.pagenum = val
      this.initList()},
    // 初始化表格数据
    initList () {
      this.loading = true
      getUserList({params: {query: this.query, pagenum: this.pagenum, pagesize: this.pagesize}}).then(res => {console.log(res)
        this.userList = res.data.users
        this.total = res.data.total
        this.loading = false
      })
    },
    // 改变用户状态
    changeUserState (row) {console.log(row)
      changeUserState({uid: row.id, type: row.mg_state}).then(res => {if (res.meta.status === 200) {
          this.$message({
            type: 'success',
            message: '修改用户状态成功'
          })
        } else {
          this.$message({
            type: 'warning',
            message: res.meta.msg
          })
        }
      })
    },
    // 添加用户
    addUserSubmit (formName) {this.$refs[formName].validate(valide => {if (valide) {
          // 执行添加用户方法
          addUser(this.addForm).then(res => {console.log(res)
            if (res.meta.status === 201) {
              this.$message({
                type: 'success',
                message: '创建用户成功'
              })
            }
            this.addDialogFormVisible = false
            this.initList()})
        }
      })
    },
    // 显示编辑用户对话框
    showEditDialog (row) {
      this.editDialogFormVisible = true
      getUserById(row.id).then(res => {if (res.meta.status === 200) {
          this.editForm.username = res.data.username
          this.editForm.email = res.data.email
          this.editForm.mobile = res.data.mobile
          this.editForm.id = res.data.id
        }
      })
    },
    // 编辑用户提交
    editUserSubmit (formName) {this.$refs[formName].validate(valide => {if (valide) {editUser(this.editForm).then(res => {if (res.meta.status === 200) {
              this.$message({
                type: 'success',
                message: '编辑成功'
              })
              this.editDialogFormVisible = false
              this.initList()}
          })
        }
      })
    },
    // 显示删除对话框
    showDeleteDialog (row) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 执行删除用户操作
        deleteUser(row.id).then(res => {if (res.meta.status === 200) {
            this.$message({
              type: 'success',
              message: '删除成功!'
            })
            this.initList()}
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    // 显示分配角色对话框
    showGrantDialog (row) {
      this.grantForm = row
      this.grantDialogFormVisible = true
      getRoleList().then(res => {console.log(res)
        if (res.meta.status === 200) {this.roleList = res.data}
      })
    },
    // 分配角色
    grantUserSubmit () {if (!this.roleId) {
        this.$message({
          type: 'warning',
          message: '角色不能为空，请选择！'
        })
      } else {grantUserRole({id: this.grantForm.id, rid: this.roleId}).then(res => {if (res.meta.status === 200) {
            this.$message({
              type: 'success',
              message: '设置角色成功'
            })
            this.grantDialogFormVisible = false
          } else {
            this.$message({
              type: 'error',
              message: res.meta.msg
            })
          }
        })
      }
    }
  }
}
</script>
<style lang="scss" scoped>
.user {
  .margin-20 {margin: 20px 0;}
  .search-input {width: 300px;}
  .page {
    padding: 5px 0;
    background-color: #D3DCE6;
  }
}
</style>

api/index.js

import axios from 'axios'

const baseURL = 'http://localhost:8888/api/private/v1/'
axios.defaults.baseURL = baseURL

// 添加请求拦截器
axios.interceptors.request.use(function (config) {
  // 将 token 给到一个前后台约定好的 key 中，作为请求发送
  let token = localStorage.getItem('mytoken')
  if (token) {config.headers['Authorization'] = token
  }
  return config
}, function (error) {
  // Do something with request error
  return Promise.reject(error)
})

// 登录验证
export const checkUser = params => {return axios.post('login', params).then(res => res.data)
}
// 获取用户列表
export const getUserList = params => {return axios.get('users', params).then(res => res.data)
}
// 更改用户状态
export const changeUserState = params => {return axios.put(`users/${params.uid}/state/${params.type}`).then(res => res.data)
}
// 添加用户
export const addUser = params => {return axios.post('users', params).then(res => res.data)
}
// 根据 id 获取用户信息
export const getUserById = params => {return axios.get(`users/${params}`).then(res => res.data)
}
// 编辑用户信息
export const editUser = params => {return axios.put(`users/${params.id}`, params).then(res => res.data)
}
// 删除用户信息
export const deleteUser = params => {return axios.delete(`users/${params}`).then(res => res.data)
}
// 获取角色列表
export const getRoleList = params => {return axios.get('roles').then(res => res.data)
}
// 分配角色
export const grantUserRole = params => {return axios.put(`users/${params.id}/role`, {id: params.id, rid: params.rid}).then(res => res.data)
}