实战 9 权限菜单管理

2023-12-25 18:33:24

目录

1、权限菜单后端接口

2、查询权限菜单列表

2.1 设计效果图

2.2 menuList.vue

3、 新增权限菜单

3.1 新增权限菜单窗口代码

3.2 选择所属菜单代码

3.3 封装图标选择器

3.4 新增、编辑和删除权限菜单


1、权限菜单后端接口

package com.cizhu.service;

import com.cizhu.entity.Permission;
import com.baomidou.mybatisplus.extension.service.IService;
import com.cizhu.vo.query.PermissionQueryVo;

import java.util.List;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author cizhu
 * @since 2023-12-14
 */
public interface IPermissionService extends IService<Permission> {
    /**
     * 根据用户ID查询菜单列表
     * @param userId
     * @return
     */
    List<Permission> findPermissionListByUserId(Long userId);


    List<Permission> findPermissionList(PermissionQueryVo permissionQueryVo);

    boolean hasChildrenOfPermission(Long id);

    List<Permission> findParentPermissionList();
}
package com.cizhu.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.cizhu.entity.Permission;
import com.cizhu.mapper.PermissionMapper;
import com.cizhu.service.IPermissionService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.cizhu.utils.MenuTree;
import com.cizhu.vo.query.PermissionQueryVo;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

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

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author cizhu
 * @since 2023-12-14
 */
@Service
@Transactional
public class PermissionServiceImpl extends ServiceImpl<PermissionMapper, Permission> implements IPermissionService {

    @Override
    public List<Permission> findPermissionListByUserId(Long userId) {
        return baseMapper.findPermissionListByUserId(userId);
    }

    @Override
    public List<Permission> findPermissionList(PermissionQueryVo permissionQueryVo) {
        //创建条件构造器对象
        QueryWrapper<Permission> queryWrapper = new QueryWrapper<Permission>();
        //排序
        queryWrapper.orderByAsc("order_num");
        //调用查询菜单列表的方法
        List<Permission> permissionList = baseMapper.selectList(queryWrapper);
        //生成菜单树
        List<Permission> menuTree = MenuTree.makeMenuTree(permissionList, 0L);
        //返回数据
        return menuTree;
    }

    @Override
    public boolean hasChildrenOfPermission(Long id) {
        return false;
    }

    @Override
    public List<Permission> findParentPermissionList() {
        QueryWrapper<Permission> queryWrapper = new QueryWrapper<Permission>();
        //只查询type为目录和菜单的数据(type=0或type=1)
        queryWrapper.in("type", Arrays.asList(0,1));
        //排序
        queryWrapper.orderByAsc("order_num");
        //查询菜单数据
        List<Permission> permissionList = baseMapper.selectList(queryWrapper);
        //构造顶级菜单信息,如果数据库中的菜单表没有数据,选择上级菜单时则显示顶级菜单
        Permission permission = new Permission();
        permission.setId(0L);
        permission.setParentId(-1L);
        permission.setLabel("顶级菜单");
        permissionList.add(permission);//将顶级菜单添加到集合
        //生成菜单数据
        List<Permission> menuTree = MenuTree.makeMenuTree(permissionList, -1L);
        //返回数据
        return menuTree;
    }

}
package com.cizhu.controller;


import com.cizhu.entity.Permission;
import com.cizhu.service.IPermissionService;
import com.cizhu.utils.Result;
import com.cizhu.vo.query.PermissionQueryVo;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author cizhu
 * @since 2023-12-14
 */
@RestController
@RequestMapping("/api/permission")
public class PermissionController {
    @Resource
    private IPermissionService permissionService;

    /**
     * 查询菜单列表
     * @param permissionQueryVo
     * @return
     */
    @GetMapping("/getPermissionList")
    @PreAuthorize("hasAuthority('sys:menu:select')")
    public Result getPermissionList(PermissionQueryVo permissionQueryVo){
        List<Permission> resultPermissionList = permissionService.findPermissionList(permissionQueryVo);
        return Result.ok(resultPermissionList);
    }

    /**
     * 查询上级菜单列表
     * @return
     */
    @GetMapping("/parent/list")
    public Result getParentPermissionList(){
        List<Permission> parentPermissionList = permissionService.findParentPermissionList();
        return Result.ok(parentPermissionList);
    }

    /**
     * 根据id查询菜单信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result getMenuById(@PathVariable Long id){
        return Result.ok(permissionService.getById(id));
    }

    /**
     * 添加菜单
     * @param permission
     * @return
     */
    @PostMapping("/addPermission")
    @PreAuthorize("hasAuthority('sys:menu:add')")
    public Result addPermission(@RequestBody Permission permission){
        if (permissionService.save(permission)) return Result.ok().message("菜单新增成功!");
        return Result.error().message("菜单新增失败!");
    }

    /**
     * 修改菜单
     * @param permission
     * @return
     */
    @PutMapping("/editPermission")
    @PreAuthorize("hasAuthority('sys:menu:edit')")
    public Result editPermission(@RequestBody Permission permission){
        if(permissionService.updateById(permission)) return Result.ok().message("修改菜单成功!");
        return Result.error().message("修改菜单失败!");
    }

    /**
     * 根据id删除菜单
     * @param id
     * @return
     */
    @DeleteMapping("/delete/{id}")
    @PreAuthorize("hasAuthority('sys:menu:delete')")
    public Result deletePermissionById(@PathVariable Long id){
        if (permissionService.removeById(id)) return Result.ok().message("删除菜单成功!");
        return Result.ok().message("删除菜单失败!");
    }

    /**
     * 检查菜单是否有子菜单
     * @param id
     * @return
     */
    @GetMapping("/check/{id}")
    public Result hasChildrenOfPermission(@PathVariable Long id){
        if (permissionService.hasChildrenOfPermission(id)) {
            return Result.exist().message("该菜单下有子菜单,不能删除!");
        }
        return Result.ok();
    }

}

package com.cizhu.entity;

import com.baomidou.mybatisplus.annotation.TableName;
import java.io.Serializable;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Getter;
import lombok.Setter;

/**
 * <p>
 * 
 * </p>
 *
 * @author cizhu
 * @since 2023-12-14
 */
@Getter
@Setter
@TableName("sys_role_permission")
@ApiModel(value = "RolePermission对象", description = "")
public class RolePermission implements Serializable {

    private static final long serialVersionUID = 1L;

    @ApiModelProperty("角色ID")
    private Long roleId;

    @ApiModelProperty("权限ID")
    private Long permissionId;


}
package com.cizhu.vo.query;

import com.cizhu.entity.Permission;
import lombok.Data;

@Data
public class PermissionQueryVo extends Permission {
}
package com.cizhu.entity;

import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import java.io.Serializable;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import com.fasterxml.jackson.annotation.JsonInclude;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Getter;
import lombok.Setter;

/**
 * <p>
 * 
 * </p>
 *
 * @author cizhu
 * @since 2023-12-14
 */
@Getter
@Setter
@TableName("sys_permission")
@ApiModel(value = "Permission对象", description = "")
public class Permission implements Serializable {

    /**
     * 子菜单列表
     */
    @JsonInclude(JsonInclude.Include.NON_NULL) //属性值为null不进行序列化操作
    @TableField(exist = false)
    private List<Permission> children = new ArrayList<Permission>();
    /**
     * 用于前端判断是菜单、目录或按钮
     */
    @TableField(exist = false)
    private String value;
    /**
     * 是否展开
     */
    @TableField(exist = false)
    private Boolean open;


    private static final long serialVersionUID = 1L;


    @ApiModelProperty("权限编号")
    @TableId(value = "id", type = IdType.AUTO)
    private Long id;

    @ApiModelProperty("权限名称")
    private String label;

    @ApiModelProperty("父权限ID")
    private Long parentId;

    @ApiModelProperty("父权限名称")
    private String parentName;

    @ApiModelProperty("授权标识符")
    private String code;

    @ApiModelProperty("路由地址")
    private String path;

    @ApiModelProperty("路由名称")
    private String name;

    @ApiModelProperty("授权路径")
    private String url;

    @ApiModelProperty("权限类型(0-目录 1-菜单 2-按钮)")
    private Integer type;

    @ApiModelProperty("图标")
    private String icon;

    @ApiModelProperty("创建时间")
    private Date createTime;

    @ApiModelProperty("修改时间")
    private Date updateTime;

    @ApiModelProperty("备注")
    private String remark;

    @ApiModelProperty("排序")
    private Integer orderNum;

    @ApiModelProperty("是否删除(0-未删除,1-已删除)")
    private Integer isDelete;

}

2、查询权限菜单列表

2.1 设计效果图

2.2 menuList.vue

列表页面原型代码,编写前端api脚本和页面组件代码

<template>
  <el-main>
    <!-- 新增按钮 -->
    <el-button type="success" size="small" @click="openAddWindow()" icon="el-icon-plus">新增</el-button>
    
    <!-- 数据表格 -->
    <el-table style="margin-top: 10px" :height="tableHeight" :data="menuList" row-key="id"
      default-expand-all :tree-props="{ children: 'children' }" :border="true" stripe>
      <el-table-column prop="label" label="菜单名称"></el-table-column>
      <el-table-column prop="type" label="菜单类型" align="center">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.type == '0'" size="normal">目录</el-tag>
          <el-tag type="success" v-else-if="scope.row.type == '1'" size="normal">菜单</el-tag>
          <el-tag type="warning" v-else-if="scope.row.type == '2'" size="normal">按钮</el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="icon" label="图标" align="center">
        <template slot-scope="scope">
          <i :class="scope.row.icon" v-if="scope.row.icon.includes('el-icon')" ></i>
          <svg-icon v-else :icon-class="scope.row.icon"></svg-icon>
        </template>
      </el-table-column>
      <el-table-column prop="name" label="路由名称"></el-table-column>
      <el-table-column prop="path" label="路由地址"></el-table-column>
      <el-table-column prop="url" label="组件路径"></el-table-column>
      <el-table-column label="操作" align="center">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="small" @click="editMenu(scope.row)">编辑</el-button>
          <el-button type="danger" size="small" icon="el-icon-delete" @click="deleteMenu(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    </el-main>
</template>

<style lang="scss" scoped>

</style>

?menu.js

import http from '@/utils/request'

export default {

  /**
  * 查询权限菜单列表
  * @param params
  */
  async getMenuList(params){
    return await http.get("/api/permission/list",params);
  },

  /**
  * 获取上级菜单
  * @returns
  */
  async getParentMenuList(params) {
    return await http.get("/api/permission/parent/list", params)
  },

  /**
  * 添加菜单
  * @returns
  */
  async addMenu(params){
    return await http.post("/api/permission/add",params)
  },

  /**
  * 修改菜单
  * @returns
  */
  async updateMenu(params) {
    return await http.put("/api/permission/update", params);
  },

  /**
  * 检查菜单下是否存在子菜单
  */
  async checkPermission(param){
    return await http.getRestApi("/api/permission/check",param);
  },

  /**
  * 删除菜单
  * @returns
  */
  async deleteById(params) {
    return await http.delete("/api/permission/delete", params);
  }
}

1) 菜单类型,图标

2)滚动条样式

public/index.html

 ::-webkit-scrollbar{
  width: 5px;
  height: 5px;
  background-color: #F5F5F5;
  }
  ::-webkit-scrollbar-track {
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  background-color: #F5F5F5;
  }
  ::-webkit-scrollbar-thumb{
  border-radius: 8px;
  box-shadow: inset 0 0 6px rgba(0, 0, 0, .1);
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .1);
  background-color: #c8c8c8;
  }

3、 新增权限菜单

3.1 新增权限菜单窗口代码

 <!-- 新增或编辑弹框 -->
    <system-dialog
    :title="menuDialog.title"
    :width="menuDialog.width"
    :height="menuDialog.height"
    :visible="menuDialog.visible"
    @onClose="onClose"
    @onConfirm="onConfirm">
      <div slot="content">
        <el-form :model="menu" ref="menuForm" :rules="rules" label-width="80px" :inline="true" size="small">
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="type">
              <el-radio-group v-model="menu.type">
                <el-radio :label="0">目录</el-radio>
                <el-radio :label="1">菜单</el-radio>
                <el-radio :label="2">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-form-item label="所属菜单" size="small" prop="parentName">
            <el-input v-model="menu.parentName" :readonly="true" @click.native="selectParentMenu()" />
          </el-form-item>
          <el-form-item label="菜单名称" size="small" prop="label">
            <el-input v-model="menu.label"></el-input>
          </el-form-item>
          <el-form-item label="路由名称" size="small" prop="name" v-if="menu.type == 1">
            <el-input v-model="menu.name"></el-input>
          </el-form-item>
          <el-form-item label="路由地址" size="small" prop="path" v-if="menu.type != 2">
            <el-input v-model="menu.path"></el-input>
          </el-form-item>
          <el-form-item label="组件路径" size="small" prop="url" v-if="menu.type == 1">
            <el-input v-model="menu.url"></el-input>
          </el-form-item>
          <el-form-item label="权限字段" size="small" prop="code">
            <el-input v-model="menu.code"></el-input>
          </el-form-item>
          <el-form-item label="菜单图标" size="small" >
            <my-icon @selecticon="setIcon" ref="child"></my-icon>
          </el-form-item>
          <el-form-item label="菜单序号" size="small">
            <el-input v-model="menu.orderNum"></el-input>
          </el-form-item>
        </el-form>
      </div>
    </system-dialog>

3.2 选择所属菜单代码


    <!-- 选择所属菜单弹框 -->
    <system-dialog
    :title="parentDialog.title"
    :width="parentDialog.width"
    :height="parentDialog.height"
    :visible="parentDialog.visible"
    @onClose="onParentClose"
    @onConfirm="onParentConfirm">
      <div slot="content">
        <el-tree
          style="font-size: 14px"
          ref="parentTree"
          :data="parentMenuList"
          node-key="id"
          :props="defaultProps"
          empty-text="暂无数据"
          :show-checkbox="false"
          default-expand-all
          :highlight-current="true"
          :expand-on-click-node="false"
          @node-click="handleNodeClick">
            <div class="customer-tree-node" slot-scope="{ node, data }">
              <!-- 长度为0说明没有下级 -->
              <span v-if="data.children.length == 0">
                <i class="el-icon-document" style="color: #8c8c8c; font-size: 18px"/>
              </span>
              <span v-else @click.stop="changeIcon(data)">
                <svg-icon v-if="data.open" icon-class="add-s"/>
                <svg-icon v-else icon-class="sub-s"/>
              </span>
              <span style="margin-left: 3px">{{ node.label }}</span>
            </div>
        </el-tree>
      </div>
    </system-dialog>

3.3 封装图标选择器

utils/icons.js

export const elementIcons = ["platform-eleme", "eleme", "delete-solid", "delete",
"s-tools", "setting", "user-solid", "user", "phone", "phone-outline", "more",
"more-outline", "star-on", "star-off", "s-goods", "goods", "warning", "warningoutline", "question", "info", "remove", "circle-plus", "success", "error", "zoomin", "zoom-out", "remove-outline", "circle-plus-outline", "circle-check", "circleclose", "s-help", "help", "minus", "plus", "check", "close", "picture", "pictureoutline", "picture-outline-round", "upload", "upload2", "download", "camerasolid", "camera", "video-camera-solid", "video-camera", "message-solid", "bell",
"s-cooperation", "s-order", "s-platform", "s-fold", "s-unfold", "s-operation", "spromotion", "s-home", "s-release", "s-ticket", "s-management", "s-open", "s-shop",
"s-marketing", "s-flag", "s-comment", "s-finance", "s-claim", "s-custom", "sopportunity", "s-data", "s-check", "s-grid", "menu", "share", "d-caret", "caretleft", "caret-right", "caret-bottom", "caret-top", "bottom-left", "bottom-right",
"back", "right", "bottom", "top", "top-left", "top-right", "arrow-left", "arrowright", "arrow-down", "arrow-up", "d-arrow-left", "d-arrow-right", "video-pause",
"video-play", "refresh", "refresh-right", "refresh-left", "finished", "sort",
"sort-up", "sort-down", "rank", "loading", "view", "c-scale-to-original", "date",
"edit", "edit-outline", "folder", "folder-opened", "folder-add", "folder-remove",
"folder-delete", "folder-checked", "tickets", "document-remove", "documentdelete", "document-copy", "document-checked", "document", "document-add",
"printer", "paperclip", "takeaway-box", "search", "monitor", "attract", "mobile",
"scissors", "umbrella", "headset", "brush", "mouse", "coordinate", "magic-stick",
"reading", "data-line", "data-board", "pie-chart", "data-analysis", "collectiontag", "film", "suitcase", "suitcase-1", "receiving", "collection", "files",
"notebook-1", "notebook-2", "toilet-paper", "office-building", "school", "tablelamp", "house", "no-smoking", "smoking", "shopping-cart-full", "shopping-cart-1",
"shopping-cart-2", "shopping-bag-1", "shopping-bag-2", "sold-out", "sell",
"present", "box", "bank-card", "money", "coin", "wallet", "discount", "price-tag",
"news", "guide", "male", "female", "thumb", "cpu", "link", "connection", "open",
"turn-off", "set-up", "chat-round", "chat-line-round", "chat-square", "chat-dotround", "chat-dot-square", "chat-line-square", "message", "postcard", "position",
"turn-off-microphone", "microphone", "close-notification", "bangzhu", "time",
"odometer", "crop", "aim", "switch-button", "full-screen", "copy-document", "mic",
"stopwatch", "medal-1", "medal", "trophy", "trophy-1", "first-aid-kit",
"discover", "place", "location", "location-outline", "location-information", "addlocation", "delete-location", "map-location", "alarm-clock", "timer", "watch-1",
"watch", "lock", "unlock", "key", "service", "mobile-phone", "bicycle", "truck",
"ship", "basketball", "football", "soccer", "baseball", "wind-power", "lightrain", "lightning", "heavy-rain", "sunrise", "sunrise-1", "sunset", "sunny",
"cloudy", "partly-cloudy", "cloudy-and-sunny", "moon", "moon-night", "dish",
"dish-1", "food", "chicken", "fork-spoon", "knife-fork", "burger", "tableware",
"sugar", "dessert", "ice-cream", "hot-water", "water-cup", "coffee-cup", "colddrink", "goblet", "goblet-full", "goblet-square", "goblet-square-full",
"refrigerator", "grape", "watermelon", "cherry", "apple", "pear", "orange",
"coffee", "ice-tea", "ice-drink", "milk-tea", "potato-strips", "lollipop", "icecream-square", "ice-cream-round"].map(s => "el-icon-" + s);
    /**
    * 切换图标
    * @param data
    */
    changeIcon(data) {
      data.ope = !data.open
      this.$refs.parentTree.store.nodesMap[data.id].expanded = !data.open
    },
    //给icon绑定的点击事件
    setIcon(icon) {
      this.menu.icon = icon;
    },

?

<template>
  <div class="chooseIcons">
    <el-popover placement="bottom" width="450" trigger="click">
      <span slot="reference" style="display: inline-block;width: 200px;height: 33px;line-height: 33px;">
        <i :class="userChooseIcon"></i>
        {{ userChooseIcon }}
      </span>
      <div class="iconList">
        <i v-for="item in iconList" :key="item" :class="item" @click="setIcon(item)" style="font-size: 20px"></i>
      </div>
    </el-popover>
  </div>
</template>
<script>
//导入自定义的icon图标库
import { elementIcons } from "@/utils/icons";

export default {
  name: 'MyIcon',
  data(){
    return{
      userChooseIcon:"",//用户选中的图标
      iconList:[],//图标列表
    }
  },
  created() {
    //获取图标列表
    this.getIconList();
  },
  methods:{
    /**
    * 获取图标列表
    */
    getIconList(){
      this.iconList = elementIcons;
    },
    //给icon绑定的点击事件
    setIcon(icon) {
      //将i的样式设为选中的样式el-icon-xxx
      this.userChooseIcon = icon;
      //将选中的图标传递给父组件
      this.$emit("selecticon",icon)
    },
  }
}
</script>

<style scoped lang="scss">
.iconList {
  width: 400px;
  height: 300px;
  overflow-y: scroll;
  overflow-x: hidden;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  i {
    display: inline-block;
    width: 60px;
    height: 45px;
    color: #000000;
    font-size: 20px;
    border: 1px solid #e6e6e6;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    line-height: 45px;
    margin: 5px;
    &:hover {
      color: orange;
      border-color:orange;
    }
  }
}

.chooseIcons{
  width: 175px;
  background-color: #FFFFFF;
  background-image: none;
  border-radius: 4px;
  border: 1px solid #DCDFE6;
  box-sizing: border-box;
  color: #606266;
  display: inline-block;
  font-size: inherit;
  height: 33px;
  line-height: 25px;
  outline: none;
  padding: 0 15px;
  transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
}
</style>

3.4 新增、编辑和删除权限菜单

<template>
  <el-main>
    <!-- 新增按钮 -->
    <el-button type="success" size="small" @click="openAddWindow()" icon="el-icon-plus">新增</el-button>

    <!-- 数据表格 -->
    <el-table style="margin-top: 10px" :height="tableHeight" :data="menuList" row-key="id"
      default-expand-all :tree-props="{ children: 'children' }" :border="true" stripe>
      <el-table-column prop="label" label="菜单名称"></el-table-column>
      <el-table-column prop="type" label="菜单类型" align="center">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.type == '0'" size="normal">目录</el-tag>
          <el-tag type="success" v-else-if="scope.row.type == '1'" size="normal">菜单</el-tag>
          <el-tag type="warning" v-else-if="scope.row.type == '2'" size="normal">按钮</el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="icon" label="图标" align="center">
        <template slot-scope="scope">
          <i :class="scope.row.icon" v-if="scope.row.icon.includes('el-icon')" ></i>
          <svg-icon v-else :icon-class="scope.row.icon"></svg-icon>
        </template>
      </el-table-column>
      <el-table-column prop="name" label="路由名称"></el-table-column>
      <el-table-column prop="path" label="路由地址"></el-table-column>
      <el-table-column prop="url" label="组件路径"></el-table-column>
      <el-table-column label="操作" align="center">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="small" @click="editMenu(scope.row)">编辑</el-button>
          <el-button type="danger" size="small" icon="el-icon-delete" @click="deleteMenu(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 新增或编辑弹框 -->
    <system-dialog
    :title="menuDialog.title"
    :width="menuDialog.width"
    :height="menuDialog.height"
    :visible="menuDialog.visible"
    @onClose="onClose"
    @onConfirm="onConfirm">
      <div slot="content">
        <el-form :model="menu" ref="menuForm" :rules="rules" label-width="80px" :inline="true" size="small">
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="type">
              <el-radio-group v-model="menu.type">
                <el-radio :label="0">目录</el-radio>
                <el-radio :label="1">菜单</el-radio>
                <el-radio :label="2">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-form-item label="所属菜单" size="small" prop="parentName">
            <el-input v-model="menu.parentName" :readonly="true" @click.native="selectParentMenu()" />
          </el-form-item>
          <el-form-item label="菜单名称" size="small" prop="label">
            <el-input v-model="menu.label"></el-input>
          </el-form-item>
          <el-form-item label="路由名称" size="small" prop="name" v-if="menu.type == 1">
            <el-input v-model="menu.name"></el-input>
          </el-form-item>
          <el-form-item label="路由地址" size="small" prop="path" v-if="menu.type != 2">
            <el-input v-model="menu.path"></el-input>
          </el-form-item>
          <el-form-item label="组件路径" size="small" prop="url" v-if="menu.type == 1">
            <el-input v-model="menu.url"></el-input>
          </el-form-item>
          <el-form-item label="权限字段" size="small" prop="code">
            <el-input v-model="menu.code"></el-input>
          </el-form-item>
          <el-form-item label="菜单图标" size="small" >
            <my-icon @selecticon="setIcon" ref="child"></my-icon>
          </el-form-item>
          <el-form-item label="菜单序号" size="small">
            <el-input v-model="menu.orderNum"></el-input>
          </el-form-item>
        </el-form>
      </div>
    </system-dialog>

    <!-- 选择所属菜单弹框 -->
    <system-dialog
    :title="parentDialog.title"
    :width="parentDialog.width"
    :height="parentDialog.height"
    :visible="parentDialog.visible"
    @onClose="onParentClose"
    @onConfirm="onParentConfirm">
      <div slot="content">
        <el-tree
          style="font-size: 14px"
          ref="parentTree"
          :data="parentMenuList"
          node-key="id"
          :props="defaultProps"
          empty-text="暂无数据"
          :show-checkbox="false"
          default-expand-all
          :highlight-current="true"
          :expand-on-click-node="false"
          @node-click="handleNodeClick">
            <div class="customer-tree-node" slot-scope="{ node, data }">
              <!-- 长度为0说明没有下级 -->
              <span v-if="data.children.length == 0">
                <i class="el-icon-document" style="color: #8c8c8c; font-size: 18px"/>
              </span>
              <span v-else @click.stop="changeIcon(data)">
                <svg-icon v-if="data.open" icon-class="add-s"/>
                <svg-icon v-else icon-class="sub-s"/>
              </span>
              <span style="margin-left: 3px">{{ node.label }}</span>
            </div>
        </el-tree>
      </div>
    </system-dialog>
  </el-main>
</template>

<script>
// 导入menu脚本文件
import menuApi from '@/api/menu'
//导入自定义图标组件
import MyIcon from '@/components/system/MyIcon.vue'
// 导入对话框组件
import SystemDialog from '@/components/system/SystemDialog.vue'

export default {
  name: 'menuList',
  //注册组件
  components:{ SystemDialog, MyIcon },
  data() {
    return {
      //新增或编辑弹框属性
      menuDialog: {
        title: "",
        width: 630,
        height: 270,
        visible: false,
      },
      //菜单属性
      menu: {
        id: "",
        type: "",
        parentId: "",
        parentName: "",
        label: "",
        icon: "",
        name: "",
        path: "",
        url: "",
        code: "",
        orderNum: "",
      },
      rules: {
        type: [{ required: true, trigger: "change", message: "请选择菜单类型" }],
        parentName: [{ required: true, trigger: "change", message: "请选择所属菜单"}],
        label: [{ required: true, trigger: "blur", message: "请输入菜单名称" }],
        name: [{ required: true, trigger: "blur", message: "请输入路由名称" }],
        path: [{ required: true, trigger: "blur", message: "请输入路由路径" }],
        url: [{ required: true, trigger: "blur", message: "请输入组件路径" }],
        code: [{ required: true, trigger: "blur", message: "请输入权限字段" }],
      },
      parentDialog: {
        title: '选择所属菜单',
        width: 280,
        height: 450,
        visible: false
      },
      //树属性定义
      defaultProps: {
        children: 'children',
        label: 'label'
      },
      menuList: [],       //菜单列表
      tableHeight: 0,     //表格高度
      parentMenuList: [], //所属菜单列表
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.tableHeight = window.innerHeight - 180
    })
  },
  //初始化时调用
  created(){
    //调用查询菜单列表的方法
    this.search()
  },
  mounted() {
    this.$nextTick(() => {
      this.tableHeight = window.innerHeight - 180
    })
  },
  methods:{
    /**
    * 选择所属菜单
    */
    async selectParentMenu() {
      //显示窗口
      this.parentDialog.visible = true;
      //发送查询请求
      let res = await menuApi.getParentMenuList();
      //判断是否成功
      if (res.success) {
        //赋值
        this.parentMenuList = res.data;
      }
    },
    /**
    * 查询菜单列表
    */
    async search() {
      //发送查询请求
      let res = await menuApi.getMenuList();
      //判断是否成功
      if(res.success){
        //赋值
        this.menuList = res.data;
      }
    },
    /**
    * 编辑菜单
    * @param row
    */
    editMenu(row){
      //把当前要编辑的数据复制到数据域,给表单回显
      this.$objCopy(row, this.menu);
      //设置弹框属性
      this.menuDialog.title = "编辑菜单";
      this.menuDialog.visible = true;
      this.$nextTick(() => {
        this.$refs["child"].userChooseIcon = row.icon;//菜单图标回显
      })
    },
    /**
    * 删除菜单
    * @param row
    */
    async deleteMenu(row){
      //判断是否存在子菜单
      let result = await menuApi.checkPermission({ id: row.id });
      //判断是否可以删除
      if (!result.success) {
        //提示不能删除
        this.$message.warning(result.message);
      } else {
        //确认是否删除
        let confirm =await this.$myconfirm("确定要删除该数据吗?");
        if (confirm) {
          //发送删除请求
          let res = await menuApi.deleteById({ id: row.id });
          //判断是否成功
          if (res.success) {
            //成功提示
            this.$message.success(res.message);
            //刷新
            this.search();
          } else {
            //失败提示
            this.$message.error(res.message);
          }
        }
      }
    },
    /**
     * 打开新增窗口
     */
    openAddWindow(){
      this.$resetForm("menuForm", this.menu) //清空表单数据
      this.menuDialog.title = "新增菜单"      //设置窗口标题
      this.menuDialog.visible = true         //显示窗口
      this.$nextTick(() => {
        this.$refs['child'].userChooseIcon = '' // 清空菜单图标 
      })
    },
    /**
    * 选择所属菜单取消事件
    */
    onParentClose() {
      this.parentDialog.visible = false //关闭窗口
    },
    /**
    * 选择所属菜单确认事件
    */
    onParentConfirm() {
      this.parentDialog.visible = false //关闭窗口
    },
    /**
    * 添加和修改菜单窗口关闭事件
    */
    onClose() {
      this.menuDialog.visible = false; //关闭窗口
    },
    /**
    * 添加和修改菜单窗口确认事件
    */
    onConfirm() {
      //表单验证
      this.$refs.menuForm.validate(async (valid) => {
        if (valid) {
          let res = null;
          //判断菜单ID是否为空
          if (this.menu.id === "") {
            //发送添加请求
            res = await menuApi.addMenu(this.menu);
          } else {
            //发送修改请求
            res = await menuApi.updateMenu(this.menu);
          }
          //判断是否成功
          if (res.success) {
            this.$message.success(res.message);
            //刷新
            //this.search();
            window.location.reload();
            //关闭窗口
            this.menuDialog.visible = false;
          } else {
            this.$message.error(res.message);
          }
          this.menuDialog.visible = false; //关闭窗口
        }
      });
    },
    /**
    * 所属菜单节点点击事件
    */
    handleNodeClick(data) {
      //所属父级菜单ID
      this.menu.parentId = data.id;
      //所属父级菜单名称
      this.menu.parentName = data.label;
    },
    /**
    * 切换图标
    * @param data
    */
    changeIcon(data) {
      data.open = !data.open
      this.$refs.parentTree.store.nodesMap[data.id].expanded = !data.open
    },
    //给icon绑定的点击事件
    setIcon(icon) {
      this.menu.icon = icon;
    },
  }
}
</script>
<style lang="scss" scoped>
</style>

文章来源:https://blog.csdn.net/shieryue_2016/article/details/135200860
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