上周已更新完用户信息列表以及登录性能，明天抽空将角色信息列表以及角色调配做完了。和小伙伴们分享一下劳动成果，后续会持续更新商品治理的信息~
先展现一下效果图
这是一个角色列表信息，性能包含新增角色、编辑角色、调配角色
点击最左侧开展按钮能够看到角色上面的权限，能够对权限进行删除以及调配权限性能
这里是调配权限的页面，通过element-ui 外面的tree进行数据绑定显示
好啦，性能已实现，最初献上的代码片段~
<template> <div> <!-- 面包屑导航区域--> <el-breadcrumb separator-class="el-icon-arrow-right"> <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item> <el-breadcrumb-item>权限治理</el-breadcrumb-item> <el-breadcrumb-item>角色列表</el-breadcrumb-item> </el-breadcrumb> <!-- 卡片视图 --> <el-card> <!-- 增加角色按钮区域 --> <el-row> <el-col> <el-button type="primary" @click="addDialogVisible = true" >增加角色</el-button > </el-col> </el-row> <!-- 角色列表区域 --> <el-table :data="roleList" border stripe> <!-- 开展列 --> <el-table-column type="expand"> <template slot-scope="scope"> <el-row v-for="(item1, i1) in scope.row.children" :key="item1.id" :class="['bdbottom', i1 === 0 ? 'bdtop' : '', 'vcenter']" > <!-- 渲染一级权限 --> <el-col :span="5"> <el-tag closable @close="removeRoleById(scope.row, item1.id)">{{ item1.authName }}</el-tag> <i class="el-icon-caret-right"></i> </el-col> <!-- 渲染二级和三级权限 --> <el-col :span="19"> <!-- 通过for循环嵌套渲染二级权限 --> <el-row :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']" v-for="(item2, i2) in item1.children" :key="item2.id" > <el-col :span="6"> <el-tag type="success" closable @close="removeRoleById(scope.row, item2.id)" >{{ item2.authName }}</el-tag > <i class="el-icon-caret-right"></i> </el-col> <!-- 渲染三级权限 --> <el-col :span="18"> <el-tag closable @close="removeRoleById(scope.row, item3.id)" type="warning" v-for="(item3, i3) in item2.children" :key="item3.id" > {{ item3.authName }} </el-tag> </el-col> </el-row> </el-col> </el-row> </template> </el-table-column> <!-- 索引列 --> <el-table-column type="index"></el-table-column> <el-table-column label="角色名称" prop="roleName"></el-table-column> <el-table-column label="角色形容" prop="roleDesc"></el-table-column> <el-table-column label="操作" width="300px"> <template slot-scope="scope"> <el-button size="mini" type="primary" icon="el-icon-edit" @click="editRoleForm(scope.row.id)" >编辑</el-button > <el-button size="mini" type="danger" icon="el-icon-delete" >删除</el-button > <el-button size="mini" type="warning" icon="el-icon-setting" @click="showSetRightDialog(scope.row)" >调配权限</el-button > </template> </el-table-column> </el-table> </el-card> <!--增加用户的对话框--> <el-dialog title="增加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed" > <!--主体区域--> <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="80px" > <el-form-item label="角色id" prop="roleId"> <el-input v-model="addForm.roleId"></el-input> </el-form-item> <el-form-item label="角色名称" prop="roleName"> <el-input v-model="addForm.roleName"></el-input> </el-form-item> <el-form-item label="角色形容" prop="roleDesc"> <el-input v-model="addForm.roleDesc"></el-input> </el-form-item> </el-form> <!--底部区域--> <span slot="footer" class="dialog-footer"> <el-button @click="addDialogVisible = false">取 消</el-button> <el-button type="primary" @click="addRole">确 定</el-button> </span> </el-dialog> <!-- 编辑用户对话框 --> <el-dialog title="编辑用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed" > <!-- 主题区域 --> <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="80px" > <el-form-item label="角色id" prop="roleId"> <el-input v-model="editForm.roleId"></el-input> </el-form-item> <el-form-item label="角色名称" prop="roleName"> <el-input v-model="editForm.roleName"></el-input> </el-form-item> <el-form-item label="角色形容" prop="roleDesc"> <el-input v-model="editForm.roleDesc"></el-input> </el-form-item> </el-form> <!-- 底部区域 --> <span slot="footer" class="dialog-footer"> <el-button @click="editDialogVisible = false">取 消</el-button> <el-button type="primary" @click="editRole">确 定</el-button> </span> </el-dialog> <!-- 调配权限对话框 --> <el-dialog title="调配权限" :visible.sync="setRightDialogVisible" width="50%" @close="setRightDialogClosed" > <!-- 树形控件 --> <el-tree :data="rightsList" :props="treeProps" show-checkbox node-key="id" :default-expand-all="true" :default-checked-keys="defKeys" ref="treeRef" ></el-tree> <span slot="footer" class="dialog-footer"> <el-button @click="setRightDialogVisible = false">取 消</el-button> <el-button type="primary" @click="allotRights" >确 定</el-button > </span> </el-dialog> </div></template><script>export default { data() { return { // 所有角色的列表数据 roleList: [], // 增加角色数据区域 addForm: { roleId: '', roleName: '', roleDesc: '' }, addDialogVisible: false, addFormRules: { roleId: [{ required: true, message: '请输出角色id', trigger: 'blur' }], roleName: [ { required: true, message: '请输出角色名称', trigger: 'blur' } ] }, // 批改角色数据区域 editForm: {}, editDialogVisible: false, editFormRules: { roleId: [{ required: true, message: '请输出角色id', trigger: 'blur' }], roleName: [ { required: true, message: '请输出角色名称', trigger: 'blur' } ] }, // 管制调配权限对话框的显示和暗藏 setRightDialogVisible: false, // 所有权限数据 rightsList: [], // 树形控件的属性绑定对象 treeProps: { label: 'authName', children: 'children' }, // 默认选中数组的ID值 defKeys: [], // 以后行将调配权限的角色id roleId:'' } }, created() { this.getRolesList() }, methods: { async getRolesList() { const { data: res } = await this.$http.get('roles') if (res.meta.status !== 200) { return this.$message.error('获取角色列表失败') } this.roleList = res.data this.$message.success('获取角色列表胜利') }, // 监听增加角色敞开事件 addDialogClosed() { // 重置表单 this.$refs.addFormRef.resetFields() }, // 增加角色 addRole() { this.$refs.addFormRef.validate(async valid => { if (!valid) return const { data: res } = await this.$http.post('roles', this.addForm) if (res.meta.status !== 201) return this.$message.error('增加权限失败') // 增加胜利 this.$message.success(res.meta.msg) // 暗藏弹出框 this.addDialogVisible = false // 刷新用户列表 this.getRolesList() }) }, // 监听批改角色敞开事件 editDialogClosed() { // 重置表单 this.$refs.editFormRef.resetFields() }, // 依据ID获取编辑内容 async editRoleForm(id) { const { data: res } = await this.$http.get('roles/' + id) if (res.meta.status !== 200) { return this.$message.error('获取角色信息失败') } console.log(res.data) // 获取胜利 this.$message.success('获取角色信息胜利') // 获取的信息在页面显示 this.editForm = res.data // 显示弹框 this.editDialogVisible = true }, // 批改角色提交 editRole() { this.$refs.editFormRef.validate(async valid => { if (!valid) return // 校验胜利，提交表单 const { data: res } = await this.$http.put( 'roles/' + parseInt(this.editForm.id), { roleId: parseInt(this.editForm.roleId), roleName: this.editForm.roleName, roleDesc: this.editForm.roleDesc } ) if (res.meta.status !== 200) return this.$message.error(res.meta.msg) this.$message.success('批改胜利') // 敞开弹框 this.editDialogVisible = false // 刷新列表 this.getRolesList() }) }, // 依据ID删除对应的权限 async removeRoleById(role, rightId) { // 弹框提醒用户是否删除 const confirmResult = await this.$confirm( '此操作将永恒删除该文件, 是否持续?', '提醒', { confirmButtonText: '确定', cancelButtonText: '勾销', type: 'warning' } ).catch(error => error) if (confirmResult !== 'confirm') { return this.$message.info('勾销了删除') } // 发动删除申请 const { data: res } = await this.$http.delete( `roles/${role.id}/rights/${rightId}` ) if (res.meta.status !== 200) { this.$message.error(res.meta.msg) } // 删除胜利，刷新列表 // this.getRolesList() // 从新赋值权限即可，无需整个列表刷新 role.children = res.data }, // 展现调配权限的对话框 async showSetRightDialog(role) { this.roleId = role.id // 获取所有权限数据 const { data: res } = await this.$http.get('rights/tree') if (res.meta.status !== 200) { this.$message.error(res.meta.msg) } // 获取胜利 this.rightsList = res.data // 递归获取三级节点的id this.getLeafKeys(role, this.defKeys) this.setRightDialogVisible = true }, // 通过递归的模式，获取角色下所有的三级权限的id, // 并保留到defKeys中 getLeafKeys(node, arr) { // 如果以后node 节点不蕴含children 则是三级节点 if (!node.children) { return arr.push(node.id) } // 递归 node.children.forEach(item => this.getLeafKeys(item, arr)) }, // 监听对话框敞开事件 setRightDialogClosed() { // 清空数组 this.defKeys = [] }, // 点击为权限调配权限 async allotRights() { const keys = [ // 获取开展的id ...this.$refs.treeRef.getCheckedKeys(), // 获取半开展的id ...this.$refs.treeRef.getHalfCheckedKeys() ] const idStr = keys.join(',') const {data : res} = await this.$http.post(`roles/${this.roleId}/rights`,{rids:idStr}) if (res.meta.status !== 200) { return this.$message.error('调配权限失败') } // 调配胜利 this.$message.success('调配权限胜利') // 刷新列表 this.getRolesList() // 暗藏dialog this.setRightDialogVisible = false } }}</script><style lang="less" scoped>.el-tag { margin: 7px;}.bdtop { border-top: 1px solid #eee;}.bdbottom { border-bottom: 1px solid #eee;}.vcenter { display: flex; align-items: center;}</style>