vue+elementui implements the complete code of adding and modifying a shared bullet box

<template>
  <div>
    <!-- Breadcrumb navigation -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/Welcome' }">Home</el-breadcrumb-item>
      <el-breadcrumb-item>Permission Management</el-breadcrumb-item>
      <el-breadcrumb-item>List of roles</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- Cards -->
    <el-card class="box-card">
      <!-- Add button-->
      <el-row :gutter="20">
        <el-col :span="6">
          <div class="grid-content bg-purple"></div>
          <el-button type="primary" @click="onhandAdd">Add role</el-button>
        </el-col>
      </el-row>
      <!-- Table -->
      <el-table :data="tableData" border="" style="width: 100%">
        <el-table-column type="expand">
          <template slot-scope="scope">
            <el-row
              :class="['bdbottom',i1 === 0? 'bdtop' : '', 'vcenter'] "
              :gutter="20"
              :span="6"
              v-for="(item_ong,i1) in scope.row.children"
              :key="item_ong.id"
            >
              <!-- Level 1 -->
              <el-col :span="5">
                <el-tag>{{item_ong.authName}}</el-tag>
                <i class="el-icon-caret-right"></i>
              </el-col>
              <!-- Secondary and tertiary levels -->
              <el-col :span="19">
                <!-- Second level permissions-->
                <el-row v-for="(item_two,i2) in item_ong.children" :key="i2">
                  <el-col :span="6">
                    <el-tag type="success">{{item_two.authName}}</el-tag>
                    <i class="el-icon-caret-right"></i>
                  </el-col>
                  <el-col :span="18">
                    <el-tag
                      type="warning"
                      v-for="(item_three,i3) in item_two.children"
                      :key="i3"
                    >{{item_three.authName}}</el-tag>
                    <i class="el-icon-caret-right"></i>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-table-column>
        <el-table-column label="#" type="index" width="80"></el-table-column>
        <el-table-column label="Role Name" prop="roleName"></el-table-column>
        <el-table-column label="Role Description" prop="roleDesc"></el-table-column>
        <el-table-column label="operation" prop="id">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="small"
              @click="handleEdit(scope.$index, scope.row)"
            >Edit</el-button>
            <el-button type="warning" icon="el-icon-delete" size="small">Delete</el-button>
            <el-button type="danger" icon="el-icon-edit" size="small">Permissions</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!-- Added edit pop-up box-->
    <el-dialog
      :title="addtitle"
      :visible.sync="dialogVisible"
      width="40%"
      :before-close="handleClose"
    >
      <el-form
        :model="ruleForm"
        :rules="rules"
        ref="refRuleForm"
        label-width="100px"
        class="demo-ruleForm"
      >
        <el-form-item label="Role Name" prop="roleName">
          <el-input v-model="ruleForm.roleName"></el-input>
        </el-form-item>
        <el-form-item label="Role Description" prop="roleDesc">
          <el-input v-model="ruleForm.roleDesc"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">Cancel</el-button>
        <el-button type="primary" @click="dialogVisibleConfirm">Confirm</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      tableData: [],
      dialogVisible: false,
      addtitle: "Add role",
      ruleForm: {
        roleName: "",
        roleDesc: ""
      },
      allid: "",
      // Validation rules: {
        roleName: [
          { required: true, message: "Please enter a character name", trigger: "blur" },
          { min: 3, max: 5, message: "Length is between 3 and 5 characters", trigger: "blur" }
        ],
        roleDesc: [{ required: true, message: "Role description", trigger: "blur" }]
      }
    };
  },
  created() {
    this.tabList();
  },
  methods: {
    // Table interface list tabList() {
      this.$api.jurisdiction.rolelist().then(res => {
        console.log(res.data.data, "]]]]]]]]");
        this.tableData = res.data.data;
      });
    },
    // Add onhandAdd() {
      this.dialogVisible = true;
    },
    handleClose(done) {
      this.dialogVisible = false;
    },
    // Edit handleEdit(index, row) {
      console.log(index, row.id);
      this.dialogVisible = true; //Show the pop-up box this.ruleForm = row; //row current row data, assign the current row data to the form this.allid = row.id; //Store the id globally},
    // Confirm dialogVisibleConfirm() {
      // New interface if (!this.allid) {
        this.$api.jurisdiction.addrole(this.ruleForm)
          .then(res => {
            // console.log(res,"new")
            this.$message.success("Added successfully"); //Added successful message prompt this.$refs.refRuleForm.resetFields(); //Clear table data this.dialogVisible = false; //Close the pop-up box this.tabList(); //Refresh the list })
          .catch(res => {
            this.$message.error("Add failed");
          });
      } else {
        // Modify the interface let id = this.allid
        let params = {
          roleName:this.ruleForm.roleName,
          roleDesc:this.ruleForm.roleDesc,
        }
        this.$api.jurisdiction.edtrole(id,params)
          .then(res => {
            console.log(res,"modify")
            this.$message.success("Modification successful");
            this.$refs.refRuleForm.resetFields();
            this.dialogVisible = false;
            this.tabList();
          })
          .catch(res => {
            this.$message.error("Modification failed");
          });
      }
    }
  }
};
</script>

<style scoped>
.bdtop {
  border-top: 1px solid #eee;
  padding-top: 10px;
}
.bdbottom {
  border-bottom: 1px solid #eee;
  padding-bottom: 10px;
  padding-top: 10px;
}
.el-tag {
  margin: 10px 0px;
}
.vcenter {
  display: flex;
  align-items: center;
}
</style>