<el-table-column sortable label="操作">
      <template slot-scope="scope">
       <el-button type="primary" @click="getMembers(scope.row.id)">成员</el-button>
       <el-buttontype="primary" @click="delRole(scope.row.id, scope.$index)">删除</el-button>
      </template>
     </el-table-column>
  //scope.$index 获取当前行的index

openAddStaff() {
 this.getAllStaff();
},
// 确定新增
addStaff() {
 if (!this.user) {
  this.$message.error("请选择用户！");
  return;
 }
 this.$post(
  "/api/RoleMemberController/add",
  { userId: this.user.split("/")[0], roleId: this.roleId },
  data => {
   console.log(data,111)
   this.$message.success("添加成功！");
   this.dialogAddStaffVisible = false;
   let item = {
    id: data.rm.id,
    userId: data.rm.userId,
    userCname: this.user.split("/")[1]
   };
   this.staffList.push(item);//从数组中添加当前行
  }
 );
},

delStaff(id, index) {
 this._confirm("确定删除吗", () => {
  this.$post("/api/RoleMemberController/delOne", { id: id }, data => {
   this.$message.success("删除成功！");
   this.staffList.splice(index, 1);//从数组中删除当前行
  });
 });
},