vue中實現可編輯table及其中加入下拉選項

<template>
    <div>
    
        <el-table :data="tabledatas" border>
            <el-table-column label="姓名">
                <template slot-scope="scope">
                    <el-input placeholder="請輸入內容" v-show="scope.row.show" v-model="scope.row.name"></el-input>
                    <span v-show="!scope.row.show">{{scope.row.name}}</span>
                </template>
            </el-table-column>
            
            <el-table-column label="年齡">
                <template slot-scope="scope">
                    <el-input placeholder="請輸入內容" v-show="scope.row.show" v-model="scope.row.age"></el-input>
                    <span v-show="!scope.row.show">{{scope.row.age}}</span>
                </template>
            </el-table-column>
            <el-table-column label="地址">
                <template slot-scope="scope">
                    <el-input placeholder="請輸入內容" v-show="scope.row.show" v-model="scope.row.address"></el-input>
                    <span v-show="!scope.row.show">{{scope.row.address}}</span>
                </template>
            </el-table-column>
            <el-table-column label="學籍">
              <template slot-scope="scope">
                <span v-show="!scope.row.show">{{scope.row.stu}}</span>
              <el-select v-model="scope.row.stu" placeholder="請選擇" v-show="scope.row.show" >
              
                <el-option
                  v-for="item in options"
                  :key="item.stu"
                  :label="item.stu"
                  :value="item.stu">
                </el-option>
              </el-select>
              </template>
            </el-table-column>
            <el-table-column label="操作">
                <template slot-scope="scope">
                    <el-button @click="scope.row.show =true" >編輯</el-button>
                    <el-button @click="scope.row.show =false">儲存</el-button>
                </template>
            </el-table-column>
        </el-table>
      </div> 
</template>

<script>
	export default {
		data(){
    	return {
    	options: [{
          	value: '選項1',
          	stu: '初中'
        	}, {
          	value: '選項2',
          	stu: '高中'
        	}, {
	          value: '選項3',
	          stu: '大專'
	        }, {
	          value: '選項4',
	          stu: '本科'
	        }, {
	          value: '選項5',
	          stu: '博士'
	        }],
	        value: '',
	      tabledatas: [
	                    { name: '李一', age: '19',address:"寧波",stu:"本科",show:false},
	                    { name: '郭明', age: '23',address:"四川",stu:"本科",show:false},
	                    { name: '天天', age: '12',address:"海南",stu:"初中",show:false},
	                    { name: '隆', age: '40',address:"上海",stu:"博士",show:false},
	                ],
	    }
	}
</script>

<template slot="header" slot-scope="scope">
  <el-dropdown trigger="click" @command = "handleCommand">
    <span>型別</span>
    <el-dropdown-menu slot="dropdown">
      <el-radio-group v-model="sx">//這裡，會出現一個bug，下文有解決辦法
        <el-dropdown-item command="屬性0"><el-radio label="0">屬性0</el-radio> </el-dropdown-item>
        <el-dropdown-item command="屬性1"><el-radio label="1">屬性1</el-radio> </el-dropdown-item>
        <el-dropdown-item command="屬性2"><el-radio label="2">屬性2</el-radio> </el-dropdown-item>
        <el-dropdown-item command="屬性3"><el-radio label="3">屬性3</el-radio> </el-dropdown-item>
        <el-dropdown-item command="屬性4"><el-radio label="4">屬性4</el-radio> </el-dropdown-item>
        <el-dropdown-item command="屬性5"><el-radio label="5">屬性5</el-radio> </el-dropdown-item>
        <el-dropdown-item command="屬性6"><el-radio label="6">屬性6</el-radio> </el-dropdown-item>
      </el-radio-group>
    </el-dropdown-menu>
  </el-dropdown>
</template>
<template slot-scope="scope">（表中元素）</template>

handleCommand(command) {
  if(command == '屬性0' ){
    this.sx= '0'
  } else if (command === '屬性1') {
    this.sx = '1'
  } else if( command === '屬性2') {
    this.sx = '2'
  } else if (command === '屬性3') {
    this.sx = '3'
  } else if (command === '屬性4') {
    this.sx = '4'
  } else if( command === '屬性5') {
    this.sx = '5'
  } else if (command === '屬性6') {
    this.sx = '6'
  }
  this.重新整理方法;
},

<template slot="header" slot-scope="scope">
  <el-dropdown trigger="click" @command = "handleCommand">
    <span>型別</span>
    <el-dropdown-menu slot="dropdown">
      <el-dropdown-item command="屬性0">屬性0</el-dropdown-item>
      <el-dropdown-item command="屬性1">屬性1</el-dropdown-item>
      <el-dropdown-item command="屬性2">屬性2</el-dropdown-item>
      <el-dropdown-item command="屬性3">屬性3</el-dropdown-item>
      <el-dropdown-item command="屬性4">屬性4</el-dropdown-item>
      <el-dropdown-item command="屬性5">屬性5</el-dropdown-item>
      <el-dropdown-item command="屬性6">屬性6</el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>
</template>
<template slot-scope="scope">（表中元素）</template>