关于使用vue elementui分组下拉框动态配置其数据源失效的问题?
以下是我的下拉框代码:
<el-select id="sel" v-model="sizes" placeholder="请选择">
<el-option-group v-for="group in sizes" :key="group.cofigname" :label="group.cofigname">
<el-option v-for="item in group.sku" :key="item.cofigname" :label="item.cofigname" :value="item.id">
</el-option>
</el-option-group>
</el-select>
数据源的生成代码:
beforeCreate() {
$.getJSON("json/test1.json", function (data) {
var s = data.data.size;
var outdata = Array();
//格式化
for (let i = 0; i < s.length; i++) {
// let obj = [];
let obj = Array();
for(let j=0;j<s[i].sku.length;j++){
let child = {
label:s[i].sku[j].cofigname,
value:s[i].sku[j].cofigname
}
obj.push(child);
}
let parent = {
label:s[i].cofigname,
options:obj
}
outdata.push(parent);
}
this.sizes = outdata;
console.log("sada",outdata);
})
},
上文中sada控制台打印的outdata:
[
{
"label": "长度",
"options": [
{
"label": "1m",
"value": "1m"
},
{
"label": "2m",
"value": "2m"
},
{
"label": "3m",
"value": "3m"
}
]
},
{
"label": "颜色",
"options": [
{
"label": "红",
"value": "红"
},
{
"label": "黄",
"value": "黄"
},
{
"label": "蓝",
"value": "蓝"
},
{
"label": "绿",
"value": "绿"
},
{
"label": "紫",
"value": "紫"
}
]
}
]
elementui文档中写的数据源格式:
[{
label: '热门城市',
options: [{
value: 'Shanghai',
label: '上海'
}, {
value: 'Beijing',
label: '北京'
}]
}, {
label: '城市名',
options: [{
value: 'Chengdu',
label: '成都'
}, {
value: 'Shenzhen',
label: '深圳'
}, {
value: 'Guangzhou',
label: '广州'
}, {
value: 'Dalian',
label: '大连'
}]
}]
运行之后的效果:
请问为何不能将数据渲染到下拉框之中?