vue2+antd 使用select 通过v-model 无法回显也不能修改?
<template> <a-table size="middle" :data-source="dataList" :pagination="false" :locale="{ emptyText: '暂无数据' }" :scroll="{ x: 'max-content' }">
<a-table-column title="汇率" align="center">
<template #default="{record}">
<a-select v-model="selectedValue" style="width:150px" @change="handleChange">
<a-select-option v-for="option in options" :key="option.value" :value="option.value">
{{ option.label }}
</a-select-option>
</a-select>
<button @click="()=>{ this.selectedValue = '3' }">33</button>
</template>
</a-table-column>
</a-table>
</template>
<script>
export default {
name: "executionInfo",
data() {
return {
dataList: [
{
index: "1",
name: "John Brown",
age: 32,
address: "New York No. 1 Lake Park"
}
],
options: [
{ value: "1", label: "选项1" },
{ value: "2", label: "选项2" },
{ value: "3", label: "选项3" }
],
selectedValue: '3',
};
},
methods: {
handleChange(value) {
this.selectedValue = value;
}
},
mounted() {
// this.handleChange(this.selectedValue);
this.selectedValue = '3'
}
};
</script>
<style lang="less" scoped></style>
回答:
<template> <a-table size="middle" :data-source="dataList" :pagination="false" :locale="{ emptyText: '暂无数据' }" :scroll="{ x: 'max-content' }">
<a-table-column title="汇率" align="center">
<template #default="{record, index}">
<a-select :value="record.selectedValue" style="width:150px" @change="value => handleChange(value, record)">
<a-select-option v-for="option in options" :key="option.value" :value="option.value">
{{ option.label }}
</a-select-option>
</a-select>
<button @click="setSelectedValueTo3(record)">Set to 3</button>
</template>
</a-table-column>
</a-table>
</template>
<script>
export default {
name: "executionInfo",
data() {
return {
dataList: [
{
index: "1",
name: "John Brown",
age: 32,
address: "New York No. 1 Lake Park",
selectedValue: '1' // 初始值
}
],
options: [
{ value: "1", label: "选项1" },
{ value: "2", label: "选项2" },
{ value: "3", label: "选项3" }
],
};
},
methods: {
handleChange(value, record) {
record.selectedValue = value;
},
setSelectedValueTo3(record) {
record.selectedValue = '3';
}
}
};
</script>
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