ThreeLinkage.vue
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<template>
<j-editable-table
:columns="columns"
:dataSource="dataSource"
:rowNumber="true"
:actionButton="true"
:rowSelection="true"
:maxHeight="400"
@valueChange="handleValueChange"
/>
</template>
<script>
import {FormTypes} from '@/utils/JEditableTableUtil'
import JEditableTable from '@/components/jeecg/JEditableTable'
export default {
name: 'ThreeLinkage',
components: {JEditableTable},
data() {
return {
columns: [
{
title: '省/直辖市/自治区',
key: 's1',
type: FormTypes.select,
width: '240px',
options: [],
placeholder: '请选择${title}'
},
{
title: '市',
key: 's2',
type: FormTypes.select,
width: '240px',
options: [],
placeholder: '请选择${title}'
},
{
title: '县/区',
key: 's3',
type: FormTypes.select,
width: '240px',
options: [],
placeholder: '请选择${title}'
}
],
dataSource: [],
mockData: [
{label: '北京市', value: '110000', parent: null},
{label: '天津市', value: '120000', parent: null},
{label: '河北省', value: '130000', parent: null},
{label: '上海市', value: '310000', parent: null},
{label: '北京市', value: '110100', parent: '110000'},
{label: '天津市市', value: '120100', parent: '120000'},
{label: '石家庄市', value: '130100', parent: '130000'},
{label: '唐山市', value: '130200', parent: '130000'},
{label: '秦皇岛市', value: '130300', parent: '130000'},
{label: '上海市', value: '310100', parent: '310000'},
{label: '东城区', value: '110101', parent: '110100'},
{label: '西城区', value: '110102', parent: '110100'},
{label: '朝阳区', value: '110105', parent: '110100'},
{label: '和平区', value: '120101', parent: '120000'},
{label: '河东区', value: '120102', parent: '120000'},
{label: '河西区', value: '120103', parent: '120000'},
{label: '黄浦区', value: '310101', parent: '310100'},
{label: '徐汇区', value: '310104', parent: '310100'},
{label: '长宁区', value: '310105', parent: '310100'},
{label: '长安区', value: '130102', parent: '130100'},
{label: '桥西区', value: '130104', parent: '130100'},
{label: '新华区', value: '130105', parent: '130100'},
{label: '路南区', value: '130202', parent: '130200'},
{label: '路北区', value: '130203', parent: '130200'},
{label: '古冶区', value: '130204', parent: '130200'},
{label: '海港区', value: '130302', parent: '130300'},
{label: '山海关区', value: '130303', parent: '130300'},
{label: '北戴河区', value: '130304', parent: '130300'},
]
}
},
mounted() {
// 初始化数据
this.columns[0].options = this.request(null)
},
methods: {
request(parentId) {
return this.mockData.filter(i => i.parent === parentId)
},
/** 当选项被改变时，联动其他组件 */
handleValueChange(event) {
const {type, row, column, value, target} = event
if (type === FormTypes.select) {
// 第一列
if (column.key === 's1') {
// 设置第二列的 options
this.columns[1].options = this.request(value)
// 清空后两列的数据
target.setValues([{
rowKey: row.id,
values: {s2: '', s3: ''}
}])
this.columns[2].options = []
} else
// 第二列
if (column.key === 's2') {
this.columns[2].options = this.request(value)
target.setValues([{
rowKey: row.id,
values: {s3: ''}
}])
}
}
}
}
}
</script>
<style scoped>
</style>