108 lines
3.1 KiB
Markdown
108 lines
3.1 KiB
Markdown
<cn>
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#### 筛选和排序
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对某一列数据进行筛选，使用列的 `filters` 属性来指定需要筛选菜单的列，`onFilter` 用于筛选当前数据，`filterMultiple` 用于指定多选和单选。
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对某一列数据进行排序，通过指定列的 `sorter` 函数即可启动排序按钮。`sorter: function(rowA, rowB) { ... }`， rowA、rowB 为比较的两个行数据。
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`sortDirections: ['ascend' | 'descend']`改变每列可用的排序方式，切换排序时按数组内容依次切换，设置在table props上时对所有列生效。
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使用 `defaultSortOrder` 属性，设置列的默认排序顺序。
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</cn>
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<us>
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#### Filter and sorter
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Use `filters` to generate filter menu in columns, `onFilter` to determine filtered result, and `filterMultiple` to indicate whether it's multiple or single selection.
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Use `sorter` to make a column sortable. `sorter` can be a function of the type `function(a, b) { ... }` for sorting data locally.
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`sortDirections: ['ascend' | 'descend']` defines available sort methods for each columns, effective for all columns when set on table props.
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Uses `defaultSortOrder` to make a column sorted by default.
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If a `sortOrder` or `defaultSortOrder` is specified with the value `ascend` or `descend`, you can access this value from within the function passed to the `sorter` as explained above. Such a function can take the form: `function(a, b, sortOrder) { ... }`.
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</us>
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```html
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<template>
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<a-table :columns="columns" :dataSource="data" @change="onChange"/>
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</template>
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<script>
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const columns = [{
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title: 'Name',
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dataIndex: 'name',
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filters: [{
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text: 'Joe',
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value: 'Joe',
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}, {
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text: 'Jim',
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value: 'Jim',
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}, {
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text: 'Submenu',
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value: 'Submenu',
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children: [{
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text: 'Green',
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value: 'Green',
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}, {
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text: 'Black',
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value: 'Black',
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}],
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}],
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// specify the condition of filtering result
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// here is that finding the name started with `value`
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onFilter: (value, record) => record.name.indexOf(value) === 0,
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sorter: (a, b) => a.name.length - b.name.length,
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sortDirections: ['descend'],
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}, {
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title: 'Age',
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dataIndex: 'age',
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sorter: (a, b) => a.age - b.age,
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}, {
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title: 'Address',
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dataIndex: 'address',
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filters: [{
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text: 'London',
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value: 'London',
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}, {
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text: 'New York',
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value: 'New York',
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}],
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filterMultiple: false,
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onFilter: (value, record) => record.address.indexOf(value) === 0,
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sorter: (a, b) => a.address.length - b.address.length,
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sortDirections: ['descend', 'ascend'],
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}];
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const data = [{
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key: '1',
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name: 'John Brown',
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age: 32,
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address: 'New York No. 1 Lake Park',
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}, {
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key: '2',
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name: 'Jim Green',
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age: 42,
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address: 'London No. 1 Lake Park',
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}, {
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key: '3',
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name: 'Joe Black',
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age: 32,
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address: 'Sidney No. 1 Lake Park',
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}, {
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key: '4',
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name: 'Jim Red',
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age: 32,
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address: 'London No. 2 Lake Park',
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}];
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function onChange(pagination, filters, sorter) {
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console.log('params', pagination, filters, sorter);
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}
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export default {
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data() {
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return {
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data,
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columns,
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}
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},
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methods: {
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onChange,
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}
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}
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</script>
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```
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