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# 外界触发表格刷新
- order: 8
查询页面大量使用表格,当删除某条目后需要刷新。可直接传入DataSource实例,然后调用其fetch方法刷新表格。
**注意,请打开console调试fetch方法**
---
````jsx
var Table = antd.Table;
var DataSource = Table.DataSource;
var columns = [{
title: '姓名',
dataIndex: 'name',
filters: [{
text: '姓李的',
value: '李'
}, {
text: '姓胡的',
value: '胡'
}]
}, {
title: '年龄',
dataIndex: 'age',
sorter: true
}, {
title: '住址',
dataIndex: 'address'
}];
function resolve(result) {
return result.data;
}
var dataSource = new DataSource({
url: "/components/table/demo/data.json",
resolve: function(result) {
return result.data;
},
// 和后台接口返回的分页数据进行适配
getPagination: function(result) {
return {
total: result.totalCount,
pageSize: result.pageSize
}
},
// 和后台接口接收的参数进行适配
// 参数里提供了分页、筛选、排序的信息
getParams: function(pagination, filters, sorter) {
console.log('getParams 的参数是:', pagination, filters, sorter);
var params = {
pageSize: pagination.pageSize,
currentPage: pagination.current,
sortField: sorter.field,
sortOrder: sorter.order
};
for (let key in filters) {
params[key] = filters[key];
}
console.log('请求参数:', params);
return params;
}
});
// 可供外部调用fetch接口刷新表格
dataSource.fetch();
// 请打开console调试fetch方法
window.dataSource = dataSource;
React.render(<Table columns={columns} dataSource={dataSource} />
, document.getElementById('components-table-demo-advance-ajax'));
````