优化url后参数

components/DataView/index.js

@@ -276,7 +276,11 @@ export default class DataView extends React.Component {
                 onChange: (nextPage) => {
                     this.fetchPage(nextPage);
                     this.fetch();
-                    window.history.replaceState({ pageNum: nextPage }, '', `?pageNum=${nextPage}`);
+                    window.history.replaceState(
+                        { pageNum: nextPage },
+                        '',
+                        `${window.location.search && window.location.search.indexOf('?pageNum') < 0 ? `${window.location.search}&` : '?'}pageNum=${nextPage}`,
+                    );
                 },
                 onShowSizeChange: this.fetchPageSize,
                 showQuickJumper: true,
@@ -423,7 +427,7 @@ export default class DataView extends React.Component {
         message.success('操作成功');
     }
 
-    fetch() {
+    fetch = () => {
         const { beforeFetch, fetch, afterFetch } = this.props;
         let onBeforeFetch = beforeFetch;
         if (typeof onBeforeFetch !== 'function') {