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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                [生命周期](https://juejin.im/post/5a062fb551882535cd4a4ce3) ![](http://www.chengbenchao.top/react/images/%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F.png) ~~~ 1.render //當state,props的狀態更新時,就會觸發 ~~~ ~~~ 2.ajax請求放在componentDidMount()中 ~~~ # [react的生命周期](https://www.cnblogs.com/yangzhou33/p/8799278.html) componentDidUpdate方法: ~~~ 只要頁面的state或者model中的state中定義的變量值發生改變,這個方法就會執行, 父組件傳遞過來的值發生變化時也會執行 ~~~ ~~~ public componentDidUpdate(value) { const { form, childComp } = this.props; if (value.childComp !== childComp) { this.setState({ isComp: childComp }); form.resetFields(); } } ~~~ # history.replaceState方法一次應用 解決單頁面應用刷新切換頁面問題, [文檔鏈接](https://blog.51cto.com/13496570/2416791) ~~~ const newQsParams = { ...qs.parse(location.search.replace('?', '')), search: Object.keys(searchData) .map(item => `${item},${searchData[item]}`) .join('|'), }; history.replaceState( null, '', `${location.pathname}?${qs.stringify(newQsParams)}` ); ~~~
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