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webView goBack实现存在错误

  1. 我们需要使用webView的canGoBack方法,但是却发现weex并没有提供这个方法的导出

  2. 然后我发现weex的源码是在- (void)webViewDidFinishLoad:(UIWebView *)webView;方法中发送了fireEvent给js端

  3. 但是ajax异步刷新页面的情况下,并不会触发Native端的- (void)webViewDidFinishLoad:(UIWebView *)webView;方法,所以导致我们js端使用的还是之前的canGoBack值


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