iOS判斷UIWebView加載完成的方法

　UIWebview不一樣於WkWebview沒有加載進度屬性來判斷加載是否完成了

它有個回調方法

 

- (void)webViewDidFinishLoad:(UIWebView *)webView;

這個方法的蘋果官方文檔關於它的說明也是含糊的

 

- (void)webViewDidFinishLoad:(UIWebView *)webView
Description	Sent after a web view finishes loading a frame.
Parameters	webView The web view has finished loading.
Availability	iOS (2.0 and later)
Declared In	UIWebView.h
Reference	UIWebViewDelegate Protocol Reference

經過測試，發現finishLoad方法走了，並不是加載完了。

 

結合js方法或許是更加完美的，參考這兩篇文章

http://www.w3school.com.cn/ajax/ajax_xmlhttprequest_onreadystatechange.asp

http://www.java2s.com/Book/JavaScript/DOM/document_readyState.htm

 

 NSString *readyState = [webView stringByEvaluatingJavaScriptFromString:@"document.readyState"];
      BOOL complete = [readyState isEqualToString:@"complete"];
    if (complete) {
        [self completeProgress];
    }