在UIWebview（iOS）中检测返回按钮

问题描述：

我有一个UIWebView，我正在使用本地键盘创建自定义文本编辑器。在UIWebview（iOS）中检测返回按钮

我试图检测当本机键盘上按下返回按钮。我试图在这个代码：How to detect keyboard enter key?以及customize return key，但无法成功。我如何获得回报？

HTML：

<!DOCTYPE html> 
<html> 
<head> 
<title>iOS Note Editor</title> 
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> 

<script> 
    function returnKeyPressed(event){ 
     if(window.event.keyCode == 13) document.location = "returnkeypressed:"; 
      return true; 
     } 
    } 
</script> 

<style type="text/css"> 
    html, body {height: 100%;} 
    body { 
     margin: 0; 
    } 
#wrap { 
    height: 100%; 
    width: 100%; 
    overflow-y: scroll; 
    -webkit-overflow-scrolling: touch; 
} 

</style> 

<link rel="stylesheet" type="text/css" href="quill.snow.css"> 
<link rel="stylesheet" type="text/css" href="quill.bubble.css"> 
<link rel="stylesheet" type="text/css" href="quill.core.css"> 
<link rel="stylesheet" type="text/css" href="style.css"> 
<meta charset="utf-8"> 
</head> 
<body onKeyPress="return returnKeyPressed(event)" style="padding-top:0px;margin-top:0px;"> 
<div id="wrap"> 
<div id="editor-container" style="padding:0px;margin-top:0px;font-family:'GothamPro-Light';font-size: 15px;"></div> 
</div> 
<script type="text/javascript" src="quill.core.js"></script> 
<script type="text/javascript" src="quill.min.js"></script> 
<script type="text/javascript" src="quill.js"></script> 
<script type="text/javascript" src="jquery.min.js"></script> 
<script type="text/javascript" src="ios_note_editor.js"></script> 
</body> 
</html>

//Not being called 
-(BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType{ 
    NSLog(@"webView shouldStartLoadWithRequest"); 
}

答

body onKeyPress时改为onKeyDown修复该问题。一个字头疼的小时数

在UIWebview（iOS）中检测返回按钮

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