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How to implement value-passing and URL encoding conversion in JS forms?

亚连Original: 2018-06-01 16:08:291742browse

This article shares with you in detail the relevant knowledge points of JS form value transfer and URL encoding conversion, and also shares examples for you to learn together.

Note:

There are two web pages written here

Because the data passed by the URL does not support Chinese characters and some special symbols, the encoding needs to be converted

Realization effect: The form data of web page 1 is transferred to web page 2 and displayed

The code of web page 1 is as follows:

<!DOCTYPE html> 
<html lang="en"> 
<head> 
 <meta charset="UTF-8"> 
 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 
 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 
 <title>document</title> 
</head> 
<body> 
 <!--test_form.html为需要发送数据到的网页,https://idaobin.com/test/test_form.html --> 
 <!--表单数据将通过method属性附加到 URL上--> 
 <!--submit表单提交到另一个网页--> 
 <form action="test_form.html" method="GET" target="_blank"> 
 账号：<input type="text" name="code"><br> 
 姓名：<input type="text" name="str"><br> 
 <input type="submit"> 
 </form> 
</body> 
</html>

The code of web page 2 is as follows:

<!DOCTYPE html> 
<html lang="en"> 
<head> 
 <meta charset="UTF-8"> 
 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 
 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 
 <title>document</title> 
 <script type="text/javascript" src="jquery-3.2.1.js"></script> 
 <!--URL编码转换，只对第二个输入框转换--> 
 <script> 
 window.onload=function(){ 
  var a=document.getElementById("str").innerText; 
  var b=(decodeURIComponent(a)); 
  document.getElementById("str").innerText=b; 
 } 
 // 以下是jquery代码 
 // $(function(){ 
 // var c=$("#str").text(); 
 // var d=(decodeURIComponent(c)); 
 // $("#str").text(d); 
 // }); 
 </script> 
</head> 
<body> 
 <p>提交过来的数据页面</p> 
 账号：<span id="code"></span><br> 
 姓名：<span id="str"></span> 
</body> 
<!--获取表单传过来的数据--> 
<script> 
 function UrlSearch(){ 
 var name,value; 
 var str=location.href; 
 var num=str.indexOf("?"); 
 str=str.substr(num+1); 
 var arr=str.split("&"); 
 for(var i=0;i<arr.length;i++){ 
  num=arr[i].indexOf("="); 
  if(num>0){ 
  name=arr[i].substring(0,num); 
  value=arr[i].substr(num+1); 
  this[name]=value; 
  } 
 } 
 } 
 var Request=new UrlSearch(); 
 document.getElementById("code").innerHTML=Request.code; 
 document.getElementById("str").innerHTML=Request.str; 
</script> 
</html>

After running:

The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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