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javascript结合ajax读取txt文件内容

  • 时间:2021-03-12 01:42 编辑: 来源: 阅读:
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摘要:javascript结合ajax读取txt文件内容
代码很简洁,这里就不多废话了,直接上源码 html代码
[u]复制代码[/u] 代码如下:
 <!doctype html>  <html>   <head>       <meta charset="utf-8"/>       </head>       <body>           <button type="button"  onclick="show()">请求数据</button>          <script src="ajax.js"></script>          <script>            function show(){              Ajax('read.txt?datetime=new Date.getTime ',function(str){alert(str);},function(){alert('失败了');})            };          </script>       </body>  </html>
javascript代码
[u]复制代码[/u] 代码如下:
  function Ajax(url,fnSucc,fnFaild)              {                   //1.创建ajax对象                 if(window.XMLHttpRequest)                  {// code for IE7+, Firefox, Chrome, Opera, Safari                       var oAjax=new XMLHttpRequest();                  }                 else                  {// code for IE6, IE5                      var oAjax=new ActiveXObject("Microsoft.XMLHTTP");                  }                  //2.链接服务器(打开服务器的连接)                  //open(方法,文件名,异步传输)                  oAjax.open('GET',url,true);                  //3.发送                  oAjax.send();                  //4.接收返回                  oAjax.onreadystatechange=function()                     {                       if (oAjax.readyState==4)                       {                         if(oAjax.status==200)                           {                             fnSucc(oAjax.responseText);                            }                        else                           {                            fnFaild(oAjax.status);                           }                       };                  };               }
请求的文件为read.txt 内容随便填写
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