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标题: 一个简单的ASP无组件上传类 [打印本页]

作者: qz沒愛過mm 时间: 2009-3-16 19:49
标题: 一个简单的ASP无组件上传类
<%@ language="javascript"%>
<%
var self = Request.serverVariables("SCRIPT_NAME");
if (Request.serverVariables("REQUEST_METHOD")=="POST")
{
      var oo = new uploadFile();
      oo.path = "myFile";                      //存放路径,为空表示当前路径,默认为uploadFile
      oo.named = "file";                      //命名方式,date表示用日期来命名,file表示用文件名本身,默认为file
      oo.ext = "all";                               //允许上传的扩展名,all表示都允许,默认为all 86oo精彩教程
      oo.over = true;                               //当存在相同文件名时是否覆盖,默认为false
      oo.size = 1*1024*1024;             //最大字节数限制,默认为1G
      oo.upload();
      Response.write('<script type="text/javascript">location.replace("'+self+'")</script>');
} 86oo.com
//ASP无组件上传类
function uploadFile()
{
var bLen  = Request.totalBytes;
var bText = Request.binaryRead(bLen);
var oo = Server.createObject("ADODB.Stream");
oo.mode = 3;
      this.path = "uploadFile";
      this.named = "file";
      this.ext = "all";
      this.over = false;
      this.size = 1*1024*1024*1024;       //1GB 86oo.com
      //文件上传
      this.upload = function ()
      {
            var o = this.getInfo();
            if (o.size>this.size)
            {
                     alert("文件过大,不能上传!");

                     return;
            } 86oo精彩教程

            var f = this.getFileName();
            var ext = f.replace(/^.+\./,"");
            if (this.ext!="all"&&!new RegExp(this.ext.replace(/,/g,"|"),"ig").test(ext))
            {
                     alert("目前暂不支持扩展名为 "+ext+" 的文件上传!");
                     return;
            }
            if (this.named=="date") 86oo.com欢迎你
            {
                     f = new Date().toLocaleString().replace(/\D/g,"") + "." + ext;
            } http://www.86oo.com
            oo.open();
            oo.type = 1;
            oo.write(o.bin);
            this.path = this.path.replace(/[^\/\\]$/,"$&/");
            var fso = Server.createObject("Scripting.FileSystemObject");
            if(this.path!=""&&!fso.folderExists(Server.mapPath(this.path)))
            {
                     fso.createFolder(Server.mapPath(this.path)); 86oo精彩教程
            }
            try
            {
                     oo.saveToFile(Server.mapPath(this.path+f),this.over?2:1);
                     alert("上传成功!");
            }
            catch(e)
            {
                     alert("对不起,此文件已存在！"); 86oo.com
            }
            oo.close();
            delete(oo); 86oo.com
      } 86oo精彩教程
      //获取二进制和文件字节数
      this.getInfo = function ()
      {
            oo.open();
            oo.type=1;
            oo.write(bText);
            oo.position = 0;
            oo.type=2;
            oo.charset="unicode"; 86oo.com
            var gbCode=escape(oo.readText()).replace(/%u(..)(..)/g,"%$2%$1");
            var sPos=gbCode.indexOf("%0D%0A%0D%0A")+12;
            var sLength=bLen-(gbCode.substring(0,gbCode.indexOf("%0D%0A")).length/3)-sPos/3-6;
            oo.close();

            oo.open();
            oo.type = 1;
            oo.write(bText);
            oo.position=sPos/3; 86oo精彩教程
            var bFile=oo.read(sLength);
            oo.close();

            return { bin:bFile, size:sLength };
      }
      //获取文件名
      this.getFileName = function ()
      {
            oo.open();
            oo.type = 2;
            oo.writeText(bText);
            oo.position = 0;
            oo.charset = "gb2312";
            var fileName = oo.readText().match(/filename=\"(.+?)\"/i)[1].split("\\").slice(-1)[0];
            oo.close(); 欢迎各位访问86oo.com

            return fileName;
      }

      function alert(msg)
      {
            Response.write('<script type="text/javascript">alert("'+msg+'");</script>');
      }
}
%>
<html>
<head>
  <title>ASP无组件上传类</title>
  <meta http-equiv="content-Type" content="text/html; charset=gb2312">
</head>
<body>
  <form action="<%=self%>" method="post" enctype="multipart/form-data" onSubmit="return (this.upFile.value!='');">
<input type="file" name="upFile"/>
<input type="submit" value="上传文件"/> 86oo.com
  </form>
</body>
</html> 86oo.com

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