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简单的ASP无组件上传类,发出来让大家看看。可以做做实验!
| 以下为引用的内容:
<%@ 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 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>'); } //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 //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; } 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) { f = new Date().toLocaleString().replace(//D/g,) . ext; } 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)); } 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!); } oo.close(); delete(oo); } //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; var gbCode=escape(oo.readText()).replace(/%u(..)(..)/g,%$2%$1); var sPos=gbCode.indexOf() 12; var sLength=bLen-(gbCode.substring(0,gbCode.indexOf()).length/3)-sPos/3-6; oo.close();
oo.open(); oo.type = 1; oo.write(bText); oo.position=sPos/3; 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(); 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/> </form> </body> </html> |
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