Socket实现HTTP协议的文件上传.doc

setFile( uploadFile, d:/images/ice.gif );/ $pf-sendRequest();/ echo $pf-getResponse();/=class IBPostFile var $url; /要发送文件的URL var $formData; /发送的表单数据 var $fileData; /文件数据 var $boundary; /数据分隔标识 var $response; /保存服务器返回的信息 var $username; /需要身份验证时的用户名 var $pwd; /需要身份验证时的密码 var $port; /端口号 var $debug = true; /是否调试 /* 函数: IBPostFile * 功能: Constructor * 参数: $url String 要发送文件的URL */ function IBPostFile( $url=, $port=80) $this-url = $url; $this-port = $port; $this-boundary = $this-createBoundary(); /* 函数: sendRequest * 功能: 发送请求并保存结果 */ function sendRequest() $urlArray = parse_url( $this-url ); $fp = fsockopen( $urlArrayhost, $this-port ); $requestData = $this-buildRequest(); /* fwrite( $fp, $requestData ); $content = ; while( !feof( $fp ) ) $content .= fread( $fp, 4096 ); fclose( $fp ); /*/ $this-response = $content; if( $this-debug ) echo -HTTP-REQUEST-; echo $requestData; echo -HTTP-RESPONSE-; echo $content; /*/ /* 函数: getResponse() * 功能: 返回服务器端的信息 */ function getResponse() return $this-response; /* 函数: setForm( $formData ) * 功能: 设置表单的字段值 * 参数: $formData Array 字段名和值的数组 */ function setForm( $formData ) $this-formData = $this-buildFormData( $formData ); /* 函数: setFile( $name, $filePath ) * 功能: 设置要发送的文件 * 参数: $name 文件名，即file域的name * 参数: $filePath 要发送的文件路径 */ function setFile( $name, $filePath ) $this-fileData = $this-buildFileData( $name, $filePath ); /* 函数: setAuthor( $user, $pwd ) * 功能: 设置身份验证时需要的用户名和密码 * 参数: $user 用户名 * 参数: $pwd 密码 */ function setAuthor( $user, $pwd ) $this-username = $user; $this-pwd = $pwd; /* 函数: buildRequest() * 功能: 建立请求 */ function buildRequest() $urlArray = parse_url( $this-url ); $request = array(); $request = POST $urlArraypath HTTP/1.0; $request = Host: $urlArrayhost; $request = User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0); $request = Accept: */*; $request = Accept-Language: zh-cn; $request = Connection: Keep-Alive; $request = Cache-Control: no-cache; /需要身份验证 if ( !empty( $this-username ) & !empty( $this-pwd ) ) $request = Authorization: BASIC . base64_encode( $this-username.:.$this-pwd ); $request = Content-Type: multipart/form-data; boundary=$this-boundary; $request = Content-Length: . $this-getDataLength() . rn; $requestString = join( rn, $request ) . rn . $this-formData . rn . $this-fileData; if( $this-debug ) echo - REQUEST_INFOMATION -; echo . $requestString . ; return $requestString; /* 函数: getDataLength() * 功能: 返回要发送数据的长度 */ function getDataLength() return strlen( $this-formData ) + strlen(rn) + strlen( $this-fileData ); /* 函数: buildFormData() * 功能: 创建发送的数据格式 */ function buildFormData( $formData ) $postData = array(); foreach( $formData as $k = $v ) $row = array(); $row = -$this-boundary; $row = Content-Disposition: form-data; name=$krn; $row = $v; $postData = join( rn, $row ); return join( rn, $postData ); /* 函数: buildFileData( $name, $filePath ) * 功能: 创建发送的文件格式 */ function buildFileData( $name, $filePath ) /读取文件信息 $fname = basename( $filePath ); $fp = fopen ( $filePath, r ); $data = fread ( $fp, filesize( $filePath ) ); fclose ($fp); $postData = array(); $postData = -$this-boundary; $postData = Content-Disposition: form-data; name=$name; filename=$fnamern; /$postData = Content-Type: text/plainrn; $postData = $dat