$inFileName = basename($inFileName);
//--去除没有扩展名的文件
if(strrchr($inFileName, ".") == false){
return "application/octet-stream";
}
//--提区扩展名并进行判断
$extension = strrchr($inFileName, ".");
switch($extension){
case ".gif": return "image/gif";
case ".gz": return "application/x-gzip";
case ".htm": return "text/html";
case ".html": return "text/html";
case ".jpg": return "image/jpeg";
case ".tar": return "application/x-tar";
case ".txt": return "text/plain";
case ".zip": return "application/zip";
default: return "application/octet-stream";
}
return "application/octet-stream";
}
/**********************************************
函数formatTextHeader把文本内容加上text的文件头
*****************************************************/
function formatTextHeader(){ $outTextHeader = "";
$outTextHeader .= "Content-Type: text/plain;
charset=us-asciin";
$outTextHeader .= "Content-Transfer-Encoding: 7bitnn";
$outTextHeader .= $this->mailText. "n";
return $outTextHeader;
} /************************************************
函数formatHTMLHeader()把邮件主体内容加上html的文件头
******************************************/
function formatHTMLHeader(){
$outHTMLHeader = "";
$outHTMLHeader .= "Content-Type: text/html;
charset=us-asciin";
$outHTMLHeader .= "Content-Transfer-Encoding: 7bitnn";
$outHTMLHeader .= $this->mailHTML. "n";
return $outHTMLHeader;
}
/**********************************
函数 formatAttachmentHeader($inFileLocation) 把邮件中的附件标识出来
********************************/
function formatAttachmentHeader($inFileLocation){
$outAttachmentHeader = "";
//--用上面的函数getContentType($inFileLocation)得出附件类型
$contentType = $this->getContentType($inFileLocation);
//--如果附件是文本型则用标准的7位编码
if(ereg( "text",$contentType)){
$outAttachmentHeader .= "Content-Type: ".$contentType. ";n";
$outAttachmentHeader .= ' name="'.basename($inFileLocation). '"'. "n";
$outAttachmentHeader .= "Content-Transfer-Encoding: 7bitn";
$outAttachmentHeader .= "Content-Disposition: attachment;n";
