PHP实例：读取、解析eml文件以及生成网页

发布:smiling　来源: PHP粉丝网　添加日期：2018-06-04 11:17:59　浏览: 评论：0　

PHP是现今很多编程人员会经常使用到的，它有着非常大的作用，能为我们带来很大的便利。这次文章就给大家分享个实例，通过PHP读取、解析文件以及生成网页，这也是一个非常不错的应用，下面我们具体来看看实现代码。

php读取eml实例，本实例可以将导出eml文件解析成正文，并且可以将附件保存到服务器。不多说直接贴代码了。

<?php

// Author: richard e42083458@163.com

// gets parameters

error_reporting(E_ALL ^ (E_WARNING|E_NOTICE));

header("Content-type: text/html; charset=utf-8");

echo "<pre>";

define(EML_FILE_PATH,'./yjdata/');

//if ($filename == '') $filename = '21724696_niuyufu@qiaodazhao.com_ZC4422-r7GMz_R9QF3K6XUhmJOXd4c.eml';

//if ($filename == '') $filename = '21724696_niuyufu@qiaodazhao.com_ZC3218-dGquMgm7ytdF6HQgpSReC4c.eml';

//if ($filename == '') $filename = '163.eml';

//if ($filename == '') $filename = '166.eml';

//if ($filename == '') $filename = 'nyf.eml';

//if ($filename == '') $filename = 'email_header_icon.eml';

if ($filename == '') $filename = '20141230133705.eml';

$eml_file = EML_FILE_PATH.$filename;

if (!($content = fread(fopen(EML_FILE_PATH.$filename, 'rb'), filesize(EML_FILE_PATH.$filename))))

  die('File not found ('.EML_FILE_PATH.$filename.')');

//标题内容

$pattern="/Subject: (.*?)\n/ims";

preg_match($pattern,$content,$subject_results);

$subject = getdecodevalue($subject_results[1]);

echo "标题：".$subject;

//发件人：

$pattern="/From: .*?<(.*?)>/ims";

preg_match($pattern,$content,$from_results);

$from = $from_results[1];

echo "\n\r";

echo "发件人：".$from;

//收件人：

$pattern="/To:(.*?):/ims";

preg_match($pattern,$content,$to_results);

$pattern="/<(.*?)>/ims";

preg_match_all($pattern,$to_results[1],$to_results2);

if(count($to_results2[1])>0){

  $to = $to_results2[1];

}else{

  $pattern="/To:(.*?)\n/ims";

  preg_match($pattern,$content,$to_results);

  $to = $to_results[1];

}

echo "\n\r";

echo "收件人：";

print_r($to);

echo "\n\r";

//正文内容

$pattern = "/Content-Type: multipart\/alternative;.*?boundary=\"(.*?)\"/ims";

preg_match($pattern,$content,$results);

if($results[1]!=""){

  $seperator = "--".$results[1];

}else{

  die("boundary匹配失败");

}

$spcontent = explode($seperator, $content);

$items = array();

$keyid = 0;

$email_front_content_array = array();

foreach($spcontent as $spkey=>$item) {

  //匹配header编码等信息

  $pattern = "/Content-Type: ([^;]*?);.*?charset=(.*?)\nContent-Transfer-Encoding: (.*?)\n/ims";

  preg_match($pattern,$item,$item_results);

  if(count($item_results)==4){

    $Content_code = str_replace($item_results[0],"",$item);

    $item_results[4] = $Content_code;

    if(trim($item_results[3])=="base64"){

      $item_results[5] = base64_decode($item_results[4]);

    }

    if(trim($item_results[3])=="quoted-printable"){

      $item_results[5] = quoted_printable_decode($item_results[4]);

    }

    $item_results[5] = mb_convert_encoding($item_results[5], 'UTF-8', trim($item_results[2]));

    //echo $item_results[5];exit;

    $email_front_content_array[] = $item_results;

  }

}

foreach ($email_front_content_array as $email_front_content_each_key=>$email_front_content_each_value){

  if($email_front_content_each_value[1]=='text/html'){

    $content_html = $email_front_content_each_value[5];

    break;

  }else{

    $content_html = $email_front_content_each_value[5];

  }

}

echo "内容：";

echo "\n\r";

echo $content_html;

echo "\n\r";

//附件内容

$pattern = "/Content-Type: multipart\/mixed;.*?boundary=\"(.*?)\"/ims";

preg_match($pattern,$content,$results);

if($results[1]!=""){

  $seperator = "--".$results[1];

  $spcontent = explode($seperator, $content);

  $items = array();

  $keyid = 0;

  $email_attachment_content_array = array();

  foreach($spcontent as $spkey=>$item) {

    //匹配header编码等信息

    $pattern = "/Content-Type: ([^;]*?);.*?name=(.*?)\nContent-Transfer-Encoding: (.*?)\nContent-Disposition: attachment;.*?filename=(.*?)\n/ims";

    preg_match($pattern,$item,$item_results);

    //print_r($item_results);

    if(count($item_results)==5){

      $Content_code = str_replace($item_results[0],"",$item);

      $item_results[5] = trim($Content_code);

      if(trim($item_results[3])=="base64"){

        $item_results[6] = base64_decode($item_results[5]);

      }

      if(trim($item_results[3])=="quoted-printable"){

        $item_results[6] = quoted_printable_decode($item_results[5]);

      }

      $item_results[7] = str_replace("\"","",getdecodevalue($item_results[2]));

      $item_results[8] = str_replace("\"","",getdecodevalue($item_results[4]));

      //保存附件内容到服务器？

      //符合规范的文件名时：有后缀名时。

      if(strrpos($item_results[8], '.')!==false){

        $ext = substr($item_results[8], strrpos($item_results[8], '.') + 1);

        //$filename = "./yjdata/attachment/".date("YmdHis").mt_rand(10000,99999).".".trim($ext);

        $attachment_filename = "./yjdata/attachment/".trim(str_replace("\"","",getbase64code($item_results[4]))).".".trim($ext);

        mkdirs(dirname($attachment_filename));

        $fp = fopen($attachment_filename, "w+");

        if (flock($fp, LOCK_EX)) { // 进行排它型锁定

          fwrite($fp, $item_results[6]);

          flock($fp, LOCK_UN); // 释放锁定

        } else {

          //echo "Couldn't lock the file !";

        }

        fclose($fp);

        $item_results[9] = $attachment_filename;

        $email_attachment_content_array[] = $item_results;

      }

    }

  }

  //print_r($email_attachment_content_array);

}

if(count($email_attachment_content_array)>0){

  echo "附件：";

  echo "\n\r";

  //附件读取

  foreach($email_attachment_content_array as $email_attachment_content_each_key=>$email_attachment_content_each_value){

    unset($email_attachment_content_each_value[5]);

    unset($email_attachment_content_each_value[6]);

    print_r($email_attachment_content_each_value[8]);

    print_r($email_attachment_content_each_value[9]);

  }

}

function getbase64code($content){

  $pattern="/=\?GB2312\?B\?(.*?)\?=|=\?GBK\?B\?(.*?)\?=|=\?UTF-8\?B\?(.*?)\?=/ims";

  preg_match($pattern,$content,$subject_results);

  if($subject_results[1]!=""){

    $subject = $subject_results[1];

    $charset = "GB2312";

  }

  elseif($subject_results[2]!=""){

    $subject = $subject_results[2];

    $charset = "GBK";

  }

  elseif($subject_results[3]!=""){

    $subject = $subject_results[3];

    $charset = "UTF-8";

  }else{

    $subject = $content;

    $charset = "";

  }

  return $subject;

}

function getdecodevalue($content){

  $pattern="/=\?GB2312\?B\?(.*?)\?=|=\?GBK\?B\?(.*?)\?=|=\?UTF-8\?B\?(.*?)\?=/ims";

  preg_match($pattern,$content,$subject_results);

  if($subject_results[1]!=""){

    $subject = base64_decode($subject_results[1]);

    $charset = "GB2312";

  }

  elseif($subject_results[2]!=""){

    $subject = base64_decode($subject_results[2]);

    $charset = "GBK";

  }

  elseif($subject_results[3]!=""){

    $subject = base64_decode($subject_results[3]);

    $charset = "UTF-8";

  }else{

    $subject = $content;

    $charset = "";

  }

  if($charset!=""){

    $subject = mb_convert_encoding($subject, 'UTF-8', $charset);

  }

  return $subject;

}

function mkdirs($dir)

{

  if(!is_dir($dir))

  {

    if(!mkdirs(dirname($dir))){

      return false;

    }

    if(!mkdir($dir,0777)){

      return false;

    } //phpfensi.com

  }

  chmod($dir, 777);  //给目录操作权限

  return true;

}

?>