sanders_yao
版主
  
or2 =333
UID 30286
精华
0
积分 2501
帖子 4654
金钱 2498 喜悦币
威望 0
人脉 3
阅读权限 100
注册 2004-7-23
来自 北京 菜户营
状态 离线
|
[推荐阅读] 紧急！寻找解决方案
修正了远程请求类型 添加了get方法请求远程数据
修正了远程请求类型 添加了通过get方法请求远程数据的功能
这个类型的灵感主要来自织梦（dedecms）的远程下载类型
个人感觉dede的那个类型的缺点在于：
过多的使用了正则（包括那个下载字符串中远程图片的函数）不利于执行效率
post方法还需要我们将post数据添加在url里 无法区分post方法中的get变量
我重新写了类型并对以上两点做出了自己的改进
目前还无法通过http上传文件到指定服务器 请高手指点
以后将加入在跳转时自动发送cookie的功能
<?php
//####################################
# 文件：request.class.php
# 名称：http请求类型
# 作者：Sanders Yao
# 共能：请求远程资源
# 目前只测试了post提交数据
# 修改时间：2007-4-16
//####################################
//http请求类
class httpRequest{
var $itsUrl; //网址
var $itsParseUrl; //解析后的地址
var $itsFp; //句柄
var $itsError; //错误信息
var $itsPHead; //发送文件头
var $itsRHead; //获取文件头
var $itsContent; //数据内容
var $itsJumps; //被重定向次数
var $itsStartTime; //开始时间
var $itsPostData; //post数据
var $itsCChars; //客户端字符集
var $itsSChars; //服务器端字符集
function httpRequest($url = ""){
$this->itsUrl = $url;
$this->itsParseUrl = array(
"scheme" => "http",
"host" => "",
"port" => 80,
"user" => "",
"pass" => "",
"path" => "",
"query" => "",
"fragment" => ""
);
$this->itsFp = false;
$this->itsError = "";
$this->itsPHead = array();
$this->itsRHead = array();
$this->itsContent = "";
$this->itsJumps = 0;
$this->itsStartTime = time();
$this->itsPostData = array();
$this->itsCChars = "GB2312";
$this->itsSChars = "GB2312";
$this->ini();
}
//根据url初始化
function ini(){
$tmpArray = parse_url($this->itsUrl);
foreach($tmpArray as $k => $v){
$this->itsParseUrl[$k] = $v;
}
if("http" != strtolower($this->itsParseUrl["scheme"])){
$this->itsError .= "[1]";//无法判断协议或非http协议链接
}
if("" == $this->itsParseUrl["host"]){
$this->itsError .= "[2]";//无法判断域名
}
if("" == $this->itsParseUrl["path"]){
$this->itsError .= "[3]";//无法判断路径
}
return "" == $this->itsError ? true : false;
}
//设定发送的文件头
function setHead($k, $v){
$this->itsPHead[$k] = $v;
}
//获取收到的文件头
function getHead($k){
return isset($this->itsRHead[$k]) ? $this->itsRHead[$k] : "";
}
//发送请求
function send($iconv = false){
$errn = 0;
$errs = "";
$data = "";//post数据
$headText = ""; //debug
$this->itsFp = @fsockopen(
$this->itsParseUrl["host"],
$this->itsParseUrl["port"],
$errn, $errs);
if(false === $this->itsFp){
$this->itsError .= "[4]" . $errn . ":" . $errs;//请求失败
return false;
}
$httpv = "" == $this->getHead("http-version") ? "HTTP/1.0" : "HTTP/1.1";
$target = 0 == count($this->itsPostData) ? "GET " : "POST ";
$this->itsParseUrl["path"] .= "?" . $this->itsParseUrl["query"];
$target .= $this->itsParseUrl["path"] . " " . $httpv . "rn";
$this->itsPHead["Host"] =
isset($this->itsPHead["Host"])
? $this->itsPHead["Host"]
: $this->itsParseUrl["host"];
$this->itsPHead["Accept"] =
isset($this->itsPHead["Accept"])
? $this->itsPHead["Accept"]
: "*/*";
$this->itsPHead["User-Agent"] =
isset($this->itsPHead["User-Agent"])
? $this->itsPHead["User-Agent"]
: "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3";
$this->itsPHead["Referer"] =
isset($this->itsPHead["Referer"])
? $this->itsPHead["Referer"]
: $this->itsParseUrl["scheme"] . "://" . $this->itsParseUrl["host"] . "/";
fputs($this->itsFp, $target);
$headText .= $target;
foreach($this->itsPHead as $k => $v){
fputs($this->itsFp, $k . ": " . $v . "rn");
$headText .= $k . ": " . $v . "rn";
}
if(0 < count($this->itsPostData)){
$this->itsPHead["Content-Type"] =
isset($this->itsPHead["Content-Type"])
? $this->itsPHead["Content-Type"]
: "application/x-www-form-urlencoded";
if(function_exists("iconv")){
$data =
$this->itsCChars != $this->itsSChars
? iconv($this->itsCChars, $this->itsSChars, $this->importPost())
: $this->importPost();
}else{
$data = $this->importPost();
}
fputs($this->itsFp, "Content-Type: " . $this->itsPHead["Content-Type"] . "rn");
$headText .= "Content-Type: " . $this->itsPHead["Content-Type"] . "rn";
fputs($this->itsFp, "Content-Length: " . strlen($data) . "rn");
$headText .= "Content-Length: " . strlen($data) . "rn";
}
if("HTTP/1.1" == $httpv){
fputs($this->itsFp, "Connection: Closernrn");
$headText .= "Connection: Closernrn";
}else{
fputs($this->itsFp, "rn");
$headText .= "rn";
}
fputs($this->itsFp, $data);
$headText .= $data;
$status = fgets($this->itsFp, 256);
$this->itsRHead["http-version"] = substr($status, 0, 8);
$this->itsRHead["status"] = substr($status, 9, 3);
$this->itsRHead["description"] = substr($status, 13);
for(;1;){
if(feof($this->itsFp)){
fclose($this->itsFp);
$this->itsFp = false;
break;
}
if("" == $line = trim(fgets($this->itsFp, 256))){
break;
}
if(0 != preg_match("~^([^:]+):(.*)$~", $line, $clip)){
$this->itsRHead[trim($clip[1])] = trim($clip[2]);
}
}
//重定向处理
if(3 == $this->itsRHead["status"][0]){
if(3 < $this->itsJumps){
$this->itsError .= "[5]";//重定向次数已满
return false;
}
if(isset($this->itsRHead["location"])){
if("http" != substr($this->itsRHead["location"], 0, 4)){
$tempUrl = $this->itsRHead["location"];
$this->itsRHead["location"] = "http://" . $this->itsParseUrl["host"]
. ":" . $this->itsPHead["port"] . "/"
. $this->itsRHead["location"];
}
$this->itsUrl = $this->itsRHead["location"];
$this->ini();
$this->send();
}else{
$this->itsError .= "[6]";//无法获取重定向地址
return false;
}
}
//读取内容
if(2 == $this->itsRHead["status"][0]){
for(;1;){
if(feof($this->itsFp)){
fclose($this->itsFp);
$this->itsFp = false;
break;
}
$this->itsContent .= fread($this->itsFp, 1024);
}
if(function_exists("iconv") && $iconv){
$this->itsContent =
$this->itsSChars != $this->itsCChars
? iconv($this->itsSChars, $this->itsCChars, $this->itsContent)
: $this->itsContent;
}
return true;
}
fclose($this->itsFp);
$this->itsFp = false;
return false;
}
//导入并格式化post数据
function importPost($array = NULL, $perfix = ""){
$array = NULL == $array ? $this->itsPostData : $array;
foreach($array as $k => $v){
if(is_array($v)){
if("" == $perfix){
$postData[$k] = urlencode($k) . "=" . $this->importPost($v, $k);
}else{
$postData[$k] = urlencode($k) . "=" . $this->importPost($v, $perfix . urlencode("[" . $k . "]"));
}
}else{
if("" == $perfix){
$postData[$k] = urlencode($k) . "=" . urlencode($v);
}else{
$postData[$k] = $perfix . urlencode("[" . $k . "]") . "=" . urlencode($v);
}
}
}
return implode("&", $postData);
}
}
?>
| 
最近写的一些代码都会在以下地址发布，有兴趣的来批：
http://www.phpx.com/happy/thread-131368-1-1.html |
|
