我写了一个基于CURL的PHP5的类，功能比较简单，比较适合学习用。如果真要应用的话，那绝对推荐Snoopy 太强大了。虽然它不是在curl基础上的。
php代码
<?php
class my_curl {
public function __construct() {
! extension_loaded ( 'curl' ) && exit ( 'CURL扩展未加载，程序终止运行' );
header ( 'Content-Type: text/html; charset=utf-8' );
}
public function go($url, $vars = '') {
$ch = curl_init ();
$array [CURLOPT_URL] = $url;
$array [CURLOPT_HEADER] = false;
$array [CURLOPT_RETURNTRANSFER] = true;
$array [CURLOPT_FOLLOWLOCATION] = true;
if (! empty ( $vars )) {
$postfields = $this->render_postfields ( $vars ); //生成urlcode的url
$array [CURLOPT_POST] = true;
$array [CURLOPT_POSTFIELDS] = $postfields;
}
//判断是否有cookie,有的话直接使用
if ($_COOKIE ['cookie_jar'] || is_file ( $_COOKIE ['cookie_jar'] )) {
$array [CURLOPT_COOKIEFILE] = $_COOKIE ['cookie_jar']; //这里判断cookie
} else {
$cookie_jar = tempnam ( '/tmp', 'cookie' ); //产生一个cookie文件
$array [CURLOPT_COOKIEJAR] = $cookie_jar; //写入cookie信息
setcookie ( 'cookie_jar', $cookie_jar ); //保存cookie路径
}
curl_setopt_array ( $ch, $array ); //传入curl参数
$content = curl_exec ( $ch ); //执行
curl_close ( $ch );//关闭
return $content; //返回
}
protected function render_postfields($vars) {
foreach ( $vars as $key => $values ) {
$postdata .= urlencode ( $key ) . "=" . urlencode ( $values ) . "&";
}
return $postdata;
}
}
?>使用方法
<?php
if($_POST['email']&&$_POST['password']){
include 'curl_class.php';
$curl = new my_curl ();
$vars ['email'] = $_POST['email'];
$vars ['password'] = $_POST['password'];
//$vars ['done'] = '/';
//$vars ['submit'] = '登 录';
echo $curl->go ( 'http://www.renren.com/PLogin.do', $vars );
}else{
?>
<html>
<form action="" class="login-form" id="loginForm" method="post">
<input type="text" id="email" name="email"/>
<input type="text" id="password" name="password"/>
<input type="submit" tabindex="4" value="登录" class="input-submit" id="login">
</form>
</html>
<?php }?>
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