使用Curl组件GET/POST数据

//Curl Get数据
function _curl_get($url) {      
    $ch = curl_init();    
    curl_setopt($ch, CURLOPT_URL,$url);     
    curl_setopt($ch, CURLOPT_HEADER, 0);    
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);     
    $data = curl_exec($ch);        
    curl_close($ch);      
    if ($data)   
        return $data;     
    else
        return false;     
}      

//Curl Post数据
function _curl_post($url, $vars) {       
    $ch = curl_init();    
    curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);      
    curl_setopt($ch, CURLOPT_URL,$url);     
    curl_setopt($ch, CURLOPT_POST, 1 );     
    curl_setopt($ch, CURLOPT_POSTFIELDS, $vars);     
    $data = curl_exec($ch);        
    curl_close($ch);      
    if ($data)   
        return $data;     
    else
        return false;     
}