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//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;    
}