php中使用cURL发送请求、上传图片以及批处理的实现方法

<?php
header("Content-type: text/html; charset=utf-8"); 
$ch = curl_init();//初始化

/*============开始设置curl各种选项================*/
curl_setopt($ch, CURLOPT_URL, "http://open.lashou.com/opendeals/lashou/city.xml");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);


$html = curl_exec($ch);//执行句柄，获取返回内容

curl_close($ch);//释放句柄

echo $html

<?php
$uri = "http://localhost/tqj/date/p822.php";

// post参数数组
$data = array (
        'name' => 'tianquanjun',
        'password' => 'tianquanjun',
);

//初始化
$ch = curl_init ();

//各种项设置，网上参考而来，可以查看php手册，自己设置
curl_setopt ( $ch, CURLOPT_URL, $uri );
curl_setopt ( $ch, CURLOPT_POST, 1 );//post方式
curl_setopt ( $ch, CURLOPT_HEADER, 0 );
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $data );

//执行
$return = curl_exec ( $ch );
//释放
curl_close ( $ch );

print_r($return);

<?php
$uri = "http://localhost/tqj/date/p822.php";

// post参数数组
$data = array (
        'name' => 'tianquanjun',
        'password' => 'tianquanjun',
);

//初始化
$ch = curl_init ();

//各种项设置，网上参考而来，可以查看php手册，自己设置
curl_setopt ( $ch, CURLOPT_URL, $uri );
curl_setopt ( $ch, CURLOPT_POST, 1 );//post方式
curl_setopt ( $ch, CURLOPT_HEADER, 0 );
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $data );

//执行
$return = curl_exec ( $ch );

//容错机制
if($return === false){
    var_dump(curl_error($ch));
    }

//curl_getinfo()获取各种运行中信息，便于调试 
$info = curl_getinfo($ch);

echo "执行时间".$info['total_time'].PHP_EOL;

//释放
curl_close ( $ch );

print_r($return);
?>

<?php
$uri = "http://localhost/tqj/date/p822.php";

// post参数数组
$data = array (
        'author' => 'tianquanjun',
        'upload' => '@C:\Users\tianquanjun.DANGDANG\Pictures\a.jpg',
);

//初始化
$ch = curl_init ();

//各种项设置，网上参考而来，可以查看php手册，自己设置
curl_setopt ( $ch, CURLOPT_URL, $uri );
curl_setopt ( $ch, CURLOPT_POST, 1 );//post方式
curl_setopt ( $ch, CURLOPT_HEADER, 0 );
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $data );

//执行
$return = curl_exec ( $ch );

//容错机制
if($return === false){
    var_dump(curl_error($ch));
    }

//curl_getinfo()获取各种运行中信息，便于调试 
$info = curl_getinfo($ch);

echo "执行时间".$info['total_time'].PHP_EOL;

//释放
curl_close ( $ch );

print_r($return);

<?php
header("Content-type: text/html; charset=gbk");
$urls=array('http://www.baidu.com','http://www.qq.com/');
$ch=array();
//批处理句柄
$mh=curl_multi_init();

//打开多个curl句柄，并指派给一个批处理句柄
$ch[0]=curl_init($urls[0]);
$ch[1]=curl_init($urls[1]);
for($i=0;$i<2;$i++)
{
curl_setopt($ch[$i],CURLOPT_RETURNTRANSFER,1);
curl_multi_add_handle($mh,$ch[$i]);

}
$running = NULL;
do{
    usleep(10000);
    curl_multi_exec($mh,$running);//实现批处理，可以看做curl多线程，实际是异步范畴
}while($running>0);
$res=array();
for($j=0;$j<2;$j++)
{
    $res[$j]=curl_multi_getcontent($ch[$j]);
}

//关闭句柄
for($k=0;$k<2;$k++)
{
    curl_multi_remove_handle($mh,$ch[$k]);
}
curl_multi_close($mh);

print_r($res);


?>