PHP 传输会话curl函数的实例详解
前言：
接手公司项目PC端负责人的重担，责任担当重大；从需求分析，画流程图，建表，编码，测试修bug，上线维护等我一个光杆司令一人完成(当然还有一个技术不错的前端配合,感谢主管的帮助)，虽然累点加班多点但感觉还行吧，公司都是一个鸟样。
闲话不多说了，因为项目中经常需要调取java那边的接口，既然涉及到请求接口那就有了http的请求方式，PHP常见的是GET/POST两种当然还有其他的比如put等，java那边经常用到GET/POST/PUT/DELETE等方式，请求接口当然要用到curl的相关函数了，都是看文档调试的希望大家都看文档，下面是我封装好的相关函数等(大概总结下，已调通)：
示例代码：
private $serverhost = "https://demo.xxx.cn"; //测试
/**
* 请求接口封装 get/post/put/delete等
* access public
* @param string $url 接口地址
* @param string $params 参数
* @param string $type 类型 get/post/put/delete
* @return bool/array
*/
public function getcurldata($url,$params,$type="get"){
$url = $this->serverhost.$url;
$response = array();
if($type == 'get'){ //get请求
//请求头可以加其他设置
$headers = array(
'Content-type: application/json;charset=UTF-8',
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$response = curl_exec($ch);
}elseif ($type == 'post'){ //post请求
$headers = array(
'Content-type: application/json;charset=UTF-8',
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_POST, true); //注意这几行
curl_setopt($ch, CURLOPT_POSTFIELDS, $params); //注意这几行
//curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$response = curl_exec($ch);
}elseif ($type == 'put'){ //put请求
$headers = array(
'Content-type: application/json;charset=UTF-8',
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_PUT, true); //注意这几行
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
//curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$response = curl_exec($ch);
}
return $response;
}
//如何调用上面代码
//get方式
/**
* 查询我创建过的班级
* @param string $url 接口地址
* @param string $params 参数
* @param string $type 类型 get
* @return array
*/
public function mycreateclass($userid){
$url = "/xxx/xxxx/xxxx/".$userid; //请求地址拼接
$response = $this->getcurldata($url,array(),"get");
$createdclass = json_decode($response, true); //返回json格式数据
return $createdclass;
}
/** post方式请求
* 用户登录判断
* access public
* @param string $username 用户名
* @param string $password 密码
* @return bool
*/
public function getlogin($username,$password)
{
//要post的数据
$params = array(
"username" => $username,
"password" => $password
);
$params = json_encode($params, 64|256);
$uri = "/xxx/xxx/login";
$response = $this->getcurldata($uri,$params,"post");
$result = json_decode($response, true);
return $result ;
}
/*身份转换--put 请求
*/
public function changeuserole($token){
//要put的数据
$params = array();
$params = json_encode($params, 64|256);
$uri = "/xxx/xxx/xxx/".$token."/";
$response = $this->getcurldata($uri,$params,"put");
$result = json_decode($response, true);
//dump($result);die;
return $result;
}
//还有一个delete方式 大家自己参考文档调试下吧
上面3个请求方式都是单次请求(即请求一次)***************
PHP自带函数curl_multi_get_contents函数(thinkphp自带此函数，可以微调下)：
/**
* 批量发起请求 已调通
* curl multi POST数据
* */
public function curl_multi_get_contents($url=array(), $param = array(), $timeout=1000){
$userAgent = 'Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1;+SV1)';
$headers = array(
'Content-type: application/json;charset=UTF-8',
);
$curl_array=array();
$mh = curl_multi_init();
foreach($url as $uk=>$uv){
$curl_array[$uk] = curl_init();
}
unset($uk,$uv);
foreach($url as $uk=>$uv) {
$options = array(
CURLOPT_URL => $uv,
CURLOPT_TIMEOUT => $timeout,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_DNS_CACHE_TIMEOUT => 86400,
CURLOPT_DNS_USE_GLOBAL_CACHE => true,
CURLOPT_SSL_VERIFYPEER => 0,
CURLOPT_HEADER => false,
CURLOPT_USERAGENT => 'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)',
CURLOPT_HTTPHEADER => $headers,
);
if (isset($param[$uk])) {
foreach ($param[$uk] as $_k => $_v) {
//$options[$_k] = $_v;
$optionsparam[$_k] = $_v;
$options[CURLOPT_POSTFIELDS] = json_encode($optionsparam, 64|256);
}
}
curl_setopt_array($curl_array[$uk], $options);
curl_multi_add_handle($mh, $curl_array[$uk]);
unset($options);
}
unset($uk,$uv);
$running = NULL;
do {
curl_multi_exec($mh,$running);
} while($running > 0);
$res = array();
foreach($url as $uk=>$uv){
$res[$uk] = curl_multi_getcontent($curl_array[$uk]);
}
unset($uk,$uv);
foreach($url as $uk=>$uv){
curl_multi_remove_handle($mh, $curl_array[$uk]);
}
unset($url,$curl_array,$uk,$uv);
curl_multi_close($mh);
return $res;
}
//如何调用--批量发起请求
//批量请求加入班级
public function batchjoinclass($token,$batchjoinclass){
$urlarr = $param = $returndata = array();
$param = $batchjoinclass; //二维数组 格式如下
/*
$param[1]['name'] = '班级新1';
$param[1]['iamge'] = 'xxx11.png';
$param[1]['iamgeType'] = 'CUSTOM';
$param[2]['name'] = '班级新2';
$param[2]['iamge'] = 'xxx.png';
$param[2]['iamgeType'] = 'CUSTOM';
*/
//获取请求url
foreach($batchjoinclass as $key=>$val){
$urlarr[$key] = $this->serverhost."/xxx/xxxx/xxxx/".$token;
}
$res = $this->curl_multi_get_contents($urlarr,$param);
//格式化返回数据
foreach($res as $key=>$val){
$returndata[$key] = json_decode($val,true);
}
return $returndata;
}
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