php curl函数获取远程主机的信息

2024-12-24 技术教程

php程序员开发程序过程中，经常需要调用其他的接口。php为我们提供了一系列函数。curl系列函数。下面就这一些列函数的用法加以说明，以备自己和他人查阅。

demo.php

<?phpfunctioncurl_get($url,$headerArr='',$cookie=''){$ch=curl_init($url);curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);curl_setopt($ch,CURLOPT_HEADER,false);curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,3);curl_setopt($ch,CURLOPT_TIMEOUT,10);//10秒超时curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);if($headerArr){curl_setopt($ch,CURLOPT_HTTPHEADER,$headerArr);}if($cookie){curl_setopt($ch,CURLOPT_COOKIE,$cookie);}$data=curl_exec($ch);curl_close($ch);return$data;}//调用实例$url="http://192.168.10.26:8801/2/sub-system/user";$cookie="token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOjIyM30.Y25kn6rLQCttGrsEuf4taTqBvKD9oMaZVOEb2L0Ig7U";$results=curl_get($url,'',$cookie);$results=json_decode($results,true);if($results['code']==0){return$results['data'];}return"";functioncurl_post($url,$postData,$headerArr='',$cookie=''){if(is_array($postData)){$postData=http_build_query($postData);//生成URL-encode之后的请求字符串}$ch=curl_init($url);curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);curl_setopt($ch,CURLOPT_HEADER,false);curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,3);curl_setopt($ch,CURLOPT_TIMEOUT,10);curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);curl_setopt($ch,CURLOPT_POST,1);//10秒超时curl_setopt($ch,CURLOPT_POSTFIELDS,$postData);if($headerArr){curl_setopt($ch,CURLOPT_HTTPHEADER,$headerArr);}if($cookie){curl_setopt($ch,CURLOPT_COOKIE,$cookie);}$data=curl_exec($ch);curl_close($ch);return$data;}//调用实例$url="http://devwallet.100msh.com/walletadmin/api/wallet/";$data=array('time'=>date('Y-m-dH:i:s',strtotime('-1day')));$des=newDes('@Wt^2)V#');//php,java等通用的des加密解密算法类$data=$des->encrypt(json_encode($data));$headerArr=array('Content-type:text/html',);$results=curl_post($url,$data,$headerArr);$results=json_decode($results,true);if($results['code']==0){return$results['data'];}return"";?>

Des.class.php

<?php/***ClassDes*@descPHP,Java通用的des加密解密算法类*///header("Content-type:text/html;charset=utf-8");classDes{private$key;function__construct($key){$this->key=$key;}functionencrypt($input){$size=mcrypt_get_block_size('des','ecb');//本函数用来取得编码方式的区块大小$input=$this->pkcs5_pad($input,$size);$key=$this->key;$td=mcrypt_module_open('des','','ecb','');$iv=@mcrypt_create_iv(mcrypt_enc_get_iv_size($td),MCRYPT_RAND);@mcrypt_generic_init($td,$key,$iv);$data=mcrypt_generic($td,$input);mcrypt_generic_deinit($td);mcrypt_module_close($td);$data=base64_encode($data);return$data;}functiondecrypt($encrypted){$encrypted=base64_decode($encrypted);$key=$this->key;$td=mcrypt_module_open('des','','ecb','');//使用MCRYPT_DES算法,cbc模式$iv=@mcrypt_create_iv(mcrypt_enc_get_iv_size($td),MCRYPT_RAND);$ks=mcrypt_enc_get_key_size($td);@mcrypt_generic_init($td,$key,$iv);//初始处理$decrypted=mdecrypt_generic($td,$encrypted);//解密mcrypt_generic_deinit($td);//结束mcrypt_module_close($td);$y=$this->pkcs5_unpad($decrypted);return$y;}functionpkcs5_pad($text,$blocksize){$pad=$blocksize-(strlen($text)%$blocksize);return$text.str_repeat(chr($pad),$pad);}functionpkcs5_unpad($text){$pad=ord($text{strlen($text)-1});if($pad>strlen($text))returnfalse;if(strspn($text,chr($pad),strlen($text)-$pad)!=$pad)returnfalse;returnsubstr($text,0,-1*$pad);}}