<?php
	function GetAllHeader()
	{
		// 忽略获取的header数据。这个函数后面会用到。主要是起过滤作用
		$ignore = array('host','accept','content-length','content-type'); 
		$headers = array();
		//这里大家有兴趣的话，可以打印一下。会出来很多的header头信息。咱们想要的部分，都是‘http_'开头的。所以下面会进行过滤输出。
		/*var_dump($_SERVER);
		exit;*/
 
		foreach($_SERVER as $key=>$value){
			if(substr($key, 0, 5)==='HTTP_'){
				//这里取到的都是'http_'开头的数据。
				//前去开头的前5位
				$key = substr($key, 5);
				//把$key中的'_'下划线都替换为空字符串
				$key = str_replace('_', ' ', $key);
				//再把$key中的空字符串替换成‘-’
				$key = str_replace(' ', '-', $key);
				//把$key中的所有字符转换为小写
				$key = strtolower($key);
 
				//这里主要是过滤上面写的$ignore数组中的数据
				if(!in_array($key, $ignore)){
					$headers[$key] = $value;
				}
			}
		}
		//输出获取到的header
		return $headers;
	}
	//header('Content-Type: application/json; charset=UTF-8'); //設定資料類型為 json，編碼 utf-8
	set_time_limit(0);//確保不會超時
	date_default_timezone_set("Asia/Taipei");
	$filename="client_header_".date('Y-m-d-H-i-s').".txt";
	$myfile = fopen($filename, "w") or die("Unable to open file!");
	foreach (getallheaders() as $name => $value) {
		fwrite($myfile, "$name: $value\n");
	}	  
	fwrite($myfile, "\n=========================\n\n");
	foreach (GetAllHeader() as $name => $value) {
		fwrite($myfile, "$name: $value\n");	
	}
	fwrite($myfile, "\n=========================\n\n");
	foreach($_SERVER as $key=>$value){
		fwrite($myfile, "$key: $value\n");		
	}
	fwrite($myfile, "\n=========================\n\n");
	
	$data = file_get_contents("php://input");//接收client set json data
	fwrite($myfile, "client set json data: $data\n");	
	
	fwrite($myfile, "\n=========================\n\n");
	
	$Subarraydata=array();
	$Subarraydata["id"]=200;
	
	$arraydata=array();
	$arraydata["code"]=0;
	$arraydata["data"]=$Subarraydata;
	
	echo json_encode($arraydata);	
	fclose($myfile);
?>

package test01;

import org.apache.http.client.CookieStore;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;

public class test01 {

    public static CookieStore authLogin(String url,String username,String password) throws Exception {
        /**
    	    * http://techsupport.megvii.com/hc/kb/article/178244/
    	    * 登录 获取 Cookie
    	    * @param url API地址
    	    * @param username 账号, 注意不要使用admin@megvii.com
    	    * @param password 密码
    	    * @return cookie CookieStore
    	    * @throws Exception 
    	*/    	
        System.out.println("Start /auth/login to ...");
        CloseableHttpClient httpclient = HttpClients.createDefault();
        HttpPost request = new HttpPost(url);
         
        //设置user-agent为 "Koala Admin" 
        //设置Content-Type为 "application/json"
        request.setHeader("User-Agent", "Koala Admin");
        request.setHeader("Content-Type", "application/json");
         
        JSONObject json = new JSONObject();
        json.put("username", username);
        json.put("password", password);
         
        request.setEntity(new StringEntity(json.toString(), "UTF-8"));
         
        //发起网络请求，获取结果值
        HttpClientContext context = HttpClientContext.create();
        System.out.println("Send data:"+json.toString());
        CloseableHttpResponse response = httpclient.execute(request, context);  
        String responseBody = EntityUtils.toString(response.getEntity(), "UTF-8");
        
        //---
        //A JSONObject text must begin with '{' at 1 [character 2 line 1]
        //https://blog.csdn.net/u012860950/article/details/77884515
        int i = responseBody.indexOf("{");
        responseBody = responseBody.substring(i);
        //---A JSONObject text must begin with '{' at 1 [character 2 line 1]
        System.out.println("Get data:"+responseBody);

       
        //解析JSON数据
        JSONObject resp = new JSONObject(responseBody);
        int result = resp.optInt("code", -1);
        if (result != 0) {
            System.err.println("Login failed, code:" + result);
        }else{
            System.out.println("Login Success,id:" + resp.getJSONObject("data").getInt("id"));
            return  context.getCookieStore();
        }
        return null;
    }
    
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.print("Hello World!\n");
		try {
			authLogin("http://127.0.0.1/Koala_authLogin.php","jashliao","123456789");
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}