package com.doumee.core.utils;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.HttpURLConnection;
import java.net.URL;


/**
 * <p>
 * 公共方法类
 * </p>
 * <p>
 * 提供有关日期的实用方法集
 * </p>
 * 
 * @author www.doumee.com
 * @version 1.0
 * 
 */

public class HttpUtils {
	/**
	 * 原生 Java HTTP 请求
	 */
	public static String doHttpPost(String url, String params) throws Exception {
	
	System.out.println(url);
	System.out.println(params);
	
		URL restURL = new URL(url);
		HttpURLConnection conn = (HttpURLConnection) restURL.openConnection();
		conn.setRequestMethod("POST");
		conn.setDoOutput(true);
		conn.setRequestProperty("Content-type", "application/x-www-form-urlencoded;charset=utf-8");
		
		PrintStream ps = new PrintStream(conn.getOutputStream());
        ps.print(params);
        ps.close();
		
        BufferedReader bReader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
        String line, resultStr = "";

        while (null != (line = bReader.readLine()))
            resultStr += line;
        
        bReader.close();
		
		return resultStr;
	}

	/**
	 * 简单 GET 请求（原始 API 版），返回文本。
	 * 
	 * @param url 请求目标地址
	 * @return 响应内容（如 HTML，JSON 等）
	 */
	public static String doHttpGet(String url) throws Exception {
        BufferedReader bReader = new BufferedReader(new InputStreamReader(new URL(url).openStream(), "UTF-8"));
        String line, resultStr = "";

        while (null != (line = bReader.readLine()))
            resultStr += line;
        
        bReader.close();
		
		return resultStr;
	}
}