tourist/src/main/java/com/yingying/tourist/service/impl/WechatServiceImpl.java

package com.yingying.tourist.service.impl;

import java.io.UnsupportedEncodingException;

import org.springframework.stereotype.Service;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.yingying.tourist.common.HttpRequestSimple;
import com.yingying.tourist.domain.User;
import com.yingying.tourist.service.WechatService;

@Service
public class WechatServiceImpl implements WechatService {

	
	
//	private static String appId = "wx00b0504317473c38";
//	private static String appSecret = "88d1172e0a53444298efe61c763bf894";

	/**
	 *	 微信测试号
	 */
	private static String appId = "wx8a98f5f7df1e89b5";
	private static String appSecret = "f622f3300cb3d12d01f8e82ff1cce1ee";

    /**
     * 	获取微信服务端token
     *	@return
     */
	@Override
	public  String getToken() {
		String url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appId + "&secret="
				+ appSecret;
		String result = HttpRequestSimple.doGet(url);

		JSONObject jsonObject = JSONObject.parseObject(result);

		String token = jsonObject.getString("access_token");
		return token;
	}

	/**
	 * JS-SDK使用权限签名算法 获取ticket
	 * 
	 * @return
	 */
	@Override
	public  String getTicket() {

		String token = getToken();

		String url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + token + "&type=jsapi";
		String result = HttpRequestSimple.doGet(url);

		JSONObject jsonObject = JSONObject.parseObject(result);

		String ticket = jsonObject.getString("ticket");
		return ticket;
	}
	
	/**
	 * 通过code换取网页授权access_token
	 * 
	 * @param code
	 * @return
	 */
	@Override
	public String getAuthToken(String code) {
		
		String url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + appId + "&secret=" + appSecret + "&code=" + code + "&grant_type=authorization_code";
		String result = HttpRequestSimple.doGet(url);
		
		return result;		
	}
	
	
	@Override
	public User getWechatUser(String token, String openId) throws UnsupportedEncodingException {
		String url = "https://api.weixin.qq.com/sns/userinfo?access_token=" + token + "&openid=" + openId + "&lang=zh_CN";
		String result = HttpRequestSimple.doGet(url);
		
		String decodeResult = new String(result.getBytes("ISO-8859-1"), "UTF-8");
		
		User user = JSON.parseObject(decodeResult, User.class);
		
		return user;
	  
		
	}

}