package com.blog.springboot.controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.blog.springboot.wx.service.WxService;
import com.blog.springboot.wx.util.SignUtil;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
/**
 * 微信公众号API
 * @author youcong
 * @date 2019-6-02
 */
@RestController
@RequestMapping("/wx_public_api")
@Api(tags = { 微信公众号api" },description = )
public class WxPublicApiController extends AbstractController{

    @Autowired
    private WxService wxService;
    
    
       *
        * 微信公众平台服务器配置验证
        * @param request
        * @param response
        
       @GetMapping
       @ApiOperation(微信公众平台服务器配置验证)
       void validate(HttpServletRequest request,HttpServletResponse response) {
            // 微信加密签名，signature结合了开发者填写的token参数和请求中的timestamp参数、nonce参数。
            String signature = request.getParameter(signature);
             时间戳
            String timestamp = request.getParameter(timestamp 随机数
            String nonce = request.getParameter(nonce 随机字符串
            String echostr = request.getParameter(echostr);

            PrintWriter out = null;
            try {
                out = response.getWriter();
                 通过检验signature对请求进行校验，若校验成功则原样返回echostr，否则接入失败
                if (SignUtil.checkSignature(signature,timestamp,nonce)) {
                    out.print(echostr);
                }
            } catch (IOException e) {
                e.printStackTrace();
                logger.error(e.getMessage());
                
            } finally {
                
                .close();
                ;
            }
        }

     *
      * 关注推送消息
      * @param request
      * @param response
      
     @PostMapping
     @ApiOperation(关注推送消息)
      about(HttpServletRequest request,1)"> {
                request.setCharacterEncoding(UTF-8);
            }  (UnsupportedEncodingException e) {
                e.printStackTrace();
                logger.error(e.getMessage(),e);
            }
            response.setContentType(text/html;charset=UTF-8);

             调用核心业务类接收消息、处理消息
            String respMessage = wxService.newMessageRequest(request);

             响应消息
            PrintWriter .print(respMessage);
            }  (IOException e) {
                e.printStackTrace();
                logger.error(e.getMessage(),e);
            } ;
            }
        }
}