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WechatController.java
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WechatController.java
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package com.imooc.controller;
import com.imooc.config.ProjectUrlConfig;
import com.imooc.enums.ResultEnum;
import com.imooc.exception.SellException;
import com.imooc.utils.JsonUtil;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import java.net.URLEncoder;
/**
* Created by SqMax on 2018/3/23.
*/
@Controller
@RequestMapping("/wechat")
@Slf4j
public class WechatController {
@Autowired
private WxMpService wxMpService;
@Autowired
private WxMpService wxOpenService;
@Autowired
private ProjectUrlConfig projectUrlConfig;
@GetMapping("/authorize")
public String authorize(@RequestParam("returnUrl") String returnUrl){
// WxMpService wxMpService=new WxMpServiceImpl();
//1. 配置
//2.调用方法
String url=projectUrlConfig.getWechatMpAuthorize()+"/sell/wechat/userInfo";
String redirectUrl=wxMpService.oauth2buildAuthorizationUrl(url,WxConsts.OAUTH2_SCOPE_BASE, URLEncoder.encode(returnUrl));
log.info("【微信网页授权】获取code,redirectUrl={}",redirectUrl);
return "redirect:"+redirectUrl;//重定向到下面一个方法
}
@GetMapping("/userInfo")
public String userInfo(@RequestParam("code") String code,
@RequestParam("state") String returnUrl){
WxMpOAuth2AccessToken wxMpOAuth2AccessToken=new WxMpOAuth2AccessToken();
try {
wxMpOAuth2AccessToken=wxMpService.oauth2getAccessToken(code);
}catch (WxErrorException e){
log.error("【微信网页授权】,{}",e);
throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(),e.getError().getErrorMsg());
}
String openId=wxMpOAuth2AccessToken.getOpenId();
log.info("【微信网页授权】获取openid,returnUrl={}",returnUrl);
return "redirect:"+ returnUrl+"?openid="+openId;
}//以上两个方法是SDK方式微信网页授权的过程,
// 访问http://sqmax.natapp1.cc/sell/wechat/authorize?returnUrl=http://www.imooc.com,
//最终将会跳转到这个链接:http://www.imooc.com?openid={openid}
//微信登陆
@GetMapping("/qrAuthorize")
public String qrAuthorize(@RequestParam("returnUrl") String returnUrl){
String url=projectUrlConfig.getWechatOpenAuthorize()+"/sell/wechat/userInfo";
String redirectUrl=wxOpenService.buildQrConnectUrl(url,WxConsts.QRCONNECT_SCOPE_SNSAPI_LOGIN,URLEncoder.encode(returnUrl));
return "redirect:"+redirectUrl;
}
@GetMapping("/qrUserInfo")
public String qrUserInfo(@RequestParam("code") String code,
@RequestParam("state") String returnUrl){
WxMpOAuth2AccessToken wxMpOAuth2AccessToken=new WxMpOAuth2AccessToken();
try{
wxMpOAuth2AccessToken=wxOpenService.oauth2getAccessToken(code);
}catch (WxErrorException e){
log.error("【微信网页】{}",e);
throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(),e.getError().getErrorMsg());
}
log.info("wxMpOAuth2AccessToken={}", JsonUtil.toJson(wxMpOAuth2AccessToken));
String openId=wxMpOAuth2AccessToken.getOpenId();
return "redirect:"+returnUrl+"?openid="+openId;
}
}