EmploymentSite/src/main/java/com/hz/employmentsite/controller/WxController.java

package com.hz.employmentsite.controller;

import com.google.zxing.WriterException;
import com.hz.employmentsite.filter.exception.BaseResponse;
import com.hz.employmentsite.filter.exception.RespGenerstor;
import com.hz.employmentsite.services.service.WechatService;
import com.hz.employmentsite.util.QrCodeUtils;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.error.WxErrorException;
import org.apache.tomcat.util.buf.UDecoder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

@RestController
@RequestMapping("/api/wx")
@Slf4j
public class WxController {

    /*@Autowired
    private RemoteHelper remoteHelper;

    @GetMapping("/getWxToken")
    public String getWxToken() {
        Map<String, String> params = new HashMap<>();
        params.put("grant_type","client_credential");
        params.put("appid","wx765e6ec59e26c288");
        params.put("secret","a44d8034671866e957484f5ed4e1df48");
        remoteHelper.getJson(params, "https://api.weixin.qq.com/cgi-bin/token",null);

        return "";
    }*/

    @Autowired
    private WechatService wechatService;

    @Autowired
    private QrCodeUtils qrCodeUtils;

    @GetMapping("getOAuthUrl")
    public BaseResponse<String> getOAuthUrl(String redirectUrl) throws UnsupportedEncodingException {

        String url = wechatService.getOAuthUrl(URLDecoder.decode(redirectUrl, "UTF-8"));

        log.info("getOAuthUrl：" + url);

        return RespGenerstor.success(url);
    }


    @GetMapping("getOpenId")
    public BaseResponse<String> getOpenId(String code) throws WxErrorException {
        return RespGenerstor.success(wechatService.getOpenId(code));
    }

    @PostMapping("/sentMsg")
    public BaseResponse<String> sentMsg() throws Exception {
        Map<String, String> data = new HashMap<>();
        data.put("thing28", "张三");
        data.put("phone_number34", "134556456456");
        data.put("thing10", "开发");


        return RespGenerstor.success(wechatService.sendMsg("ow5Mm61JAlqqNhZzcV9lLqTDnBCs", UUID.randomUUID().toString(), "http://www.bowintek.com/hzyz/mobile/index.html/#/jobUserInfo/index?userId=60ea0d5b-a75c-11ed-a6c5-7085c2a9999e",
                "-R2xeAeey7rOKN5VAuUr8cFMsJFlFp7ksN7m6H5_5VU", data));
    }

    @GetMapping("/getQRCodeUrlToBase64")
    public BaseResponse<String> getQRCodeUrlToBase64(@RequestParam("url") String url, @RequestParam("userId") String userId, @RequestParam(required = false) Integer margin) throws IOException, WriterException {

        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        String fullUrl = wechatService.getQrcodeUrl(URLDecoder.decode(url, "UTF-8"), userId);

        qrCodeUtils.getQrCode(bos, fullUrl, margin);

        byte[] bytes = bos.toByteArray();
        Base64.Encoder encoder = Base64.getEncoder();
        String base64String = encoder.encodeToString(bytes);
        bos.close();

        return RespGenerstor.success(base64String);
    }

    @GetMapping("qrcodeVerify")
    public BaseResponse<Boolean> qrcodeVerify(@RequestParam("qrCodeId") String qrCodeId, @RequestParam(required = false) String openId) {
        return RespGenerstor.success(wechatService.qrcodeVerify(qrCodeId, openId));
    }

}