SpringBoot接入微信JSSDK,看这篇妥妥的

/**
 * Copyright © 2005-2020 <a href="http://www.jhmis.com/">jhmis</a> All rights reserved.
 */
package net.javadog.springbootwexin.common;

import com.fasterxml.jackson.annotation.JsonIgnore;

import java.util.LinkedHashMap;
import java.util.List;


/**
 * $.ajax后需要接受的JSON
 *
 */
public class AjaxJson {

    private boolean success = true;// 是否成功
    private String errorCode = "-1";//错误代码
    private String msg = "操作成功";// 提示信息
    private Long count;             //返回表格记录数量
    private List<?> data;           //返回表格数据
    private LinkedHashMap<String, Object> body = new LinkedHashMap<String, Object>();//封装json的map

    public static AjaxJson ok(){
        AjaxJson j = new AjaxJson();
        return j;
    }

    public static AjaxJson ok(String msg){
        AjaxJson j = new AjaxJson();
        j.setMsg(msg);
        return j;
    }

    public static AjaxJson ok(String msg, Object object){
        AjaxJson j = new AjaxJson();
        j.setMsg(msg);
        j.setResult(object);
        return j;
    }

    public static AjaxJson ok(Object object){
        AjaxJson j = new AjaxJson();
        j.setResult(object);
        return j;
    }

    public static AjaxJson fail(String errorMsg){
        AjaxJson j = new AjaxJson();
        j.setSuccess(false);
        j.setErrorCode("999");//默认错误码
        j.setMsg(errorMsg);
        return j;
    }

    public static AjaxJson fail(String errorCode,String errorMsg){
        AjaxJson j = new AjaxJson();
        j.setSuccess(false);
        j.setErrorCode(errorCode);
        j.setMsg(errorMsg);
        return j;
    }
    //返回不分页的layui表数据
    public static AjaxJson layuiTable(List<?> list){
        AjaxJson j = new AjaxJson();
        j.setSuccess(true);
        j.setCount(Long.valueOf(list.size()));
        j.setData(list);
        return j;
    }
    public LinkedHashMap<String, Object> getBody() {
        return body;
    }

    public void setBody(LinkedHashMap<String, Object> body) {
        this.body = body;
    }

    public void put(String key, Object value){//向json中添加属性，在js中访问，请调用data.map.key
        body.put(key, value);
    }
    
    public void remove(String key){
        body.remove(key);
    }

    /**
     * 直接设置result内容
     * @param result
     */
    public void setResult(Object result){
        body.put("result", result);
    }
    @JsonIgnore//返回对象时忽略此属性
    public Object getResult(){
        return body.get("result");
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {//向json中添加属性，在js中访问，请调用data.msg
        this.msg = msg;
    }


    public boolean isSuccess() {
        return success;
    }

    public void setSuccess(boolean success) {
        this.success = success;
    }
    

    public void setErrorCode(String errorCode) {
        this.errorCode = errorCode;
    }

    public String getErrorCode() {
        return errorCode;
    }

    public Long getCount() {
        return count;
    }

    public void setCount(Long count) {
        this.count = count;
    }

    public List<?> getData() {
        return data;
    }

    public void setData(List<?> data) {
        this.data = data;
    }
}

package net.javadog.springbootwexin.controller;
import net.javadog.springbootwexin.common.AjaxJson;
import net.javadog.springbootwexin.service.WxService;
import net.javadog.springbootwexin.utils.WxUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.Map;

/**
 * 一个低端小气没档次的程序狗 JavaDog
 * blog.javadog.net
 *
 * @BelongsProject: springboot-wexin
 * @BelongsPackage: net.javadog.springbootwexin.controller
 * @Author: hdx
 * @CreateTime: 2020-02-14 14:52
 * @Description: 微信初始化接入Controller控制器
 */
@RestController
@RequestMapping("/weixin")
public class WxInitController {
    protected Logger logger = LoggerFactory.getLogger(getClass());

    @Autowired
    private WxService wxService;

    /**
    *@Author: hdx
    *@CreateTime: 20:39 2020/2/14
    *@param:  shareUrl 分享url地址
    *@Description: 初始化微信JSSDK Config信息
     1.先通过appId和appSecret参数请求指定微信地址 获取AccessToken
     2.在通过第一步中的AccessToken作为参数请求微信地址 获取jsapi_ticket临时票据(此处不考虑调用频率，使用者根据情况放入缓存或定时任务)
     3.通过第二步的JssdkGetticket和timestamp,nonceStr,url作为参数请求微信地址，获取签名signature
     4.将第三步获得的signature和jsapi_ticket,nonceStr,timestamp,url返回给前端，作为Config初始化验证的信息
    */
    @RequestMapping("/initWXJSSDKConfigInfo")
    public AjaxJson initWXJSConfig (@RequestParam(required = false) String url) throws Exception{
        logger.info("url=" + url);
        String json = "";
        try {
            Map map = wxService.initJSSDKConfig(url);
            json = WxUtil.mapToJson(map);
        }catch (Exception e){
            AjaxJson.fail(e.getMessage());
        }
        return AjaxJson.ok(json);
    }

}

package net.javadog.springbootwexin.service;

import lombok.Getter;
import net.javadog.springbootwexin.utils.WxUtil;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

/**
 * 一个低端小气没档次的程序狗 JavaDog
 * blog.javadog.net
 *
 * @BelongsProject: springboot-wexin
 * @BelongsPackage: net.javadog.springbootwexin.service
 * @Author: hdx
 * @CreateTime: 2020-02-14 20:43
 * @Description: 微信相关service
 */
@Service
public class WxService {
    @Getter
    private static String AppId;
    @Value("${wx.appId}")
    public void setAppId(String appId) {
        AppId = appId;
    }
    /**
    *@Author: hdx
    *@CreateTime: 20:46 2020/2/14
    *@param:  shareUrl 分享的url
    *@Description: 初始化JSSDKConfig
    */
    public Map initJSSDKConfig(String url) throws Exception {
        //获取AccessToken
        String accessToken = WxUtil.getJSSDKAccessToken();
        //获取JssdkGetticket
        String jsapiTicket = WxUtil.getJssdkGetticket(accessToken);
        String timestamp = Long.toString(System.currentTimeMillis() / 1000);
        String nonceStr = UUID.randomUUID().toString();
        String signature = WxUtil.buildJSSDKSignature(jsapiTicket,timestamp,nonceStr,url);
        Map<String,String> map = new HashMap<String,String>();
        map.put("url", url);
        map.put("jsapi_ticket", jsapiTicket);
        map.put("nonceStr", nonceStr);
        map.put("timestamp", timestamp);
        map.put("signature", signature);
        map.put("appid", AppId);
        return map;
    }
}

package net.javadog.springbootwexin.utils;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import lombok.Getter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.web.client.RestTemplate;
import java.security.MessageDigest;
import java.util.Map;

/**
 * 一个低端小气没档次的程序狗 JavaDog
 * blog.javadog.net
 *
 * @BelongsProject: springboot-wexin
 * @BelongsPackage: net.javadog.springbootwexin.utils
 * @Author: hdx
 * @CreateTime: 2020-02-14 21:19
 * @Description: 微信工具类
 */
@Component
public class WxUtil {
    @Getter
    protected static String AppId;
    @Getter
    protected static String AppSecret;
    @Getter
    protected static String JssdkAccesstokenUrl;
    @Getter
    protected static String JssdkGetticketUrl;

    @Value("${wx.appId}")
    public void setAppId(String appId) {
        AppId = appId;
    }

    @Value("${wx.appSecret}")
    public void setAppSecret(String appSecret) {
        AppSecret = appSecret;
    }

    @Value("${wx.jssdk_accesstoken_url}")
    public void setJssdkAccesstokenUrl(String jssdkAccesstokenUrl) {
        JssdkAccesstokenUrl = jssdkAccesstokenUrl;
    }

    @Value("${wx.jssdk_getticket_url}")
    public void setJssdkGetticketUrl(String jssdkGetticketUrl) {
        JssdkGetticketUrl = jssdkGetticketUrl;
    }

    /**
    *@Author: hdx
    *@CreateTime: 21:31 2020/2/14
    *@param:  * @param null
    *@Description:
    
    */
    public static String getJSSDKAccessToken() {
        String token = null;
        String url = JssdkAccesstokenUrl.replaceAll("APPID",
                AppId).replaceAll("APPSECRET",
                AppSecret);
        String json = postRequestForWeiXinService(url);
        Map map = jsonToMap(json);
        if (map != null) {
            token = (String) map.get("access_token");
        }
        return token;
    }

    /**
    *@Author: hdx
    *@CreateTime: 21:40 2020/2/14
    *@param:  * @param null
    *@Description: 根据accessToken获取JssdkGetticket

    */
    public static String getJssdkGetticket(String accessToken) {
        String url = JssdkGetticketUrl.replaceAll("ACCESS_TOKEN", accessToken);
        String json = postRequestForWeiXinService(url);
        Map map = jsonToMap(json);
        String jsapi_ticket = null;
        if (map != null) {
            jsapi_ticket = (String) map.get("ticket");
        }
        return jsapi_ticket;
    }

    /**
    *@Author: hdx
    *@CreateTime: 21:41 2020/2/14
    *@param:ticket 根据accessToken生成的JssdkGetticket
    *@param:timestamp 支付签名时间戳，注意微信jssdk中的所有使用timestamp字段均为小写。但最新版的支付后台生成签名使用的timeStamp字段名需大写其中的S字符
    *@param:nonceStr 随机字符串
    *@param:url 当前网页的URL
    *@Description: 构建分享链接的签名

    */
    public static String buildJSSDKSignature(String ticket,String timestamp,String nonceStr ,String url) throws Exception {
        String orderedString = "jsapi_ticket=" + ticket
                + "&noncestr=" + nonceStr + "×tamp=" + timestamp
                + "&url=" + url;

        return sha1(orderedString);
    }

    /**
     * sha1 加密JSSDK微信配置参数获取签名。
     *
     * @return
     */
    public static String sha1(String orderedString) throws Exception {
        String ciphertext = null;
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        byte[] digest = md.digest(orderedString.getBytes());
        ciphertext = byteToStr(digest);
        return ciphertext.toLowerCase();
    }
    /**
     * 将字节数组转换为十六进制字符串
     *
     * @param byteArray
     * @return
     */
    private static String byteToStr(byte[] byteArray) {
        String strDigest = "";
        for (int i = 0; i < byteArray.length; i++) {
            strDigest += byteToHexStr(byteArray[i]);
        }
        return strDigest;
    }
    /**
     * 将字节转换为十六进制字符串
     *
     * @param mByte
     * @return
     */
    private static String byteToHexStr(byte mByte) {
        char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
        char[] tempArr = new char[2];
        tempArr[0] = Digit[(mByte >>> 4) & 0X0F];
        tempArr[1] = Digit[mByte & 0X0F];

        String s = new String(tempArr);
        return s;
    }
    /**
    *@Author: hdx
    *@CreateTime: 21:49 2020/2/14
    *@param:  map
    *@Description:  mapToJson

    */
    public static String mapToJson(Map map){
        Gson gson = new Gson();
        String json = gson.toJson(map);
        return json;
    }

    /**
    *@Author: hdx
    *@CreateTime: 21:37 2020/2/14
    *@param:  json
    *@Description: jsonToMap

    */
    private static Map jsonToMap(String json) {
        Gson gons = new Gson();
        Map map = gons.fromJson(json, new TypeToken<Map>(){}.getType());
        return map;
    }

    /**
    *@Author: hdx
    *@CreateTime: 21:36 2020/2/14
    *@param:  * @param null
    *@Description: 调取微信接口

    */
    private static String postRequestForWeiXinService(String getAccessTokenUrl) {
        RestTemplate restTemplate = new RestTemplate();
        ResponseEntity<String> postForEntity = restTemplate.postForEntity(getAccessTokenUrl, null, String.class);
        String json = postForEntity.getBody();
        return json;
    }

}

package net.javadog.springbootwexin;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class SpringbootWexinApplication {

    public static void main(String[] args) {
        SpringApplication.run(SpringbootWexinApplication.class, args);
    }

}

spring:
  profiles:
    #激活配置文件
    active: prod
  #配置静态资源路径
  resources:
    static-locations: classpath:/static/

#日志相关
logging:
  #配置文件日志路径
  config: classpath:logback-spring.xml

#微信相关配置
wx:
  #appId （到时候换成自己公众号的）
  appId: wx4ad618620f8c3528
  #appSecret（到时候换成自己公众号的）
  appSecret: b772c7863b29e270aa86e40f9b9e6215
  #参考以下文档获取access_token（有效期7200秒，开发者必须在自己的服务全局缓存access_token）
  jssdk_accesstoken_url: https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET
  #用第一步拿到的access_token 采用http GET方式请求获得jsapi_ticket（有效期7200秒，开发者必须在自己的服务全局缓存jsapi_ticket）
  jssdk_getticket_url: https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi

# 开发环境配置
spring:
  profiles: dev

#端口设置
server:
  port: 8000

# 生产环境配置
spring:
  profiles: prod

#端口设置
server:
  port: 8002

# 生产环境配置
spring:
  profiles: prod

#端口设置
server:
  port: 8002

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>测试jssdk</title>
    <!--引入微信JS文件-->
    <script src="https://res.wx.qq.com/open/js/jweixin-1.2.0.js" type="text/javascript"></script>
    <!--引入jquery-->
    <script src="http://libs.baidu.com/jquery/2.1.1/jquery.min.js"></script>
<script>
    //获取当前页面地址
    var url = (window.location.href).split('#')[0];
    //调取后台接口获取权限验证配置
    $.ajax({
        type : "get",
        /*！！！切记到时候改成自己的*/
        url : "http://wxjssdk.javadog.net/weixin/initWXJSSDKConfigInfo?url="+url,//替换网址，xxx根据自己jssdk文件位置修改
        success : function(data){
            console.log("返回值为=" + data);
            var msg = "";
            if(data.success){
                msg = JSON.parse(data.msg);
            }
            //通过config接口注入权限验证配置
            wx.config({
                debug: true, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印
                appId: msg.appid,
                timestamp: msg.timestamp,
                nonceStr: msg.nonceStr,
                signature: msg.signature,
                /*！！！切记到时候按需自己选择，参考文档填写*/
                jsApiList: [
                    "onMenuShareAppMessage",//分享给好友
                    "chooseImage"
                ]
            });
        },
        error:function(data){
            alert(JSON.stringify(data));
        }
    });

    //通过ready接口处理成功验证
    wx.ready(function (){
        wx.checkJsApi({
            jsApiList: ['chooseImage','onMenuShareAppMessage'],
            success: function (res) {JSON.stringify(res)}
        });
        var shareData = {
            title: '标题',
            desc: '简介',//这里请特别注意是要去除html
            link: url,
            imgUrl: 'http://b2b.haier.com/shop/userfiles/sys/1/files/201912/af656b3a-8c2c-424d-937b-a8035deb78f5.jpg'
        };
        wx.onMenuShareAppMessage(shareData);


    });
    //从相册选取图片
    function wxchooseImage(){
        wx.chooseImage({
            count: 1, // 默认9
            sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有
            sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
            success: function (res) {
                var localIds = res.localIds; // 返回选定照片的本地ID列表，localId可以作为img标签的src属性显示图片
            }
        });
    }
</script>
</head>
<body>
<button onclick="wxchooseImage();">点我选取相册</button>
</body>
</html>

server
    {
        listen   80;                           #监听端口设为 80。
        server_name  wxjssdk.javadog.net;      #请绑定自己的前缀域名。
        location / {
        proxy_set_header HOST $host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass http://127.0.0.1:8002/;
      }
    }

#一定把自己公众号上的txt验证文件放上!!!
B0vMQLCguxRzP1Rc

1.先通过appId和appSecret参数请求指定微信地址 获取AccessToken
 2.在通过第一步中的AccessToken作为参数请求微信地址 获取jsapi_ticket临时票据(此处不考虑调用频率，使用者根据情况放入缓存或定时任务)
 3.通过第二步的JssdkGetticket和timestamp,nonceStr,url作为参数请求微信地址，获取签名signature
 4.将第三步获得的signature和jsapi_ticket,nonceStr,timestamp,url返回给前端，作为Config初始化验证的信息