小潘杂谈

关于微信自定义分享功能的实现代码

时间：2020-09-07 16:00:09 作者：重庆seo小潘来源：

本篇文章给大家分享的内容是关于微信自定义分享功能的实现代码,内容很详细,有需要的朋友可以参考一下,希望可以帮助到你们. 前端时间,开发了一个资讯类的项目,但销售部门进行微信推广时,分享的链接直接是网页链接加分享符号,即难看又不正规,于是研究了一下微

本篇文章给大家分享的内容是关于微信自定义分享功能的实现代码,内容很详细,有需要的朋友可以参考一下,希望可以帮助到你们.

前端时间,开发了一个资讯类的项目,但销售部门进行微信推广时,分享的链接直接是网页链接加分享符号,即难看又不正规,于是研究了一下微信自定义的分享功能

前期准备工作:

1.认证公众号的appId,appSecret

2.各种获取微信信息链接(此部分查找微信自定义分享API,地址:https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141115)# 获取access_token请求地址getAccessTokenUrl: https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s#获取accessTokengetAccessTokenOAuthUrl: https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code# 获取用户基本信息请求地址getUserInfoUrl: https://api.weixin.qq.com/sns/userinfo?access_token=%s&openid=%s&lang=zh_CN#获取codegetCodeUrl: https://open.weixin.qq.com/connect/oauth2/authorize?appid=%s&redirect_uri=%s&response_type=%s&scope=%s&state=%s#wechat_redirect#获取ticketgetTicketUrl: https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=%s&type=jsapi

3.controller层/*** 微信配置信息实体*/@Autowiredprivate WeiXinProperties weiXinProperties;//微信参数private String accessToken;private String jsApiTicket;//获取参数的时刻private Long getTiketTime = 0L;private Long getTokenTime = 0L;//参数的有效时间,单位是秒(s)private Long tokenExpireTime = 0L;private Long ticketExpireTime = 0L; /*** 微信自定义分享*/@RequestMapping(value = "/getShareInfo", method = RequestMethod.POST)public Map<String, String> getShareInfo(HttpServletRequest request,HttpServletResponse response, String url) {//当前时间long now = System.currentTimeMillis();//判断accessToken是否已经存在或者token是否过期if (StringUtils.isBlank(accessToken) || (now - getTokenTime > tokenExpireTime * 1000)) {JSONObject tokenInfo = getAccessToken();if (tokenInfo != null) {accessToken = tokenInfo.getString("access_token");tokenExpireTime = tokenInfo.getLongValue("expires_in");//获取token的时间getTokenTime = System.currentTimeMillis();log.info("accessToken====>" + accessToken);log.info("tokenExpireTime====>" + tokenExpireTime + "s");log.info("getTokenTime====>" + getTokenTime + "ms");} else {log.info("====>tokenInfo is null~");log.info("====>failure of getting tokenInfo,please do some check~");}}//判断jsApiTicket是否已经存在或者是否过期if (StringUtils.isBlank(jsApiTicket) || (now - getTiketTime > ticketExpireTime * 1000)) {JSONObject ticketInfo = getJsApiTicket(accessToken);if (ticketInfo != null) {log.info("ticketInfo====>" + ticketInfo.toJSONString());jsApiTicket = ticketInfo.getString("ticket");ticketExpireTime = ticketInfo.getLongValue("expires_in");getTiketTime = System.currentTimeMillis();log.info("jsApiTicket====>" + jsApiTicket);log.info("ticketExpireTime====>" + ticketExpireTime + "s");log.info("getTiketTime====>" + getTiketTime + "ms");} else {log.info("====>ticketInfo is null~");log.info("====>failure of getting tokenInfo,please do some check~");}}//生成微信权限验证的参数Map<String, String> wechatParam = makeWXTicket(jsApiTicket, url);return wechatParam;}//获取accessTokenprivate JSONObject getAccessToken() {//String accessTokenUrl = https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET//获取微信端的accessTokenString requestUrl = String.format(weiXinProperties.getGetAccessTokenUrl(), weiXinProperties.getAppId(), weiXinProperties.getAppSecret());String result = send(requestUrl);JSONObject jsonObject = JSON.parseObject(result);return jsonObject;}//获取ticketprivate JSONObject getJsApiTicket(String access_token) {//String apiTicketUrl = https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi// 通过acessToken 获取ticketString requestUrl = String.format(weiXinProperties.getGetTicketUrl(), access_token);String result = send(requestUrl);JSONObject jsonObject = JSON.parseObject(result);return jsonObject;}//生成微信权限验证的参数public Map<String, String> makeWXTicket(String jsApiTicket, String url) {Map<String, String> ret = new HashMap<String, String>();String nonceStr = createNonceStr();String timestamp = createTimestamp();String string1;String signature = "";//注意这里参数名必须全部小写，且必须有序string1 = "jsapi_ticket=" + jsApiTicket +"&noncestr=" + nonceStr +"&timestamp=" + timestamp +"&url=" + url;log.info("String1=====>" + string1);try {MessageDigest crypt = MessageDigest.getInstance("SHA-1");crypt.reset();crypt.update(string1.getBytes("UTF-8"));signature = byteToHex(crypt.digest());log.info("signature=====>" + signature);} catch (NoSuchAlgorithmException e) {log.error("WeChatController.makeWXTicket=====Start");log.error(e.getMessage(), e);log.error("WeChatController.makeWXTicket=====End");} catch (UnsupportedEncodingException e) {log.error("WeChatController.makeWXTicket=====Start");log.error(e.getMessage(), e);log.error("WeChatController.makeWXTicket=====End");}ret.put("url", url);ret.put("jsapi_ticket", jsApiTicket);ret.put("nonceStr", nonceStr);ret.put("timestamp", timestamp);ret.put("signature", signature);ret.put("appid", weiXinProperties.getAppId());return ret;}/*** 发送请求** @param url* @return* @throws Exception*/String send(String url) {return HttpClientTools.post(url);}//字节数组转换为十六进制字符串private static String byteToHex(final byte[] hash) {Formatter formatter = new Formatter();for (byte b : hash) {formatter.format("%02x", b);}String result = formatter.toString();formatter.close();return result;}//生成随机字符串private static String createNonceStr() {return UUID.randomUUID().toString();}//生成时间戳private static String createTimestamp() {return Long.toString(System.currentTimeMillis() / 1000);}

4.引入share.js.要分享的页面

$(function(){var url = location.href.split('#').toString();//url不能写死$.ajax({type : "post",url : "/user/login/getShareInfo",dataType : "json",async : false,data:{url:url},success : function(data) {wx.config({debug: false,////生产环境需要关闭debug模式appId: data.appid,//appId通过微信服务号后台查看timestamp: data.timestamp,//生成签名的时间戳nonceStr: data.nonceStr,//生成签名的随机字符串signature: data.signature,//签名jsApiList: [//需要调用的JS接口列表'checkJsApi',//判断当前客户端版本是否支持指定JS接口'onMenuShareTimeline',//分享给好友'onMenuShareAppMessage'//分享到朋友圈]});},error: function(xhr, status, error) {//alert(status);//alert(xhr.responseText);}})});

5.在要分享的页面中引入,微信分享的核心js和share.js

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