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这篇文章主要介绍微信js-sdk+JAVA如何实现“分享到朋友圈”和“发送给朋友”功能，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
主要为以下实现步骤：
1.绑定域名
先登录微信公众平台进入“公众号设置”的“功能设置”里填写“JS接口安全域名”。（特别提示不需要加上http或者https,吃过亏）
2.页面引入js文件
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<script src="https://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
3.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: '', // 必填，公众号的唯一标识
timestamp: , // 必填，生成签名的时间戳
nonceStr: '', // 必填，生成签名的随机串
signature: '',// 必填，签名，见附录1
jsApiList: [] // 必填，需要使用的JS接口列表，所有JS接口列表见附录2
});4.通过ready接口处理成功验证
wx.ready(function(){
//详细代码
});5.通过error接口处理失败验证
wx.error(function(res){});详细页面代码
<script>
//微信分享朋友圈
$(function(){
/***用户点击分享到微信圈后加载接口接口*******/
var url=window.location.href.split('#')[0];
url = url.replace(/&/g, '%26');
console.log("url:"+url);
$.ajax({
url: "<%=basePath%>/lottery/shareToFriend.action?url="+url,
type: "POST",
async:true,
cache: false,
dataType: "json",
success: function(data){
wx.config({
debug: false,
appId: 'wx2948dfef9ef421ee',
timestamp:data.timeStamp,
nonceStr:data.nonceStr,
signature:data.signature,
jsApiList: [
'checkJsApi',
'onMenuShareTimeline',
'hideOptionMenu',
'onMenuShareAppMessage'
]
});
wx.ready(function(){
//wx.hideOptionMenu();/***隐藏分享菜单****/
wx.checkJsApi({
jsApiList: [
'getLocation',
'onMenuShareTimeline',
'onMenuShareAppMessage'
],
success: function (res) {
//alert(res.errMsg);
}
});
wx.onMenuShareAppMessage({
title: '刮刮乐',
desc: '刮刮乐开始啦',
link: '<%=basePath%>/lottery/lottery.action?lottery.id=${lottery.id}',
imgUrl: '<%=basePath%>/resources/qjc/img/start.png',
trigger: function (res) {
//alert('用户点击发送给朋友');
},
success: function (res) {
alert('您已获得抽奖机会，赶紧去赢大奖吧～～');
//分享之后增加游戏次数
$.ajax({
url: "<%=basePath%>/lottery/rewardPlayCount.action?openId=${openId}&lotteryId=${lottery.id}&shareType=friend",
type: "POST",
async:true,
cache: false,
dataType: "json",
success: function(data){
}
});
},
cancel: function (res) {
//alert('已取消');
},
fail: function (res) {
alert(res.errMsg);
}
});
// 2.2 监听“分享到朋友圈”按钮点击、自定义分享内容及分享结果接口
wx.onMenuShareTimeline({
title: '刮刮乐',
desc: '刮刮乐开始啦',
link: '<%=basePath%>/lottery/lottery.action?lottery.id=${lottery.id}',
imgUrl: '<%=basePath%>/resources/qjc/img/start.png',
trigger: function (res) {
//alert('用户点击分享到朋友圈');
},
success: function (res) {
alert('您已获得抽奖机会，赶紧去赢大奖吧～～');
//分享之后增加游戏次数
$.ajax({
url: "<%=basePath%>/lottery/rewardPlayCount.action?openId=${openId}&lotteryId=${lottery.id}&shareType=friendCircle",
type: "POST",
async:true,
cache: false,
dataType: "json",
success: function(data){
}
});
},
cancel: function (res) {
//alert('已取消');
},
fail: function (res) {
alert(res.errMsg);
}
});
wx.error(function (res) {
alert(res.errMsg);
});
});
},
error: function() {
alert('ajax request failed!!!!');
return;
}
});
});
</script>java后台action代码：
//微信分享
public void shareToFriend(){
HttpServletRequest request = ServletActionContext.getRequest();
String timeStamp = Sha1Util.getTimeStamp();//时间戳
String nonceStr = WxConfig.getUUID();//随机字符串，不长于32位
String url=request.getParameter("url");
String signature = WxConfig.getSignature("APPId", "APP_secret", url, timeStamp, nonceStr);
request.setAttribute("timeStamp", timeStamp);
request.setAttribute("nonceStr", nonceStr);
request.setAttribute("url", url);
request.setAttribute("signature", signature);
WXjssdk result = new WXjssdk(timeStamp,nonceStr,signature,url);
CommonUtil.returnMsg(ServletActionContext.getResponse(), new Gson().toJson(result));
}WxConfig.java代码
">//jsapi_ticket
public final static String WEIXIN_JSAPI_TICKET_URL ="https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi";
//access_token
public static String getAccessToken(String appId,String appSecret){
String access_token;
access_token = mapToken.get("accessToken");
if(access_token==null){
String url = HttpUtil.WEIXIN_HOST_API + "/cgi-bin/token?grant_type=client_credential&appid="+appId+"&secret="+appSecret;
String menuJsonStr = HttpUtil.get(url);
final Type type = new TypeToken<Map<String, Object>>() {}.getType();
final Map<Object, Object> accessTokenInfo = new Gson().fromJson(menuJsonStr, type);
try{
access_token = accessTokenInfo.get("access_token").toString();
Object expires_in = accessTokenInfo.get("expires_in");
mapToken.put("accessToken", access_token);
logger.info("access_token:"+access_token+";expires_in:"+expires_in);
}catch (JSONException e) {
access_token = null;
e.printStackTrace();
logger.error("errcode:{}:"+accessTokenInfo.get("errcode")+"errmsg:{}:"+accessTokenInfo.get("errmsg"));
}
}
return access_token;
}
//jsapi_ticket
public static String getJsapiTicket(String accessToken){
String ticket;
ticket = mapTicket.get("ticket");
if(ticket==null){
String url = HttpUtil.WEIXIN_HOST_API + "/cgi-bin/ticket/getticket?access_token="+accessToken+"&type=jsapi";
String menuJsonStr = HttpUtil.get(url);
final Type type = new TypeToken<Map<String, Object>>() {}.getType();
final Map<Object, Object> ticketInfo = new Gson().fromJson(menuJsonStr, type);
try{
ticket = ticketInfo.get("ticket").toString();
String expires_in = ticketInfo.get("expires_in").toString();
mapTicket.put("ticket", ticket);
logger.info("jsapi_ticket:"+ticket+";expires_in:"+expires_in);
}catch (JSONException e) {
ticket = null;
e.printStackTrace();
logger.error("ticket errcode:{}:"+ticketInfo.get("errcode")+"errmsg:{}:"+ticketInfo.get("errmsg"));
}
}
return ticket;
}
//生成随机字符串UUID
public static String getUUID(){
String uuid = UUID.randomUUID().toString().trim().replaceAll("-", "");
return uuid;
}
//JS-SDK Signature
public static String getSignature(String appId,String appSecret,String url,String timeStamp,String nonceStr){
String accessToken = getAccessToken(appId,appSecret);
String jsapi_ticket = getJsapiTicket(accessToken);
logger.info("accessToken==="+accessToken);
String signValue = "jsapi_ticket="+jsapi_ticket+"&noncestr="+nonceStr+"×tamp="+timeStamp+"&url="+url;
logger.info("微信JS-SDK权限验证的签名串："+signValue);
//这个签名.主要是给加载微信js使用.别和上面的搞混了.
String signature = Sha1Util.getSha1((signValue));
logger.info("微信JS-SDK权限验证的签名："+signature);
return signature;
}以上是“微信js-sdk+JAVA如何实现“分享到朋友圈”和“发送给朋友”功能”这篇文章的所有内容，感谢各位的阅读！希望分享的内容对大家有帮助，更多相关知识，欢迎关注亿速云行业资讯频道！
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