公众号分享接口用法

/** * 调用微信公众平台接口 * @author cx * @see http://mp.weixin.qq.com/wiki/home/index.html */var wxopen = (function($,wxopen){ wxopen.service = "../../activity/waprequest.htm";//服务地址 wxopen.debug
= true;//是否开启调试模式 wxopen.timestamp = "";//生成签名的时间戳 wxopen.nonceStr = "";//生成签名的随机串 wxopen.signature = "";//签名 wxopen.shareData = {};//分享内容 //必填，需要使用的JS接口列表，所有JS接口列表见附录2 wxopen.jsApiList = ['checkJsApi', 'onMenuShareTimeline', 'onMenuShareAppMessage', 'onMenuShareQQ',
'onMenuShareWeibo', 'hideMenuItems', 'showMenuItems', 'hideAllNonBaseMenuItem', 'showAllNonBaseMenuItem', 'translateVoice', 'startRecord', 'stopRecord', 'onRecordEnd', 'playVoice', 'pauseVoice', 'stopVoice', 'uploadVoice', 'downloadVoice', 'chooseImage', 'previewImage',
'uploadImage', 'downloadImage', 'getNetworkType', 'openLocation', 'getLocation', 'hideOptionMenu', 'showOptionMenu', 'closeWindow', 'scanQRCode', 'chooseWXPay', 'openProductSpecificView', 'addCard', 'chooseCard', 'openCard' ]; /*微信API*/ wxopen.API={ oauth2:"https://open.weixin.qq.com/connect/oauth2/authorize"
}; /** * 初始微信JS-SDK */ wxopen.initJSSDK=function(data,jsonp){ wxopen.shareData = data||wxopen.shareData;//分享信息 var data = {}; data["interfaceCode"] = "weiXinOpen.config"; data["appid"] = wxopen.shareData.appid; data["url"] = window.location.href; wxopen.callServ(wxopen.service,data,callServiceBack,jsonp);
//回调函数 function callServiceBack(data){ wxopen.timestamp = data.body.timestamp; wxopen.nonceStr = data.body.nonceStr; wxopen.signature = data.body.signature; wxopen.config(); } }; /** * OAuth2.0鉴权、网页授权登陆

* 微信登陆则跳转至微信授权登陆页面，否则不做任何处理 */ wxopen.initOAuth2=function(data){ if(wxopen.isWeiXin){ window.location=wxopen.authorize(data); } }; /** * 通过config接口注入权限验证配置 */ wxopen.config=function(){ /* * 通过config接口注入权限验证配置 */ wx.config({ debug: wxopen.debug, //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:wxopen.shareData.appid, //必填，公众号的唯一标识 timestamp:wxopen.timestamp, //必填，生成签名的时间戳 nonceStr:wxopen.nonceStr, //必填，生成签名的随机串 signature:wxopen.signature,//必填，签名，见附录1 jsApiList:wxopen.jsApiList//必填，需要使用的JS接口列表，所有JS接口列表见附录2 }); /* * config信息验证后会执行ready方法，所有接口调用都必须在config接口获得结果之后，
* config是一个客户端的异步操作，所以如果需要在页面加载时就调用相关接口，则须把相关接口放在ready函数中调用来确保正确执行。 * 对于用户触发时才调用的接口，则可以直接调用，不需要放在ready函数中。 */ wx.ready(function () { wxopen.onMenuShareAppMessage();//获取“分享给朋友”按钮点击状态及自定义分享内容接口 wxopen.onMenuShareTimeline()//获取“分享到朋友圈”按钮点击状态及自定义分享内容接口 }); /*
* config信息验证失败会执行error函数，如签名过期导致验证失败，具体错误信息可以打开config的debug模式查看， * 也可以在返回的res参数中查看，对于SPA可以在这里更新签名。 */ wx.error(function (res) { if(wxopen.debug){ alert(res.errMsg); } }); }; /** * 获取“分享给朋友”按钮点击状态及自定义分享内容接口 */ wxopen.onMenuShareAppMessage=function(){ wx.onMenuShareAppMessage({
title: wxopen.shareData.title, desc: wxopen.shareData.desc, link: wxopen.shareData.link, imgUrl: wxopen.shareData.imgUrl, trigger: function (res) { wxopen.doCallback('shareAppMessage',['trigger',res]); }, success: function (res) { wxopen.doCallback('shareAppMessage',['success',res]);
}, cancel: function (res) { wxopen.doCallback('shareAppMessage',['cancel',res]); }, fail: function (res) { wxopen.doCallback('shareAppMessage',['fail',res]); } }); }; /** * 获取“分享到朋友圈”按钮点击状态及自定义分享内容接口 */ wxopen.onMenuShareTimeline=function(){ wx.onMenuShareTimeline({
title: wxopen.shareData.title, link: wxopen.shareData.link, imgUrl: wxopen.shareData.imgUrl, trigger: function (res) { wxopen.doCallback('shareTimeline',['trigger',res]); }, success: function (res) { wxopen.doCallback('shareTimeline',['success',res]); }, cancel:
function (res) { wxopen.doCallback('shareTimeline',['cancel',res]); }, fail: function (res) { wxopen.doCallback('shareTimeline',['fail',res]); } }); }; /** * 用户同意授权，获取code、 * 微信环境则返回获取code链接，否则返回默认链接 */ wxopen.authorize=function(data){ var appid = data.appid||"";//公众号的唯一标识
var redirectUri = data.redirectUri||"";//授权后重定向的回调链接地址，请使用urlencode对链接进行处理 /* * 应用授权作用域，snsapi_base （不弹出授权页面，直接跳转，只能获取用户openid），snsapi_userinfo * （弹出授权页面，可通过openid拿到昵称、性别、所在地。并且，即使在未关注的情况下，只要用户授权，也能获取其信息） */ var scope = data.scope||"snsapi_base "; var state
= data.state||"";//重定向后会带上state参数，开发者可以填写a-zA-Z0-9的参数值，最多128字节 var defaultUri = data.defaultUri||"";//非微信浏览器打开默认Uri,若为空则不进行处理 var url = ""; if(wxopen.isWeiXin){ var strBuf = new StringBuffer(); strBuf.append(wxopen.API.oauth2) .append("?").append("appid=").append(appid)
.append("&").append("redirect_uri=").append(encodeURIComponent(redirectUri)) .append("&").append("response_type=").append("code") .append("&").append("scope=").append(scope) .append("&").append("state=").append(state) .append("#wechat_redirect"); url = strBuf.toString();
}else{ url = defaultUri; } return url; }; /** * 拉取用户信息 snsapiBase */ wxopen.snsapiBase=function(appid,code,jsonp,fn){ var data = {}; data["interfaceCode"] = "weiXinOpen.snsapiBase"; data["appid"] = appid; data["code"] = code; wxopen.callServ(wxopen.service,data,callServiceBack,jsonp);
//回调函数 function callServiceBack(data){ var data = data.body||{}; wxopen.doCallback(fn,[data]); } }; /** * 拉取用户信息 snsapiUserinfo */ wxopen.snsapiUserinfo =function(appid,code,jsonp,fn){ var data = {}; data["interfaceCode"] = "weiXinOpen.snsapiUserinfo"; data["appid"]
= appid; data["code"] = code; wxopen.callServ(wxopen.service,data,callServiceBack,jsonp); //回调函数 function callServiceBack(data){ var data = data.body||{}; wxopen.doCallback(fn,[data]); } }; /** * 调用服务 */ wxopen.callServ=function(service,param,callback,jsonp){
jsonp = jsonp||false; if(jsonp){//跨域调用 wxopen.callJSONPService(service,param,callback); }else{//非跨域调用 wxopen.callService(service,param,callback); } }; /** * 跨域调用后台服务 */ wxopen.callJSONPService=function(service,param,callback){ var callback=callback||function(){};
var param = param||{}; param["jsonp"] = true; $.ajax({ url : service, data:param, dataType:"jsonp", type : "get", jsonp: "callbackName",//传递给请求处理程序或页面的，用以获得jsonp回调函数名的参数名(默认为:callback) jsonpCallback:"success",//自定义的jsonp回调函数名称，默认为jQuery自动生成的随机函数名 success :
function(data){ data = {head:{respCode:data.code,respDesc:data.message},body:data.data}; callback.apply(this,[data]); }, error:function(e,t){ data = {head:{respCode:-1,respDesc:e.message},body:{}}; callback.apply(this,[data]); } }); }; /** * 调用后台服务 */ wxopen.callService=function(service,param,callback){
var callback=callback||function(){}; $.ajax( { url : service, data:param, dataType:"json", type : "post", success : function(data){ data = {head:{respCode:data.code,respDesc:data.message},body:data.data}; callback.apply(this,[data]); }, error:function(e,t){
data = {head:{respCode:-1,respDesc:e.message},body:{}}; callback.apply(this,[data]); } }); }; /** * 回调函数 */ wxopen.doCallback=function(fn,args){ try { if(typeof fn == 'undefined' || fn == '' || fn == null){ return; } if(typeof
8f3c
fn == 'function'){//方法存在 fn.apply(this,
args); } if(typeof fn == 'string'){ fn = eval(fn); fn.apply(this, args); } } catch (e) { if(wxopen.debug){ alert(e); } } }; /** * 判断是否微信环境 */ wxopen.isWeiXin=function(){ var ua = navigator.userAgent.toLowerCase(); if(ua.match(/MicroMessenger/i)=="micromessenger")
{ return true; } else { return false; } }(); /** * 获取当前URL参数 */ wxopen.getParam=function(name){ var search = document.location.search; var pattern = new RegExp("[?&]"+name+"\=([^&]+)", "g"); var matcher = pattern.exec(search); var items = null; if(null !=
matcher){ try{ items = decodeURIComponent(decodeURIComponent(matcher[1])); }catch(e){ try{ items = decodeURIComponent(matcher[1]); }catch(e){ items = matcher[1]; } } } return items; }; /** * 空校验 */ wxopen.isEmpty=function(str){ return (str == null || str ==
"" || str == "undefined"); }; /** * StringBuffer */ function StringBuffer() { this._strings = new Array; } StringBuffer.prototype.append = function(str){ this._strings.push(str); return this; }; StringBuffer.prototype.toString = function(){ return this._strings.join("");
}; return wxopen;})($,{});