//author herbert QQ:464884492
getAccessToken() {
// 判断是否缓存有
return new Promise((resolve, reject) => {
var access_token = localStorage.getItem("accessToken");
var expires = localStorage.getItem("expires_accessToken");
if (expires > new Date().getTime() - 2000) {
resolve(access_token);
return;
}
let accessTokenUrl = 'https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=' + this.groupId + "&corpsecret=" + this.secretId;

// fetch(accessTokenUrl, { method: "GET" })
fetch(this.porxyUrl, {
method: "POST",
body: JSON.stringify({
method: "GET",
url: accessTokenUrl
})
}).then(resp => {
return resp.json()
}).then(data => {
if (data.errcode == 0) {
//保存本次获取的accessToken
localStorage.setItem("accessToken", data.access_token);
localStorage.setItem("expires_accessToken", new Date().getTime() + data.expires_in * 1000);
resolve(data.access_token);
}
}).catch(data => {
reject();
})
});
},

//author herbert QQ:464884492
getTicket() {
return new Promise((resolve, reject) => {
var ticket = localStorage.getItem("ticket");
var expires = localStorage.getItem("expires_ticket");
if (expires > new Date().getTime() - 2000) {
resolve(ticket);
return;
}
let ticketUrl = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=" + localStorage.getItem("accessToken");

//fetch(ticketUrl, { method: "GET" })
fetch(this.porxyUrl, {
method: "POST",
body: JSON.stringify({
method: "GET",
url: ticketUrl
})
}).then(resp => {
return resp.json()
}).then(data => {
if (data.errcode == 0) {
//保存本次获取的accessToken
localStorage.setItem("ticket", data.ticket);
localStorage.setItem("expires_ticket", new Date().getTime() + data.expires_in * 1000);
resolve(data.ticket);
}
}).catch(data => {
reject();
})
});
},

//author herbert QQ:464884492
getSignature(timestamp, ticket) {
let url = window.location.href.split("#")[0];
let jsapi_ticket = "jsapi_ticket=" + ticket + "&noncestr=" + timestamp + "×tamp=" + timestamp.substr(0, 10) + "&url=" + url;
this.printStatuInfo("签名原始信息:" + jsapi_ticket);
let sha1Str = new jsSHA(decodeURIComponent(jsapi_ticket), "TEXT");
return sha1Str.getHash("SHA-1", "HEX");
}

//author herbert QQ:464884492
wx.config({
beta: true,// 必须这么写，否则wx.invoke调用形式的jsapi会有问题
debug: false, // 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: wxUtils.groupId, // 必填，企业微信的corpID
timestamp: timestamp.substr(0, 10), // 必填，生成签名的时间戳
nonceStr: timestamp, // 必填，生成签名的随机串
signature: sig,// 必填，签名，见附录1
jsApiList: ["scanQRCode"] // 必填，需要使用的JS接口列表，所有JS接口列表见附录2
});

//author herbert QQ:464884492
wx.scanQRCode({
desc: 'scanQRCode desc',
needResult: 1, // 默认为0，扫描结果由企业微信处理，1则直接返回扫描结果，
scanType: ["qrCode", "barCode"], // 可以指定扫二维码还是一维码，默认二者都有
success: function (res) {
// 回调
wxUtils.printStatuInfo("扫描信息：" + JSON.stringify(res));
lblCostTime.innerText = "单次扫码总共花费:【" + (new Date().getTime() - timeStar) + "】ms";
},
error: function (res) {
if (res.errMsg.indexOf('function_not_exist') > 0) {
alert('版本过低请升级')
}
}
});