};
/**
* 微信分享
*/
class wxShare {
/**
* 请求获取access_token 方法入口
* @param {* URL链接} hrefURL
* @param {* 回调请求方法} callback
*/
accessToken(hrefURL, callback) { // 获取access_token
let _this = this;
var tokenUrl = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' + config.appID + '&secret=' + config.appSecret;
request(tokenUrl, function(error, response, body) {
if (response.statusCode && response.statusCode === 200) {
body = JSON.parse(body);
configEnd.access_token = body.access_token;
_this.upJsapiTicket(hrefURL, body.access_token, callback)
}
});
};
/**
* 获取<span style="font-family:Arial;">Jsapi_Ticket</span>
* @param {* URL链接} hrefURL
* @param {* token} access_Ttoken
* @param {* 回调请求方法} callback
*/
upJsapiTicket(hrefURL, access_Ttoken, callback) { // Jsapi_ticket
let _this = this;
var ticketUrl = 'https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=' + access_Ttoken + '&type=jsapi';
request(ticketUrl, function(err, response, content) {
content = JSON.parse(content);
if (content.errcode == 0) {
configEnd.ticket = content.ticket; // ticket
configEnd.timestamp = _this.createTimestamp(); // 时间戳
configEnd.nonceStr = _this.createNonceStr(); // 随机数
configEnd.signature = _this.sign(hrefURL); // 签名
callback && callback(configEnd); // 回调前端JS方法
}
})
};
/**
* 随机字符串
*/
createNonceStr() {
return Math.random().toString(36).substr(2, 15);
};
/**
* 时间戳
*/
createTimestamp() {
return parseInt(new Date().getTime() / 1000).toString();
};
/**
* 拼接字符串
* @param {*} args
*/
rawString(args) {
var keys = Object.keys(args);
keys = keys.sort()
var newArgs = {};
keys.forEach(function(key) {
newArgs[key.toLowerCase()] = args[key];
});
var string = '';
for (var k in newArgs) {
string += '&' + k + '=' + newArgs[k];
}
string = string.substr(1);
return string;
};
/**
* 签名
* @param {*} url
*/
sign(url) {
let _this = this;
var ret = {
jsapi_ticket: configEnd.ticket,
nonceStr: configEnd.nonceStr,
timestamp: configEnd.timestamp,
url: url
};
var string = _this.rawString(ret);
var shaObjs = sha1(string);
return shaObjs;
};
}
module.exports = wxShare;
就一普通的ajax请求nodeJS后台，后台返回封装好的数据。
