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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
//alert("href: "+location.href);
var GWC = {
version: '1.1.1',
urlParams: {},
appendParams: function(url, params) {
if (params) {
var baseWithSearch = url.split('#')[0];
var hash = url.split('#')[1];
for (var key in params) {
var attrValue = params[key];
if (attrValue !== undefined) {
var newParam = key + "=" + attrValue;
if (baseWithSearch.indexOf('?') > 0) {
var oldParamReg = new RegExp('^' + key + '=[-%.!~*\'\(\)\\w]*', 'g');
if (oldParamReg.test(baseWithSearch)) {
baseWithSearch = baseWithSearch.replace(oldParamReg, newParam);
} else {
baseWithSearch += "&" + newParam;
}
} else {
baseWithSearch += "?" + newParam;
}
}
}
if (hash) {
url = baseWithSearch + '#' + hash;
} else {
url = baseWithSearch;
}
}
return url;
},
getUrlParams: function() {
var pairs = location.search.substring(1).split('&');
for (var i = 0; i < pairs.length; i++) {
var pos = pairs[i].indexOf('=');
if (pos === -1) {
continue;
}
GWC.urlParams[pairs[i].substring(0, pos)] = decodeURIComponent(pairs[i].substring(pos + 1));
}
},
doRedirect: function() {
var code = GWC.urlParams['code'];
var appId = GWC.urlParams['appid'];
var scope = GWC.urlParams['scope'] || 'snsapi_base';
var state = GWC.urlParams['state'];
var isMp = GWC.urlParams['isMp']; //isMp为true时使用开放平台作授权登录，false为网页扫码登录
var baseUrl;
var redirectUri;
if (!code) {
baseUrl = "https://open.weixin.qq.com/connect/oauth2/authorize#wechat_redirect";
if(scope == 'snsapi_login' && !isMp){
baseUrl = "https://open.weixin.qq.com/connect/qrconnect";
}
//第一步，没有拿到code，跳转至微信授权页面获取code
// alert(appId);
//alert("href: "+location.href);
var url = document.location.toString();
var arrUrl = url.split("?");
//let currentHost = "https://wx-1257268355.cos-website.ap-shanghai.myqcloud.com";//arrUrl[0];
//alert("currentHost: "+location.href);
redirectUri = GWC.appendParams(baseUrl, {
'appid': appId,
// 'redirect_uri': 'https://app-1257268355.cos-website.ap-shanghai.myqcloud.com',//location.href,
'redirect_uri': encodeURIComponent(location.href),
// 'redirect_uri': 'https://wx-1257268355.cos-website.ap-shanghai.myqcloud.com',
// 'redirect_uri': encodeURIComponent("http://wx-1257268355.cos-website.ap-shanghai.myqcloud.com/get-weixin-code.html"),
//'redirect_uri': encodeURIComponent(currentHost),
'response_type': 'code',
'scope': scope,
'state': state,
});
} else {
//第二步，从微信授权页面跳转回来，已经获取到了code，再次跳转到实际所需页面
//alert("p.83-code:"+code);
redirectUri = GWC.appendParams(GWC.urlParams['redirect_uri2'], {
'code': code,
'state': state
});
}
//alert("p.89-redirectUri:"+redirectUri);
console.log(redirectUri);
location.href = redirectUri;
}
};
GWC.getUrlParams();
GWC.doRedirect();
// window.onload = function () {
// var appId = GWC.urlParams['appid'];
// var scope = GWC.urlParams['scope'] || 'snsapi_base';
// window.mplogin2.doLogin({
// appid: appId, // 必填，公众号appid，将以此 appid 名义进行请求
// scope: scope, // 必填，登录方式：snsapi_userinfo、snsapi_base// 必填，登录方式：snsapi_userinfo、snsapi_base
// // noback: true, // 选填，登录完不直接返回业务页面，执行自定义附加操作
// redirect: GWC.urlParams['redirect_uri2'] // 跳转的页面，默认是当前页面，如果你有自定义登录成功页，可以联动设置
// }).then(res => {
// // noback为 true 时，将不会返回业务页面，执行到这里
// // 此时需要自行控制跳转回业务页面
// console.log(res)
// })
// }
</script>
</body>
</html>
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