uniapp/util/auth.js

// start
	getUrlCode() {
		var url = location.search
		this.winUrl = url
		var theRequest = new Object()
		if (url.indexOf("?") != -1) {
			var str = url.substr(1)
			var strs = str.split("&")
			for (var i = 0; i < strs.length; i++) {
				theRequest[strs[i].split("=")[0]] = (strs[i].split("=")[1])
			}
		}
		return theRequest
	},
	 getUrlPrams(key) {
		var reg = new RegExp("(^|&)" + key + "=([^&]*)(&|$)", "i");
		var r = window.location.search.substr(1).match(reg); //获取url中"?"符后的字符串并正则匹配
		var context = "";
		if (r != null) {
			context = r[2];
		}
		return context;
	},

export const authInit = (options) => {

	var appId = "wx4eab2e3b5531d58b";
	var params = {};
	var CODE = getUrlCode();
	var code = CODE['code'];
	// alert("CODE="+code);
	if (code) {
	 // console.log("打印参数",JSON.stringify(params));
	 params.code=code;
	 // alert(code);
	 // alert(JSON.stringify(params));
		   
	 //使用code请求服务器接口，换取用户用户openID
	 const res = await this.$myRequest({
	  url: 'Com/getPageAuthorization',
	  data:params
	 })
	 // alert(res.data.flag);
	 if(res.data.flag==3000){
	  alert("授权失败,请重新登录");
	  uni.navigateTo({
	   url: '/pages/login/login',
	  });
	 }
	 if(res.data.flag==3002){
	  alert("授权失败,请重新登录");
	  uni.navigateTo({
	   url: '/pages/login/login',
	  });
	 }
	 return "ok";
	}
	// alert("授权开始");
	var cs = {};
	var curl=window.location.href;
	cs.curl=curl;
	// alert("当前页面路径"+curl);
	const res1 = await this.$myRequest({
	 url: 'Com/getAuthorizationUrl',
	 data:cs
	})
	// alert(res1.data);
	var turl=res1.data.turl;
	// alert(turl)
	window.location.href = 'https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx4eab2e3b5531d58b&redirect_uri='+turl+'&response_type=code&scope=snsapi_base&state=abc123#wechat_redirect';
		

}