微信公众号获取openid（vue）

export default {created () {this.page= (this.getUrlParam("page")===null)?this.getUrlParam("state"):this.getUrlParam("page");this.getCode();},data(){return {//由于是通过微信公众号不同菜单点击进入页面，需要判断page:'',};},methods: {getCode () {// 非静默授权，第一次有弹框const code = this.getUrlParam('code') // 截取路径中的code，如果没有就去微信授权，如果已经获取到了就直接传code给后台获取openIdif (code == null || code === '') {window.location.href = 'https://open./connect/oauth2/authorize?appid='+this.sv.APP_ID+'&redirect_uri=' + encodeURIComponent(this.sv.LOCAL) + '&response_type=code&scope=snsapi_base&state='+this.page+'#wechat_redirect'} else {this.getOpenId(code) //把code传给后台获取用户信息}},getOpenId (code) {// 通过code获取 openId等用户信息，/api/user/wechat/login 为后台接口let _this = thisthis.$ajax.post(this.$apiList.isRegist, {code: code,appid:this.sv.APP_ID,secret:this.sv.SECRET,hosnum:this.sv.HOSNUM,page:this.page}, true,{}).then(function (data) {let _data=data.data;//如果是没有注册过的用户进入到注册页面//210990198808097896if (_data.status === -1 ) {_this.$router.push("/about?openid="+_data.openid+"&page="+_this.page);}//如果是注册过的用户(0-his,1-体检)else if(_data.status ==='0'){_this.$router.push("/his?openid="+_data.openid);}else if(_data.status==='1'){_this.$router.push("/amedical?openid="+_data.openid);}}, function (err) {console.log(err);});},getUrlParam(name) {let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");let r = window.location.search.substr(1).match(reg);if (r != null) return unescape(r[2]);return null;}},}