//关闭微信页面
weixinClosePage() {
  if (typeof WeixinJSBridge == "undefined") {
    if (document.addEventListener) {
      document.addEventListener(
        "WeixinJSBridgeReady",
        this.weixin_ClosePage(),
        false
      );
    } else if (document.attachEvent) {
      document.attachEvent("WeixinJSBridgeReady", this.weixin_ClosePage());
      document.attachEvent("onWeixinJSBridgeReady", this.weixin_ClosePage());
    }
  } else {
    this.weixin_ClosePage();
  }
},
weixin_ClosePage(){
  WeixinJSBridge.call("closeWindow");
}