uniapp app 等待弹窗

let wait = ref()

function wait(){
//打开等待弹窗
    wait.value = plus.nativeUI.showWaiting("正在连接蓝牙...");
// 2秒后更新等待对话框上显示的文字内容
	setTimeout(function(){
            w.setTitle( "连接成功" );
	}, 2000);
}

function close(){
 //关闭等待弹窗
  wait.value.close();
}

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参考网址：

1. https://www.html5plus.org/doc/zh_cn/nativeui.html#plus.nativeUI.showWaiting
2. https://www.html5plus.org/doc/zh_cn/nativeui.html#plus.nativeUI.setTitle