React-Native中的组件加载.卸载与setState问题. Warning: Can only update a mounted or mounting component. This usually means you called setState, replaceState, or forceUpdate on an unmounted component. This is a no-op. 通常我们会在componentWillMount方法中执行异步数据请求,然后调用setSt
代码: using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace DemoWebControl { /// <summary> /// 自己的第一个服务器组件 简单的TextBox:直接拼接HTML输出(一种捷径写法,运行速度相对也快) /// </summary> public class DemoTextBox : WebControl { protected bool I