警告弹窗
显示警告弹窗组件，可设置文本内容与响应回调。
使用
Button('点击警告').onClick(()=> {AlertDialog.show({title: '标题',message: '内容',autoCancel: true,alignment: DialogAlignment.Center,gridCount: 4,offset: { dx: 0, dy: -20 },primaryButton: {value: '取消',action: () => {console.info('Callback when the first button is clicked')}},secondaryButton: {value: '确认',action: () => {console.info('Callback when the second button is clicked')}},cancel: () => {console.info('Closed callbacks')}})}).backgroundColor(0x317aff)
