网站建设管理工作交流发言材料,梵克雅宝中文官网,网站建设跟网站开发有什么区别吗,重新建网站需要转域名吗滑动条组件#xff0c;通常用于快速调节设置值#xff0c;如音量调节、亮度调节等应用场景。该组件从API Version 7开始支持。无子组件 一、接口 Slider(options?: {value?: number, min?: number, max?: number, step?: number, style?: SliderStyle, direction?: Ax…滑动条组件通常用于快速调节设置值如音量调节、亮度调节等应用场景。该组件从API Version 7开始支持。无子组件 一、接口 Slider(options?: {value?: number, min?: number, max?: number, step?: number, style?: SliderStyle, direction?: Axis, reverse?: boolean}) 从API version 9开始该接口支持在ArkTS卡片中使用。 参数 SliderStyle枚举说明 从API version 9开始该接口支持在ArkTS卡片中使用。 二、属性 支持除触摸热区以外的通用属性设置。 三、事件 通用事件仅支持挂载卸载事件OnAppearOnDisAppear。 SliderChangeMode枚举说明 从API version 9开始该接口支持在ArkTS卡片中使用。 四、示例
// xxx.ets
Entry
Component
struct SliderExample {State outSetValueOne: number 40State inSetValueOne: number 40State outSetValueTwo: number 40State inSetValueTwo: number 40State vOutSetValueOne: number 40State vInSetValueOne: number 40State vOutSetValueTwo: number 40State vInSetValueTwo: number 40build() {Column({ space: 8 }) {Text(outset slider).fontSize(9).fontColor(0xCCCCCC).width(90%).margin(15)Row() {Slider({value: this.outSetValueOne,min: 0,max: 100,style: SliderStyle.OutSet}).showTips(true).onChange((value: number, mode: SliderChangeMode) {this.outSetValueOne valueconsole.info(value: value mode: mode.toString())})// toFixed(0)将滑动条返回值处理为整数精度Text(this.outSetValueOne.toFixed(0)).fontSize(12)}.width(80%)Row() {Slider({value: this.outSetValueTwo,step: 10,style: SliderStyle.OutSet}).showSteps(true).onChange((value: number, mode: SliderChangeMode) {this.outSetValueTwo valueconsole.info(value: value mode: mode.toString())})Text(this.outSetValueTwo.toFixed(0)).fontSize(12)}.width(80%)Text(inset slider).fontSize(9).fontColor(0xCCCCCC).width(90%).margin(15)Row() {Slider({value: this.inSetValueOne,min: 0,max: 100,style: SliderStyle.InSet}).blockColor(#191970).trackColor(#ADD8E6).selectedColor(#4169E1).showTips(true).onChange((value: number, mode: SliderChangeMode) {this.inSetValueOne valueconsole.info(value: value mode: mode.toString())})Text(this.inSetValueOne.toFixed(0)).fontSize(12)}.width(80%)Row() {Slider({value: this.inSetValueTwo,step: 10,style: SliderStyle.InSet}).blockColor(#191970).trackColor(#ADD8E6).selectedColor(#4169E1).showSteps(true).onChange((value: number, mode: SliderChangeMode) {this.inSetValueTwo valueconsole.info(value: value mode: mode.toString())})Text(this.inSetValueTwo.toFixed(0)).fontSize(12)}.width(80%)Row() {Column() {Text(vertical outset slider).fontSize(9).fontColor(0xCCCCCC).width(50%).margin(15)Row() {Slider({value: this.vOutSetValueOne,style: SliderStyle.OutSet,direction: Axis.Vertical}).blockColor(#191970).trackColor(#ADD8E6).selectedColor(#4169E1).showTips(true).onChange((value: number, mode: SliderChangeMode) {this.vOutSetValueOne valueconsole.info(value: value mode: mode.toString())})Slider({value: this.vOutSetValueTwo,step: 10,style: SliderStyle.OutSet,direction: Axis.Vertical}).blockColor(#191970).trackColor(#ADD8E6).selectedColor(#4169E1).showSteps(true).onChange((value: number, mode: SliderChangeMode) {this.vOutSetValueTwo valueconsole.info(value: value mode: mode.toString())})}}.width(50%).height(300)Column() {Text(vertical inset slider).fontSize(9).fontColor(0xCCCCCC).width(50%).margin(15)Row() {Slider({value: this.vInSetValueOne,style: SliderStyle.InSet,direction: Axis.Vertical,reverse: true // 竖向的Slider默认是上端是min值下端是max值因此想要从下往上滑动需要设置reverse为true}).showTips(true).onChange((value: number, mode: SliderChangeMode) {this.vInSetValueOne valueconsole.info(value: value mode: mode.toString())})Slider({value: this.vInSetValueTwo,step: 10,style: SliderStyle.InSet,direction: Axis.Vertical,reverse: true}).showSteps(true).onChange((value: number, mode: SliderChangeMode) {this.vInSetValueTwo valueconsole.info(value: value mode: mode.toString())})}}.width(50%).height(300)}}.width(100%)}
}
五、效果样式 六、场景 适合卡片上直接操作提示滑动条组件通常用于快速调节设置值如音量调节、亮度调节等应用场景提供。
本文根据HarmonyOS官方文档整理
