HarmonyOS鸿蒙Next中有没有时间选择的组件(包含日期+时间的选择)

可以使用三方库PickerView实现日期+时间的选择器

ohpm install @ohos/pickerview

具体代码使用说明可以参考文档：https://gitee.com/openharmony-sig/ohos-PickerView#%E6%8E%A5%E5%8F%A3%E8%AF%B4%E6%98%8E

日期+时间也可使用TextPicker自定义实现，demo参考：

class bottom {
    bottom: number = 50
}
let bott: bottom = new bottom()
@Entry
@Component
struct TextPickerExample {
    private select: number = 1
    private apfruits: string[] = ['apple1', 'apple2', 'apple3', 'apple4']
    private orfruits: string[] = ['orange1', 'orange2', 'orange3', 'orange4']
    private pefruits: string[] = ['peach1', 'peach2', 'peach3', 'peach4']
    private multi: string[][] = [this.apfruits, this.orfruits, this.pefruits]
    private cascade: TextCascadePickerRangeContent[] = [
        {
            text: '辽宁省',
            children: [{ text: '沈阳市', children: [{ text: '沈河区' }, { text: '和平区' }, { text: '浑南区' }] },
            { text: '大连市', children: [{ text: '中山区' }, { text: '金州区' }, { text: '长海县' }] }]
        },
        {
            text: '吉林省',
            children: [{ text: '长春市', children: [{ text: '南关区' }, { text: '宽城区' }, { text: '朝阳区' }] },
            { text: '四平市', children: [{ text: '铁西区' }, { text: '铁东区' }, { text: '梨树县' }] }]
        },
        {
            text: '黑龙江省',
            children: [{ text: '哈尔滨市', children: [{ text: '道里区' }, { text: '道外区' }, { text: '南岗区' }] },
            { text: '牡丹江市', children: [{ text: '东安区' }, { text: '西安区' }, { text: '爱民区' }] }]
        }
    ]
    build() {
        Column() {
            TextPicker({ range: this.apfruits, selected: this.select })
                .onChange((value: string | string[], index: number | number[]) => {
                    console.info('Picker item changed, value: ' + value + ', index: ' + index)
                }).margin(bott)
            TextPicker({ range: this.multi })
                .onChange((value: string | string[], index: number | number[]) => {
                    console.info('TextPicker 多列:onChange ' + JSON.stringify(value) + ', ' + 'index: ' + JSON.stringify(index))
                }).margin(bott)
            TextPicker({ range: this.cascade })
                .onChange((value: string | string[], index: number | number[]) => {
                    console.info('TextPicker 多列联动:onChange ' + JSON.stringify(value) + ', ' + 'index: ' + JSON.stringify(index))
                })
        }
    }
}