Card4Component.ets
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import { ContentDTO, FullColumnImgUrlDTO } from 'wdBean';
import { CommonConstants } from 'wdConstant/Index';
import { ProcessUtils } from 'wdRouter';
import { CardSourceInfo } from '../cardCommon/CardSourceInfo'
import { CardMediaInfo } from '../cardCommon/CardMediaInfo'
import { onlyWifiLoadImg } from '../../utils/lazyloadImg';
const TAG: string = 'Card4Component';
/**
* 三图卡:
* compstyle:4
* 卡片结构：上下结构
* 卡片宽度:充满父窗口
* 卡片高度,仅包含横板图片：图片高度由图片的宽度及宽高比决定，图片宽度占父窗口'100%'，宽高比为16:9:
*/
@Component
export struct Card4Component {
@State contentDTO: ContentDTO = {} as ContentDTO;
@State loadImg: boolean = false;
@State clicked: boolean = false;
async aboutToAppear(): Promise<void> {
this.loadImg = await onlyWifiLoadImg();
}
build() {
Column() {
//body
Column() {
//新闻标题
Text(this.contentDTO.newsTitle)
.fontSize($r('app.float.font_size_17'))
.fontColor(this.clicked ? 0x848484 : $r('app.color.color_222222'))
.maxLines(3)
.textOverflow({ overflow: TextOverflow.Ellipsis }) // 超出的部分显示省略号。
//三图
Stack(){
Row() {
GridRow({ gutter: 2 }) {
ForEach(this.contentDTO.fullColumnImgUrls, (item: FullColumnImgUrlDTO, index: number) => {
if (index < 3) {
GridCol({ span: { xs: 4 } }) {
Image(this.loadImg ? item.url : '')
.backgroundColor(0xf5f5f5)
.width('100%')
.aspectRatio(113 / 75)
.borderRadius({
topLeft: index === 0 ? $r('app.float.image_border_radius') : 0,
topRight: index === 2 ? $r('app.float.image_border_radius') : 0,
bottomLeft: index === 0 ? $r('app.float.image_border_radius') : 0,
bottomRight: index === 2 ? $r('app.float.image_border_radius') : 0,
})
}
}
})
}
}
.width(CommonConstants.FULL_PARENT)
.margin({ top: 8 })
CardMediaInfo({
contentDTO: this.contentDTO
})
}
.width(CommonConstants.FULL_PARENT)
.alignContent(Alignment.BottomEnd)
}
.width('100%')
.justifyContent(FlexAlign.Start)
.alignItems(HorizontalAlign.Start)
.onClick((event: ClickEvent) => {
this.clicked = true;
ProcessUtils.processPage(this.contentDTO)
})
//bottom 评论等信息
CardSourceInfo({ contentDTO: this.contentDTO })
}
.width(CommonConstants.FULL_WIDTH)
.padding({
left: $r('app.float.card_comp_pagePadding_lf'),
right: $r('app.float.card_comp_pagePadding_lf'),
top: $r('app.float.card_comp_pagePadding_tb'),
bottom: $r('app.float.card_comp_pagePadding_tb')
})
}
}
@Extend(Text)
function bottomTextStyle() {
.fontSize(12)
.fontColor('#B0B0B0')
}