我正在使用Angular Material中的<mat-tab-group #tabsGroup (selectedTabChange)="tabChanged($event)" (selectedIndexChange)="selectedIndexChange($event)" [(selectedIndex)]="selectedIndex">
<mat-tab id="tab0" label="First tab">
// Tab content
</mat-tab>
<mat-tab id="tab1" label="Second tab">
// Tab content
</mat-tab>
<mat-tab id="tab2" label="Third tab">
// Tab content
</mat-tab>
<mat-tab-group>
,并且需要根据某些条件动态创建标签。
<mat-tab-group #tabsGroup (selectedTabChange)="tabChanged($event)" (selectedIndexChange)="selectedIndexChange($event)" [(selectedIndex)]="selectedIndex">
<mat-tab id="tab1" label="Second tab">
// Tab content
</mat-tab>
<mat-tab id="tab0" label="First tab">
// Tab content
</mat-tab>
<mat-tab id="tab2" label="Third tab">
// Tab content
</mat-tab>
<mat-tab-group>
根据某些条件,例如,我需要能够生成如下标签:
#EXTM3U
#EXT-X-TARGETDURATION:11
#EXT-X-VERSION:6
#EXT-X-MEDIA-SEQUENCE:0
#EXT-X-START:TIME-OFFSET=250,PRECISE=YES
#EXT-X-PLAYLIST-TYPE:VOD
#EXTINF:9.9766,
#EXT-X-BYTERANGE:678116@0
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:668340@678116
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
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#EXT-X-BYTERANGE:667588@1346456
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:679432@2014044
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:667964@2693476
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:668340@3361440
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:680748@4029780
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:668904@4710528
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:668904@5379432
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:680936@6048336
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:670032@6729272
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:671160@7399304
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:683756@8070464
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:672288@8754220
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:671536@9426508
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:684132@10098044
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:673228@10782176
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:671536@11455404
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:683756@12126940
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:671160@12810696
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:671912@13481856
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:686012@14153768
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:673980@14839780
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:672288@15513760
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:682816@16186048
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:671536@16868864
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:672664@17540400
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:685636@18213064
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:673604@18898700
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:674356@19572304
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:663640@20246660
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9766,
#EXT-X-BYTERANGE:685636@20910300
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:673792@21595936
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:675484@22269728
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:685636@22945212
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
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#EXT-X-BYTERANGE:674168@23630848
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:675296@24305016
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#EXT-X-BYTERANGE:686200@24980312
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#EXT-X-BYTERANGE:674920@26341432
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:687328@27016352
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#EXTINF:9.9433,
#EXT-X-BYTERANGE:675860@27703680
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:675672@28379540
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#EXT-X-BYTERANGE:687328@29055212
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:675860@29742540
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:9.9433,
#EXT-X-BYTERANGE:676236@30418400
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:689020@31094636
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#EXT-X-BYTERANGE:677364@31783656
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:678492@32461020
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#EXTINF:9.9433,
#EXT-X-BYTERANGE:690712@33139512
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#EXT-X-BYTERANGE:679244@38610500
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#EXT-X-BYTERANGE:691652@44057236
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
#EXTINF:10.01,
#EXT-X-BYTERANGE:680748@44748888
https://d2zihajmogu5jn.cloudfront.net/bipbop-advanced/gear2/main.ts
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#EXT-X-ENDLIST
MatTabs API上是否有设置,或者我可以通过JavaScript做到这一点?谢谢!
答案 0 :(得分:1)
您可以尝试使用*ngFor
来使标签保持动态
html
<mat-tab-group #tabsGroup (selectedTabChange)="tabChanged($event)" (selectedIndexChange)="selectedIndexChange($event)" [(selectedIndex)]="selectedIndex">
<mat-tab *ngFor="let tab in tabList" id="{{tab.tabId}}" label="tab.label">
<div [innerHtml]="tab.innerHtml"></div>
</mat-tab>
<mat-tab-group>
ts
tabList = [{
label: 'First Tab',
innerHtml: `<div>hello, World!</div>`,
tabId: 'tab1'
}, {
label: 'Second Tab',
innerHtml: `<div>I am a different Tab</div>`,
tabId: 'tab2'
}];
然后从那里可以根据需要对this.tabList
对象进行排序
编辑:
在*ngIf
上有关<mat-tab>
的评论中有一个问题之后,下面是对*ngIf
语句的修改后答案
html
<mat-tab-group #tabsGroup (selectedTabChange)="tabChanged($event)" (selectedIndexChange)="selectedIndexChange($event)" [(selectedIndex)]="selectedIndex">
<ng-template ngFor let-tab [ngForOf]="tabList">
<mat-tab *ngIf="tab.showTab || someHideFunction(tab)" id="{{tab.tabId}}" label="tab.label">
<div [innerHtml]="tab.innerHtml"></div>
</mat-tab>
</ng-template>
<mat-tab-group>
ts
tabList = [{
label: 'First Tab',
innerHtml: `<div>hello, World!</div>`,
tabId: 'tab1',
showTab: true
}, {
label: 'Second Tab',
innerHtml: `<div>I am a different Tab</div>`,
tabId: 'tab2',
showTab: false
}, {
label: 'Third Tab',
innerHtml: `<app-custom-component [input]="tempVariable"></app-custom-component>`,
tabId: 'tab3',
showTab: true
}];
答案 1 :(得分:0)
您可以像下面这样使用ng-template
。
<ng-template #content1>
<div>Content 1</div>
</ng-template>
<ng-template #content2>
<div>Content 2!</div>
</ng-template>
然后相应地在标签中使用。
<mat-tab id="tab0" [label]="yourFirstLabel">
<div *ngIf="yourFlag; then content1 else content2"> </div>
</mat-tab>
<mat-tab id="tab1" [label]="yourSecondLabel">
<div *ngIf="yourFlag; then content2 else content1"> </div>
</mat-tab>
请注意,您也需要更新标签(yourFirstLabel
和yourSecondLabel
)