如何在angular5中使用样式动态添加输入字段 [英] How to append input field dynamically with styles in angular5
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问题描述
当我单击按钮时,我试图动态地添加元素. 实际上,当我单击一个按钮时,元素会很好地附加. 但是问题是功能和样式不起作用. 我的代码在下面.
I'm trying to append elements dynamically when I click a button. Actually when I click a button, elements append well. But the problem is that function and style is not worked. My code is below.
P.S.我正在使用angular5
HTML
HTML
<table style="text-align: center; width: 100%">
<tbody #tContent>
<!-- I want to append element in here -->
</tbody>
</table>
<button type="button" mat-raised-button color="primary" (click)="addTbody()">click here</button>
TS
TS
addTbody() {
// I want append below code whenever I click.
<tr>
<td style="padding: 30px">
<input type="file" accept="image/png, image/gif, image/jpeg, image/bmp, image/x-icon" (click)="alert('$event')">
</td>
<td style="padding: 30px">
<input type="file" accept="image/png, image/gif, image/jpeg, image/bmp, image/x-icon" (click)="test2(file)">
</td>
</tr>
<tr>
<td style="padding: 30px">
<input placeholder="image Info" type="text" size="25">
</td>
<td style="padding: 30px">
<input placeholder="image Info" type="text" size="25">
</td>
</tr>
}
推荐答案
在这里:
组件侧:
this.rows = [];
addTbody() {
this.rows.push(1);
}
模板端:
<table style="text-align: center; width: 100%">
<tbody>
<ng-container *ngFor='let row of rows'>
<tr>
<td style="padding: 30px">
<input type="file" accept="image/png, image/gif, image/jpeg, image/bmp, image/x-icon" (click)="alert('$event')">
</td>
<td style="padding: 30px">
<input type="file" accept="image/png, image/gif, image/jpeg, image/bmp, image/x-icon" (click)="test2(file)">
</td>
</tr>
<tr>
<td style="padding: 30px">
<input placeholder="image Info" type="text" size="25">
</td>
<td style="padding: 30px">
<input placeholder="image Info" type="text" size="25">
</td>
</tr>
</ng-container>
</tbody>
</table>
链接到 工作演示
Link to WORKING DEMO
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