如何在 HTML 模板中使用 for 循环
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how to use for loop inside HTML template
提问by Mayur Lunawat
I have an html template which I use in marionette view . I pass a parameter in the template when I call it inside the render function . I want to add multiple div elements depending on the value of the parameter .How can I add for loop inside html template??
我有一个在木偶视图中使用的 html 模板。当我在渲染函数中调用它时，我在模板中传递了一个参数。我想根据参数的值添加多个 div 元素。如何在 html 模板中添加 for 循环？
<div id="mainArea">
<div data-role="view">
<div id="scrollView" data-role="scrollView" data-stretch="true">
<div id = 'leftArrowImage' class="leftArrowImage">
</div>
<div id = 'mainViewArea'></div>
<div id = 'rightArrowImage'></div>
/* I have passed a variable here named allWidgets. I want to add the number of divs(<div data-role="page" ></div>) equal to the length of allWidgets array. How do I do that*/
</div>
</div>
</div>采纳答案by Mayur Lunawat
<link rel="stylesheet" type="text/css" href="Widgets/ReportWidget/styles/scrollLayout.css"/>
<div id="mainArea">
<div data-role="view">
<div id="scrollView" data-role="scrollView" data-stretch="true">
<div id = 'leftArrowImage' class="leftArrowImage">
</div>
<div id = 'mainViewArea'></div>
<div id = 'rightArrowImage'></div>
<% var i;
for i in allWidgets{ %>
<div data-role="page" class="pages" >
</div>
}%>
</div>
</div>
</div>回答by jen
If you are in Angular use *ngForwhere wis now each element in allWidgetsarray and will create a divfor each element. You may need binding around the [data-role].
如果您在 Angular 中使用*ngForwherew现在是allWidgets数组中的每个元素，并且将为div每个元素创建一个。您可能需要在[data-role].
<div *ngFor="let w of allWidgets">
<div data-role="page"></div>
</div>
回答by Semih Eker
If you talking about(I am not sure that understand the question exactly),Could you try this;
如果您谈论（我不确定是否完全理解问题），您可以试试这个吗？
<div id="mainArea">
<div data-role="view">
<div id="scrollView" data-role="scrollView" data-stretch="true">
<div id = 'leftArrowImage' class="leftArrowImage">
</div>
<div id = 'mainViewArea'></div>
<div id = 'rightArrowImage'></div>
<c:forEach var="widget" items="${allWidgets}">
// Here, you can add parameters about widget objects in allWidgets
<div data-role="page" ></div>
</c:forEach>
</div>
</div>
</div>
You must also define the top of your jsp file below code,
您还必须在代码下方定义 jsp 文件的顶部，
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
