Java 在spring petclinic中以jsp jstl形式创建布尔字段
SpringPetClinic在jsp中提供了用于文本输入和选择框的字段类型。如何创建一个字段类型,为用户提供添加/编辑布尔数据的复选框 以下是inputField和selectField的标记语法示例:Java 在spring petclinic中以jsp jstl形式创建布尔字段,java,spring,jsp,spring-mvc,jstl,Java,Spring,Jsp,Spring Mvc,Jstl,SpringPetClinic在jsp中提供了用于文本输入和选择框的字段类型。如何创建一个字段类型,为用户提供添加/编辑布尔数据的复选框 以下是inputField和selectField的标记语法示例: <petclinic:inputField label="Name" name="name"/> <petclinic:selectField name="type" label="Type " names="${types}" size="5"/> 您可以看
<petclinic:inputField label="Name" name="name"/>
<petclinic:selectField name="type" label="Type " names="${types}" size="5"/>
您可以看到使用这些标记的jsp
定义inputField标记的代码为。定义selectField标记的代码为
那么,如何为布尔数据类型和复选框设置自定义标记呢?我以前从未见过这种语法,我想知道它是如何工作的。复选框:
<%@ attribute name="name" required="true" rtexprvalue="true"
description="Name of corresponding property in bean object" %>
<%@ attribute name="label" required="true" rtexprvalue="true"
description="Label appears in red color if input is considered as invalid after submission" %>
<%@ attribute name="names" required="true" rtexprvalue="true" type="java.util.List"
description="Names in the list" %>
<%@ attribute name="size" required="true" rtexprvalue="true"
description="Size of Checkbox List" %>
<spring:bind path="${name}">
<c:set var="cssGroup" value="control-group ${status.error ? 'error' : '' }"/>
<div class="${cssGroup}">
<label class="control-label">${label}</label>
<div class="controls">
<form:checkboxes path="${name}" items="${names}" size="${size}"/>
<span class="help-inline">${status.errorMessage}</span>
</div>
</div>
</spring:bind>
${label}
${status.errorMessage}
布尔/单选按钮:
<%@ attribute name="name" required="true" rtexprvalue="true"
description="Name of corresponding property in bean object" %>
<%@ attribute name="label" required="true" rtexprvalue="true"
description="Label appears in red color if input is considered as invalid after submission" %>
<%@ attribute name="value" required="true" rtexprvalue="true" type="java.lang.Boolean"
description="True or False" %>
<spring:bind path="${name}">
<c:set var="cssGroup" value="control-group ${status.error ? 'error' : '' }"/>
<div class="${cssGroup}">
<label class="control-label">${label}</label>
<div class="controls">
<form:radiobutton path="${name}" value="${value}"/>
<span class="help-inline">${status.errorMessage}</span>
</div>
</div>
</spring:bind>
${label}
${status.errorMessage}