Primefaces Boolean复选框

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📜 Primefaces Boolean复选框

📅 最后修改于: 2021-01-08 04:05:05 🧑 作者: Mango

PrimeFaces SelectBooleanCheckbox

PrimeFaces提供了组件来创建布尔复选框。它用于从用户获取布尔值。它是具有主题集成功能的标准复选框的扩展版本。

SelectBooleanCheckbox属性

下表包含SelectBooleanCheckbox组件的属性。

Attribute	Default value	Return type	Description
id	null	String	It is an unique identifier of the component.
rendered	true	Boolean	It is used to render component. It takes boolean value.
binding	null	Object	It is used to set an expression that maps to a server side UIComponent instance in a backing bean
value	null	Object	It is used to set value of the component referring to a List.
converter	null	Converter/String	It is used to set text that defines a converter for the component.
required	false	Boolean	It is used to make component as required.
widgetVar	null	String	It is a name of the client side widget.
disabled	false	Boolean	It is used to disable the component.
label	null	String	It is used to set user presentable name.
onchange	null	String	It is used to call script on value change.
style	null	String	It is used to set CSS of the component.
styleClass	null	String	It is used to set style class of the container.
itemLabel	null	String	It is used to set label displayed next to checkbox.
tabindex	null	String	It is used to specify tab order for tab key navigation.
onfocus	null	String	It is used to execute script when checkbox receives focus.
onblur	null	String	It is used to execute script when checkbox loses focus.
title	null	String	It is used to set tooltip information.

SelectBooleanCheckbox外观属性

Style Class	Applies
.ui-chkbox	It is a main container element.
.ui-chkbox-box	It is a container of checkbox icon.
.ui-chkbox-icon	It is used for checkbox icon.

例

在下面的示例中，我们正在实现组件。本示例包含以下文件。

JSF文件

// boolean-checkbox.xhtml





Boolean Checkbox


Boolean Checkbox

ManagedBean

// BooleanCheckbox.java

package com.javatpoint;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.context.FacesContext;
@ManagedBean
public class BooleanCheckbox {
private boolean value;
public boolean isValue() {
return value;
}
public void setValue(boolean value) {
this.value = value;
}
public void addMessage() {
String summary = value ? "Checked" : "Unchecked";
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(summary));
}
}

输出：

当我们在下面检查时，它显示消息。