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📜  Primefaces微调器

📅  最后修改于: 2021-01-08 04:16:37             🧑  作者: Mango

PrimeFaces微调器

它是一个输入文本，其中提供了递增和递减按钮。它用于获取输入文本中的用户输入。我们可以通过在JSF应用程序中使用组件来创建它。它具有下表列出的各种属性。

微调器属性

Attribute Default value Type Description
id null String It is an unique identifier of the component.
rendered true Boolean It is used to specify the rendering of the
component.
value null Object It is used to set value of the component.
required false Boolean It is used to mark component as required.
widgetVar null MethodExpr It is used to set name of the client side widget.
stepFactor 1 Double It is a stepping factor for each increment and decrement.
min null Double It sets minimum boundary value.
max null Double It sets maximum boundary value.
prefix null String It is used to set prefix of the input.
suffix null String It is used to set suffix of the input.
accesskey null String It is an access key that when pressed transfers focus to the
input element.
maxlength null Integer It is used to set maximum number of characters that may be
entered in this field.
onselect null String It executes script when text within
input element is selected by user.
placeholder null String It specifies a short hint.
size null Integer It sets number of characters used to determine the width
of the input element.

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

// spinner.xhtml





Spinner

ManagedBean

// Spinner.java

package com.javatpoint;
import javax.faces.bean.ManagedBean;
@ManagedBean
public class Spinner {
private int value1;
private int value2;
public int getValue1() {
return value1;
}
public void setValue1(int value1) {
this.value1 = value1;
}
public int getValue2() {
return value2;
}
public void setValue2(int value2) {
this.value2 = value2;
}
}

输出：