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惠州分享JSF DataTable添加删除实例_北大青鸟IT软件学校

作者：邓华发布时间：2021-04-28分类：Java技术浏览：877

导读：Java是现在非常主流的编程语言之一，很多人想转行学习IT，首选Java语言。那么下面惠州北大青鸟老师给大家分享JSF DataTable添加删除的实例。

Java是现在非常主流的编程语言之一，很多人想转行学习IT，首选Java语言。那么下面惠州北大青鸟老师给大家分享JSF DataTable添加删除的实例。

实例

以下代码来自demo.xhtml。

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:ui="http://java.sun.com/jsf/facelets">
<h:head>
<h:outputStylesheet library="css" name="table-style.css" />
</h:head>
<h:body>
<h:form>
<h:dataTable value="#{book.bookList}" var="o"
styleClass="book-table"
headerClass="book-table-header"
rowClasses="book-table-odd-row,book-table-even-row">
<h:column>
<f:facet name="header">Book No</f:facet>#{o.bookNo}
</h:column>
<h:column>
<f:facet name="header">Product Name</f:facet>#{o.productName}
</h:column>
<h:column>
<f:facet name="header">Price</f:facet>#{o.price}
</h:column>
<h:column>
<f:facet name="header">Quantity</f:facet>#{o.qty}
</h:column>
<h:column>
<f:facet name="header">Action</f:facet>
<h:commandLink value="Delete" action="#{book.deleteAction(o)}" />
</h:column>
</h:dataTable>
<h3>Enter Book</h3>
<table>
<tr>
<td>Book No :</td>
<td><h:inputText size="20" value="#{book.bookNo}" /></td>
</tr>
<tr>
<td>Product Name :</td>
<td><h:inputText size="20" value="#{book.productName}" /></td>
</tr>
<tr>
<td>Quantity :</td>
<td><h:inputText size="20" value="#{book.price}" /></td>
</tr>
<tr>
<td>Price :</td>
<td><h:inputText size="20" value="#{book.qty}" /></td>
</tr>
</table>
<h:commandButton value="Add" action="#{book.addAction}" />
</h:form>
</h:body>
</html>

下面的代码来自UserBean.java。

package cn.w3cschool.common;

import java.io.Serializable;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

@ManagedBean(name="book")
@SessionScopedpublic class UserBean implements Serializable{ private static final long serialVersionUID = 1L;
String bookNo;
String productName;
BigDecimal price;
int qty; public String getBookNo() {
return bookNo;
} public void setBookNo(String bookNo) {
this.bookNo = bookNo;
} public String getProductName() {
return productName;
} public void setProductName(String productName) {
this.productName = productName;
} public BigDecimal getPrice() {
return price;
} public void setPrice(BigDecimal price) {
this.price = price;
} public int getQty() {
return qty;
} public void setQty(int qty) {
this.qty = qty;
} private static final ArrayList<Book> bookList =
new ArrayList<Book>(Arrays.asList(
new Book("1", "CSS", new BigDecimal("123.12"), 1), new Book("2", "HTML", new BigDecimal("321.12"), 2), new Book("3", "SQL", new BigDecimal("12333.33"), 8), new Book("4", "Javascript", new BigDecimal("1233.33"), 3), new Book("5", "Web", new BigDecimal("123.22"), 10)
));
public ArrayList<Book> getBookList() {
return bookList;
} public String addAction() {
Book book = new Book(this.bookNo, this.productName,
this.price, this.qty);
bookList.add(book);
return null;
} public String deleteAction(Book book) {

bookList.remove(book);
return null;
} public static class Book{

String bookNo;
String productName;
BigDecimal price;
int qty;
public Book(String bookNo, String productName,
BigDecimal price, int qty) {
this.bookNo = bookNo;
this.productName = productName;
this.price = price;
this.qty = qty;
}
public String getBookNo() {
return bookNo;
} public void setBookNo(String bookNo) {
this.bookNo = bookNo;
} public String getProductName() {
return productName;
} public void setProductName(String productName) {
this.productName = productName;
} public BigDecimal getPrice() {
return price;
} public void setPrice(BigDecimal price) {
this.price = price;
} public int getQty() {
return qty;
} public void setQty(int qty) {
this.qty = qty;
}
}

}

以下代码来自table-style.css。

.book-table-header{
bbook-bottom:1px solid #BBB;
padding:16px;
}

.book-table-odd-row{
bbook-top:1px solid #BBB;
}

.book-table-even-row{
bbook-top:1px solid #BBB;
}

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Java

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惠州分享JSF DataTable添加删除实例_北大青鸟IT软件学校

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