JSF数据表(ui:repeat)创建表

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2023-03-14

以下代码显示了如何使用<ui:repeat>创建表。

打开NetBeans，创建一个名称为：UIRepeat 的Web项目，其结构如下所示 -

实例

以下是文件：User.java 文件中的代码 -

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.yiibai;

/**
 *
 * @author Maxsu
 */
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")
@SessionScoped
public class User implements Serializable{

  private static final long serialVersionUID = 1L;

  private static final ArrayList<Book> bookList = 
    new ArrayList<Book>(Arrays.asList(
    new Book("1", "CSS", new BigDecimal("711.00"), 1),
    new Book("2", "SQL", new BigDecimal("522.00"), 2),
    new Book("3", "Java", new BigDecimal("13333.00"), 8),
    new Book("4", "HTML", new BigDecimal("5244.00"), 3),
    new Book("5", "Web", new BigDecimal("441.00"), 10)
  ));

  public ArrayList<Book> getBookList() {
    return bookList;
  }
  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;
    }


  }
}

以下是文件：index.xhtml 文件中的代码 -

<?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:ui="http://java.sun.com/jsf/facelets"
      xmlns:c="http://java.sun.com/jsp/jstl/core"
      >
    <h:body>
        <table class="book-table">
          <tr>
            <th>Book No</th>
            <th>Product Name</th>
            <th>Price</th>
            <th>Quantity</th>
          </tr>
          <tbody>
            <ui:repeat var="o" value="#{book.bookList}" varStatus="status">
              <h:panelGroup rendered="#{status.even}">
                <tr>
                  <td>#{o.bookNo}</td>
                  <td>#{o.productName}</td>
                  <td>#{o.price}</td>
                  <td>#{o.qty}</td>
                </tr>
              </h:panelGroup>
              <h:panelGroup rendered="#{status.odd}">
                <tr>
                  <td>#{o.bookNo}</td>
                  <td>#{o.productName}</td>
                  <td>#{o.price}</td>
                  <td>#{o.qty}</td>
                </tr>
              </h:panelGroup>
            </ui:repeat>
          </tbody>
        </table>
    </h:body>
</html>

运行项目

在UIRepeat 项目上点击右键，选择 【运行】，在Tomcat启动完成后，打开浏览器访问以下地址：

http://localhost:8084/UIRepeat/

如果程序没有错误，应该会看到如下界面 -