以下代码显示如何向DataTable添加行号。
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">No</f:facet>
#{book.bookList.rowIndex + 1}
</h:column>
<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: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:form>
</h:body>
</html>
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;
}
下面的代码来自UserBean.java。
package cn..common;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import javax.faces.model.ArrayDataModel;
import javax.faces.model.DataModel;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
@ManagedBean(name="book")
@SessionScoped
public class UserBean implements Serializable{
private static final long serialVersionUID = 1L;
String bookNo;
String productName;
BigDecimal price;
int qty;
private static final Book[] bookList = new Book[]{
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 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 DataModel<Book> book = new ArrayDataModel<Book>(bookList);
public DataModel<Book> getBookList() {
return book;
}
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;
}
}
}
下载 DataTable_Row_Number.zip将生成的WAR文件从目标文件夹复制到Tomcat部署文件夹，并运行Tomcat-Install-folder/bin/startup.bat。
Tomcat完成启动后，在浏览器地址栏中键入以下URL。
http://localhost:8080/simple-webapp/demo.xhtml
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