web.xml文件头

1. Servlet 3.1

Java EE 7 XML schema，命名空间是 http://xmlns.jcp.org/xml/ns/javaee/

1. xml version="1.0" encoding="UTF-8"?>
2. <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
3. xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
4. xsi:schemaLocation= "http://xmlns.jcp.org/xml/ns/javaee
5. http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
6. version= "3.1">
8. web-app>

2. Servlet 3.0

Java EE 6 XML schema，命名空间是 http://java.sun.com/xml/ns/javaee

1. xml version="1.0" encoding="UTF-8"?>
2. <web-app xmlns="http://java.sun.com/xml/ns/javaee"
3. xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
4. xsi:schemaLocation= "http://java.sun.com/xml/ns/javaee
5. http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
6. version= "3.0">
8. web-app>

3. Servlet 2.5

Java EE 5 XML schema，命名空间是 http://java.sun.com/xml/ns/javaee

1. xml version="1.0" encoding="UTF-8"?>
2. <web-app xmlns="http://java.sun.com/xml/ns/javaee"
3. xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
4. xsi:schemaLocation= "http://java.sun.com/xml/ns/javaee
5. http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
6. version= "2.5">
8. web-app>

4. Servlet 2.4

Java EE 1.4 XML schema, 命名空间是 http://java.sun.com/xml/ns/j2ee

1. xml version="1.0" encoding="UTF-8"?>
2. <web-app xmlns="http://java.sun.com/xml/ns/j2ee"
3. xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
4. xsi:schemaLocation= "http://java.sun.com/xml/ns/j2ee
5. http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
6. version= "2.4">
8. web-app>

5. Servlet 2.3

Java EE 1.3 DTDs schema，这个版本的web.xml文件太老了，强烈建议升级

2. "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
3. "http://java.sun.com/dtd/web-app_2_3.dtd" >
5. <web-app>
6. <display-name>Servlet 2.3 Web Application display-name>
7. web-app>

版权(c)声明：

本篇文章系转载，原文地址 http://www.mkyong.com/web-development/the-web-xml-deployment-descriptor-examples/

版权归原作者所有，在此并无任何商业用途或其他盈利性用途，转载请务必注明出处！