不同版本(2.3-3.1)web.xml文件的schema头部声明
web.xml deployment descriptor examples
Web.xml是一个描述如何部署Web应用程序的配置文件。这里有5个Web.xml示例,仅供参考。
1. Servlet 3.1
Java EE 7 XML schema,命名空间是 http://xmlns.jcp.org/xml/ns/javaee/
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> </web-app>
2. Servlet 3.0
Java EE 6 XML schema,命名空间是 http://java.sun.com/xml/ns/javaee
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> </web-app>
3. Servlet 2.5
Java EE 5 XML schema,命名空间是 http://java.sun.com/xml/ns/javaee
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5"> </web-app>
4. Servlet 2.4
Java EE 1.4 XML schema, 命名空间是 http://java.sun.com/xml/ns/j2ee
<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4"> <display-name>Servlet 2.4 Web Application</display-name> </web-app>
5. Servlet 2.3
Java EE 1.3 DTDs schema
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Servlet 2.3 Web Application</display-name>
</web-app>
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