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Servlet同版本对应的Tomcat及不同版本的web-xml写法.md

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Servlet同版本对应的Tomcat及不同版本的web.xml写法
2019-04-05 07:34:34 -0700
xml
Servlet
JSP
Tomcat
JDK

Tomcat 实现了Java Servlet规范,Java Servlet Pages技术,不同版本的Tomcat支持不同的Servlet及JSP规范.

  • 最新示例图如下所示 :

不同版本的web.xml写法如下 :

  • web.xml v2.3
<?xml version="1.0" encoding="ISO-8859-1"?>  
<!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>  
   <!-- ... -->
</web-app>
  • web.xml v2.4
<?xml version="1.0" encoding="UTF-8"?>  
<web-app id="WebApp_9" version="2.4" 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">  
</web-app>
  • web.xml v2.5
<?xml version="1.0" encoding="UTF-8"?>  
<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>
  • web.xml 3.0
<?xml version="1.0" encoding="UTF-8"?>  
<web-app  
        version="3.0"  
        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">  
</web-app>
  • web.xml 4.0
<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE xml>
<web-app  
        version="4.0"
        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_4_0.xsd">
</web-app>