如何修改多个servlet的web.xml

Question

我只是很困惑如何修改多个servlet的web.xml。 我有三个servlet来处理三个不同的jsp，但现在只有一个servlet有效。

Answer 1

你应该声明和定义的类/ web.xml文件像这里面的servlet：

<?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"> 
    <servlet> 
     <servlet-name>LoginForm</servlet-name> 
     <servlet-class>com.project.system.LoginForm</servlet-class> 
    </servlet> 
    <servlet> 
     <servlet-name>RegisterForm</servlet-name> 
     <servlet-class>com.project.system.RegisterForm</servlet-class> 
    </servlet> 
    <servlet> 
     <servlet-name>UserController</servlet-name> 
     <servlet-class>com.project.controller.UserController</servlet-class> 
    </servlet> 
    <servlet-mapping> 
     <servlet-name>LoginForm</servlet-name> 
     <url-pattern>/LoginForm</url-pattern> 
    </servlet-mapping> 

    <servlet-mapping> 
     <servlet-name>RegisterForm</servlet-name> 
     <url-pattern>/RegisterForm</url-pattern> 
    </servlet-mapping> 
    <servlet-mapping> 
     <servlet-name>UserController</servlet-name> 
     <url-pattern>/UserController</url-pattern> 
    </servlet-mapping> 
    <session-config> 
     <session-timeout> 
      30 
     </session-timeout> 
    </session-config> 
</web-app>