Servlet3.1规范（中文最终版）

servlet-3_1-final.pdf

servlet-3-1-specification.pdf

.xml–>将web-app_3_0.xsd" version="3.0"改为相应版本

jar:file:/E:/mywork/MavenRepository/javax/servlet/servlet-api/2.5/servlet-api-2.5.jar!/javax/servlet/ServletContext.class jar:file:/E:/mywork/MavenRepository/org/apache/tomcat/embed/tomcat-embed-core/9.0.70/tomcat-embed-core-9.0.70.jar!/javax/servlet/ServletContext.class jar:file:/E:/mywork/MavenRepository/javax/servlet/javax.servlet-api/4.0.1/javax.servlet-api-4.0.1.jar!/javax/servlet/ServletContext.class

<servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.css</url-pattern> </servlet-mapping>的其他表示方法

Caused by: java.lang.ClassNotFoundException: javax.servlet.http.HttpServletRequest at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_261] at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_261] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) ~[?:1.8.0_261] at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_261] at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:1.8.0_261] at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[?:1.8.0_261] at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[?:1.8.0_261] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:463) ~[spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE] at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:321) ~[spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:267) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] ... 15 more

<?xml version="1.0" encoding="utf-8" ?> <web-app> <display-name>Archetype Created Web Application</display-name> <servlet> <servlet-name>dispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:Work3.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>

<servlet> <servlet-name>LoginServlet</servlet-name> <servlet-class>cn.itcast.LoginServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>LoginServlet</servlet-name> <url-pattern>/LoginServlet</url-pattern> </servlet-mapping> </web-app>这串代码是否正确

在Java Web应用开发中，当用户在浏览器中输入: http://localhost:8080/myWebapp/star t/,就会调用pk包中名为Student的Servlet, 那么在web. xm 1中正确的配置是() (选择一项) O A: <servlet> <servlet- name>/start/* </servlet- name> <servlet-class> pk.Student </servlet-class> </servlet> 0 B: <servlet> <servlet-name> pk.Student </servlet-name> <url-pattern> /start/* </url-pattern> </servlet> 0 C: <servlet> <servlet- name> student </servlet-name> <servlet-class> pk Student </servlet class> </servlet> <servlet- mapping> <servlet-name> student </servlet name> <url-pattern> /start/*</ url-pattern > </servlet-mapping> 0 D: <servlet> <servlet- name> pk.Student </servlet-name> <servlet-class> student </servlet-class> </servlet> <servlet-mapping> <servlet- name> pk.Student </servlet name> <url-pattern>/start/*</ url-pattern > </servlet-mapping>

<?xml version="1.0" encoding="UTF-8"?> <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_4_0.xsd" version="4.0"> <servlet> <servlet-name>loginServlet</servlet-name> <servlet-class>com.cs.servelt.LoginServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>loginServlet</servlet-name> <url-pattern>/userlogin</url-pattern> </servlet-mapping> </web-app>是这个吗

javax/servlet/javax.servlet-api/4.0.1/javax.servlet-api-4.0.1.jar!/javax/ser

这段代码是什么意思：<servlet> <servlet-name>FindProductByManyConditionServlet</servlet-name> <servlet-class>kafeisc.web.servlet.manager.FindProductByManyConditionServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>FindProductByManyConditionServlet</servlet-name> <url-pattern>/findProductByManyCondition</url-pattern> </servlet-mapping>

<?xml version="1.0" encoding="UTF-8"?> <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_4_0.xsd" version="4.0"> <servlet> <servlet-name>abc</servlet-name> <servlet-class>com.atguigu.servlet.HelloServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>abc</servlet-name> <url-pattern>/hello</url-pattern> </servlet-mapping> </web-app> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body>

admin页面

那<servlet-mapping></servlet-mapping>中应该怎么写

<servlet> <servlet-name>test1</servlet-name> <servlet-class>com.test.test1</servlet-class> </servlet> <servlet-mapping> <servlet-name>test1</servlet-name> <url-pattern>/test1</url-pattern> </servlet-mapping> servlet-class爆红

validateJarFile(E:\IdeaProjects\dwlesbserver\target\dwlesbserver\WEB-INF\lib\javax.servlet-api-3.1.0.jar) - jar not loaded

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" >怎么改成3.0版本的协议

项目中缺少servlet-api.jar或者javax.servlet-api.jar等Servlet API的依赖包，怎么在项目中添加相应的依赖包。

xml下的servlet和servlet_mapping标记是干什么用的