这书适合我。
哈哈,结合 以前的知识点,勉强能看懂。
讲得细,还可以参照着弄出来。
希望能坚持 完成啦。。。
原来,JSTL就类似于DJANGO中的模板。
而servlet类中的res,req,玩了DJANGO就觉得好熟悉啦。。。:)
用servlet3.0,web.xml零配置哟。
POM.XML
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>org.smart4j</groupId><artifactId>chapter1</artifactId><version>1.0.0</version><packaging>war</packaging><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><dependency><groupId>javax.servlet</groupId><artifactId>javax.servlet-api</artifactId><version>3.1.0</version><scope>provided</scope></dependency><dependency><groupId>javax.servlet.jsp</groupId><artifactId>jsp-api</artifactId><version>2.2</version><scope>provided</scope></dependency><dependency><groupId>javax.servlet</groupId><artifactId>jstl</artifactId><version>1.2</version><scope>runtime</scope></dependency></dependencies><build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.3</version><configuration><source>1.8</source><target>1.8</target></configuration></plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-surefire-plugin</artifactId><version>2.18.1</version><configuration><skipTests>true</skipTests></configuration></plugin><plugin><groupId>org.apache.tomcat.maven</groupId><artifactId>tomcat7-maven-plugin</artifactId><version>2.2</version><configuration><path>/${project.artifactId}</path></configuration></plugin></plugins></build> </project>
WEB.XML
<?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/javaeehttp://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"version="3.0"> </web-app>
HELLOSERVLET.JAVA
package org.smart4j.chapter1;/*** Created by sahara on 2016/3/13.*/ import java.io.IOException; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;@WebServlet("/hello") public class HelloServlet extends HttpServlet {@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String currentTime = dateFormat.format(new Date());req.setAttribute("currentTime", currentTime);req.getRequestDispatcher("/WEB-INF/jsp/hello.jsp").forward(req, resp);} }
上图: