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环境准备
-
IDEA
-
jdk1.8_261
搭建过程
设置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.example</groupId>
<artifactId>servletMemoryShell</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
<version>9.0.83</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>9.0.83</version>
<scope>compile</scope>
</dependency>
</dependencies>
</project>设置目录保持这个样子
设置
目录列表
HelloServlet
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
@WebServlet("/hello")
public class HelloServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html><body>");
out.println("Hello, World!");
out.println("</body></html>");
}
}Main
import org.apache.catalina.Context;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.startup.Tomcat;
import java.io.File;
public class Main {
public static void main(String[] args) throws LifecycleException {
Tomcat tomcat = new Tomcat();
String docBase = "src/main/webapp/";
tomcat.getConnector(); //tomcat 9.0以上需要加这行代码，参考：https://blog.csdn.net/qq_42944840/article/details/116349603
// Context context = tomcat.addWebapp("", new File(".").getAbsolutePath());
Context context = tomcat.addWebapp("/", new File(docBase).getAbsolutePath());
Tomcat.addServlet(context, "helloServlet", new HelloServlet());
context.addServletMappingDecoded("/hello", "helloServlet");
tomcat.start();
tomcat.getServer().await();
}
}index.jsp
<html>
<body>
<h2>Hello World!</h2>
</body>
</html>
web.xml
<?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">
</web-app>tomcat，启动！
结果
往期推荐
原文始发于微信公众号（进击的HACK）：maven搭建tomcat环境（支持jsp）
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