23.启动内嵌Jetty服务器

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SpringBoot默认使用Tomcat服务器，但是也可以使用其他内嵌的服务器。

启动内嵌的Jetty服务器：

1.修改pom.xml，排除tomcat的依赖，引入jetty的启动器

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<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

spring-boot-starter-web包含spring-boot-starter-tomcat

修改pom.xml，排除tomcat的依赖，同时引入jetty的启动器

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<project>
    <dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
			
			<!-- 排除Tomcat的依赖 -->
			<exclusions>
				<exclusion>
					<groupId>org.springframework.boot</groupId>
    				<artifactId>spring-boot-starter-tomcat</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		
		<!-- 引入Jetty的启动器 -->
		<dependency>
		    <groupId>org.springframework.boot</groupId>
		    <artifactId>spring-boot-starter-jetty</artifactId>
		</dependency>
    </dependencies>
</project>

2.yml配置

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server:
  port: 8081    # 端口的配置
#  tomcat:
#    uri-encoding: UTF-8       # 编码的配置
  servlet:
    context-path: /test/demo    # 相当于配置了项目部署的名字
    session:
      timeout: 1800       # HttpSession的超时时间

运行启动类，启动项目

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  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.4.5)

2022-05-31 15:13:41.063  INFO 6980 --- [  restartedMain] com.example.demo.Application             : Starting Application using Java 1.8.0_271 on DESKTOP-IOB28AF with PID 6980 (E:\SpringToolSuite\project\demo-4.8.1\09_springboot_web_conf_my\target\classes started by Tom in E:\SpringToolSuite\project\demo-4.8.1\09_springboot_web_conf_my)
2022-05-31 15:13:41.065  INFO 6980 --- [  restartedMain] com.example.demo.Application             : No active profile set, falling back to default profiles: default
2022-05-31 15:13:41.108  INFO 6980 --- [  restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2022-05-31 15:13:41.108  INFO 6980 --- [  restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2022-05-31 15:13:41.704  INFO 6980 --- [  restartedMain] org.eclipse.jetty.util.log               : Logging initialized @1388ms to org.eclipse.jetty.util.log.Slf4jLog
2022-05-31 15:13:41.830  INFO 6980 --- [  restartedMain] o.s.b.w.e.j.JettyServletWebServerFactory : Server initialized with port: 8081
2022-05-31 15:13:41.833  INFO 6980 --- [  restartedMain] org.eclipse.jetty.server.Server          : jetty-9.4.39.v20210325; built: 2021-03-25T14:42:11.471Z; git: 9fc7ca5a922f2a37b84ec9dbc26a5168cee7e667; jvm 1.8.0_271-b09
2022-05-31 15:13:41.857  INFO 6980 --- [  restartedMain] o.e.j.s.h.ContextHandler.application     : Initializing Spring embedded WebApplicationContext
2022-05-31 15:13:41.857  INFO 6980 --- [  restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 748 ms
2022-05-31 15:13:41.921  INFO 6980 --- [  restartedMain] org.eclipse.jetty.server.session         : DefaultSessionIdManager workerName=node0
2022-05-31 15:13:41.921  INFO 6980 --- [  restartedMain] org.eclipse.jetty.server.session         : No SessionScavenger set, using defaults
2022-05-31 15:13:41.922  INFO 6980 --- [  restartedMain] org.eclipse.jetty.server.session         : node0 Scavenging every 600000ms
2022-05-31 15:13:41.931  INFO 6980 --- [  restartedMain] o.e.jetty.server.handler.ContextHandler  : Started o.s.b.w.e.j.JettyEmbeddedWebAppContext@1548eee4{application,/test/demo,[org.springframework.boot.web.embedded.jetty.JettyServletWebServerFactory$LoaderHidingResource@6670b655],AVAILABLE}
2022-05-31 15:13:41.931  INFO 6980 --- [  restartedMain] org.eclipse.jetty.server.Server          : Started @1617ms
2022-05-31 15:13:42.101  INFO 6980 --- [  restartedMain] o.s.s.concurrent.ThreadPoolTaskExecutor  : Initializing ExecutorService 'applicationTaskExecutor'
2022-05-31 15:13:42.169  INFO 6980 --- [  restartedMain] o.s.b.a.w.s.WelcomePageHandlerMapping    : Adding welcome page: class path resource [static/index.html]
2022-05-31 15:13:42.263  INFO 6980 --- [  restartedMain] o.s.b.d.a.OptionalLiveReloadServer       : LiveReload server is running on port 35729
2022-05-31 15:13:42.278  INFO 6980 --- [  restartedMain] o.e.j.s.h.ContextHandler.application     : Initializing Spring DispatcherServlet 'dispatcherServlet'
2022-05-31 15:13:42.278  INFO 6980 --- [  restartedMain] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2022-05-31 15:13:42.279  INFO 6980 --- [  restartedMain] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms
2022-05-31 15:13:42.478  INFO 6980 --- [  restartedMain] o.e.jetty.server.AbstractConnector       : Started ServerConnector@65347586{HTTP/1.1, (http/1.1)}{0.0.0.0:8081}
2022-05-31 15:13:42.479  INFO 6980 --- [  restartedMain] o.s.b.web.embedded.jetty.JettyWebServer  : Jetty started on port(s) 8081 (http/1.1) with context path '/test/demo'
2022-05-31 15:13:42.489  INFO 6980 --- [  restartedMain] com.example.demo.Application             : Started Application in 1.768 seconds (JVM running for 2.175)

controller

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package com.example.demo.controller;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.example.demo.vo.Student;

@Controller
@RequestMapping("index")
public class IndexController {
	
	@RequestMapping(value = "getStudentInfo", method = RequestMethod.GET)
	@ResponseBody
	public Student getStudentInfo() throws ParseException {
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Date birthday = format.parse("2020-01-01 10:10:10");
		
		Student student = new Student();
		student.setId(1);
		student.setName("John");
		student.setBirthday(birthday);
		
		return student;
	}

}

浏览器访问http://localhost:8081/test/demo/index/getStudentInfo