主类SpringBootHelloWorldApplication.java
package com.javainuse;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringBootHelloWorldApplication {
public static void main(String[] args) {
SpringApplication.run(SpringBootHelloWorldApplication.class, args);
}
}
[project layout][1]
映射TestController.java
package com.javainuse.controllers;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class TestController {
@RequestMapping("/welcome")
public String firstPage(ModelMap map) {
return "welcome";
}
}
的welcome.jsp
<!DOCTYPE html>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>First Web Application</title>
</head>
</html>
4.application.properties
server.port=8086
spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp
5.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>com.javainuse</groupId>
<artifactId>SpringBootHelloWorld</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>SpringBootHelloWorld</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.1.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- <dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency> -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>bootstrap</artifactId>
<version>3.3.7</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
6. error in console after hitting http://localhost:8086/welcome
。 ____ _ __ _ _ / \ / ＆＃39; __ _ （）_ __ __ _ \ \ \ \ （（）_ |＆＃39; _ |＆＃39; | |＆＃39; / `| \ \ \ \ \ / ）| | ）| | | | | || （ | |）））） ＆＃39; | ____ | | | | | | | __，| / / / / / ========= | _ | ============== | ___ / = / / / _ / :: Spring Boot ::（v1.4.1.RELEASE）
2017-11-24 23:38:08.290 INFO 10028 --- [restartedMain] cjSpringBootHelloWorldApplication：在NITISH上使用PID 10028启动SpringBootHelloWorldApplication（C：\ Users \ sumit \ workspace1 \ SpringBootHelloWorld \ target \ classes由sumit启动C：\ Users \用户SUMIT \工作空间1 \ SpringBootHelloWorld） 2017-11-24 23:38:08.291 INFO 10028 --- [restartedMain] c.j.SpringBootHelloWorldApplication：没有活动的配置文件集，回退到默认配置文件：默认 2017-11-24 23:38:08.296 INFO 10028 --- [restartedMain] ationConfigEmbeddedWebApplicationContext：刷新org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@53707808：启动日期[Fri Nov 24 23:38:08 IST 2017];上下文层次结构的根 2017-11-24 23：38：09.020 INFO 10028 --- [restartedMain] s.b.c.e.t.TomcatEmbeddedServletContainer：使用端口初始化的Tomcat：8086（http） 2017-11-24 23：38：09.022 INFO 10028 --- [restartedMain] o.apache.catalina.core.StandardService：启动服务Tomcat 2017-11-24 23：38：09.022 INFO 10028 --- [restartedMain] org.apache.catalina.core.StandardEngine：启动Servlet引擎：Apache Tomcat / 8.5.5 2017-11-24 23：38：09.033 INFO 10028 --- [ost-startStop-1] o.a.c.c.C. [Tomcat]。[localhost]。[/]：初始化Spring嵌入式WebApplicationContext 2017-11-24 23：38：09.034 INFO 10028 --- [ost-startStop-1] o.s.web.context.ContextLoader：Root WebApplicationContext：初始化在738 ms完成 2017-11-24 23：38：09.085 INFO 10028 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean：映射servlet：＆＃39; dispatcherServlet＆＃39;至 [/] 2017-11-24 23：38：09.086 INFO 10028 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean：映射过滤器：＆＃39; characterEncodingFilter＆＃39;至：[/ ] 2017-11-24 23：38：09.086 INFO 10028 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean：映射过滤器：＆＃39; hiddenHttpMethodFilter＆＃39;致：[/ ] 2017-11-24 23：38：09.086 INFO 10028 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean：映射过滤器：＆＃39; httpPutFormContentFilter＆＃39;至：[/ ] 2017-11-24 23：38：09.087 INFO 10028 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean：映射过滤器：＆＃39; requestContextFilter＆＃39;致：[/ ] 2017-11-24 23:38:09.187 INFO 10028 --- [restartedMain] swsmmaRequestMappingHandlerAdapter：寻找@ControllerAdvice：org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@53707808：启动日期[Fri Nov 24 23:38： 08 IST 2017];上下文层次结构的根 2017-11-24 23：38：09.203 INFO 10028 --- [restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping：Mapped＆＃34; {[/ welcome]}＆＃34;到public java.lang.String com.javainuse.controllers.TestController.firstPage（org.springframework.ui.ModelMap） 2017-11-24 23：38：09.207 INFO 10028 --- [restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping：Mapped＆＃34; {[/ error]}＆＃34; on public org.springframework.http.ResponseEntity＆gt; org.springframework.boot.autoconfigure.web.BasicErrorController.error（javax.servlet.http.HttpServletRequest） 2017-11-24 23：38：09.208 INFO 10028 --- [restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping：Mapped＆＃34; {[/ error]，produce = [text / html]}＆＃34; on public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml（javax.servlet.http.HttpServletRequest，javax.servlet.http.HttpServletResponse） 2017-11-24 23:38:09.218 INFO 10028 --- [restartedMain] oswshandler.SimpleUrlHandlerMapping：将URL路径[/ webjars / ]映射到类型为[org.springframework.web.servlet.resource类]的处理程序。 ResourceHttpRequestHandler] 2017-11-24 23:38:09.218 INFO 10028 --- [restartedMain] oswshandler.SimpleUrlHandlerMapping：映射的URL路径[/ ]到[class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]类型的处理程序] 2017-11-24 23：38：09.236 INFO 10028 --- [restartedMain] oswshandler.SimpleUrlHandlerMapping：将URL路径[/**/favicon.ico]映射到[class org.springframework.web.servlet.resource]类型的处理程序.ResourceHttpRequestHandler] 2017-11-24 23：38：09.307 INFO 10028 --- [restartedMain] o.s.b.d.a.OptionalLiveReloadServer：LiveReload服务器正在端口35729上运行 2017-11-24 23：38：09.363 INFO 10028 --- [restartedMain] o.s.j.e.a.AnnotationMBeanExporter：在启动时为JMX曝光注册bean 2017-11-24 23：38：09.378 INFO 10028 --- [restartedMain] s.b.c.e.t.TomcatEmbeddedServletContainer：Tomcat在端口上启动：8086（http） 2017-11-24 23：38：09.381 INFO 10028 --- [restartedMain] c.j.SpringBootHelloWorldApplication：在1.146秒内启动SpringBootHelloWorldApplication（JVM运行63.677） 2017-11-24 23:38:23.373 INFO 10028 --- [nio-8086-exec-1] o.a.c.c.C. [Tomcat]。[localhost]。[/]：初始化Spring FrameworkServlet＆＃39; dispatcherServlet＆＃39; 2017-11-24 23：38：23.374 INFO 10028 --- [nio-8086-exec-1] o.s.web.servlet.DispatcherServlet：FrameworkServlet＆＃39; dispatcherServlet＆＃39 ;:初始化开始 2017-11-24 23：38：23.377 INFO 10028 --- [nio-8086-exec-1] o.s.web.servlet.DispatcherServlet：FrameworkServlet＆＃39; dispatcherServlet＆＃39;：初始化在3毫秒内完成
> **2017-11-24 23:38:23.386 ERROR 10028 --- [nio-8086-exec-1] org.thymeleaf.TemplateEngine : **
>
> > [THYMELEAF][http-nio-8086-exec-1] Exception processing template
> > "welcome": Error resolving template "welcome", template might not
> > exist or might not be accessible by any of the configured Template
> > Resolvers 2017-11-24 23:38:23.388 **ERROR 10028 --- [nio-8086-exec-1]
> > o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for
> > servlet [dispatcherServlet] in context with path [] threw exception
> > [Request processing failed; nested exception is
> > org.thymeleaf.exceptions.TemplateInputException: Error resolving
> > template "welcome", template might not exist or might not be
> > accessible by any of the configured Template Resolvers] with root
> > cause org.thymeleaf.exceptions.TemplateInput**Exception: Error
> > resolving template "welcome", template might not exist or might not be
> > accessible by any of the configured Template Resolvers at
> > org.thymeleaf.TemplateRepository.getTemplate(TemplateRepository.java:246)
> > ~[thymeleaf-2.1.5.RELEASE.jar:2.1.5.RELEASE] at
> > org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1104)
> > ~[thymeleaf-2.1.5.RELEASE.jar:2.1.5.RELEASE] at
> > org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1060)
> > ~[thymeleaf-2.1.5.RELEASE.jar:2.1.5.RELEASE] at
> > org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1011)
> > ~[thymeleaf-2.1.5.RELEASE.jar:2.1.5.RELEASE]** at
> > org.thymeleaf.spring4.view.ThymeleafView.renderFragment(ThymeleafView.java:335)
> > ~[thymeleaf-spring4-2.1.5.RELEASE.jar:2.1.5.RELEASE] at
> > org.thymeleaf.spring4.view.ThymeleafView.render(ThymeleafView.java:190)
> > ~[thymeleaf-spring4-2.1.5.RELEASE.jar:2.1.5.RELEASE] at
> > org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1257)
> > ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE]
>
> ** at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1037)
> ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980)
> ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
> ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
> ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
> ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
> ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
> ~[tomcat-embed-websocket-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
> ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:89)
> ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
> ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
> ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
> ~[tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:784)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:802)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1410)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at
> java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> [na:1.8.0_121] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> [na:1.8.0_121] at
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
> [tomcat-embed-core-8.5.5.jar:8.5.5] at java.lang.Thread.run(Unknown
> Source) [na:1.8.0_121]
[1]: https://i.stack.imgur.com/xvYoS.png
答案 0 :(得分：0)
将X重命名为welcome.jsp并将文件移至目录welcome.html（如果不存在则创建目录）。默认情况下，从src/main/resources/templates/文件夹中读取百万美元模板。