我是Spring的新手,我正在尝试创建一个简单的Web应用程序,但是我无法开始使用基础知识,甚至无法创建HelloWorld应用程序。
这是我正在使用的:
Spring 5 Spring boot 2.1 Eclipse Photon,我使用附加的Spring Tools Version 3.9.6来创建proyect
这是我做的:通过File - > New - > Spring Starter Project创建,选择类型包类型为WAR,也在我选择Web的依赖项部分
将jstl和jasper依赖项添加到pom.xml,这是整个文件:
<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.logback.app</groupId>
<artifactId>spring-boot-logback</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>spring-boot-logback</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.1.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-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
**<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>**
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
我的视图模板如下:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1" />
<title>Logback</title>
</head>
<body>
<h1>Hello world</h1>
<h2><c:out value="${titulo}"/></h2>
</body>
</html>
这是我的控制器:
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
@Controller
public class IndexController {
@GetMapping("/index")
public String index(Model model) {
model.addAttribute("titulo", "Pruebas Logback");
return "index";
}
}
我将这些添加到application.properties文件中
spring.mvc.view.prefix: /WEB-INF-/views/
spring.mvc.view.suffix: jsp
使用所有这些配置它应该工作,但当我输入地址localhost:8080 / index时,它会抛出404错误
最奇怪的是,无论是在Web浏览器控制台还是在Eclipse控制台中都没有指出正确方向的错误。
你觉得它可以是什么?提前致谢
感谢Piotr Podraza,我意识到自己的错误
变
spring.mvc.view.prefix: /WEB-INF-/views/
spring.mvc.view.suffix: jsp
至
spring.mvc.view.prefix: /WEB-INF/views/
spring.mvc.view.suffix: .jsp
我的观点的路径不正确,我错过了jsp后缀的周期
谢谢!