详解SpringBoot集成jsp（附源码）+遇到的坑
本文介绍了SpringBoot集成jsp（附源码）+遇到的坑 ，分享给大家1、大体步骤
（1）创建Maven web project；
（2）在pom.xml文件添加依赖；
（3）配置application.properties支持jsp
（4）编写测试Controller
（5）编写JSP页面
（6）编写启动类App.java
2、新建SpringInitialzr
3、pom文件
<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.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>4、application.properties文件
# 页面默认前缀目录
spring.mvc.view.prefix=/WEB-INF/jsp/
# 响应页面默认后缀
spring.mvc.view.suffix=.jsp
# 自定义属性，可以在Controller中读取
application.hello=Hello GOD5、Controller文件
package com.example;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import java.util.Map;
/**
* Created by Gensis on 2016/9/9.
*/
@Controller
public class HelloController {
// 从 application.properties 中读取配置，如取不到默认值为Hello
@Value("${application.hello:Hello}")
private String hello;
@RequestMapping("/helloJsp")
public String helloJsp(Map<String, Object> map) {
System.out.println("HelloController.helloJsp().hello=" + hello);
map.put("hello", hello);
return "helloJsp";
}
}
6、jsp页面
<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""https://www.w3.org/TR/html4/loose.dtd">
<html>
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>GOD</title></head>
<body>
helloJsp
<hr>
${hello}
</body>
</html>
7、遇到的问题
1、Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFactory bean
把pom中所有的<scope>provided</scope>注释掉
2、报404
<1>注意controller和restcontroller区别
<2>检查application.properties
<3>检查pom是否缺支持jsp包
3、Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class ; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:187) ~
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:321) ~
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:243) ~
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273) ~
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98) ~
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681) ~
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523) ~
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:313)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174)
at com.example.SampleWebJspApplication.main(SampleWebJspApplication.java:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~
at java.lang.reflect.Method.invoke(Method.java:498) ~
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
Caused by: java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:163) ~
at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:301) ~
at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:237) ~
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:204) ~
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:173) ~
... 17 common frames omitted
解决方案：添加以下依赖
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>4、java.lang.NoClassDefFoundError: javax/servlet/ServletContext
Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContext
at java.lang.Class.getDeclaredMethods0(Native Method) ~
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~
at java.lang.Class.getDeclaredMethods(Class.java:1975) ~
at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:152) ~
... 21 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContext
at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~
... 25 common frames omitted解决方案：添加
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>删除其他依赖中的<scope>provided</scope>
8、源码地址
https://github.com/Genesisxu/SpringSeries/tree/master/SpringBoot-jsp
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持CodeAE代码之家。
https://www.uoften.com/program/jsp/20180413/48175.html
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