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 god
5、controller文件
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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""http://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 [com.example.samplewebjspapplication]; 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) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.annotation.configurationclasspostprocessor.processconfigbeandefinitions(configurationclasspostprocessor.java:321) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.annotation.configurationclasspostprocessor.postprocessbeandefinitionregistry(configurationclasspostprocessor.java:243) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.support.postprocessorregistrationdelegate.invokebeandefinitionregistrypostprocessors(postprocessorregistrationdelegate.java:273) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.support.postprocessorregistrationdelegate.invokebeanfactorypostprocessors(postprocessorregistrationdelegate.java:98) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.support.abstractapplicationcontext.invokebeanfactorypostprocessors(abstractapplicationcontext.java:681) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.support.abstractapplicationcontext.refresh(abstractapplicationcontext.java:523) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.boot.springapplication.refresh(springapplication.java:759) [spring-boot-1.4.0.release.jar:1.4.0.release] at org.springframework.boot.springapplication.refreshcontext(springapplication.java:369) [spring-boot-1.4.0.release.jar:1.4.0.release] at org.springframework.boot.springapplication.run(springapplication.java:313) [spring-boot-1.4.0.release.jar:1.4.0.release] at org.springframework.boot.springapplication.run(springapplication.java:1185) [spring-boot-1.4.0.release.jar:1.4.0.release] at org.springframework.boot.springapplication.run(springapplication.java:1174) [spring-boot-1.4.0.release.jar:1.4.0.release] at com.example.samplewebjspapplication.main(samplewebjspapplication.java:20) [classes/:na] at sun.reflect.nativemethodaccessorimpl.invoke0(native method) ~[na:1.8.0_77] at sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62) ~[na:1.8.0_77] at sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43) ~[na:1.8.0_77] at java.lang.reflect.method.invoke(method.java:498) ~[na:1.8.0_77] at com.intellij.rt.execution.application.appmain.main(appmain.java:147) [idea_rt.jar:na] 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) ~[spring-core-4.3.2.release.jar:4.3.2.release] at org.springframework.context.annotation.configurationclassparser.doprocessconfigurationclass(configurationclassparser.java:301) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.annotation.configurationclassparser.processconfigurationclass(configurationclassparser.java:237) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.annotation.configurationclassparser.parse(configurationclassparser.java:204) ~[spring-context-4.3.2.release.jar:4.3.2.release] at org.springframework.context.annotation.configurationclassparser.parse(configurationclassparser.java:173) ~[spring-context-4.3.2.release.jar:4.3.2.release] ... 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) ~[na:1.8.0_77] at java.lang.class.privategetdeclaredmethods(class.java:2701) ~[na:1.8.0_77] at java.lang.class.getdeclaredmethods(class.java:1975) ~[na:1.8.0_77] at org.springframework.core.type.standardannotationmetadata.getannotatedmethods(standardannotationmetadata.java:152) ~[spring-core-4.3.2.release.jar:4.3.2.release] ... 21 common frames omitted caused by: java.lang.classnotfoundexception: javax.servlet.servletcontext at java.net.urlclassloader.findclass(urlclassloader.java:381) ~[na:1.8.0_77] at java.lang.classloader.loadclass(classloader.java:424) ~[na:1.8.0_77] at sun.misc.launcher$appclassloader.loadclass(launcher.java:331) ~[na:1.8.0_77] at java.lang.classloader.loadclass(classloader.java:357) ~[na:1.8.0_77] ... 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
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