springboot整合JSP以及发布项目到独立的tomcat中与打成jar包使用
之前研究了springboot整合freemarker与thymeleaf的使用。也研究了springboot发布到独立的tomcat的使用以及使用自带的tomcat打成jar包的使用，下面研究集成JSP之后的使用。
建议还是使用官方提倡的thymeleaf模板。而且thymeleaf与html很好的集成，便于前后端人员开发。
1.集成JSP
pom.xml添加JSP相关依赖:
<!-- 使用jsp引擎，springboot内置tomcat没有此依赖 -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<scope>provided</scope>
</dependency>
<!-- 添加servlet依赖模块 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<!-- 添加jstl标签库依赖模块 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
application.properties文件中配置相关信息:
############################################################
#
# JSP 配置
#
############################################################
spring.mvc.view.suffix=.jsp
spring.mvc.view.prefix=/WEB-INF/jsp/
注意:如果项目中集成了thymeleaf，需要关掉thymeleaf，否则会将jsp作为thymleaf解析，如下:
# 关闭缓存, 即时刷新
spring.thymeleaf.cache=false
#关闭thymeleaf引擎
spring.thymeleaf.enabled=false
对应的目录结构:
后台Controller测试:
package cn.qlq.action; import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping; @RequestMapping("JSP")
@Controller
public class JSPController {
@RequestMapping("index")
public String index(ModelMap map) {
map.addAttribute("name", "testname");
return "index";
}
}
访问测试:
2.测试项目发布到独立的tomcat运行
如果发布到独立的tomcat运行的话，与之前的的一样
(1)继承SpringBootServletInitializer，重写configure方法。
package cn.qlq.config; import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.support.SpringBootServletInitializer;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration; // 发布到独立的Tomcat需要继承SpringBootServletInitializer类并重写configure方法 @Configuration // 通过该注解来表明该类是一个Spring的配置，相当于一个xml文件
@ComponentScan(basePackages = "cn.qlq") // 配置扫描包
public class SpringConfig extends SpringBootServletInitializer {
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
// 设置启动类，用于独立tomcat运行的入口
return builder.sources(SpringConfig.class);
} }
(2)pom.xml打包的方式改为war包，将对应的jsp和servlet的包依赖改为provided即可。
<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>cn.qlq</groupId>
<artifactId>springboot-ssm</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging> <parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.2.RELEASE</version>
</parent> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency> <!-- 设置Tomcat打包的时候不打包下面配置 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<!-- 使用jsp引擎，springboot内置tomcat没有此依赖 -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<scope>provided</scope>
</dependency>
<!-- 添加servlet依赖模块 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<!-- 添加jstl标签库依赖模块 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency> <!-- spring-boot整合mybatis -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.1.1</version>
</dependency>
<!-- mysql驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.3.7.RELEASE</version>
</dependency> <dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.2</version>
</dependency> <!-- 引入 freemarker 模板依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency> <!-- 引入 thymeleaf 模板依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
</dependencies> <build>
<!-- 配置了很多插件 -->
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
(3)执行clean package打包即可
(4)将打的war包拷贝到tomcat的webapps目录下运行即可
(5)查看tomcat启动解压后的目录结构:(与之前研究的一样，加了springboot的东西,而且provided依赖的jar包也会打到一个目录中)
3.打成war包运行并以java -jar的方式运行war包
(1) pom.xml打包的方式仍然未war包，将对应的jsp和servlet的包依赖改为compile(默认就是)即可。继成SpringBootServletInitializer，与上面一样。这里打包方式仍然是war包的原因是如果打的是jar包不会打WEB-INF目录，也就是没有jsp页面，所以导致访问报错。
(2)pom.xml将jsp与servlet与tomcat的包依赖改为默认的compile
<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>cn.qlq</groupId>
<artifactId>springboot-ssm</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging> <parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.2.RELEASE</version>
</parent> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency> <!-- 设置Tomcat打包的时候不打包下面配置 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<!-- <scope>provided</scope> -->
</dependency>
<!-- 使用jsp引擎，springboot内置tomcat没有此依赖 -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<!-- <scope>provided</scope> -->
</dependency>
<!-- 添加servlet依赖模块 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<!-- <scope>provided</scope> -->
</dependency>
<!-- 添加jstl标签库依赖模块 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency> <!-- spring-boot整合mybatis -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.1.1</version>
</dependency>
<!-- mysql驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.3.7.RELEASE</version>
</dependency> <dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.2</version>
</dependency> <!-- 引入 freemarker 模板依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency> <!-- 引入 thymeleaf 模板依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
</dependencies> <distributionManagement>
<repository>
<id>releases</id>
<url>http://192.168.0.133:8081/repository/maven-releases/</url>
</repository>
<snapshotRepository>
<id>snapshots</id>
<url>http://192.168.0.133:8081/repository/maven-snapshots/</url>
</snapshotRepository>
</distributionManagement> <build>
<!-- 配置了很多插件 -->
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
(3)执行clean package打包即可
(4)运行测试:(以jar包的方式运行war包即可)
$ java -jar ./springboot-ssm-0.0.1-SNAPSHOT.war dP"Yb 88 dP"Yb
dP Yb 88 dP Yb
Yb b dP 88 .o Yb b dP
`"YoYo 88ood8 `"YoYo 2019-02-20 18:23:27.212 INFO 16632 --- [ main] cn.qlq.MySpringBootApplication : Starting MySpringBootApplication v0.0.1-SNAPSHOT on MicroWin10-1535 with PID 16632 (C:\Users\Administrator\Desktop\Springboot\springboot-ssm-0.0.1-SNAPSHOT.war started by Administrator in C:\Users\Administrator\Desktop\Springboot)
2019-02-20 18:23:27.218 INFO 16632 --- [ main] cn.qlq.MySpringBootApplication : No active profile set, falling back to default profiles: default
2019-02-20 18:23:30.006 INFO 16632 --- [ main] o.apache.catalina.core.StandardService : Starting service Tomcat
2019-02-20 18:23:30.007 INFO 16632 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.11
2019-02-20 18:23:32.746 INFO 16632 --- [ost-startStop-1] org.apache.jasper.servlet.TldScanner : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
2019-02-20 18:23:33.173 INFO 16632 --- [ost-startStop-1] o.a.c.c.C.[.[localhost].[/MySpringboot] : Initializing Spring embedded WebApplicationContext
2019-02-20 18:23:35.957 INFO 16632 --- [ main] cn.qlq.MySpringBootApplication : Started MySpringBootApplication in 9.312 seconds (JVM running for 9.909)
2019-02-20 18:23:42.666 INFO 16632 --- [nio-8088-exec-1] o.a.c.c.C.[.[localhost].[/MySpringboot] : Initializing Spring FrameworkServlet 'dispatcherServlet'
=========enter filter===========
(5)解压war包查看目录:(与上面的目录一样，只是没有provided的jar包所以没有对应的目录)
也就是发布到独立的tomcat与独立运行war包的区别就是是否将JSP以及tomcat依赖的jar包打包出来，如果打的包里面有tomcat以及jsp相关包就可以独立运行war包，否则依赖tomcat容器。
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