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Spring Boot（二）应用实例
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Spring Boot（二）应用实例
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Spring Boot（二）
一 、 Spring Boot Web 應(yīng)用實(shí)例
項(xiàng)目依賴(lài)
在POM.xml文件中有相應(yīng)的注釋
<?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/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><artifactId>spring-boot-web-jsp</artifactId><packaging>war</packaging><name>Spring Boot Web JSP Example</name><description>Spring Boot Web JSP Example</description><url>http://www.yiibai.com</url><version>1.0</version><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.4.2.RELEASE</version></parent><properties><java.version>1.8</java.version></properties><dependencies><!-- This is a web application --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!-- Tomcat embedded container--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-tomcat</artifactId><scope>provided</scope></dependency><!-- JSTL for JSP --><dependency><groupId>javax.servlet</groupId><artifactId>jstl</artifactId></dependency><!-- Need this to compile JSP --><dependency><groupId>org.apache.tomcat.embed</groupId><artifactId>tomcat-embed-jasper</artifactId><scope>provided</scope></dependency><!-- Need this to compile JSP,tomcat-embed-jasper version is not working, no idea why --><dependency><groupId>org.eclipse.jdt.core.compiler</groupId><artifactId>ecj</artifactId><version>4.6.1</version><scope>provided</scope></dependency><!-- Optional, test for static content, bootstrap CSS--><dependency><groupId>org.webjars</groupId><artifactId>bootstrap</artifactId><version>3.3.7</version></dependency></dependencies><build><plugins><!-- Package as an executable jar/war --><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build> </project>執(zhí)行后 ， 顯示項(xiàng)目依賴(lài)關(guān)系：
F:\worksp\springboot\springboot-jsp> mvn dependency:tree[INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Spring Boot Web JSP Example 1.0 [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-dependency-plugin:2.10:tree (default-cli) @ spring-boot-web-jsp --- [INFO] org.springframework.boot:spring-boot-web-jsp:war:1.0 [INFO] +- org.springframework.boot:spring-boot-starter-web:jar:1.4.2.RELEASE:compile [INFO] | +- org.springframework.boot:spring-boot-starter:jar:1.4.2.RELEASE:compile [INFO] | | +- org.springframework.boot:spring-boot:jar:1.4.2.RELEASE:compile [INFO] | | +- org.springframework.boot:spring-boot-autoconfigure:jar:1.4.2.RELEASE:compile [INFO] | | +- org.springframework.boot:spring-boot-starter-logging:jar:1.4.2.RELEASE:compile [INFO] | | | +- ch.qos.logback:logback-classic:jar:1.1.7:compile [INFO] | | | | +- ch.qos.logback:logback-core:jar:1.1.7:compile [INFO] | | | | \- org.slf4j:slf4j-api:jar:1.7.21:compile [INFO] | | | +- org.slf4j:jcl-over-slf4j:jar:1.7.21:compile [INFO] | | | +- org.slf4j:jul-to-slf4j:jar:1.7.21:compile [INFO] | | | \- org.slf4j:log4j-over-slf4j:jar:1.7.21:compile [INFO] | | +- org.springframework:spring-core:jar:4.3.4.RELEASE:compile [INFO] | | \- org.yaml:snakeyaml:jar:1.17:runtime [INFO] | +- org.hibernate:hibernate-validator:jar:5.2.4.Final:compile [INFO] | | +- javax.validation:validation-api:jar:1.1.0.Final:compile [INFO] | | +- org.jboss.logging:jboss-logging:jar:3.3.0.Final:compile [INFO] | | \- com.fasterxml:classmate:jar:1.3.3:compile [INFO] | +- com.fasterxml.jackson.core:jackson-databind:jar:2.8.4:compile [INFO] | | +- com.fasterxml.jackson.core:jackson-annotations:jar:2.8.4:compile [INFO] | | \- com.fasterxml.jackson.core:jackson-core:jar:2.8.4:compile [INFO] | +- org.springframework:spring-web:jar:4.3.4.RELEASE:compile [INFO] | | +- org.springframework:spring-aop:jar:4.3.4.RELEASE:compile [INFO] | | +- org.springframework:spring-beans:jar:4.3.4.RELEASE:compile [INFO] | | \- org.springframework:spring-context:jar:4.3.4.RELEASE:compile [INFO] | \- org.springframework:spring-webmvc:jar:4.3.4.RELEASE:compile [INFO] | \- org.springframework:spring-expression:jar:4.3.4.RELEASE:compile [INFO] +- org.springframework.boot:spring-boot-starter-tomcat:jar:1.4.2.RELEASE:provided [INFO] | +- org.apache.tomcat.embed:tomcat-embed-core:jar:8.5.6:provided [INFO] | +- org.apache.tomcat.embed:tomcat-embed-el:jar:8.5.6:provided [INFO] | \- org.apache.tomcat.embed:tomcat-embed-websocket:jar:8.5.6:provided [INFO] +- javax.servlet:jstl:jar:1.2:compile [INFO] +- org.apache.tomcat.embed:tomcat-embed-jasper:jar:8.5.6:provided [INFO] +- org.eclipse.jdt.core.compiler:ecj:jar:4.6.1:provided [INFO] \- org.webjars:bootstrap:jar:3.3.7:compile [INFO] \- org.webjars:jquery:jar:1.11.1:compile [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.327 s [INFO] Finished at: 2017-01-21 T16:57:00+08:00 [INFO] Final Memory: 20M/309M [INFO] ------------------------------------------------------------------------Spring Boot
這個(gè)SpringBootServletInitializer執(zhí)行傳統(tǒng)的WAR部署運(yùn)行SpringApplication SpringBootWebApplication.java文件內(nèi)容如下所示 -
import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.boot.web.support.SpringBootServletInitializer;@SpringBootApplication public class SpringBootWebApplication extends SpringBootServletInitializer {@Override protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {return application.sources(SpringBootWebApplication.class); }public static void main(String[] args) throws Exception {SpringApplication.run(SpringBootWebApplication.class, args); }}一個(gè)簡(jiǎn)單的Spring控制器類(lèi)
import java.util.Map;import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping;@Controller public class WelcomeController {// inject via application.properties@Value("${welcome.message:test}")private String message = "Hello World";@RequestMapping("/")public String welcome(Map<String, Object> model) {model.put("message", this.message);return "welcome";}}JSP + 資源 + 靜態(tài)文件
對(duì)于JSP文件，把它們?nèi)湃氲?src/main/webapp/WEB-INF/jsp/ 目錄中。
src/main/webapp/WEB-INF/jsp/welcome.jsp文件的內(nèi)容如下所示 -
對(duì)于像CSS或Javascript這樣的靜態(tài)文件，放在 /src/main/resources/static/ 目錄中。/src/main/resources/static/css/main.css文件的內(nèi)容如下所示 -
h1{color:#0000FF; } h2{color:#FF0000; }對(duì)于屬性文件，放在 /src/main/resources/ 目錄下， /src/main/resources/application.properties文件的內(nèi)容如下所示 -
spring.mvc.view.prefix: /WEB-INF/jsp/ spring.mvc.view.suffix: .jspwelcome.message: Hello Yiibai//Spring Boot約定過(guò)配置，不需要像這樣聲明資源映射。資源映射只是自動(dòng)處理。運(yùn)行實(shí)例：
在終端下進(jìn)入 F:\worksp\springboot\springboot-jsp 目錄，執(zhí)行以下命令，應(yīng)該會(huì)看到以下結(jié)果 -
F:\worksp\springboot\springboot-jsp>mvn spring-boot:run [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Spring Boot Web JSP Example 1.0 [INFO] ------------------------------------------------------------------------ [INFO] [INFO] >>> spring-boot-maven-plugin:1.4.2.RELEASE:run (default-cli) > test-compile @ springboot-jsp >>> [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ springboot-jsp --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 1 resource [INFO] Copying 1 resource [INFO] [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ springboot-jsp --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ springboot-jsp --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory F:\worksp\springboot\springboot-jsp\springboot-jsp\src\test\resources [INFO] [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ springboot-jsp --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] <<< spring-boot-maven-plugin:1.4.2.RELEASE:run (default-cli) < test-compile @ springboot-jsp <<< [INFO] [INFO] --- spring-boot-maven-plugin:1.4.2.RELEASE:run (default-cli) @ springboot-jsp ---. ____ _ __ _ _/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \\\/ ___)| |_)| | | | | || (_| | ) ) ) )' |____| .__|_| |_|_| |_\__, | / / / /=========|_|==============|___/=/_/_/_/ ::Spring Boot:: (v1.4.2.RELEASE)總結(jié)
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