玩转spring boot——war部署

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玩转spring boot——war部署

2024-08-31 06:24:49 221人阅读

前言

之前部署spring boot应用是通过直接输入命令“java -jar”来实现的。而有些情况，由于部署环境的制约，只能把项目从jar转换成war才能部署，如新浪云sae的java环境容器。那怎样转换成war项目呢？其实非常简单，只需要App类继承SpringBootServletInitializer，并重写“protected SpringApplicationBuilder configure(SpringApplicationBuilder builder)” 方法即可

package com.github.carter659.spring10;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.boot.builder.SpringApplicationBuilder;import org.springframework.boot.web.support.SpringBootServletInitializer;/** * 博客出处：http://www.cnblogs.com/GoodHelper/ *  * @author 刘冬 * */@SpringBootApplicationpublic class App extends SpringBootServletInitializer {    public static void main(String[] args) {        SpringApplication.run(App.class, args);    }    @Override    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {        // TODO Auto-generated method stub        // return super.configure(builder);        return builder.sources(App.class);    }}

修改pom.xml，把<packaging>jar</packaging>修改为<packaging>war</packaging>

并增加如下maven依赖：

<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>

因为spring boot默认会嵌入tomcat。

完整的pom.xml为：

<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.github.carter659</groupId>    <artifactId>spring10</artifactId>    <version>0.0.1-SNAPSHOT</version>    <packaging>war</packaging>    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>1.4.2.RELEASE</version>    </parent>    <name>spring10</name>    <url>http://maven.apache.org</url>    <properties>        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>        <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-thymeleaf</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-devtools</artifactId>            <optional>true</optional>        </dependency>    </dependencies>    <build>        <plugins>            <plugin>                <groupId>org.springframework.boot</groupId>                <artifactId>spring-boot-maven-plugin</artifactId>            </plugin>        </plugins>        <finalName>spring10</finalName>    </build></project>

pom.xml

其他代码，“MainController.java”和“index.html”：

package com.github.carter659.spring10;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.GetMapping;/** * 博客出处：http://www.cnblogs.com/GoodHelper/ *  * @author 刘冬 * */@Controllerpublic class MainController {    @GetMapping("/")    public String index() {        return "index";    }}

MainController

<!DOCTYPE html><html xmlns:th="http://www.thymeleaf.org"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>玩转spring boot——war部署</title></head><body>    <h1>玩转spring boot——war部署</h1>    <h4>        <a href="http://www.cnblogs.com/GoodHelper/">from 刘冬的博客            http://www.cnblogs.com/GoodHelper/</a>    </h4>    <br /> 你好，war    <br />    <a href="http://www.cnblogs.com/GoodHelper/">点击访问原版博客</a></body></html>