使用的eclipse+maven3.1+jdk1.7
pom.xml中的配置：

<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.xingguo</groupId
 
>
  <artifactId>springboot</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>springboot Maven Webapp</name>
  <url>http://maven.apache.org</url>

  <parent>
    <groupId>org.springframework.boot</groupId
 
>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.4.1.RELEASE</version>
  </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId
 
>
        </dependency>
    </dependencies>

</project>

核心點是：

<parent>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-parent</artifactId>
   <version>1.4.1.RELEASE</version>
 </parent>

<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

有的教程使用的是<version>1.3.0.BUILD-SNAPSHOT</version>
然後後面加上其他的依賴，這個也是可以的（我試過了，不過依賴寫的程式碼多，我用的帶.RELEASE的）
下面寫了兩個測試類Example.java和Application.java,如下：

package com.xingguo.springboot;

import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@EnableConfigurationProperties
public class Example {

    @RequestMapping("/")
    public String home(){
        return "hello world!";
    }

    @RequestMapping("/1")
    public String home1(String name){
        return "hello world!"+name;
    }
}

package com.xingguo.springboot;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}

然後右鍵專案執行，如圖。




成功執行！
不過在測試過程中，有的教程上把main方法寫example.java，無論怎麼執行都會報錯，報錯資訊如下：

org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.context.ApplicationContextException: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFactory bean.
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:137) ~[spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:535) ~[spring-context-4.3.3.RELEASE.jar:4.3.3.RELEASE]
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:761) [spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:371) [spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]

網上嘗試了很多種方法也沒有效果，只好把example.java中main方法刪掉寫在另一個類中就可以了。
這裡也記錄下其他給出的方法，可能以後會用到：
1.新增程式碼

@Bean
    public EmbeddedServletContainerFactory servletContainer() {
        TomcatEmbeddedServletContainerFactory factory = 
                      new TomcatEmbeddedServletContainerFactory();
        return factory;
     }

2.pom.xml中新增build

<plugin>
      <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
     <executions>
         <execution>
             <goals>
                 <goal>repackage</goal>
             </goals>
         </execution>
     </executions>
 </plugin>