SpringBoot自定义starter实例代码

@configuration

@conditionalonwebapplication

@conditionalonclass ({servlet. class , dispatcherservlet. class , webmvcconfigureradapter. class })

@conditionalonmissingbean ({webmvcconfigurationsupport. class })

@autoconfigureorder (- 2147483638 )

@autoconfigureafter ({dispatcherservletautoconfiguration. class , validationautoconfiguration. class })

public class webmvcautoconfiguration {

     @import ({webmvcautoconfiguration.enablewebmvcconfiguration. class })

  @enableconfigurationproperties ({webmvcproperties. class , resourceproperties. class })

  public static class webmvcautoconfigurationadapter extends webmvcconfigureradapter {

  @bean

  @conditionalonbean ({view. class })

  @conditionalonmissingbean

  public beannameviewresolver beannameviewresolver() {

   beannameviewresolver resolver = new beannameviewresolver();

   resolver.setorder( 2147483637 );

   return resolver;

  }

  }

}

@configuration //指定这个类是一个配置类

@conditionalonxxx //指定条件成立的情况下自动配置类生效

@autoconfigureorder //指定自动配置类的顺序

@bean //向容器中添加组件

@configurationproperties //结合相关xxxproperties来绑定相关的配置

@enableconfigurationproperties //让xxxproperties生效加入到容器中

自动配置类要能加载需要将自动配置类，配置在meta-inf/spring.factories中

org.springframework.boot.autoconfigure.enableautoconfiguration=\

org.springframework.boot.autoconfigure.admin.springapplicationadminjmxautoconfiguration,\

org.springframework.boot.autoconfigure.aop.aopautoconfiguration,\

<dependency>

     <groupid>org.springframework.boot</groupid>

     <artifactid>spring-boot-starter</artifactid>

</dependency>

<dependency>

     <groupid>org.springframework.boot</groupid>

     <artifactid>spring-boot-autoconfigure</artifactid>

</dependency>

<?xml version= "1.0" encoding= "utf-8" ?>

<project xmlns= "http://maven.apache.org/pom/4.0.0" xmlns:xsi= "http://HdhCmsTestw3.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.gf</groupid>

     <artifactid>hello-spring-boot-starter</artifactid>

     <version> 0.0 . 1 -snapshot</version>

     <packaging>jar</packaging>

     <name>hello-spring-boot-starter</name>

     <!-- 启动器 -->

     <dependencies>

         <!-- 引入自动配置模块 -->

         <dependency>

             <groupid>com.gf</groupid>

             <artifactid>hello-spring-boot-starter-autoconfigurer</artifactid>

             <version> 0.0 . 1 -snapshot</version>

         </dependency>

     </dependencies>

</project>

<?xml version= "1.0" encoding= "utf-8" ?>

<project xmlns= "http://maven.apache.org/pom/4.0.0" xmlns:xsi= "http://HdhCmsTestw3.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.gf</groupid>

     <artifactid>hello-spring-boot-starter-autoconfigurer</artifactid>

     <version> 0.0 . 1 -snapshot</version>

     <packaging>jar</packaging>

     <name>hello-spring-boot-starter-autoconfigurer</name>

     <description>demo project for spring boot</description>

     <parent>

         <groupid>org.springframework.boot</groupid>

         <artifactid>spring-boot-starter-parent</artifactid>

         <version> 1.5 . 9 .release</version>

         <relativepath/> <!-- lookup parent from repository -->

     </parent>

     <properties>

         <project.build.sourceencoding>utf- 8 </project.build.sourceencoding>

         <project.reporting.outputencoding>utf- 8 </project.reporting.outputencoding>

         <java.version> 1.8 </java.version>

     </properties>

     <dependencies>

         <!-- 引入spring-boot-starter，所有starter的基本配合 -->

         <dependency>

             <groupid>org.springframework.boot</groupid>

             <artifactid>spring-boot-starter</artifactid>

         </dependency>

     </dependencies>

</project>

package com.gf.service;

import org.springframework.boot.context.properties.configurationproperties;

@configurationproperties (prefix = "gf.hello" )

public class helloproperties {

  private string prefix;

  private string suffix;

  public string getprefix() {

   return prefix;

  }

  public void setprefix(string prefix) {

   this .prefix = prefix;

  }

  public string getsuffix() {

   return suffix;

  }

  public void setsuffix(string suffix) {

   this .suffix = suffix;

  }

}

package com.gf.service;

public class helloservice {

  helloproperties helloproperties;

  public helloproperties gethelloproperties() {

   return helloproperties;

  }

  public void sethelloproperties(helloproperties helloproperties) {

   this .helloproperties = helloproperties;

  }

  public string sayhello(string name ) {

   return helloproperties.getprefix()+ "-" + name + helloproperties.getsuffix();

  }

}

package com.gf.service;

import org.springframework.beans.factory.annotation.autowired;

import org.springframework.boot.autoconfigure.condition.conditionalonwebapplication;

import org.springframework.boot.context.properties.enableconfigurationproperties;

import org.springframework.context.annotation.bean;

import org.springframework.context.annotation.configuration;

@configuration

@conditionalonwebapplication //web应该生效

@enableconfigurationproperties (helloproperties. class )

public class helloserviceautoconfiguration {

  @autowired

  helloproperties helloproperties;

  @bean

  public helloservice helloservice() {

   helloservice service = new helloservice();

   service.sethelloproperties( helloproperties );

   return service;

  }

}

# auto configure

org.springframework.boot.autoconfigure.enableautoconfiguration=\

com.gf.service.helloserviceautoconfiguration

<?xml version= "1.0" encoding= "utf-8" ?>

<project xmlns= "http://maven.apache.org/pom/4.0.0" xmlns:xsi= "http://HdhCmsTestw3.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.gf</groupid>

     <artifactid>hello-spring-boot-starter-test</artifactid>

     <version> 0.0 . 1 -snapshot</version>

     <packaging>jar</packaging>

     <name>hello-spring-boot-starter-test</name>

     <description>demo project for spring boot</description>

     <parent>

         <groupid>org.springframework.boot</groupid>

         <artifactid>spring-boot-starter-parent</artifactid>

         <version> 1.5 . 9 .release</version>

         <relativepath/> <!-- lookup parent from repository -->

     </parent>

     <properties>

         <project.build.sourceencoding>utf- 8 </project.build.sourceencoding>

         <project.reporting.outputencoding>utf- 8 </project.reporting.outputencoding>

         <java.version> 1.8 </java.version>

     </properties>

     <dependencies>

         <dependency>

             <groupid>org.springframework.boot</groupid>

             <artifactid>spring-boot-starter-web</artifactid>

         </dependency>

         <!-- 引入自定义starter -->

         <dependency>

             <groupid>com.gf</groupid>

             <artifactid>hello-spring-boot-starter</artifactid>

             <version> 0.0 . 1 -snapshot</version>

         </dependency>

         <dependency>

             <groupid>org.springframework.boot</groupid>

             <artifactid>spring-boot-starter-test</artifactid>

             <scope>test</scope>

         </dependency>

     </dependencies>

     <build>

         <plugins>

             <plugin>

                 <groupid>org.springframework.boot</groupid>

                 <artifactid>spring-boot-maven-plugin</artifactid>

             </plugin>

         </plugins>

     </build>

</project>

package com.gf.controller;

import com.gf.service.helloservice;

import org.springframework.beans.factory.annotation.autowired;

import org.springframework.web.bind.annotation.getmapping;

import org.springframework.web.bind.annotation.pathvariable;

import org.springframework.web.bind.annotation.restcontroller;

@restcontroller

public class hellocontroller {

  @autowired

  helloservice helloservice;

  @getmapping ( "/hello/{name}" )

  public string hello( @pathvariable (value = "name" ) string name) {

   return helloservice.sayhello( name + " , " );

  }

}

gf.hello.prefix = hi

gf.hello.suffix = what's up man ?