增加自定义starter的demo

customizestarter/addservice/pom.xml

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+<?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/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>customizestarter</artifactId>
+        <groupId>com.bolingcavalry</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+    <artifactId>addservice</artifactId>
+    <modelVersion>4.0.0</modelVersion>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.bolingcavalry</groupId>
+            <artifactId>customizeapi</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+
+</project>

customizestarter/addservice/src/main/java/com/bolingcavalry/addservice/service/impl/AddServiceImpl.java

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+package com.bolingcavalry.addservice.service.impl;
+
+import com.bolingcavalry.api.service.AddService;
+
+/**
+ * @author wilzhao
+ * @description 加法服务的实现
+ * @email [email protected]
+ * @time 2018/10/13 10:59
+ */
+public class AddServiceImpl implements AddService {
+    public int add(int a, int b) {
+        return a + b;
+    }
+}

customizestarter/customizeapi/pom.xml

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+<?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/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>customizestarter</artifactId>
+        <groupId>com.bolingcavalry</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>customizeapi</artifactId>
+
+</project>

customizestarter/customizeapi/src/main/java/com/bolingcavalry/api/exception/MinusException.java

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+package com.bolingcavalry.api.exception;
+
+/**
+ * @author wilzhao
+ * @description 执行减法服务时抛出的异常
+ * @email [email protected]
+ * @time 2018/10/13 14:20
+ */
+public class MinusException extends Exception{
+    public MinusException(String message) {
+        super(message);
+    }
+}

customizestarter/customizeapi/src/main/java/com/bolingcavalry/api/service/AddService.java

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+package com.bolingcavalry.api.service;
+
+/**
+ * @author wilzhao
+ * @description 加法服务对应的接口
+ * @email [email protected]
+ * @time 2018/10/13 10:07
+ */
+public interface AddService {
+
+    /**
+     * 普通加法
+     * @param a
+     * @param b
+     * @return
+     */
+    int add(int a, int b);
+}

customizestarter/customizeapi/src/main/java/com/bolingcavalry/api/service/MinusService.java

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+package com.bolingcavalry.api.service;
+
+import com.bolingcavalry.api.exception.MinusException;
+
+/**
+ * @author wilzhao
+ * @description 减法服务
+ * @email [email protected]
+ * @time 2018/10/13 12:07
+ */
+public interface MinusService {
+    /**
+     * 普通减法
+     * @param minuend 减数
+     * @param subtraction 被减数
+     * @return 差
+     */
+    int minus(int minuend, int subtraction) throws MinusException;
+}

customizestarter/customizeservicestarter/pom.xml

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+<?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/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>customizestarter</artifactId>
+        <groupId>com.bolingcavalry</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+    <artifactId>customizeservicestarter</artifactId>
+    <modelVersion>4.0.0</modelVersion>
+
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-autoconfigure</artifactId>
+            <!--仅编译时才需要-->
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>com.bolingcavalry</groupId>
+            <artifactId>customizeapi</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.bolingcavalry</groupId>
+            <artifactId>addservice</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.bolingcavalry</groupId>
+            <artifactId>minusservice</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+
+
+</project>

customizestarter/customizeservicestarter/src/main/java/com/bolingcavalry/customizeservicestarter/CustomizeConfiguration.java

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+package com.bolingcavalry.customizeservicestarter;
+
+import com.bolingcavalry.addservice.service.impl.AddServiceImpl;
+import com.bolingcavalry.api.service.AddService;
+import com.bolingcavalry.api.service.MinusService;
+import com.bolingcavalry.minusservice.service.impl.MinusServiceNotSupportNegativeImpl;
+import com.bolingcavalry.minusservice.service.impl.MinusServiceSupportNegativeImpl;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author wilzhao
+ * @description 一句话介绍
+ * @email [email protected]
+ * @time 2018/10/13 14:36
+ */
+@Configuration
+public class CustomizeConfiguration {
+
+    @Bean
+    public AddService getAddService(){
+        System.out.println("create addService");
+        return new AddServiceImpl();
+    }
+
+    /**
+     * 如果配置了com.bolingcavalry.supportnegative=true，
+     * 就实例化MinusServiceSupportNegativeImpl
+     * @return
+     */
+    @Bean
+    @ConditionalOnProperty(prefix="com.bolingcavalry",name = "supportnegative", havingValue = "true")
+    public MinusService getSupportMinusService(){
+        System.out.println("create minusService support minus");
+        return new MinusServiceSupportNegativeImpl();
+    }
+
+    /**
+     * 如果没有配置com.bolingcavalry.supportnegative=true，
+     * 就不会实例化MinusServiceSupportNegativeImpl，
+     * 这里的条件是如果没有MinusService类型的bean，就在此实例化一个
+     * @return
+     */
+    @Bean
+    @ConditionalOnMissingBean(MinusService.class)
+    public MinusService getNotSupportMinusService(){
+        System.out.println("create minusService not support minus");
+        return new MinusServiceNotSupportNegativeImpl();
+    }
+}

customizestarter/customizeservicestarter/src/main/resources/META-INF/spring.factories

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+org.springframework.boot.autoconfigure.EnableAutoConfiguration=com.bolingcavalry.customizeservicestarter.CustomizeConfiguration

customizestarter/minusservice/pom.xml

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+<?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/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>customizestarter</artifactId>
+        <groupId>com.bolingcavalry</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>minusservice</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.bolingcavalry</groupId>
+            <artifactId>customizeapi</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+</project>

customizestarter/minusservice/src/main/java/com/bolingcavalry/minusservice/service/impl/MinusServiceNotSupportNegativeImpl.java

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+package com.bolingcavalry.minusservice.service.impl;
+
+import com.bolingcavalry.api.exception.MinusException;
+import com.bolingcavalry.api.service.MinusService;
+
+/**
+ * @author wilzhao
+ * @description 减法服务的实现，不支持负数
+ * @email [email protected]
+ * @time 2018/10/13 14:24
+ */
+public class MinusServiceNotSupportNegativeImpl implements MinusService {
+
+    /**
+     * 减法运算，不支持负数结果，如果被减数小于减数，就跑出MinusException
+     * @param minuend 被减数
+     * @param subtraction 减数
+     * @return
+     * @throws MinusException
+     */
+    public int minus(int minuend, int subtraction) throws MinusException {
+        if(subtraction>minuend){
+            throw new MinusException("not support negative!");
+        }
+
+        return minuend-subtraction;
+    }
+}

customizestarter/minusservice/src/main/java/com/bolingcavalry/minusservice/service/impl/MinusServiceSupportNegativeImpl.java

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+package com.bolingcavalry.minusservice.service.impl;
+
+import com.bolingcavalry.api.exception.MinusException;
+import com.bolingcavalry.api.service.MinusService;
+
+/**
+ * @author wilzhao
+ * @description 支持负数结果的减法服务
+ * @email [email protected]
+ * @time 2018/10/13 14:30
+ */
+public class MinusServiceSupportNegativeImpl implements MinusService {
+
+    /**
+     * 减法实现，支持负数
+     * @param minuend 减数
+     * @param subtraction 被减数
+     * @return
+     * @throws MinusException
+     */
+    public int minus(int minuend, int subtraction) throws MinusException {
+        return minuend - subtraction;
+    }
+}

customizestarter/pom.xml

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+<?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/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.bolingcavalry</groupId>
+    <artifactId>customizestarter</artifactId>
+    <packaging>pom</packaging>
+    <version>0.0.1-SNAPSHOT</version>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.5.9.RELEASE</version>
+        <relativePath/>
+    </parent>
+
+    <modules>
+        <!--加法服务-->
+        <module>addservice</module>
+        <!--减法服务-->
+        <module>minusservice</module>
+        <!--接口和异常定义-->
+        <module>customizeapi</module>
+        <!--启动器-->
+        <module>customizeservicestarter</module>
+    </modules>
+
+
+</project>

customizestartertestdemo/.gitignore

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+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/

customizestartertestdemo/.mvn/wrapper/maven-wrapper.properties

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+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.4/apache-maven-3.5.4-bin.zip