马府强
1 year ago
19 changed files with 481 additions and 0 deletions
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# Default ignored files |
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/shelf/ |
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/workspace.xml |
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# Editor-based HTTP Client requests |
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/httpRequests/ |
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# Datasource local storage ignored files |
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/dataSources/ |
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/dataSources.local.xml |
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<?xml version="1.0" encoding="UTF-8"?> |
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<module version="4"> |
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<component name="AdditionalModuleElements"> |
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<content url="file://$MODULE_DIR$" /> |
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</component> |
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</module> |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project version="4"> |
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<component name="CompilerConfiguration"> |
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<annotationProcessing> |
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<profile name="Maven default annotation processors profile" enabled="true"> |
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<sourceOutputDir name="target/generated-sources/annotations" /> |
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<sourceTestOutputDir name="target/generated-test-sources/test-annotations" /> |
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<outputRelativeToContentRoot value="true" /> |
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<module name="CommonSwitch" /> |
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</profile> |
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</annotationProcessing> |
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</component> |
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<component name="JavacSettings"> |
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<option name="ADDITIONAL_OPTIONS_OVERRIDE"> |
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<module name="CommonSwitch" options="-parameters" /> |
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</option> |
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</component> |
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</project> |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project version="4"> |
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<component name="Encoding"> |
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<file url="file://$PROJECT_DIR$/CommonSwitch/src/main/java" charset="UTF-8" /> |
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</component> |
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</project> |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project version="4"> |
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<component name="RemoteRepositoriesConfiguration"> |
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<remote-repository> |
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<option name="id" value="central" /> |
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<option name="name" value="Maven Central repository" /> |
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<option name="url" value="https://repo1.maven.org/maven2" /> |
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</remote-repository> |
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<remote-repository> |
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<option name="id" value="central" /> |
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<option name="name" value="Central Repository" /> |
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<option name="url" value="http://maven.aliyun.com/nexus/content/groups/public" /> |
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</remote-repository> |
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<remote-repository> |
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<option name="id" value="jboss.community" /> |
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<option name="name" value="JBoss Community repository" /> |
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<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" /> |
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</remote-repository> |
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</component> |
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</project> |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project version="4"> |
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<component name="ExternalStorageConfigurationManager" enabled="true" /> |
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<component name="MavenProjectsManager"> |
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<option name="originalFiles"> |
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<list> |
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<option value="$PROJECT_DIR$/CommonSwitch/pom.xml" /> |
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</list> |
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</option> |
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</component> |
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<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK"> |
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<output url="file://$PROJECT_DIR$/out" /> |
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</component> |
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</project> |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project version="4"> |
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<component name="ProjectModuleManager"> |
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<modules> |
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<module fileurl="file://$PROJECT_DIR$/.idea/CommonSwitch.iml" filepath="$PROJECT_DIR$/.idea/CommonSwitch.iml" /> |
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</modules> |
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</component> |
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</project> |
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HELP.md |
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target/ |
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!.mvn/wrapper/maven-wrapper.jar |
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!**/src/main/**/target/ |
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!**/src/test/**/target/ |
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### STS ### |
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.apt_generated |
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.classpath |
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.factorypath |
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.project |
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.settings |
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.springBeans |
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.sts4-cache |
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### IntelliJ IDEA ### |
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.idea |
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*.iws |
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*.iml |
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*.ipr |
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### NetBeans ### |
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/nbproject/private/ |
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/nbbuild/ |
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/dist/ |
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/nbdist/ |
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/.nb-gradle/ |
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build/ |
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!**/src/main/**/build/ |
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!**/src/test/**/build/ |
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|
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### VS Code ### |
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.vscode/ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"> |
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<modelVersion>4.0.0</modelVersion> |
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<parent> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-starter-parent</artifactId> |
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<version>2.7.16</version> |
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<relativePath/> <!-- lookup parent from repository --> |
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</parent> |
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<groupId>com.example</groupId> |
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<artifactId>CommonSwitch</artifactId> |
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<version>0.0.1-SNAPSHOT</version> |
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<name>CommonSwitch</name> |
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<description>CommonSwitch</description> |
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<properties> |
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<java.version>1.8</java.version> |
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</properties> |
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<dependencies> |
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<dependency> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-starter-web</artifactId> |
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</dependency> |
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<dependency> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-starter-aop</artifactId> |
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</dependency> |
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<dependency> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-starter-data-redis</artifactId> |
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</dependency> |
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<dependency> |
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<groupId>org.projectlombok</groupId> |
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<artifactId>lombok</artifactId> |
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<optional>true</optional> |
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</dependency> |
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<dependency> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-starter-test</artifactId> |
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<scope>test</scope> |
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</dependency> |
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</dependencies> |
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<build> |
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<plugins> |
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<plugin> |
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<groupId>org.springframework.boot</groupId> |
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<artifactId>spring-boot-maven-plugin</artifactId> |
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<configuration> |
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<excludes> |
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<exclude> |
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<groupId>org.projectlombok</groupId> |
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<artifactId>lombok</artifactId> |
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</exclude> |
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</excludes> |
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</configuration> |
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</plugin> |
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</plugins> |
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</build> |
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</project> |
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package com.woniu.commonswitch; |
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import org.springframework.boot.SpringApplication; |
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import org.springframework.boot.autoconfigure.SpringBootApplication; |
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@SpringBootApplication |
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public class CommonSwitchApplication { |
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public static void main(String[] args) { |
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SpringApplication.run(CommonSwitchApplication.class, args); |
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} |
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} |
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package com.woniu.commonswitch.annotation; |
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import com.woniu.commonswitch.constant.Constant; |
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import java.lang.annotation.ElementType; |
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import java.lang.annotation.Retention; |
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import java.lang.annotation.RetentionPolicy; |
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import java.lang.annotation.Target; |
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/** |
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* <p> |
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* 通用开关注解 0 关 1 开 |
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* 程序员蜗牛 |
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* </p> |
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*/ |
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@Target({ElementType.METHOD}) // 作用在方法上
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@Retention(RetentionPolicy.RUNTIME) // 运行时起作用
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public @interface ServiceSwitch { |
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/** |
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* 业务开关的key(不同key代表不同功效的开关) |
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* {@link Constant.ConfigCode} |
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*/ |
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String switchKey(); |
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// 提示信息,默认值可在使用注解时自行定义。
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String message() default "当前请求人数过多,请稍后重试。"; |
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} |
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package com.woniu.commonswitch.aop; |
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import com.woniu.commonswitch.annotation.ServiceSwitch; |
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import com.woniu.commonswitch.constant.Constant; |
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import com.woniu.commonswitch.exception.BusinessException; |
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import com.woniu.commonswitch.util.Result; |
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import lombok.AllArgsConstructor; |
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import lombok.extern.slf4j.Slf4j; |
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import org.aspectj.lang.ProceedingJoinPoint; |
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import org.aspectj.lang.annotation.Around; |
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import org.aspectj.lang.annotation.Aspect; |
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import org.aspectj.lang.annotation.Pointcut; |
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import org.aspectj.lang.reflect.MethodSignature; |
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import org.springframework.data.redis.core.StringRedisTemplate; |
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import org.springframework.http.HttpStatus; |
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import org.springframework.stereotype.Component; |
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import java.lang.reflect.Method; |
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/** |
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* <p> |
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* 教你一招 SpringBoot + 自定义注解 + AOP 打造通用开关 |
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* 程序员蜗牛 |
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* </p> |
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*/ |
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@Aspect |
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@Component |
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@Slf4j |
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@AllArgsConstructor |
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public class ServiceSwitchAOP { |
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private final StringRedisTemplate redisTemplate; |
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/** |
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* 定义切点,使用了@ServiceSwitch注解的类或方法都拦截 |
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*/ |
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@Pointcut("@annotation(com.woniu.commonswitch.annotation.ServiceSwitch)") |
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public void pointcut() { |
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} |
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@Around("pointcut()") |
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public Object around(ProceedingJoinPoint point) { |
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// 获取被代理的方法的参数
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Object[] args = point.getArgs(); |
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// 获取被代理的对象
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Object target = point.getTarget(); |
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// 获取通知签名
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MethodSignature signature = (MethodSignature) point.getSignature(); |
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try { |
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// 获取被代理的方法
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Method method = target.getClass().getMethod(signature.getName(), signature.getParameterTypes()); |
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// 获取方法上的注解
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ServiceSwitch annotation = method.getAnnotation(ServiceSwitch.class); |
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// 核心业务逻辑
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if (annotation != null) { |
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String switchKey = annotation.switchKey(); |
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String message = annotation.message(); |
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/* |
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获取配置项说明 |
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这里有两种方式:1、配置加在Redis,查询时从Redis获取; |
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2、配置加在数据库,查询时从表获取。(MySQL单表查询其实很快,配置表其实也没多少数据) |
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我在工作中的做法: 直接放到数据字典里 同时加上缓存提高查询性能。 |
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*/ |
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// 这里我直接从redis中取,使用中大家可以按照意愿自行修改。
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String configVal = redisTemplate.opsForValue().get(switchKey); |
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if (Constant.SWITCHCLOSE.equals(configVal)) { |
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// 开关关闭,则返回提示。
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return new Result<>(HttpStatus.FORBIDDEN.value(), message); |
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} |
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} |
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// 放行
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return point.proceed(args); |
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} catch (Throwable e) { |
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throw new BusinessException(e.getMessage(), e); |
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} |
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} |
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} |
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package com.woniu.commonswitch.constant; |
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/** |
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* <p> |
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* 常量类 |
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* 程序员蜗牛 |
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* </p> |
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* |
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*/ |
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public class Constant { |
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/** |
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* (0:关,1:开) |
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*/ |
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public static final String SWITCHCLOSE = "0"; |
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// .... 其他业务相关的常量 ....
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// 配置相关的常量
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public static class ConfigCode { |
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// 挂号支付开关(0:关,1:开)
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public static final String REG_PAY_SWITCH = "reg_pay_switch"; |
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// 门诊支付开关(0:关,1:开)
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public static final String CLINIC_PAY_SWITCH = "clinic_pay_switch"; |
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// 其他业务相关的配置常量
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// ....
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} |
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} |
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package com.woniu.commonswitch.controller; |
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import com.woniu.commonswitch.service.RegService; |
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import com.woniu.commonswitch.util.Result; |
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import lombok.AllArgsConstructor; |
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import org.springframework.web.bind.annotation.GetMapping; |
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import org.springframework.web.bind.annotation.RequestMapping; |
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import org.springframework.web.bind.annotation.RestController; |
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/** |
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* <p> |
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* 程序员蜗牛 |
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* 教你一招 SpringBoot + 自定义注解 + AOP 打造通用开关 |
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* </p> |
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*/ |
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@RestController |
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@RequestMapping("/api/reg") |
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@AllArgsConstructor |
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public class RegController { |
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private final RegService regService; |
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@GetMapping("/createOrder") |
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public Result createOrder() { |
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return regService.createOrder(); |
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} |
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} |
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package com.woniu.commonswitch.exception; |
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/** |
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* <p> |
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* 自定义业务异常 |
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* 程序员蜗牛 |
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* </p> |
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*/ |
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public class BusinessException extends RuntimeException { |
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public BusinessException() { |
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super(); |
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} |
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public BusinessException(String errMsg) { |
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super(errMsg); |
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} |
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public BusinessException(String errMsg, Throwable throwable) { |
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super(errMsg, throwable); |
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} |
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} |
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package com.woniu.commonswitch.service; |
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import com.woniu.commonswitch.annotation.ServiceSwitch; |
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import com.woniu.commonswitch.constant.Constant; |
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import com.woniu.commonswitch.util.Result; |
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import org.springframework.http.HttpStatus; |
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import org.springframework.stereotype.Service; |
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@Service |
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public class RegService { |
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/** |
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* 下单 |
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*/ |
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@ServiceSwitch(switchKey = Constant.ConfigCode.REG_PAY_SWITCH) |
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public Result createOrder() { |
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// 具体下单业务逻辑省略....
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return new Result(HttpStatus.OK.value(), "挂号下单成功"); |
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} |
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} |
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package com.woniu.commonswitch.util; |
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/** |
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* <p> |
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* 响应对象封装 |
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* </p> |
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*/ |
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public class Result<T> { |
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public int code; |
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public String msg; |
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public T data; |
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public Result(int code, String msg) { |
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this.code = code; |
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this.msg = msg; |
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} |
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public Result(int code, String msg, T data) { |
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this.code = code; |
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this.msg = msg; |
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this.data = data; |
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} |
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public int getCode() { |
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return code; |
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} |
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public void setCode(int code) { |
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this.code = code; |
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} |
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public String getMsg() { |
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return msg; |
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} |
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public void setMsg(String msg) { |
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this.msg = msg; |
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} |
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public T getData() { |
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return data; |
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} |
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public void setData(T data) { |
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this.data = data; |
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} |
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} |
@ -0,0 +1,14 @@ |
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server: |
||||
|
port: 8888 |
||||
|
|
||||
|
spring: |
||||
|
redis: |
||||
|
host: 192.168.56.10 |
||||
|
port: 6379 |
||||
|
password: 123456 |
||||
|
jedis: |
||||
|
pool: |
||||
|
max-active: 100 |
||||
|
max-wait: -1ms |
||||
|
max-idle: 50 |
||||
|
min-idle: 1 |
@ -0,0 +1,13 @@ |
|||||
|
package com.woniu.commonswitch; |
||||
|
|
||||
|
import org.junit.jupiter.api.Test; |
||||
|
import org.springframework.boot.test.context.SpringBootTest; |
||||
|
|
||||
|
@SpringBootTest |
||||
|
class CommonSwitchApplicationTests { |
||||
|
|
||||
|
@Test |
||||
|
void contextLoads() { |
||||
|
} |
||||
|
|
||||
|
} |
Loading…
Reference in new issue