日考4

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

.idea/.gitignore

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+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" defaultCharsetForPropertiesFiles="UTF-8">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>

.idea/inspectionProfiles/Project_Default.xml

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+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="AliAccessStaticViaInstance" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="AliArrayNamingShouldHaveBracket" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="AliControlFlowStatementWithoutBraces" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="AliDeprecation" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="AliEqualsAvoidNull" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="AliLongLiteralsEndingWithLowercaseL" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="AliMissingOverrideAnnotation" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="AliWrapperTypeEquality" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="MapOrSetKeyShouldOverrideHashCodeEquals" enabled="true" level="WARNING" enabled_by_default="true" />
+  </profile>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+    <option name="workspaceImportForciblyTurnedOn" value="true" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

pom.xml

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+<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>org.example</groupId>
+    <artifactId>kao4</artifactId>
+    <version>1.0.0</version>
+    <packaging>jar</packaging>
+
+    <name>spring-task-demo</name>
+    <description>Demo project for Spring Boot with Spring Task</description>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.5.4</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <version>3.2.4</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <repositories>
+        <repository>
+            <id>central</id>
+            <url>https://repo.maven.apache.org/maven2</url>
+        </repository>
+        <repository>
+            <id>alimaven</id>
+            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
+        </repository>
+    </repositories>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/org/example/sprtaskdemo/SpringTaskDemoApplication.java

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+package org.example.sprtaskdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
+
+/**
+ * spring boot 启动类
+ * 开启定时任务
+ */
+@SpringBootApplication
+@EnableScheduling
+public class SpringTaskDemoApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(SpringTaskDemoApplication.class, args);
+    }
+}

src/main/java/org/example/sprtaskdemo/service/ScheduledPrintNameService.java

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+package org.example.sprtaskdemo.service;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+
+/**
+ * 定时打印服务类
+ * 每隔五秒打印一次名字
+ */
+@Service
+public class ScheduledPrintNameService {
+
+    /**
+     * 定时任务
+     */
+    @Scheduled(fixedDelay = 5000)
+    public void printName() {
+        // 打印名字
+        System.out.println("梦钰");
+        // 打印分割线
+        System.out.println("----------");
+    }
+}