first

.gitignore

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

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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.example.demo</groupId>
+    <artifactId>travel</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>travel</name>
+    <description>travel</description>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+        <mybatisplus.version>3.4.1</mybatisplus.version>
+        <hutool.version>5.7.15</hutool.version>
+        <druid.version>1.1.21</druid.version>
+        <swagger.version>2.8.0</swagger.version>
+        <fastjson.version>1.2.80</fastjson.version>
+        <commons-lang3.version>3.3.2</commons-lang3.version>
+        <commons.io.version>2.11.0</commons.io.version>
+        <jedis.version>3.8.0</jedis.version>
+        <qcloud.cos.version>5.6.69</qcloud.cos.version>
+        <spring-boot-admin.version>2.6.10</spring-boot-admin.version>
+        <mysql.connector.version>8.0.29</mysql.connector.version>
+    </properties>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>2.5.12</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+    <dependencies>
+        <dependency>
+            <groupId>de.codecentric</groupId>
+            <artifactId>spring-boot-admin-starter-client</artifactId>
+            <version>${spring-boot-admin.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>redis.clients</groupId>
+            <artifactId>jedis</artifactId>
+            <version>${jedis.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${mysql.connector.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid-spring-boot-starter</artifactId>
+            <version>${druid.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger2</artifactId>
+            <version>${swagger.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <version>${swagger.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-aop</artifactId>
+        </dependency>
+        <!--         redis -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+        <!--   生成二维码   -->
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>core</artifactId>
+            <version>3.3.3</version>
+        </dependency>
+        <!--   io常用工具类   -->
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons.io.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>${fastjson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>${hutool.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.dom4j</groupId>
+            <artifactId>dom4j</artifactId>
+            <version>2.1.3</version>
+        </dependency>
+        <!--          <dependency>  -->
+        <!--              <groupId>org.hibernate.validator</groupId>  -->
+        <!--              <artifactId>hibernate-validator</artifactId>  -->
+        <!--              <version>6.1.5.Final</version>  -->
+        <!--          </dependency>  -->
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt</artifactId>
+            <version>0.9.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>4.5.9</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-httpclient</groupId>
+            <artifactId>commons-httpclient</artifactId>
+            <version>3.1</version>
+        </dependency>
+        <!--         &lt;!&ndash; kafka &ndash;&gt; -->
+        <dependency>
+            <groupId>org.springframework.kafka</groupId>
+            <artifactId>spring-kafka</artifactId>
+        </dependency>
+        <!--          redisson分布式锁  -->
+        <dependency>
+            <groupId>org.redisson</groupId>
+            <artifactId>redisson</artifactId>
+            <version>3.14.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>4.1.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <version>${mybatisplus.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.baomidou</groupId>
+                    <artifactId>mybatis-plus-generator</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/com/example/demo/TravelApplication.java

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+package com.example.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class TravelApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(TravelApplication.class, args);
+    }
+
+}

src/main/resources/application.yml

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+server:
+  port: 8080
+
+spring:
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://43.143.204.137:3306/travel_db?useSSL=false&serverTimezone=UTC&characterEncoding=UTF-8
+    username: root
+    password: root
+  redis:
+    host: 127.0.0.1
+    port: 6379
+    database: 0
+    password:
+mybatis-plus:
+  type-aliases-package: com.example.domain
+  configuration:
+    map-underscore-to-camel-case: true
+    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
+  mapper-locations: classpath:mapper/*.xml

src/test/java/com/example/demo/TravelApplicationTests.java

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+package com.example.demo;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class TravelApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}