maven 用不用内嵌包由库里面的Pom的<optional>true</optional>决定

本文深入探讨了Maven项目中如何通过optional标签来控制依赖库的可选性,解释了其背后的原理及应用场景,帮助开发者灵活管理项目依赖。

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maven 用不用内嵌包由库里面的Pom的<optional></optional>决定,true为可选,false为一定要用
<?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> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.7.11</version> <relativePath/> </parent> <groupId>com.hw</groupId> <artifactId>asset</artifactId> <version>1.0.0</version> <name>asset</name> <description>asset</description> <packaging>war</packaging> <properties> <java.version>8</java.version> <mybatis-plus.version>3.5.3.1</mybatis-plus.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <!--数据源--> <dependency> <groupId>com.baomidou</groupId> <artifactId>dynamic-datasource-spring-boot-starter</artifactId> <version>3.6.1</version> </dependency> <dependency> <groupId>com.oracle.database.jdbc</groupId> <artifactId>ojdbc8</artifactId> <version>21.15.0.0</version> </dependency> <dependency> <groupId>org.postgresql</groupId> <artifactId>postgresql</artifactId> <version>42.6.0</version> </dependency> <dependency> <groupId>com.huawei.gauss</groupId> <artifactId>gaussdbv3</artifactId> <version>V300R001C00CP2075</version> <scope>system</scope> <systemPath>${project.basedir}/lib/gaussdbv3.jdbc-V300R001C00CP2075.jar</systemPath> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>${mybatis-plus.version}</version> </dependency> </dependencies> <profiles> <!-- 开发环境 --> <profile> <id>dev</id> <properties> <activatedProperties>dev</activatedProperties> </properties> <activation> <activeByDefault>true</activeByDefault> <!-- 默认激活 --> </activation> </profile> <!-- 测试环境 --> <profile> <id>test</id> <properties> <activatedProperties>test</activatedProperties> </properties> </profile> <!-- 生产环境 --> <profile> <id>prod</id> <properties> <activatedProperties>prod</activatedProperties> </properties> </profile> </profiles> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> </configuration> </plugin> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <includeSystemScope>true</includeSystemScope> </configuration> </plugin> </plugins> </build> </project> 我的需求,我打可以指定jar也可以指定war,但是正常打class文件不能直接部署到tomcat上,部署在tomcat有两个方式一个是class部署一个是war部署,我现在class文件缺少依赖,我想maven的时候war也可以用来部署class也可以直接用来部署
07-17
<?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</groupId> <artifactId>demo5</artifactId> <version>0.0.1-SNAPSHOT</version> <name>demo5</name> <description>demo5</description> <properties> <java.version>1.8</java.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <spring-boot.version>2.6.13</spring-boot.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <version>2.6.13</version> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>com.vaadin.external.google</groupId> <artifactId>android-json</artifactId> <version>0.0.20131108.vaadin1</version> <scope>compile</scope> </dependency> <dependency> <groupId>net.minidev</groupId> <artifactId>json-smart</artifactId> </dependency> </dependencies> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-dependencies</artifactId> <version>${spring-boot.version}</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <source>1.8</source> <target>1.8</target> <encoding>UTF-8</encoding> </configuration> </plugin> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <version>${spring-boot.version}</version> <configuration> <mainClass>com.example.demo.Demo5Application</mainClass> <skip>true</skip> </configuration> <executions> <execution> <id>repackage</id> <goals> <goal>repackage</goal> </goals> </execution> </executions> </plugin> </plugins> </build> </project> 我的依赖是这些想写一个想写一个完成前端数字上传到后端,后端返回相加值的功能
03-08
<?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> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>3.5.4</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.mz</groupId> <artifactId>hejiayun-community</artifactId> <version>0.0.1-SNAPSHOT</version> <name>hejiayun-community</name> <packaging>jar</packaging> <description>合家云社区物业管理平台</description> <properties> <java.version>17</java.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <maven-jar-plugin.version>3.3.0</maven-jar-plugin.version> <druid.version>1.2.21</druid.version> <bitwalker.version>1.21</bitwalker.version> <fastjson.version>2.0.43</fastjson.version> <oshi.version>6.4.6</oshi.version> <jna.version>5.13.0</jna.version> <commons.fileupload.version>1.5</commons.fileupload.version> <poi.version>5.2.4</poi.version> <velocity.version>2.3</velocity.version> <jwt.version>0.12.3</jwt.version> <mybatis-plus.version>3.5.5</mybatis-plus.version> <easy-captcha.version>1.6.2</easy-captcha.version> <jsqlparser.version>4.5</jsqlparser.version> </properties> <dependencies> <!-- Spring Boot Web Starter --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!-- Spring Boot AOP --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-aop</artifactId> </dependency> <!-- Spring Boot Validation --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-validation</artifactId> </dependency> <!-- Spring Boot DevTools --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <optional>true</optional> </dependency> <!-- MySQL Connector --> <dependency> <groupId>com.mysql</groupId> <artifactId>mysql-connector-j</artifactId> <scope>runtime</scope> </dependency> <!-- Druid Connection Pool --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-3-starter</artifactId> <version>${druid.version}</version> </dependency> <!-- MyBatis Plus --> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>${mybatis-plus.version}</version> </dependency> <!-- <!– PageHelper –> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper-spring-boot-starter</artifactId> <version>1.4.7</version> </dependency>--> <!-- Redis --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-pool2</artifactId> </dependency> <!-- FastJSON2 (替代FastJSON) --> <dependency> <groupId>com.alibaba.fastjson2</groupId> <artifactId>fastjson2</artifactId> <version>${fastjson.version}</version> </dependency> <!-- Jackson for JSON processing --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> </dependency> <!-- JWT Token --> <dependency> <groupId>io.jsonwebtoken</groupId> <artifactId>jjwt-api</artifactId> <version>${jwt.version}</version> </dependency> <dependency> <groupId>io.jsonwebtoken</groupId> <artifactId>jjwt-impl</artifactId> <version>${jwt.version}</version> <scope>runtime</scope> </dependency> <dependency> <groupId>io.jsonwebtoken</groupId> <artifactId>jjwt-jackson</artifactId> <version>${jwt.version}</version> <scope>runtime</scope> </dependency> <!-- System Information --> <dependency> <groupId>com.github.oshi</groupId> <artifactId>oshi-core</artifactId> <version>${oshi.version}</version> </dependency> <dependency> <groupId>net.java.dev.jna</groupId> <artifactId>jna</artifactId> <version>${jna.version}</version> </dependency> <dependency> <groupId>net.java.dev.jna</groupId> <artifactId>jna-platform</artifactId> <version>${jna.version}</version> </dependency> <!-- User Agent Utils --> <dependency> <groupId>eu.bitwalker</groupId> <artifactId>UserAgentUtils</artifactId> <version>${bitwalker.version}</version> </dependency> <!-- Captcha --> <dependency> <groupId>com.github.whvcse</groupId> <artifactId>easy-captcha</artifactId> <version>${easy-captcha.version}</version> </dependency> <!-- Spring Boot Logging --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-logging</artifactId> </dependency> <!-- Test Dependencies --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <scope>test</scope> </dependency> <!-- Spring Security (如果需要,取消注释) --> <!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> --> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <excludes> <exclude> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> </exclude> </excludes> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>17</source> <target>17</target> </configuration> </plugin> </plugins> </build> </project>看看我的配置文件
最新发布
07-27
<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>KuCun2</groupId> <artifactId>KuCun2</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <name>KuCun2</name> <description/> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.3.12.RELEASE</version> <!-- 请根据需要选择版本 --> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <webVersion>4.0</webVersion> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <protobuf.version>3.21.12</protobuf.version> </properties> <dependencies> <dependency> <groupId>javax</groupId> <artifactId>javaee-api</artifactId> <version>8.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.glassfish.web</groupId> <artifactId>javax.servlet.jsp.jstl</artifactId> <version>1.2.4</version> </dependency> <!-- Spring Boot Starter Data JPA --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <!-- MySQL Connector --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.33</version> <exclusions> <exclusion> <groupId>com.google.protobuf</groupId> <artifactId>protobuf-java</artifactId> </exclusion> </exclusions> </dependency> <!-- Optional: Lombok for reducing boilerplate code --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> <scope>provided</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jsr310</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jsr310</artifactId> </dependency> <!-- Jackson Databind --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> </dependency> <!-- Jackson Core --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> </dependency> <!-- Jackson Annotations --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> <exclusions> <exclusion> <groupId>com.google.protobuf</groupId> <artifactId>protobuf-java</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>com.google.protobuf</groupId> <artifactId>protobuf-java</artifactId> <version>${protobuf.version}</version> </dependency> <dependency> <groupId>org.yaml</groupId> <artifactId>snakeyaml</artifactId> <version>1.30</version> <!-- 统一版本号 --> </dependency> </dependencies> <build> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>2.3.2</version> <configuration> <source>1.8</source> <target>1.8</target> <compilerArgs> <arg>-parameters</arg> </compilerArgs> </configuration> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>2.6</version> <configuration> <failOnMissingWebXml>false</failOnMissingWebXml> </configuration> </plugin> </plugins> </build> </project> public AuthenticationSuccessHandler ajaxAuthenticationSuccessHandler() { return (request, response, authentication) -> { // 强制创建服务端会话 request.getSession(true); // 构建安全响应数据 Map<String, Object> responseData = new HashMap<>(); responseData.put("sessionId", request.getSession().getId()); responseData.put("userInfo", Collections.unmodifiableMap(new HashMap<>() {{ put( "displayName", ((CustomUserDetails)authentication.getPrincipal()).getName()); put("roleLevel", ((CustomUserDetails)authentication.getPrincipal()).getRole()) }})); // 统一返回JSON格式 response.setContentType(MediaType.APPLICATION_JSON_VALUE); new ObjectMapper().writeValue(response.getWriter(), responseData); }; }request报红
05-30
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