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java8升級(jí)java21方法步驟(完整pom文件升級(jí)及代碼修改)

 更新時(shí)間:2024年11月07日 10:21:39   作者:JDHWA  
在從Java?8升級(jí)至Java?211的過程中,需要對(duì)多個(gè)POM文件進(jìn)行升級(jí),涉及parent、web、service等模塊,文中通過代碼介紹的非常詳細(xì),對(duì)大家學(xué)習(xí)或者使用java具有一定的參考借鑒價(jià)值,需要的朋友可以參考下

java8升級(jí)java21

1、pom文件升級(jí)

parent pom

<?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>1.0.0</modelVersion>
    <groupId>test</groupId>
    <artifactId>test</artifactId>
    <version>1.0.0</version>
    <packaging>pom</packaging>
    <name>test</name>

    <properties>
        <project.version>${project.version}</project.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>21</java.version>
        <spring.boot.version>3.3.1</spring.boot.version>
        <spring.security.version>6.3.1</spring.security.version>
        <spring.cloud.version>4.1.3</spring.cloud.version>
        <spring.cloud.dependencies.version>2023.0.3</spring.cloud.dependencies.version>
        <spring.cloud.oauth2.version>2.2.5.RELEASE</spring.cloud.oauth2.version>
        <alibaba.cloud.nacos.version>2023.0.1.2</alibaba.cloud.nacos.version>
        <alibaba.cloud.dependencies>2.2.9.RELEASE</alibaba.cloud.dependencies>
        <mysql.driver.version>8.0.33</mysql.driver.version>
        <spring.jdbc.version>6.1.10</spring.jdbc.version>
        <mybatis-plus-boot-starter.version>3.5.7</mybatis-plus-boot-starter.version>
        <mybatis-plus.version>3.5.7</mybatis-plus.version>
        <org.mybatis.version>3.0.3</org.mybatis.version>
        <servlet.version>6.0.0</servlet.version>
        <jakarta.validation.version>3.1.0</jakarta.validation.version>
        <hibernate.validator.version>8.0.1.Final</hibernate.validator.version>
        <org.slf4j.version>2.0.13</org.slf4j.version>
        <org.apache.commons.version>2.12.0</org.apache.commons.version>
        <jackson.datatype.version>2.17.2</jackson.datatype.version>
        <commons-lang3.version>3.7</commons-lang3.version>
        <commons-io.version>2.2</commons-io.version>
        <commons-codec.version>1.10</commons-codec.version>
        <commons-fileupload.version>1.3.3</commons-fileupload.version>
        <commons-beanutils.version>1.9.3</commons-beanutils.version>
        <commons-collections.version>3.2.2</commons-collections.version>
        <httpclient.version>4.5.3</httpclient.version>
        <spring-doc.version>1.8.0</spring-doc.version>
        <guava.version>18.0</guava.version>
        <lombok.version>1.18.32</lombok.version>
        <fastjson.version>2.0.51</fastjson.version>
        <bboss-elasticsearch.version>7.1.1</bboss-elasticsearch.version>
        <dockerfile-maven.version>1.4.10</dockerfile-maven.version>
        <xxl-job.version>2.4.0</xxl-job.version>
        <rocketmq.version>2.0.4</rocketmq.version>
        <micrometer.version>1.13.1</micrometer.version>
        <poi.version>3.17</poi.version>
        <mapstruct.version>1.2.0.Final</mapstruct.version>
        <druid.version>1.2.23</druid.version>
        <hutool.version>4.5.11</hutool.version>
        <checkstyle.config.location>check-style.xml</checkstyle.config.location>
    </properties>

    <modules>
        <module>commons</module>
        <module>web</module>
        <module>dao</module>
        <module>dto</module>
        <module>model</module>
        <module>service</module>
    </modules>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-parent</artifactId>
                <version>${spring.boot.version}</version>
                <type>pom</type>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-data-redis</artifactId>
                <version>${spring.boot.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-jdbc</artifactId>
                <version>${spring.boot.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>${spring.jdbc.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.security</groupId>
                <artifactId>spring-security-config</artifactId>
                <version>${spring.security.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring.cloud.dependencies.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>${alibaba.cloud.dependencies}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
                <version>${alibaba.cloud.nacos.version}</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
                <version>${alibaba.cloud.nacos.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.rocketmq</groupId>
                <artifactId>rocketmq-spring-boot-starter</artifactId>
                <version>${rocketmq.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.rocketmq</groupId>
                <artifactId>rocketmq-spring-boot</artifactId>
                <version>${rocketmq.version}</version>
            </dependency>
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-api</artifactId>
                <version>${org.slf4j.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-pool2</artifactId>
                <version>${org.apache.commons.version}</version>
            </dependency>
            <dependency>
                <groupId>org.mapstruct</groupId>
                <artifactId>mapstruct</artifactId>
                <version>${mapstruct.version}</version>
            </dependency>
            <dependency>
                <groupId>jakarta.servlet</groupId>
                <artifactId>jakarta.servlet-api</artifactId>
                <version>${servlet.version}</version>
                <scope>compile</scope>
            </dependency>
            <dependency>
                <groupId>jakarta.validation</groupId>
                <artifactId>jakarta.validation-api</artifactId>
                <version>${jakarta.validation.version}</version>
            </dependency>
            <dependency>
                <groupId>org.hibernate.validator</groupId>
                <artifactId>hibernate-validator</artifactId>
                <version>${hibernate.validator.version}</version>
            </dependency>
            <!-- mybatis-plus begin -->
            <dependency>
                <groupId>com.baomidou</groupId>
                <artifactId>mybatis-plus-boot-starter</artifactId>
                <version>${mybatis-plus-boot-starter.version}</version>
            </dependency>
            <dependency>
                <groupId>com.baomidou</groupId>
                <artifactId>mybatis-plus</artifactId>
                <version>${mybatis-plus.version}</version>
            </dependency>
            <dependency>
                <groupId>com.baomidou</groupId>
                <artifactId>mybatis-plus-core</artifactId>
                <version>${mybatis-plus.version}</version>
            </dependency>
            <dependency>
                <groupId>com.baomidou</groupId>
                <artifactId>mybatis-plus-annotation</artifactId>
                <version>${mybatis-plus.version}</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>${org.mybatis.version}</version>
            </dependency>
            <!-- mybatis-plus end -->
            <!-- druid begin -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid-spring-boot-starter</artifactId>
                <version>${druid.version}</version>
            </dependency>
            <!-- druid end -->
            <!-- jdbc driver -->
            <dependency>
                <groupId>com.mysql</groupId>
                <artifactId>mysql-connector-j</artifactId>
                <version>${mysql.driver.version}</version>
                <scope>runtime</scope>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>${lombok.version}</version>
            </dependency>
            <!-- GENERAL UTILS begin -->
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-lang3</artifactId>
                <version>${commons-lang3.version}</version>
            </dependency>
            <dependency>
                <groupId>commons-io</groupId>
                <artifactId>commons-io</artifactId>
                <version>${commons-io.version}</version>
            </dependency>
            <dependency>
                <groupId>commons-codec</groupId>
                <artifactId>commons-codec</artifactId>
                <version>${commons-codec.version}</version>
            </dependency>
            <dependency>
                <groupId>commons-fileupload</groupId>
                <artifactId>commons-fileupload</artifactId>
                <version>${commons-fileupload.version}</version>
            </dependency>
            <dependency>
                <groupId>commons-beanutils</groupId>
                <artifactId>commons-beanutils</artifactId>
                <version>${commons-beanutils.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.httpcomponents</groupId>
                <artifactId>httpclient</artifactId>
                <version>${httpclient.version}</version>
            </dependency>
            <dependency>
                <groupId>commons-collections</groupId>
                <artifactId>commons-collections</artifactId>
                <version>${commons-collections.version}</version>
            </dependency>
            <!-- GENERAL UTILS end -->
            <!-- google java lib begin -->
            <dependency>
                <groupId>com.google.guava</groupId>
                <artifactId>guava</artifactId>
                <version>${guava.version}</version>
            </dependency>
            <!-- google java lib end -->
            <!-- fastjson json begin -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>fastjson</artifactId>
                <version>${fastjson.version}</version>
            </dependency>
            <dependency>
                <groupId>cn.hutool</groupId>
                <artifactId>hutool-all</artifactId>
                <version>${hutool.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi-ooxml</artifactId>
                <version>${poi.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi</artifactId>
                <version>${poi.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi-ooxml-schemas</artifactId>
                <version>${poi.version}</version>
            </dependency>
            <dependency>
                <groupId>com.bbossgroups.plugins</groupId>
                <artifactId>bboss-elasticsearch-rest-jdbc</artifactId>
                <version>${bboss-elasticsearch.version}</version>
                <exclusions>
                    <exclusion>
                        <artifactId>slf4j-log4j12</artifactId>
                        <groupId>org.slf4j</groupId>
                    </exclusion>
                </exclusions>
            </dependency>
            <dependency>
                <groupId>com.xuxueli</groupId>
                <artifactId>xxl-job-core</artifactId>
                <version>${xxl-job.version}</version>
            </dependency>
            <dependency>
                <groupId>io.micrometer</groupId>
                <artifactId>micrometer-registry-prometheus</artifactId>
                <version>${micrometer.version}</version>
            </dependency>
            <!-- Swagger -->
            <!--接口文檔 v3-->
            <dependency>
                <groupId>org.springdoc</groupId>
                <artifactId>springdoc-openapi-webmvc-core</artifactId>
                <version>${spring-doc.version}</version>
            </dependency>
            <!-- 引入swagger頁面 -->
            <dependency>
                <groupId>org.springdoc</groupId>
                <artifactId>springdoc-openapi-ui</artifactId>
                <version>${spring-doc.version}</version>
            </dependency>
            <dependency>
                <groupId>test</groupId>
                <artifactId>model</artifactId>
                <version>${project.version}</version>
            </dependency>
            <dependency>
                <groupId>test</groupId>
                <artifactId>commons</artifactId>
                <version>${project.version}</version>
            </dependency>
            <dependency>
                <groupId>test</groupId>
                <artifactId>dao</artifactId>
                <version>${project.version}</version>
            </dependency>
            <dependency>
                <groupId>test</groupId>
                <artifactId>service</artifactId>
                <version>${project.version}</version>
            </dependency>
            <dependency>
                <groupId>test</groupId>
                <artifactId>dto</artifactId>
                <version>${project.version}</version>
            </dependency>
            <dependency>
                <groupId>test</groupId>
                <artifactId>web</artifactId>
                <version>${project.version}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <version>${spring.boot.version}</version>
                </plugin>
                <plugin>
                    <groupId>com.spotify</groupId>
                    <artifactId>dockerfile-maven-plugin</artifactId>
                    <version>${dockerfile-maven.version}</version>
                    <executions>
                        <execution>
                            <id>default</id>
                            <goals>
                                <goal>build</goal>
                                <goal>push</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </pluginManagement>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.2</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                    <annotationProcessorPaths>
                        <path>
                            <groupId>org.mapstruct</groupId>
                            <artifactId>mapstruct-processor</artifactId>
                            <version>${mapstruct.version}</version>
                        </path>
                        <path>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                            <version>${lombok.version}</version>
                        </path>
                        <path>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok-mapstruct-binding</artifactId>
                            <version>0.2.0</version>
                        </path>
                    </annotationProcessorPaths>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.flywaydb</groupId>
                <artifactId>flyway-maven-plugin</artifactId>
                <version>6.0.6</version>
                <dependencies>
                    <dependency>
                        <groupId>org.mariadb.jdbc</groupId>
                        <artifactId>mariadb-java-client</artifactId>
                        <version>2.5.0</version>
                    </dependency>
                </dependencies>
            </plugin>
        </plugins>
    </build>

</project>

web pom

<?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>test</artifactId>
        <groupId>test</groupId>
        <version>1.0.0</version>
    </parent>
    <modelVersion>1.0.0</modelVersion>

    <artifactId>web</artifactId>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>${spring.boot.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
            <version>${spring.boot.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
            <version>${spring.boot.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <version>${spring.boot.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-loadbalancer</artifactId>
            <version>${spring.cloud.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
            <version>${spring.cloud.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
            <version>${spring.cloud.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-oauth2</artifactId>
            <version>${spring.cloud.oauth2.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-web</artifactId>
            <version>${spring.security.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.datatype</groupId>
            <artifactId>jackson-datatype-jsr310</artifactId>
            <version>${jackson.datatype.version}</version>
        </dependency>
        <dependency>
            <groupId>io.micrometer</groupId>
            <artifactId>micrometer-registry-prometheus</artifactId>
        </dependency>
        <dependency>
            <groupId>com.xuxueli</groupId>
            <artifactId>xxl-job-core</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>dto</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>commons</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>service</artifactId>
        </dependency>
    </dependencies>
    <build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <!-- 是否替換資源中的屬性 -->
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
            </resource>
        </resources>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>com.spotify</groupId>
                <artifactId>dockerfile-maven-plugin</artifactId>
                <version>1.4.10</version>
                <configuration>
                    <repository>
                        ${docker.repository.registry}/${docker.repository.namespace}/${project.artifactId}
                    </repository>
                    <tag>latest</tag>
                    <useMavenSettingsForAuth>true</useMavenSettingsForAuth>
                    <buildArgs>
                        <JAR_FILE>target/${project.build.finalName}.jar</JAR_FILE>
                        <JAR_NAME>${project.artifactId}</JAR_NAME>
                    </buildArgs>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

service pom

<?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>test</artifactId>
        <groupId>test</groupId>
        <version>1.0.0</version>
    </parent>
    <modelVersion>1.0.0</modelVersion>

    <artifactId>service</artifactId>
    <dependencies>
        <dependency>
            <groupId>test</groupId>
            <artifactId>model</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>commons</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>dao</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>dto</artifactId>
        </dependency>
    </dependencies>

</project>

model pom

<?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>test</artifactId>
        <groupId>test</groupId>
        <version>1.0.0</version>
    </parent>
    <modelVersion>1.0.0</modelVersion>

    <artifactId>model</artifactId>
    <dependencies>
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-annotation</artifactId>
        </dependency>
    </dependencies>
</project>

dto pom

<?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>test</artifactId>
        <groupId>test</groupId>
        <version>1.0.0</version>
    </parent>
    <modelVersion>1.0.0</modelVersion>

    <artifactId>dto</artifactId>
    <dependencies>
        <dependency>
            <groupId>test</groupId>
            <artifactId>model</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>commons</artifactId>
        </dependency>
        <dependency>
            <artifactId>jackson-datatype-jsr310</artifactId>
            <groupId>com.fasterxml.jackson.datatype</groupId>
            <version>${jackson.datatype.version}</version>
        </dependency>
        <dependency>
            <groupId>org.mapstruct</groupId>
            <artifactId>mapstruct</artifactId>
        </dependency>
    </dependencies>
</project>

dao pom

<?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>test</artifactId>
        <groupId>test</groupId>
        <version>1.0.0</version>
    </parent>
    <modelVersion>1.0.0</modelVersion>

    <artifactId>dao</artifactId>

    <dependencies>
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>model</artifactId>
        </dependency>
        <dependency>
            <groupId>test</groupId>
            <artifactId>dto</artifactId>
        </dependency>
    </dependencies>

    <build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <!-- 是否替換資源中的屬性 -->
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <!-- <includes> <include>**/*.properties</include> <include>**/*.xml</include>
                    </includes> <filtering>true</filtering> -->
            </resource>
        </resources>
    </build>
</project>

commons pom

<?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>test</artifactId>
        <groupId>test</groupId>
        <version>1.0.0</version>
    </parent>
    <modelVersion>1.0.0</modelVersion>

    <artifactId>commons</artifactId>
    <dependencies>
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-generator</artifactId>
            <version>3.0.6</version>
        </dependency>
    </dependencies>
</project>

2、pom主要兼容問題整理

1.lombok版本需要升級(jí)至 1.8.30 及以上

            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>1.18.30</version>
            </dependency>

2.mapstruct與lombok兼容問題

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.2</version>
                <configuration>
                    <source>21</source>
                    <target>21</target>
                    <annotationProcessorPaths>
                        <path>
                            <groupId>org.mapstruct</groupId>
                            <artifactId>mapstruct-processor</artifactId>
                            <version>1.2.0.Final</version>
                        </path>
                        <path>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                            <version>1.18.32</version>
                        </path>
                        <path>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok-mapstruct-binding</artifactId>
                            <version>0.2.0</version>
                        </path>
                    </annotationProcessorPaths>
                </configuration>
            </plugin>
        </plugins>
    </build>

3.nacos依賴替換

原依賴

            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
                <version>0.2.2.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
                <version>0.2.2.RELEASE</version>
            </dependency>

新依賴

            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
                <version>2023.0.1.2</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
                <version>2023.0.1.2</version>
            </dependency>

4.mybaties需新增

            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>3.0.3</version>
            </dependency>

5.jdbc修改artifactId

            <dependency>
                <groupId>com.mysql</groupId>
                <artifactId>mysql-connector-j</artifactId>
                <version>8.0.33</version>
                <scope>runtime</scope>
            </dependency>

6.jackson

        <dependency>
            <artifactId>jackson-datatype-jsr310</artifactId>
            <groupId>com.fasterxml.jackson.datatype</groupId>
            <version>2.17.2</version>
        </dependency>

7.oauth2與nacos沖突需排除自動(dòng)裝配

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-oauth2</artifactId>
            <version>2.2.5.RELEASE</version>
            <exclusions>
                <exclusion>
                    <artifactId>spring-security-oauth2-autoconfigure</artifactId>
                    <groupId>org.springframework.security.oauth.boot</groupId>
                </exclusion>
            </exclusions>
        </dependency>

3、 yaml.xml

redis層級(jí)多一層data

spring:
  data:
    redis:
       host: 9.218.74.102
       port: 6379
       database: 0
       password: ${redisPassword}
       timeout: 800
       lettuce:
         pool:
           max-active: 8
           max-idle: 8
           min-idle: 0
           max-wait: -1

mysql數(shù)據(jù)庫(kù)url&username&password層級(jí)提升

spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    driverClassName: com.mysql.jdbc.Driver
    url: 
    username: 
    password: 

4、 升級(jí)修改配置

XxlJobConfig

appName字段名稱更新

XxlJobSpringExecutor xxlJobSpringExecutor = new XxlJobSpringExecutor();
//xxlJobSpringExecutor.setAppName(appName);
xxlJobSpringExecutor.setAppname(appName);

DataSourceConfig

分頁及樂觀鎖插件配置

@Configuration
@EnableTransactionManagement
@MapperScan("com.test.mapper")
public class DataSourceConfig {

    /**
     * 分頁及樂觀鎖 插件
     *
     * @return the page and optimistic locker interceptor
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor(){
        MybatisPlusInterceptor mybatisPlusInterceptor = new MybatisPlusInterceptor();
        mybatisPlusInterceptor.addInnerInterceptor(
            new PaginationInnerInterceptor(DbType.MYSQL));
        mybatisPlusInterceptor.addInnerInterceptor(
            new OptimisticLockerInnerInterceptor());
        return mybatisPlusInterceptor;
    }
}

SecurityConfig

原配置ResourceServerConfigurerAdapter已過時(shí)

@EnableResourceServer
@EnableOAuth2Client
@EnableGlobalMethodSecurity(prePostEnabled = true)
@Configuration
@Slf4j
public class SecurityConfig extends ResourceServerConfigurerAdapter {
    @Override
    public void configure(HttpSecurity http) throws Exception {
        // @formatter:off
        http.authorizeRequests()
            .antMatchers(
                "/url",
                "/url"
            ).permitAll()
            .anyRequest().authenticated();
        // @formatter:on
    }
}

新配置

@EnableWebSecurity
@Configuration
@Slf4j
@EnableConfigurationProperties({ResourceServerProperties.class})
public class SecurityConfig {
    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        // @formatter:off
        http.authorizeHttpRequests((authz) -> authz
            .requestMatchers(
                "url",
                "url")
                .authenticated()).httpBasic(withDefaults());
        return http.build();
        // @formatter:on
    }
}

5、 代碼修改

javax替換為jakarta

import javax.validation.constraints.NotBlank;
import jakarta.validation.constraints.NotBlank;

import javax.validation.constraints.NotEmpty;
import jakarta.validation.constraints.NotEmpty;

import javax.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletRequest;

import javax.annotation.PostConstruct;
import jakarta.annotation.PostConstruct;

import javax.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpServletResponse;

import javax.validation.constraints.FutureOrPresent;
import jakarta.validation.constraints.FutureOrPresent;

import javax.validation.ConstraintViolation;
import jakarta.validation.ConstraintViolation;

import javax.validation.Validator;
import jakarta.validation.Validator;

import javax.servlet.ServletOutputStream;
import jakarta.servlet.ServletOutputStream;

mybatiesplus 數(shù)據(jù)庫(kù)實(shí)體注解內(nèi)容替換

@TableId(value = "id", type = IdType.ID_WORKER)
@TableId(value = "id", type = IdType.ASSIGN_ID)

@TableField(value = "start_time", strategy = FieldStrategy.IGNORED)
@TableField(value = "start_time", updateStrategy = FieldStrategy.IGNORED)

XXLJob

原代碼

@JobHandler(value = "Job")
@Component
@Slf4j
public class Job extends IJobHandler {

    @Override
    public ReturnT<String> execute(String param) throws Exception {
        ShardingUtil.ShardingVO shardingVo = ShardingUtil.getShardingVo();
        int index = shardingVo.getIndex();
        int total = shardingVo.getTotal();
        XxlJobHelper.log("log", index);
        service.execute(param);
        return ReturnT.SUCCESS;
    }
}

新代碼

@Component
@Slf4j
public class Job extends IJobHandler {

    @Override
    @XxlJob("Job")
    public void execute() throws Exception {
        int index = XxlJobHelper.getShardIndex();
        int total = XxlJobHelper.getShardTotal();
        XxlJobHelper.log("log", index);
        String param = XxlJobHelper.getJobParam();
        service.execute(param);
    }
}

總結(jié) 

到此這篇關(guān)于java8升級(jí)java21的文章就介紹到這了,更多相關(guān)java8升級(jí)java21內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!

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