Java项目全面升级转化经验(涉及JDK、Spring boot版本及依赖管理架构)

<dependency>
    <groupId>com.local</groupId>
    <artifactId>opencv</artifactId>
    <version>453</version>
    <scope>system</scope>
    <systemPath>${project.basedir}/src/main/resources/lib/opencv/opencv-453.jar</systemPath>
</dependency>

<build>
    <plugins>
        <!-- 编译插件 -->
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.11.0</version>
            <configuration>
                <source>${java.version}</source>
                <target>${java.version}</target>
                <annotationProcessorPaths>
                    <path>
                        <groupId>org.projectlombok</groupId>
                        <artifactId>lombok</artifactId>
                        <version>${lombok.version}</version>
                    </path>
                </annotationProcessorPaths>
            </configuration>
        </plugin>
    </plugins>
</build>

javax.xml.bind → jakarta.xml.bind

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;

import jakarta.xml.bind.JAXBContext;
import jakarta.xml.bind.Marshaller;

page.setDesc()//不存在该方法
page.setAsc() //不存在

page.addOrder(OrderItem.desc(...))
page.addOrder(OrderItem.asc(...))

import org.springframework.web.multipart.commons.CommonsMultipartFile;

import org.springframework.web.multipart.MultipartFile;

import org.springframework.util.Base64Utils;

byte[] bytes = Base64Utils.decodeFromString(pptImage);//解码

import java.util.Base64;
byte[] bytes = Base64.getDecoder().decode(pptImage);//解码

import javax.websocket.*;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;

import jakarta.websocket.*;
import jakarta.websocket.server.PathParam;
import jakarta.websocket.server.ServerEndpoint;

@TableField(strategy = FieldStrategy.IGNORED)

@TableField(insertStrategy = FieldStrategy.IGNORED, updateStrategy = FieldStrategy.IGNORED)