springboot
<!-- Spring Boot 的 Spring Web MVC 集成 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- 注解校验代替ifelse -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<!-- 测试 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- Spring boot 特殊处理包 -->
<dependency>
<groupId>org.reflections</groupId>
<artifactId>reflections</artifactId>
<version>${reflections.version}</version>
</dependency>
接口文档
- 这是一个 Spring Boot Starter,通过自动配置简化了 Swagger 的集成。
- 用户只需添加依赖,无需手动配置
Docket
Bean,适合快速集成。
<!-- Spring Boot 集成 swagger -->
<dependency>
<groupId>com.spring4all</groupId>
<artifactId>swagger-spring-boot-starter</artifactId>
</dependency>
- 需要手动配置
Docket
Bean,配置相对复杂。
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
</dependency>
由于 swagger-spring-boot-starter
和 springfox-swagger2
都存在维护问题,且不兼容 Spring Boot 3.x,推荐使用 SpringDoc OpenAPI 作为替代方案:
- 特点:
- 完全支持 Spring Boot 3.x。
- 基于 OpenAPI 3.0 标准。
- 配置简单,与 Spring Boot 集成良好。
- 社区活跃,维护状态良好。
<dependency>
<groupId>org.springdoc</groupId>
<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
<version>2.2.0</version> <!-- 使用最新版本 -->
</dependency>
- 配置示例:
- 无需额外配置,SpringDoc 会自动扫描所有
@RestController
并生成 API 文档。 - 访问
http://localhost:8080/swagger-ui.html
查看文档。
- 无需额外配置,SpringDoc 会自动扫描所有
knife4j是为Java MVC框架集成Swagger生成Api文档的增强解决方案,前身是swagger-bootstrap-ui,取名kni4j是希望它能像一把匕首一样小巧,轻量,并且功能强悍!
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>knife4j-spring-boot-starter</artifactId>
</dependency>
数据库相关
mysql
<!-- MySQL 驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<!-- mybatis plus的依赖 -->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
</dependency>
MongoDB

验证码
<dependency>
<groupId>com.github.penggle</groupId>
<artifactId>kaptcha</artifactId>
<version>2.3.2</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>
<version>2.6.2</version>
</dependency>
分布式锁
<dependency>
<groupId>org.redisson</groupId>
<artifactId>redisson-spring-boot-starter</artifactId>
<version>3.11.2</version>
</dependency>

lombok
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
微服务
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
远程调用微服务/熔断/降级
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
认证授权
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-oauth2</artifactId>
</dependency>
JSON 解析库
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
</dependency>
支付宝支付
<!-- 支付宝SDK -->
<dependency>
<groupId>com.alipay.sdk</groupId>
<artifactId>alipay-sdk-java</artifactId>
<version>3.7.73.ALL</version>
</dependency>
<!-- 支付宝SDK依赖的日志 -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
二维码生成&识别组件
<!-- 二维码生成&识别组件 -->
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>3.3.3</version>
</dependency>
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>javase</artifactId>
<version>3.3.3</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
</dependency>
消息中间件
一个放在生产方,一个放在消费方
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-amqp</artifactId>
</dependency>
kafka
文件处理
<!--根据扩展名取mimetype-->
<dependency>
<groupId>com.j256.simplemagic</groupId>
<artifactId>simplemagic</artifactId>
<version>1.17</version>
</dependency>
日志相关
log.info()
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
log4j2-dev.xml
排除 Logback 依赖:
Spring Boot Starter 默认包含 Logback,需要排除它。
<dependencies>
<!-- Spring Boot Starter Web(排除 Logback) -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- 添加 Log4j2 依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-log4j2</artifactId>
</dependency>
</dependencies>
Spring Boot Starter Web 已经包含 Logback
- Spring Boot 默认不会强制要求使用
logback-spring.xml
,而是优先加载它(如果存在)。 - 如果
logback-spring.xml
不存在,Spring Boot 会回退到加载logback.xml
(如果存在)。 - 因此,即使不加
-spring
后缀,logback.xml
也能被读取,但会失去 Spring Boot 提供的增强功能。
如何加载 logback-dev.xml
方法 1:通过 logging.config
属性显式指定
Spring Boot 配置:
在 Spring Boot 中,可以通过application.properties或application.yml
指定自定义的 Logback 配置文件路径:
# application.properties logging.config=classpath:logback-dev.xml
或
# application.yml logging: config: classpath:logback-dev.xml
这样,Spring Boot 会加载
logback-dev.xml
而不是默认的logback-spring.xml
或logback.xml
。
方法 2:通过 JVM 参数指定
启动时传递参数
:
在启动应用时,可以通过 JVM 参数指定 Logback 配置文件:
bash java -Dlogging.config=classpath:logback-dev.xml -jar your-app.jar
这样,Logback 会加载指定的配置文件。
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
如果需要单独配置 Logback,可以显式添加(但通常不需要):
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
</dependency>
推荐做法:
在
logback-spring.xml
中使用<springProfile>
标签定义不同 Profile 的日志配置:<configuration> <!-- 开发环境配置 --> <springProfile name="dev"> <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender"> <encoder> <pattern>%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern> </encoder> </appender> <root level="DEBUG"> <appender-ref ref="CONSOLE"/> </root> </springProfile> <!-- 生产环境配置 --> <springProfile name="prod"> <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>./logs/app.log</file> <encoder> <pattern>%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern> </encoder> </appender> <root level="INFO"> <appender-ref ref="FILE"/> </root> </springProfile> </configuration>
启动时指定 Profile:
bash java -Dspring.profiles.active=dev -jar your-app.jar
文件存储服务
<!-- 分布式文件系统 minIO的客户端API包 -->
<dependency>
<groupId>io.minio</groupId>
<artifactId>minio</artifactId>
<version>${minio.version}</version>
</dependency>
任务相关
<!--分布式任务调度-->
<dependency>
<groupId>com.xuxueli</groupId>
<artifactId>xxl-job-core</artifactId>
<version>${xxl-job-core.version}</version>
</dependency>
搜索
<!--elasticsearch-->
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-high-level-client</artifactId>
<version>7.4.0</version>
</dependency>
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-client</artifactId>
<version>7.4.0</version>
</dependency>
<dependency>
<groupId>org.elasticsearch</groupId>
<artifactId>elasticsearch</artifactId>
<version>7.4.0</version>
</dependency>
nacos注册中心相关
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
页面静态化
<?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>heima-leadnews-test</artifactId>
<groupId>com.heima</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>freemarker-demo</artifactId>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<!-- lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<!-- apache 对 java io 的封装工具库 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-io</artifactId>
<version>1.3.2</version>
</dependency>
</dependencies>
</project>
加密
<!--加密处理包-->
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>${commons.codec.version}</version>
</dependency>
网关相关
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
<!--jwt解析-->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
</dependency>
</dependencies>
字符串操作
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.12.0</version> <!-- 使用最新版本 -->
</dependency>
// 判断token是否存在
if (StringUtils.isBlank(token)) {
response.setStatusCode(HttpStatus.UNAUTHORIZED);
return response.setComplete();
}
IO
<!-- apache 对 java io 的封装工具库 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-io</artifactId>
<version>1.3.2</version>
</dependency>
测试
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
阿里云内容安全
内容安全1.0需要企业认证
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>aliyun-java-sdk-core</artifactId>
</dependency>
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>aliyun-java-sdk-green</artifactId>
</dependency>
内容安全增强版
<!--安装内容检测SDK-->
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>green20220302</artifactId>
<version>2.1.0</version>
</dependency>
<!--安装OSS SDK-->
<dependency>
<groupId>com.aliyun.oss</groupId>
<artifactId>aliyun-sdk-oss</artifactId>
<version>3.16.3</version>
</dependency>
阿里视觉智能开发平台的审核功能
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>imageaudit20191230</artifactId>
<version>2.0.6</version>
</dependency>
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>viapi-utils</artifactId>
<version>1.0.2</version>
</dependency>
ocr
<dependency>
<groupId>net.sourceforge.tess4j</groupId>
<artifactId>tess4j</artifactId>
<version>4.1.1</version>
</dependency>

序列化
<dependency>
<groupId>io.protostuff</groupId>
<artifactId>protostuff-core</artifactId>
<version>1.6.0</version>
</dependency>
<dependency>
<groupId>io.protostuff</groupId>
<artifactId>protostuff-runtime</artifactId>
<version>1.6.0</version>
</dependency>
/**
* jdk序列化
*/
public class JdkSerializeUtil {
/**
* 序列化
* @param obj
* @param <T>
* @return
*/
public static <T> byte[] serialize(T obj) {
if (obj == null){
throw new NullPointerException();
}
ByteArrayOutputStream bos = new ByteArrayOutputStream();
try {
ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(obj);
return bos.toByteArray();
} catch (Exception ex) {
ex.printStackTrace();
}
return new byte[0];
}
/**
* 反序列化
* @param data
* @param clazz
* @param <T>
* @return
*/
public static <T> T deserialize(byte[] data, Class<T> clazz) {
ByteArrayInputStream bis = new ByteArrayInputStream(data);
try {
ObjectInputStream ois = new ObjectInputStream(bis);
T obj = (T)ois.readObject();
return obj;
} catch (Exception ex) {
ex.printStackTrace();
}
return null;
}
}
public class ProtostuffUtil {
/**
* 序列化
* @param t
* @param <T>
* @return
*/
public static <T> byte[] serialize(T t){
Schema schema = RuntimeSchema.getSchema(t.getClass());
return ProtostuffIOUtil.toByteArray(t,schema,
LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE));
}
/**
* 反序列化
* @param bytes
* @param c
* @param <T>
* @return
*/
public static <T> T deserialize(byte []bytes,Class<T> c) {
T t = null;
try {
t = c.newInstance();
Schema schema = RuntimeSchema.getSchema(t.getClass());
ProtostuffIOUtil.mergeFrom(bytes,t,schema);
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
return t;
}
/**
* jdk序列化与protostuff序列化对比
* @param args
*/
public static void main(String[] args) {
long start =System.currentTimeMillis();
for (int i = 0; i <1000000 ; i++) {
WmNews wmNews =new WmNews();
JdkSerializeUtil.serialize(wmNews);
}
System.out.println(" jdk 花费 "+(System.currentTimeMillis()-start));
start =System.currentTimeMillis();
for (int i = 0; i <1000000 ; i++) {
WmNews wmNews =new WmNews();
ProtostuffUtil.serialize(wmNews);
}
System.out.println(" protostuff 花费 "+(System.currentTimeMillis()-start));
}
}