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springboot-demo
Commit 12e93ff6 authored by duanledexianxianxian's avatar duanledexianxianxian 😁
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demo-parent.iml deleted 100644 → 0
View file @ 259741fc
<?xml version="1.0" encoding="UTF-8"?>
<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
<output url="file://$MODULE_DIR$/target/classes" />
<output-test url="file://$MODULE_DIR$/target/test-classes" />
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/target" />
</content>
<orderEntry type="inheritedJdk" />
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</component>
</module>
\ No newline at end of file
kafka/pom.xml → demo/pom.xml
View file @ 12e93ff6
...@@ -9,33 +9,29 @@ ...@@ -9,33 +9,29 @@
</parent> </parent>
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<artifactId>kafka</artifactId> <artifactId>demo</artifactId>
<dependencies> <dependencies>
<dependency> <dependency>
<groupId>org.springframework.kafka</groupId> <groupId>org.springframework.boot</groupId>
<artifactId>spring-kafka</artifactId> <artifactId>spring-boot-starter-web</artifactId>
</dependency> </dependency>
<dependency> <dependency>
<groupId>com.alibaba</groupId> <groupId>com.baomidou</groupId>
<artifactId>fastjson</artifactId> <artifactId>mybatis-plus-boot-starter</artifactId>
<version>1.2.56</version>
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.projectlombok</groupId> <groupId>com.baomidou</groupId>
<artifactId>lombok</artifactId> <artifactId>mybatis-plus-generator</artifactId>
<scope>provided</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.springframework.kafka</groupId> <groupId>mysql</groupId>
<artifactId>spring-kafka-test</artifactId> <artifactId>mysql-connector-java</artifactId>
<scope>test</scope>
</dependency> </dependency>
<!-- https://mvnrepository.com/artifact/org.freemarker/freemarker -->
<dependency> <dependency>
<groupId>org.apache.commons</groupId> <groupId>org.freemarker</groupId>
<artifactId>commons-lang3</artifactId> <artifactId>freemarker</artifactId>
<version>3.9</version>
</dependency> </dependency>
</dependencies> </dependencies>
</project> </project>
\ No newline at end of file
demo/src/main/java/com/duanledexianxianxian/demo/CodeGenerator.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
/**
* 代码生成器
*/
public class CodeGenerator {
/**
* 读取控制台内容
*
* @param tip the tip
* @return the string
*/
public static String scanner(String tip) {
Scanner scanner = new Scanner(System.in);
StringBuilder help = new StringBuilder();
help.append("请输入" + tip + "：");
System.out.println(help.toString());
if (scanner.hasNext()) {
String ipt = scanner.next();
if (StringUtils.isNotEmpty(ipt)) {
return ipt;
}
}
throw new MybatisPlusException("请输入正确的" + tip + "！");
}
/**
* The entry point of application.
*
* @param args the input arguments
*/
public static void main(String[] args) {
// 代码生成器
AutoGenerator mpg = new AutoGenerator();
// 全局配置
GlobalConfig gc = new GlobalConfig();
// 项目路径
String projectPath = "F:/@project@/@dianli@/springboot-demo/demo";
gc.setOutputDir(projectPath + "/src/main/java");
gc.setAuthor("duanledexianxianxian");
gc.setOpen(false);
gc.setFileOverride(true);
gc.setBaseResultMap(true);
gc.setBaseColumnList(true);
// gc.setSwagger2(true); 实体属性 Swagger2 注解
mpg.setGlobalConfig(gc);
// 数据源配置
DataSourceConfig dsc = new DataSourceConfig();
dsc.setUrl("jdbc:mysql://rm-bp1451sz2b7q8w95xvo.mysql.rds.aliyuncs.com:3306/convention?useUnicode=true&useSSL=false&characterEncoding=utf8");
// dsc.setSchemaName("public");
dsc.setDriverName("com.mysql.cj.jdbc.Driver");
dsc.setUsername("convention");
dsc.setPassword("Convention123");
mpg.setDataSource(dsc);
// 包配置
PackageConfig pc = new PackageConfig();
pc.setModuleName(scanner("模块名"));
pc.setParent("com.duanledexianxianxian.demo");
mpg.setPackageInfo(pc);
// 自定义配置
InjectionConfig cfg = new InjectionConfig() {
@Override
public void initMap() {
// to do nothing
}
};
// 如果模板引擎是 freemarker
String templatePath = "/templates/mapper.xml.ftl";
// 如果模板引擎是 velocity
// String templatePath = "/templates/mapper.xml.vm";
// 自定义输出配置
List<FileOutConfig> focList = new ArrayList<>();
// 自定义配置会被优先输出
focList.add(new FileOutConfig(templatePath) {
@Override
public String outputFile(TableInfo tableInfo) {
// 自定义输出文件名 ， 如果你 Entity 设置了前后缀、此处注意 xml 的名称会跟着发生变化！！
return projectPath + "/src/main/resources/mapper/" + pc.getModuleName()
+ "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
}
});
cfg.setFileOutConfigList(focList);
mpg.setCfg(cfg);
// 配置模板
TemplateConfig templateConfig = new TemplateConfig();
templateConfig.setXml(null);
mpg.setTemplate(templateConfig);
// 策略配置
StrategyConfig strategy = new StrategyConfig();
strategy.setNaming(NamingStrategy.underline_to_camel);
strategy.setColumnNaming(NamingStrategy.underline_to_camel);
// strategy.setSuperEntityClass("你自己的父类实体,没有就不用设置!");
strategy.setEntityLombokModel(true);
strategy.setRestControllerStyle(true);
// 公共父类
// strategy.setSuperControllerClass("你自己的父类控制器,没有就不用设置!");
// 写于父类中的公共字段
// strategy.setSuperEntityColumns("id");
strategy.setInclude(scanner("表名，多个英文逗号分割").split(","));
strategy.setControllerMappingHyphenStyle(true);
strategy.setTablePrefix(pc.getModuleName() + "_");
mpg.setStrategy(strategy);
mpg.setTemplateEngine(new FreemarkerTemplateEngine());
mpg.execute();
}
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/dto/MenuDTO.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.dto;
import lombok.Data;
import java.io.Serializable;
import java.time.LocalDateTime;
/**
* 菜单传输对象
*
* @author duanledexianxianxian
* @since 2020 -03-19
*/
@Data
public class MenuDTO implements Serializable {
/**
* The constant serialVersionUID.
*/
private static final long serialVersionUID = 1L;
/**
* 菜单编号
*/
private Long menuId;
/**
* 菜单url
*/
private String menuUrl;
/**
* 菜单名称
*/
private String menuName;
/**
* 菜单编码
*/
private String menuCode;
/**
* 创建时间
*/
private LocalDateTime createTime;
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/dto/UserDTO.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.dto;
import com.duanledexianxianxian.demo.domain.entity.Menu;
import lombok.Data;
import java.io.Serializable;
import java.time.LocalDate;
import java.util.List;
/**
* 用户传输对象
*
* @author duanledexianxianxian
* @since 2020 -03-19
*/
@Data
public class UserDTO implements Serializable {
/**
* The constant serialVersionUID.
*/
private static final long serialVersionUID = 1L;
/**
* 用户编号
*/
private Long userId;
/**
* 用户名称
*/
private String userName;
/**
* 用户昵称
*/
private String nickName;
/**
* 年龄
*/
private Integer age;
/**
* 生日
*/
private LocalDate birthday;
/**
* 菜单列表
*/
List<MenuDTO> menuList;
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/model/query/MenuForm.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.model.query;
import lombok.Data;
import java.io.Serializable;
import java.time.LocalDateTime;
/**
* 菜单表单对象
*
* @author duanledexianxianxian
* @since 2020-03-19
*/
@Data
public class MenuForm implements Serializable {
private static final long serialVersionUID = 1L;
/**
* 用户编号
*/
private Long userId;
/**
* 菜单编号
*/
private Long menuId;
/**
* 菜单url
*/
private String menuUrl;
/**
* 菜单名称
*/
private String menuName;
/**
* 菜单编码
*/
private String menuCode;
/**
* 创建时间
*/
private LocalDateTime createTime;
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/model/query/MenuQuery.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.model.query;
import lombok.Data;
import java.io.Serializable;
/**
* 菜单查询对象
*
* @author duanledexianxianxian
* @since 2020 -03-19
*/
@Data
public class MenuQuery implements Serializable {
/**
* 菜单名称
*/
private String menuName;
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/model/query/UserForm.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.model.query;
import lombok.Data;
import java.io.Serializable;
import java.time.LocalDate;
/**
* 用户表单对象
*
* @author duanledexianxianxian
* @since 2020 -03-19
*/
@Data
public class UserForm implements Serializable {
/**
* The constant serialVersionUID.
*/
private static final long serialVersionUID = 1L;
/**
* 用户编号
*/
private Long userId;
/**
* 用户名称
*/
private String userName;
/**
* 用户昵称
*/
private String nickName;
/**
* 年龄
*/
private Integer age;
/**
* 生日
*/
private LocalDate birthday;
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/model/query/UserQuery.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.model.query;
import lombok.Data;
import java.io.Serializable;
import java.time.LocalDate;
/**
* 用户查询对象
*
* @author duanledexianxianxian
* @since 2020 -03-19
*/
@Data
public class UserQuery implements Serializable {
/**
* The constant serialVersionUID.
*/
private static final long serialVersionUID = 1L;
/**
* The Page num.
*/
Long pageNum=1L;
/**
* The Page size.
*/
Long pageSize=10L;
/**
* 用户名称
*/
private String userName;
/**
* 用户昵称
*/
private String nickName;
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/model/vo/MenuVO.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.model.vo;
import lombok.Data;
import java.io.Serializable;
import java.time.LocalDateTime;
/**
* 菜单vo对象
*
* @author duanledexianxianxian
* @since 2020-03-19
*/
@Data
public class MenuVO implements Serializable {
private static final long serialVersionUID = 1L;
/**
* 菜单编号
*/
private Long menuId;
/**
* 菜单url
*/
private String menuUrl;
/**
* 菜单名称
*/
private String menuName;
/**
* 菜单编码
*/
private String menuCode;
/**
* 创建时间
*/
private LocalDateTime createTime;
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/model/vo/UserDetailVO.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.model.vo;
import lombok.Data;
import java.io.Serializable;
import java.time.LocalDate;
import java.util.List;
/**
* 用户vo对象
*
* @author duanledexianxianxian
* @since 2020 -03-19
*/
@Data
public class UserDetailVO implements Serializable {
/**
* The constant serialVersionUID.
*/
private static final long serialVersionUID = 1L;
/**
* 用户编号
*/
private Long userId;
/**
* 用户名称
*/
private String userName;
/**
* 用户昵称
*/
private String nickName;
/**
* 年龄
*/
private Integer age;
/**
* 生日
*/
private LocalDate birthday;
/**
* The Menu list.
*/
private List<MenuVO> menuList;
}
demo/src/main/java/com/duanledexianxianxian/demo/domain/model/vo/UserVO.java 0 → 100644
View file @ 12e93ff6
package com.duanledexianxianxian.demo.domain.model.vo;
import lombok.Data;
import java.io.Serializable;
import java.time.LocalDate;
/**
* 用户vo对象
*
* @author duanledexianxianxian
* @since 2020 -03-19
*/
@Data
public class UserVO implements Serializable {
/**
* The constant serialVersionUID.
*/
private static final long serialVersionUID = 1L;
/**
* 用户编号
*/
private Long userId;
/**
* 用户名称
*/
private String userName;
/**
* 用户昵称
*/
private String nickName;
/**
* 年龄
*/
private Integer age;
/**
* 生日
*/
private LocalDate birthday;
}
kafka/README.md deleted 100644 → 0
View file @ 259741fc
##### kafka配置
```
bootstrap.servers:kafka server的地址
acks:写入kafka时，leader负责一个该partion读写，当写入partition时，需要将记录同步到repli节点，all是全部同步节点都返回成功，leader才返回ack。
retris:写入失败时，重试次数。当leader节点失效，一个repli节点会替代成为leader节点，此时可能出现写入失败，当retris为0时，produce不会重复。retirs重发，此时repli节点完全成为leader节点，不会产生消息丢失。
batch.size:produce积累到一定数据，一次发送。
buffer.memory: produce积累数据一次发送，缓存大小达到buffer.memory就发送数据。
linger.ms :当设置了缓冲区，消息就不会即时发送，如果消息总不够条数、或者消息不够buffer大小就不发送了吗？当消息超过linger时间，也会发送。
key/value serializer：序列化类。
```
### 关于kafka序列化/反序列化
https://www.jianshu.com/p/5da86afed228
自定义Serializer和Deserializer非常痛苦，还有很多类型不支持，非常脆弱。复杂类型的支持更是一件痛苦的事情，不同版本之间的兼容性问题更是一个极大的挑战。由于Serializer和Deserializer影响到上下游系统，导致牵一发而动全身。自定义序列化&反序列化实现不是能力的体现，而是逗比的体现。所以强烈不建议自定义实现序列化&反序列化，推荐直接使用StringSerializer和StringDeserializer，然后使用json作为标准的数据传输格式。
\ No newline at end of file
kafka/kafka.iml deleted 100644 → 0
View file @ 259741fc
<?xml version="1.0" encoding="UTF-8"?>
<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="Spring" name="Spring">
<configuration />
</facet>
<facet type="web" name="Web">
<configuration>
<webroots />
</configuration>
</facet>
</component>
<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
<output url="file://$MODULE_DIR$/target/classes" />
<output-test url="file://$MODULE_DIR$/target/test-classes" />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
<excludeFolder url="file://$MODULE_DIR$/target" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
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</component>
</module>
\ No newline at end of file
kafka/src/main/java/com/duanledexianxianxian/demo/kafka/Application.java deleted 100644 → 0
View file @ 259741fc
package com.duanledexianxianxian.demo.kafka;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* @author duanledexianxianxian
* @date 2019/10/18 23:32
* @since 1.0.0
*/
@SpringBootApplication
@Slf4j
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
kafka/src/main/java/com/duanledexianxianxian/demo/kafka/consumer/TestConsumer.java deleted 100644 → 0
View file @ 259741fc
package com.duanledexianxianxian.demo.kafka.consumer;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;
/**
* kafka消费者测试
*
* @author fengyuchenglun
* @version 1.0.0
*/
@Component
public class TestConsumer {
/**
* Listen.
*
* @param record the record
* @throws Exception the exception
*/
@KafkaListener(topics = "topic_second")
public void listen(ConsumerRecord<?, ?> record) throws Exception {
System.out.printf("topic = %s, offset = %d, value = %s \n", record.topic(), record.offset(), record.value());
}
}
kafka/src/main/java/com/duanledexianxianxian/demo/kafka/controller/KafkaController.java deleted 100644 → 0
View file @ 259741fc
package com.duanledexianxianxian.demo.kafka.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
/**
* @author duanledexianxianxian
* @date 2019/10/18 23:50
* @since 1.0.0
*/
@RestController
public class KafkaController {
@Autowired
private KafkaTemplate<String,Object> kafkaTemplate;
@GetMapping("/message/send")
public boolean send(@RequestParam String message){
kafkaTemplate.send("testTopic",message);
return true;
}
}
kafka/src/main/java/com/duanledexianxianxian/demo/kafka/listener/AppListener.java deleted 100644 → 0
View file @ 259741fc
package com.duanledexianxianxian.demo.kafka.listener;
import com.alibaba.fastjson.JSONObject;
import com.duanledexianxianxian.demo.kafka.model.Student;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.RandomStringUtils;
import org.apache.commons.lang3.RandomUtils;
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
import org.apache.tomcat.util.threads.ThreadPoolExecutor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.stereotype.Component;
import java.time.LocalDateTime;
import java.util.Random;
import java.util.concurrent.*;
/**
* @author duanledexianxianxian
* @date 2019/10/19 0:44
* @since 1.0.0
*/
@Component
@Slf4j
public class AppListener implements ApplicationListener<ApplicationReadyEvent> {
@Autowired
private KafkaTemplate<String, Object> kafkaTemplate;
@Override
public void onApplicationEvent(ApplicationReadyEvent applicationReadyEvent) {
ThreadFactory namedThreadFactory = new BasicThreadFactory.Builder().namingPattern("producer-kafka-pool-%d").daemon(true).build();
ExecutorService pool = new ThreadPoolExecutor(5, 200,
0L, TimeUnit.MILLISECONDS,
new LinkedBlockingQueue<Runnable>(1024), namedThreadFactory, new ThreadPoolExecutor.AbortPolicy());
int i = 0;
while (true) {
int finalI = i;
pool.execute(() -> {
this.sendData(finalI);
// sleep 5 seconds
});
try {
Thread.sleep(new Random().nextInt(6) * 1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
i++;
}
}
private void sendData(int i) {
Student student = new Student();
student.setStudentId(String.valueOf(i));
student.setName("duanledexianxianxian" + new Random().nextInt(20));
student.setAge(new Random().nextInt(19) + 6);
student.setSex(Byte.valueOf(String.valueOf((new Random().nextInt(2)))));
log.info("Thread:{} Send Data:{}", Thread.currentThread().getName(), student);
kafkaTemplate.send("topic_first", JSONObject.toJSONString(student));
}
}
kafka/src/main/java/com/duanledexianxianxian/demo/kafka/model/Student.java deleted 100644 → 0
View file @ 259741fc
package com.duanledexianxianxian.demo.kafka.model;
import lombok.Data;
import java.io.Serializable;
/**
* 学生实体类
*
* @author duanledexianxianxian
* @date 2019/10/19 0:32
* @since 1.0.0
*/
@Data
public class Student implements Serializable {
private static final long serialVersionUID = -4572819276161640638L;
/**
* 学生学号
*/
private String studentId;
/**
* 学生姓名
*/
private String name;
/**
* 学生年龄
*/
private Integer age;
/**
* 学生性别
* 0-男
* 1-女
*/
private Byte sex;
}
kafka/src/main/resources/application.yml deleted 100644 → 0
View file @ 259741fc
spring:
kafka:
# 指定kafka server的地址，集群配多个，中间，逗号隔开
bootstrap-servers: 113.105.144.9:9104
#=============== provider =======================
producer:
# 写入失败时，重试次数。当leader节点失效，一个repli节点会替代成为leader节点，此时可能出现写入失败，
# 当retris为0时，produce不会重复。retirs重发，此时repli节点完全成为leader节点，不会产生消息丢失。
retries: 0
# 每次批量发送消息的数量,produce积累到一定数据，一次发送
batch-size: 16384
# produce积累数据一次发送，缓存大小达到buffer.memory就发送数据
buffer-memory: 33554432
# 指定消息key和消息体的编解码方式
key-serializer: org.apache.kafka.common.serialization.StringSerializer
value-serializer: org.apache.kafka.common.serialization.StringSerializer
properties:
#当设置了缓冲区，消息就不会即时发送，如果消息总不够条数、或者消息不够buffer大小就不发送了吗？当消息超过linger时间，也会发送。
linger.ms: 1
#procedure要求leader在考虑完成请求之前收到的确认数，用于控制发送记录在服务端的持久化，其值可以为如下：
#acks = 0 如果设置为零，则生产者将不会等待来自服务器的任何确认，该记录将立即添加到套接字缓冲区并视为已发送。在这种情况下，无法保证服务器已收到记录，并且重试配置将不会生效（因为客户端通常不会知道任何故障），为每条记录返回的偏移量始终设置为-1。
#acks = 1 这意味着leader会将记录写入其本地日志，但无需等待所有副本服务器的完全确认即可做出回应，在这种情况下，如果leader在确认记录后立即失败，但在将数据复制到所有的副本服务器之前，则记录将会丢失。
#acks = all 这意味着leader将等待完整的同步副本集以确认记录，这保证了只要至少一个同步副本服务器仍然存活，记录就不会丢失，这是最强有力的保证，这相当于acks = -1的设置。
#可以设置的值为：all, -1, 0, 1
acks: 1
#=============== consumer =======================
consumer:
group-id: test
# enable.auto.commit:true --> 设置自动提交offset
enable-auto-commit: true
# auto-commit'为true，则消费者偏移自动提交给Kafka的频率（以毫秒为单位），默认值为5000。:
auto-commit-interval: 100ms
# 指定消息key和消息体的编解码方式
key-deserializer: org.apache.kafka.common.serialization.StringDeserializer
value-deserializer: org.apache.kafka.common.serialization.StringDeserializer
properties:
session.timeout.ms: 15000
\ No newline at end of file
menu/pom.xml deleted 100644 → 0
View file @ 259741fc
<?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>demo-parent</artifactId>
<groupId>com.duanledexianxianxian.demo</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>menu</artifactId>
</project>
\ No newline at end of file
menu/src/main/java/com/duanledexianxianxian/demo/Application.java deleted 100644 → 0
View file @ 259741fc
package com.duanledexianxianxian.demo;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.Lists;
import org.springframework.beans.BeanUtils;
import org.springframework.util.CollectionUtils;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* @author duanledexianxianxian
* @date 2020/1/12 23:51
* @since 1.0.0
*/
public class Application {
private static String[][] menus = {
{null, "0001", "用户管理", "/urlMgr"},
{"0001", "00010001", "用户管理-添加用户", "/urlMgr/add"},
{"0001", "00010002", "用户管理-修改用户", "/urlMgr/edit"},
{"0001", "00010003", "用户管理-删除用户", "/urlMgr/delete"},
{"0001", "00010004", "用户管理-查询用户", "/urlMgr/query"},
{null, "0002", "系统管理", "/systemMgr"},
{"0002", "00020001", "系统管理-系统管理0001", "/systemMgr/0001"},
{"00020001", "000200010001", "系统管理-系统管理0001-系统管理0001", "/systemMgr/0001/0001"},
{"000200010001", "0002000100010001", "系统管理-系统管理0001-系统管理0001-系统管理0001", "/systemMgr/0001/0001/0001"},
};
public static void main(String[] args) {
List<Menu> menuList = Lists.newArrayList();
Arrays.asList(menus).forEach(x -> {
Menu menu = new Menu();
menu.setParentMenuCode(x[0]);
menu.setMenuCode(x[1]);
menu.setMenuTitle(x[2]);
menu.setMenuUrl(x[3]);
menuList.add(menu);
});
menuList.forEach(x -> System.out.println(x.toString()));
MenuVO menuVO = getTreeMenuVO(menuList);
ObjectMapper mapper = new ObjectMapper();
try {
System.out.println(mapper.writeValueAsString(menuVO));
} catch (JsonProcessingException e) {
e.printStackTrace();
}
}
/**
* 平级列表转成树结构
* @param menuList
* @return
*/
private static MenuVO getTreeMenuVO(List<Menu> menuList) {
if (CollectionUtils.isEmpty(menuList)) {
return null;
}
List<MenuVO> menuVOList = Lists.newArrayList();
// 类型转换 一层循环
menuList.forEach(x -> {
MenuVO menuVO = new MenuVO();
BeanUtils.copyProperties(x, menuVO);
menuVOList.add(menuVO);
});
// 转成map 二层循环 一层与二层可以合并
Map<String, MenuVO> menuMap = menuVOList.stream().collect(Collectors.toMap(MenuVO::getMenuCode, x -> x));
// 构建根节点
MenuVO menuVO = new MenuVO();
menuVO.setParentMenuCode(null);
menuVO.setMenuCode("root");
menuVO.setMenuTitle("根节点");
// 转换逻辑 三层循环
for (MenuVO menu : menuVOList) {
if (menuMap.containsKey(menu.getParentMenuCode())) {
if (menuMap.get(menu.getParentMenuCode()).getChildren() == null) {
menuMap.get(menu.getParentMenuCode()).setChildren(Lists.newArrayList());
}
menuMap.get(menu.getParentMenuCode()).getChildren().add(menu);
} else {
if (menuVO.getChildren() == null) {
menuVO.setChildren(Lists.newArrayList());
}
menuVO.getChildren().add(menu);
}
}
return menuVO;
}
}
menu/src/main/java/com/duanledexianxianxian/demo/Menu.java deleted 100644 → 0
View file @ 259741fc
package com.duanledexianxianxian.demo;
import lombok.Data;
/**
* 菜单
*
* @author duanledexianxianxian
* @date 2020/1/12 23:49
* @since 1.0.0
*/
@Data
public class Menu {
private String parentMenuCode;
private String menuCode;
private String menuTitle;
private String menuUrl;
}
menu/src/main/java/com/duanledexianxianxian/demo/MenuVO.java deleted 100644 → 0
View file @ 259741fc
package com.duanledexianxianxian.demo;
import lombok.Data;
import java.util.List;
/**
* 菜单
*
* @author duanledexianxianxian
* @date 2020/1/12 23:49
* @since 1.0.0
*/
@Data
public class MenuVO {
private String parentMenuCode;
private String menuCode;
private String menuTitle;
private String menuUrl;
private List<MenuVO> children;
}
pom.xml
View file @ 12e93ff6
...@@ -9,45 +9,83 @@ ...@@ -9,45 +9,83 @@
<packaging>pom</packaging> <packaging>pom</packaging>
<version>1.0-SNAPSHOT</version> <version>1.0-SNAPSHOT</version>
<modules> <modules>
<module>kafka</module> <module>demo</module>
<module>menu</module>
</modules> </modules>
<parent> <parent>
<groupId>org.springframework.boot</groupId> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId> <artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.6.RELEASE</version> <version>2.1.3.RELEASE</version>
</parent> </parent>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.10</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.jayway.jsonpath</groupId>
<artifactId>json-path</artifactId>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>23.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus-boot-starter -->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.3.1</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus-generator -->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-generator</artifactId>
<version>3.3.1</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.9</version>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency> <dependency>
<groupId>org.projectlombok</groupId> <groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId> <artifactId>lombok</artifactId>
<version>1.18.10</version>
<scope>provided</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.springframework.boot</groupId> <groupId>org.apache.commons</groupId>
<artifactId>spring-boot-starter-test</artifactId> <artifactId>commons-lang3</artifactId>
<scope>test</scope>
</dependency> </dependency>
<dependency>
<groupId>com.jayway.jsonpath</groupId>
<artifactId>json-path</artifactId>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
<dependency> <dependency>
<groupId>com.google.guava</groupId> <groupId>com.google.guava</groupId>
<artifactId>guava</artifactId> <artifactId>guava</artifactId>
<version>23.0</version> <version>23.0</version>
</dependency> </dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
</dependencies> </dependencies>
<properties> <properties>
<java.version>1.8</java.version> <java.version>1.8</java.version>
</properties> </properties>
......
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