前言
接 从零开始学springboot-搭建一个可以上线的项目结构-单项目篇(1)
完善
service/RedisService
package com.mrcoder.sbmmultidbxmldruidatomikos.service;
import com.mrcoder.sbmmultidbxmldruidatomikos.utils.redis.RedisUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
/**
* redis 测试业务层
*/
@Service
public class RedisService {
@Autowired
private StringRedisTemplate stringRedisTemplate;
@Autowired
private RedisUtil redisUtil;//内部封装了 RedisTemplate
/**
* 测试存储 String 类型数据
*/
public void setValue(String key, String string) {
redisUtil.set(key, string);
}
/**
* 测试读取 String 类型数据
*/
public Object getValue(String key) {
boolean flag = redisUtil.hasKey(key);
Object rs = null;
if (flag) {
rs = redisUtil.get(key);
}
return rs;
}
}
service/StudentService
package com.mrcoder.sbmmultidbxmldruidatomikos.service;
import com.mrcoder.sbmmultidbxmldruidatomikos.entity.master.Student;
import java.util.List;
public interface StudentService {
public List getListByAnno();
public List getList();
public Student getById(Long id);
public Integer save(Student s);
public Integer update(Student s);
public Integer delete(Long id);
public void trans(int code);
}
service/TeacherService
package com.mrcoder.sbmmultidbxmldruidatomikos.service;
public class TeacherService {
}
service/impl/StudentServiceImpl
package com.mrcoder.sbmmultidbxmldruidatomikos.service.impl;
import com.mrcoder.sbmmultidbxmldruidatomikos.entity.master.Student;
import com.mrcoder.sbmmultidbxmldruidatomikos.entity.slave.Teacher;
import com.mrcoder.sbmmultidbxmldruidatomikos.mapper.master.StudentMapper;
import com.mrcoder.sbmmultidbxmldruidatomikos.mapper.slave.TeacherMapper;
import com.mrcoder.sbmmultidbxmldruidatomikos.service.StudentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
@Service
public class StudentServiceImpl implements StudentService {
@Autowired
private StudentMapper studentMapper;
@Autowired
private TeacherMapper teacherMapper;
public List getListByAnno() {
return studentMapper.getListByAnno();
}
public List getList() {
return studentMapper.getList();
}
public Student getById(Long id) {
return studentMapper.getById(id);
}
public Integer save(Student s) {
return studentMapper.insert(s);
}
public Integer update(Student s) {
return studentMapper.update(s);
}
public Integer delete(Long id) {
return studentMapper.delete(id);
}
@Transactional
public void trans(int code) {
Student s1 = new Student();
s1.setAge(10);
s1.setGrade(10);
s1.setName("s1");
studentMapper.insert(s1);
Teacher t1 = new Teacher();
t1.setAge(10);
t1.setName("t1");
t1.setCourse(10);
teacherMapper.insert(t1);
int result = 1 / code;
}
}
service/impl/TeacherServiceImpl
package com.mrcoder.sbmmultidbxmldruidatomikos.service.impl;
public class TeacherServiceImpl {
}
utils/redis/RedisUtil
package com.mrcoder.sbmmultidbxmldruidatomikos.utils.redis;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.util.CollectionUtils;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
/**
* @Description: redis 工具类
*/
public class RedisUtil {
private RedisTemplate redisTemplate;
public void setRedisTemplate(RedisTemplate redisTemplate) {
this.redisTemplate = redisTemplate;
}
/**
* 指定缓存失效时间
*
* @param key 键
* @param time 时间(秒)
* @return
*/
public boolean expire(String key, long time) {
try {
if (time > 0) {
redisTemplate.expire(key, time, TimeUnit.SECONDS);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 根据key 获取过期时间
*
* @param key 键 不能为null
* @return 时间(秒) 返回0代表为永久有效
*/
public long getExpire(String key) {
return redisTemplate.getExpire(key, TimeUnit.SECONDS);
}
/**
* 判断key是否存在
*
* @param key 键
* @return true 存在 false不存在
*/
public boolean hasKey(String key) {
try {
return redisTemplate.hasKey(key);
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 删除缓存
*
* @param key 可以传一个值 或多个
*/
@SuppressWarnings("unchecked")
public void del(String... key) {
if (key != null && key.length > 0) {
if (key.length == 1) {
redisTemplate.delete(key[0]);
} else {
redisTemplate.delete(CollectionUtils.arrayToList(key));
}
}
}
/**
* 普通缓存获取
*
* @param key 键
* @return 值
*/
public Object get(String key) {
return key == null ? null : redisTemplate.opsForValue().get(key);
}
/**
* 普通缓存放入
*
* @param key 键
* @param value 值
* @return true成功 false失败
*/
public boolean set(String key, Object value) {
try {
redisTemplate.opsForValue().set(key, value);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 普通缓存放入并设置时间
*
* @param key 键
* @param value 值
* @param time 时间(秒) time要大于0 如果time小于等于0 将设置无限期
* @return true成功 false 失败
*/
public boolean set(String key, Object value, long time) {
try {
if (time > 0) {
redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
} else {
set(key, value);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 递增
*
* @param key 键
* @param delta 要增加几(大于0)
* @return
*/
public long incr(String key, long delta) {
if (delta < 0) {
throw new RuntimeException("递增因子必须大于0");
}
return redisTemplate.opsForValue().increment(key, delta);
}
/**
* 递减
*
* @param key 键
* @param delta 要减少几(小于0)
* @return
*/
public long decr(String key, long delta) {
if (delta < 0) {
throw new RuntimeException("递减因子必须大于0");
}
return redisTemplate.opsForValue().increment(key, -delta);
}
/**
* HashGet
*
* @param key 键 不能为null
* @param item 项 不能为null
* @return 值
*/
public Object hget(String key, String item) {
return redisTemplate.opsForHash().get(key, item);
}
/**
* 获取hashKey对应的所有键值
*
* @param key 键
* @return 对应的多个键值
*/
public Map
controller/CurdController
package com.mrcoder.sbmmultidbxmldruidatomikos.controller;
import com.mrcoder.sbmmultidbxmldruidatomikos.entity.master.Student;
import com.mrcoder.sbmmultidbxmldruidatomikos.service.RedisService;
import com.mrcoder.sbmmultidbxmldruidatomikos.service.StudentService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import java.util.List;
@RestController
public class CurdController {
@Autowired
private StudentService studentService;
@Autowired
private RedisService redisService;
private Logger logger = LoggerFactory.getLogger(CurdController.class);
@RequestMapping("log")
public void testAll() {
logger.info("====info");
logger.warn("====warn");
logger.error("====error");
}
//列表查询
@RequestMapping("getStudentList")
public ResponseEntity> getStudentList() {
return ResponseEntity.ok(studentService.getList());
}
//列表查询
@RequestMapping("getStudentListByAnno")
public ResponseEntity> getStudentListByAnno() {
return ResponseEntity.ok(studentService.getListByAnno());
}
//新增
@RequestMapping("addStudent")
public int addStudent() {
Student student = new Student();
student.setAge(1);
student.setGrade(1);
student.setName("student");
return studentService.save(student);
}
//更新
@RequestMapping("updateStudent/{id}")
public int updateStudent(@PathVariable(name = "id") Long id) {
Student student = new Student();
student.setAge(10);
student.setGrade(10);
student.setName("update");
student.setId(id);
return studentService.update(student);
}
//删除
@RequestMapping("deleteStudent/{id}")
public int deleteStudent(@PathVariable(name = "id") Long id) {
return studentService.delete(id);
}
//事务
@RequestMapping("transSuccess")
public void transSuccess() {
//人为制造0除异常测试事务分布式事务回滚
studentService.trans(1);
}
//事务
@RequestMapping("transRoll")
public void transRoll() {
//人为制造0除异常测试事务分布式事务回滚
studentService.trans(0);
}
//redis string读写
@RequestMapping(value = "/redis")
public String redis(){
redisService.setValue("test", "test123");
return redisService.getValue("test").toString();
}
}
resource/generator/masterGenerator.xml
resource/generator/slaveGenerator.xml
mapper/master/StudentMapper.xml
id, name, age, grade
INSERT INTO
student
(age,grade,name)
VALUES
(#{age}, #{grade}, #{name})
UPDATE
student
SET
age = #{age},
grade = #{grade},
name = #{name}
WHERE
id = #{id}
DELETE FROM
student
WHERE
id =#{id}
mapper/slave/TeacherMapper.xml
id, name, age, course
INSERT INTO
teacher
(age,course,name)
VALUES
(#{age}, #{course}, #{name})
UPDATE
teacher
SET
age = #{age},
course = #{course},
name = #{name}
WHERE
id = #{id}
DELETE FROM
teacher
WHERE
id =#{id}
application.yml
## 公共配置start
## 配置数据源相关信息
spring:
## 环境配置
profiles:
active: dev
## 数据源设置
datasource:
type: com.alibaba.druid.pool.xa.DruidXADataSource
druid:
## 连接池配置
master:
## JDBC配置
name: master
url: jdbc:mysql://192.168.145.131:3306/test?useUnicode=true&characterEncoding=UTF-8&useSSL=false&autoReconnect=true&failOverReadOnly=false&serverTimezone=GMT%2B8
username: root
password: 123456
driver-class-name: com.mysql.cj.jdbc.Driver
filters: stat
maxActive: 20
initialSize: 1
maxWait: 60000
minIdle: 1
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: select 'x'
testWhileIdle: true
testOnBorrow: true
testOnReturn: true
poolPreparedStatements: true
maxOpenPreparedStatements: 20
slave:
## JDBC配置
name: slave
url: jdbc:mysql://192.168.145.131:3306/test2?useUnicode=true&characterEncoding=UTF-8&useSSL=false&autoReconnect=true&failOverReadOnly=false&serverTimezone=GMT%2B8
username: root
password: 123456
driver-class-name: com.mysql.cj.jdbc.Driver
filters: stat
maxActive: 20
initialSize: 1
maxWait: 60000
minIdle: 1
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: select 'x'
testWhileIdle: true
testOnBorrow: true
testOnReturn: true
poolPreparedStatements: true
maxOpenPreparedStatements: 20
redis:
host: 127.0.0.1 # redis服务所在的地址
port: 6379
password: # redis的密码默认为空
pool:
max-active: 8 #连接池最大连接数(使用负值表示没有限制)
max-idle: 8 #连接池最大空闲数
min-idle: 1 #连接池最小空闲数
max-wait: 60000 #获取连接的超时等待事件
timeout: 30000 #连接redis服务器的最大等待时间
#druid监控页面用户名和密码
druid:
name: admin
pass: admin
## 该配置节点为独立的节点
mybatis:
mapper-locations: classpath:mapper/*/*.xml # 注意:一定要对应mapper映射xml文件的所在路径
type-aliases-package: com.mrcoder.sbmmultidbxmldruidatomikos.entity # 注意:对应实体类的路径
configuration:
map-underscore-to-camel-case: true
## 公共配置 end
---
## 开发环境配置
spring:
profiles: dev
server:
port: 8080
---
## 测试环境配置
spring:
profiles: test
server:
port: 8082
---
## 生产环境配置
spring:
profiles: prod
server:
port: 8084
jta.properties
com.atomikos.icatch.service=com.atomikos.icatch.standalone.UserTransactionServiceFactory
com.atomikos.icatch.max_timeout=600000
com.atomikos.icatch.default_jta_timeout=600000
com.atomikos.icatch.log_base_dir =transaction-logs
com.atomikos.icatch.log_base_name=springboot-mybatis
com.atomikos.icatch.serial_jta_transactions=false
logback-spring.xml
logback
debug
%date %level [%thread] %logger{36} [%file : %line] %msg%n
logs/logback_debug.log
${path}/logback_debug.log.%d{yyyy-MM-dd}-%i.zip
${maxHistory}
${maxFileSize}
%date %level [%thread] %logger{36} [%file : %line] %msg%n
DEBUG
ACCEPT
DENY
logs/logback_info.log
${path}/logback_info.log.%d{yyyy-MM-dd}-%i.zip
${maxHistory}
${maxFileSize}
%date %level [%thread] %logger{36} [%file : %line] %msg%n
INFO
ACCEPT
DENY
logs/logback_warn.log
${path}/logback_warn.log.%d{yyyy-MM-dd}-%i.zip
${maxHistory}
${maxFileSize}
%date %level [%thread] %logger{36} [%file : %line] %msg%n
WARN
ACCEPT
DENY
logs/logback_error.log
${path}/logback_error.log.%d{yyyy-MM-dd}-%i.zip
${maxHistory}
${maxFileSize}
%date %level [%thread] %logger{36} [%file : %line] %msg%n
ERROR
ACCEPT
DENY
运行
http://localhost:8080/getStudentList
http://localhost:8080/getStudentListByAnno
http://localhost:8080/addStudent
http://localhost:8080/updateStudent/1
http://localhost:8080/deleteStudent/1
http://localhost:8080/transSuccess
http://localhost:8080/transRoll
http://localhost:8080/redis
项目地址
https://github.com/MrCoderStack/SpringBootDemo/tree/master/sbm-multidb-xml-druid-atomikos
https://gitee.com/MrCoderStack/SpringBootDemo/tree/master/sbm-multidb-xml-druid-atomikos