Customer
package com.shpun.entity;
public class Customer {
private String id;
private String name;
private String gender;
private String birthday;
private String tel;
private String email;
private String introduction;
/*getter setter*/
}
CustomerMapper
package com.shpun.mapper;
@Repository
public interface CustomerMapper {
int insertCustomer(Customer customer);
int deleteCustomer(String id);
int updateCustomer(Customer customer);
Customer selectCustomer(String id);
List selectAllCustomers();
}
CustomerMapper.xml
insert into customers (name,gender,birthday,tel,email,introduction) value (#{name},#{gender},#{birthday},#{tel},#{email},#{introduction})
delete from customers where id=#{id}
update customers set name=#{name},gender=#{gender},birthday=#{birthday},tel=#{tel},email=#{email},introduction=#{introduction} where id=#{id}
Mybatis-config.xml
spring-config.xml
CustomerService接口及其实现类
package com.shpun.service;
public interface CustomerService {
int insertCustomer(Customer customer);
int deleteCustomer(String id);
int updateCustomer(Customer customer);
Customer selectCustomer(String id);
List selectAllCustomer();
}
CustomerServiceImpl
package com.shpun.service;
@Service
public class CustomerServiceImpl implements CustomerService {
@Autowired
private CustomerMapper customerMapper = null;
/**
* @Transactional(propagation = Propagation.REQUIRES_NEW,isolation = Isolation.READ_COMMITTED)
* propagation = Propagation.REQUIRES_NEW 传播行为，每次都开启一个新事务
* isolation = Isolation.READ_COMMITTED 隔离级别，读/写提交 大部分情况下的选择
* @param customer
* @return
*/
@Override
@Transactional(propagation = Propagation.REQUIRES_NEW,isolation = Isolation.READ_COMMITTED)
public int insertCustomer(Customer customer) {
return customerMapper.insertCustomer(customer);
}
@Override
@Transactional(propagation = Propagation.REQUIRES_NEW,isolation = Isolation.READ_COMMITTED)
public int deleteCustomer(String id) {
return customerMapper.deleteCustomer(id);
}
@Override
@Transactional(propagation = Propagation.REQUIRES_NEW,isolation = Isolation.READ_COMMITTED)
public int updateCustomer(Customer customer) {
return customerMapper.updateCustomer(customer);
}
@Override
@Transactional(propagation = Propagation.REQUIRES_NEW,isolation = Isolation.READ_COMMITTED)
public Customer selectCustomer(String id) {
return customerMapper.selectCustomer(id);
}
@Override
@Transactional(propagation = Propagation.REQUIRES_NEW,isolation = Isolation.READ_COMMITTED)
public List selectAllCustomer() {
return customerMapper.selectAllCustomers();
}
}
CustomerListService接口及其实现类
package com.shpun.service;
public interface CustomerListService {
int insertCustomerList(List customerList);
int deleteCustomerList(List customerList);
int updateCustomerList(List customerList);
List selectCustomerList(List customerList);
}
CustomerListServiceImpl
package com.shpun.service;
@Service
public class CustomerListServiceImpl implements CustomerListService {
@Autowired
private CustomerService customerService;
/**
* @Transactional(propagation = Propagation.REQUIRED,isolation = Isolation.READ_COMMITTED)
* propagation = Propagation.REQUIRED Spring默认传播方式，存在当前事务则沿用；否则创建新事务
* isolation = Isolation.READ_COMMITTED 隔离级别，读/写提交 大部分情况下的选择
*
* @param customerList
* @return
*/
@Override
@Transactional(propagation = Propagation.REQUIRED,isolation = Isolation.READ_COMMITTED)
public int insertCustomerList(List customerList) {
int count = 0;
for(Customer customer : customerList){
try{
customerService.insertCustomer(customer);
}catch(Exception e){
e.printStackTrace();
}
}
return count;
}
@Override
@Transactional(propagation = Propagation.REQUIRED,isolation = Isolation.READ_COMMITTED)
public int deleteCustomerList(List customerList) {
int count = 0;
for(Customer customer : customerList){
try{
customerService.deleteCustomer(customer.getId());
}catch(Exception e){
e.printStackTrace();
}
}
return count;
}
@Override
@Transactional(propagation = Propagation.REQUIRED,isolation = Isolation.READ_COMMITTED)
public int updateCustomerList(List customerList) {
int count = 0;
for(Customer customer : customerList){
try{
customerService.updateCustomer(customer);
}catch(Exception e){
e.printStackTrace();
}
}
return count;
}
@Override
@Transactional(propagation = Propagation.REQUIRED,isolation = Isolation.READ_COMMITTED)
public List selectCustomerList(List customerList) {
List customers = new ArrayList<>();
for(Customer customer : customerList){
try{
customers.add(customerService.selectCustomer(customer.getId()));
}catch(Exception e){
e.printStackTrace();
}
}
return customers;
}
}
测试
package com.shpun.main;
public class Test {
public static void main(String[] args){
ApplicationContext context = new ClassPathXmlApplicationContext("spring-config.xml");
CustomerService cutomerService = context.getBean(CustomerService.class);
CustomerListService customerListService = context.getBean(CustomerListService.class);
List customerList = new ArrayList<>();
// insert
for(int i=0;i<3;i++){
Customer customer = new Customer();
customer.setName("tx"+i);
customer.setIntroduction("spring mybatis transaction "+i);
customerList.add(customer);
}
System.out.println("insert");
customerListService.insertCustomerList(customerList);
// delete
customerList.clear();
for(int i=1;i<=3;i++){
Customer customer = new Customer();
customer.setId("101"+i);
customerList.add(customer);
}
System.out.println("delete");
customerListService.deleteCustomerList(customerList);
// update
customerList.clear();
for(int i=1;i<=3;i++){
Customer customer = new Customer();
customer.setId("102"+i);
customer.setName("修改");
customer.setIntroduction("我被修改了TX"+i);
customerList.add(customer);
}
System.out.println("update");
customerListService.updateCustomerList(customerList);
// select singal
System.out.println(cutomerService.selectCustomer("1001"));
// select list
customerList.clear();
for(int i=5;i<=7;i++){
Customer customer = new Customer();
customer.setId("104"+i);
customerList.add(customer);
}
System.out.println(customerListService.selectCustomerList(customerList));
// select all
customerList.clear();
System.out.println("select all");
customerList = cutomerService.selectAllCustomer();
for(Customer customer : customerList){
System.out.println(customer);
}
}
}
ps:
Spring + Mybatis 启用事务，并使用注解的方式@Transactional记得在spring配置文件中添加