标签：imp pool entity pre frame XA time SQ iba
POM
<!-- mybatis版本号 -->
<mybatis.version>3.2.1</mybatis.version>
<!-- spring-tx和spring-jdbc为tk mybatis用 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency>
<!--mybatis依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- mybatis/spring包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.0</version>
</dependency>
<!-- mysql驱动包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.29</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<!-- mybatis的通用mapper的通用Example使用 -->
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper</artifactId>
<version>3.2.0</version>
</dependency>
<!-- tk.mybatis依赖项：项目依赖于JPA的注解,需要添加Maven依赖: -->
<dependency>
<groupId>javax.persistence</groupId>
<artifactId>persistence-api</artifactId>
<version>1.0</version>
</dependency>
spring配置
<!-- 配置数据源 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driverClassName}" /> <property name="url" value="${jdbc.url}?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <property name="maxActive" value="10" /> <property name="maxWait" value="30" /> <property name="minIdle" value="1" /> <property name="poolPreparedStatements" value="true" /> <property name="validationQuery" value="select now()" /> </bean> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> </bean> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.yibai.spring.mapper" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" /> </bean> <bean class="tk.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.yibai.spring.*"/> </bean> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean>
jdbc.properties
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/thirdserver
jdbc.username=root
jdbc.password=root123
mapper：
public interface UserMapper extends Mapper<User> { @Select("SELECT * FROM user WHERE username = #{username}") User getUser(@Param(value = "username") String name); @Insert("INSERT INTO user(username,password,type,nickName) VALUES(#{name}," + "#{password},#{type},#{nickName})") public void addNewUser(User user); }
dao
package com.yibai.spring.bean;
import java.io.Serializable;
public class User implements Serializable {
/**
*
*/
private static final long serialVersionUID = -6537166060616535900L;
private String name;
private String password;
private String type;
private String nickName;
public String getName() {
return name;
}
public void setUsername(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getNickName() {
return nickName;
}
public void setNickName(String nickName) {
this.nickName = nickName;
}
}
service
package com.yibai.spring.service;
import java.util.Map;
import com.yibai.spring.bean.User;
import com.yibai.spring.common.EmResult;
import com.yibai.spring.mapper.UserMapper;
import tk.mybatis.mapper.entity.Example;
import tk.mybatis.mapper.entity.Example.Criteria;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.alibaba.fastjson.JSON;
import com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException;
@Service
public class UserService {
private static final Logger logger=LoggerFactory.getLogger(UserService.class);
@Autowired
private UserMapper userMapper;
public EmResult register(Map<String, String> userMap){
String mapJson=JSON.toJSONString(userMap);
logger.info("mapJson="+mapJson);
User user=new User();
user=JSON.parseObject(mapJson, User.class);
logger.info("json对象转换成功，NickName="+user.getNickName());
try{
logger.info("开始查询数据库操作");
User search=userMapper.getUser(user.getName());
if(search!=null&&search.getName().equals(user.getName())){
return new EmResult("00000","操作成功",user.getName()+"用户已经存在");
}
userMapper.addNewUser(user);
}catch(Exception e){
e.printStackTrace();
return new EmResult("00000","操作失败");
}finally{
}
return new EmResult("00000","操作成功");
}
public EmResult queryUser(String username){
try{
logger.info("开始查询数据库操作");
User user=userMapper.getUser("mayun");
if(user!=null){
return new EmResult("00000","查询成功",user);
}
}catch(Exception e){
e.printStackTrace();
}finally{
}
return new EmResult("00000","查询成功","未查询到该用户");
}
}
标签：imp pool entity pre frame XA time SQ iba
原文地址：https://www.cnblogs.com/peak911/p/9196556.html
