MyBatis工具类

package cn.word.util;

import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

public class MyBatisUtil {
private static SqlSessionFactory factory;
static{
try {
InputStream inputStream= Resources.getResourceAsStream("mybatis-config.xml");
factory = new SqlSessionFactoryBuilder().build(inputStream);
} catch (IOException e) {
e.printStackTrace();
}
}

public static Map getPara(HttpServletRequest request){
Map map = new HashMap();
Enumeration<String> enumeration = request.getParameterNames();
while(enumeration.hasMoreElements()){
String key = enumeration.nextElement();
String[] values = request.getParameterValues(key);
if(values.length == 1){
String value = values[0];
map.put(key, value);
}
}

return map;
}

public static SqlSession createSqlSession(){
return factory.openSession(false);
}

public static void closeSqlSession(SqlSession sqlSession){
if(null!=sqlSession){
sqlSession.close();
}
}
}