package dao; import model.Type; import org.apache.commons.dbutils.QueryRunner; import org.apache.commons.dbutils.handlers.BeanHandler; import org.apache.commons.dbutils.handlers.BeanListHandler; import utils.DataSourceUtils; import java.sql.SQLException; import java.util.List; public class TypeDao { public List GetAllType() throws SQLException { QueryRunner r=new QueryRunner(DataSourceUtils.getDataSource()); String sql="select * from type"; return r.query(sql,new BeanListHandler(Type.class)); } public Type selectTypeNameByID(int typeid) throws SQLException { QueryRunner r=new QueryRunner(DataSourceUtils.getDataSource()); String sql="select * from type where id=?"; return r.query(sql,new BeanHandler(Type.class),typeid); } public Type select(int id) throws SQLException { QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource()); String sql = "select * from type where id = ?"; return r.query(sql, new BeanHandler(Type.class),id); } public void insert(Type t) throws SQLException { QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource()); String sql = "insert into type(name) values(?)"; r.update(sql,t.getName()); } public void update(Type t) throws SQLException { QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource()); String sql = "update type set name=? where id = ?"; r.update(sql,t.getName(),t.getId()); } public void delete(int id) throws SQLException { QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource()); String sql = "delete from type where id = ?"; r.update(sql,id); } }