104 lines
3.1 KiB
Java
104 lines
3.1 KiB
Java
package dao.impl;
|
|
|
|
import common.DBTool;
|
|
import dao.UserDB;
|
|
import pojo.UserInfo;
|
|
|
|
import java.sql.PreparedStatement;
|
|
import java.sql.ResultSet;
|
|
import java.sql.SQLException;
|
|
|
|
public class UserDBImpl implements UserDB {
|
|
|
|
@Override
|
|
public UserInfo getUserByName(String username) {
|
|
UserInfo u = new UserInfo();
|
|
ResultSet rs = null;
|
|
try{
|
|
String sql = "select * from t_user where VC_LOGIN_NAME = ?";
|
|
PreparedStatement ps = DBTool.getPreparedStatement(sql);
|
|
ps.setString(1, username);
|
|
rs = ps.executeQuery();
|
|
if(rs.next()) {
|
|
u.setId(rs.getInt("N_USER_ID"));
|
|
u.setName(rs.getString("VC_LOGIN_NAME"));
|
|
u.setPass(rs.getString("VC_PASSWORD"));
|
|
}else{
|
|
u = null;
|
|
}
|
|
DBTool.close(ps, rs);
|
|
} catch (SQLException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
return u;
|
|
}
|
|
|
|
@Override
|
|
public UserInfo getUserById(int id) {
|
|
UserInfo u = new UserInfo();
|
|
ResultSet rs = null;
|
|
try{
|
|
String sql = "select * from t_user where N_USER_ID = ?";
|
|
PreparedStatement ps = DBTool.getPreparedStatement(sql);
|
|
ps.setInt(1, id);
|
|
rs = ps.executeQuery();
|
|
if(rs.next()) {
|
|
u.setId(rs.getInt("N_USER_ID"));
|
|
u.setName(rs.getString("VC_LOGIN_NAME"));
|
|
u.setPass(rs.getString("VC_PASSWORD"));
|
|
}else{
|
|
u = null;
|
|
}
|
|
DBTool.close(ps, rs);
|
|
} catch (SQLException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
return u;
|
|
}
|
|
|
|
@Override
|
|
public int addUser(UserInfo user) {
|
|
int lines = 0;
|
|
String sql = "INSERT INTO t_user (VC_LOGIN_NAME, VC_PASSWORD) VALUES (?, ?)";
|
|
try{
|
|
PreparedStatement ps = DBTool.getPreparedStatement(sql);
|
|
ps.setString(1, user.getName());
|
|
ps.setString(2, user.getPass());
|
|
lines = ps.executeUpdate();
|
|
} catch (SQLException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
return lines;
|
|
}
|
|
|
|
@Override
|
|
public int updateUser(UserInfo user) {
|
|
int lines = 0;
|
|
String sql = "UPDATE t_user SET VC_PASSWORD = ?,VC_LOGIN_NAME = ? WHERE N_USER_ID = ?";
|
|
try{
|
|
PreparedStatement ps = DBTool.getPreparedStatement(sql);
|
|
ps.setString(1, user.getPass());
|
|
ps.setString(2, user.getName());
|
|
ps.setInt(3, user.getId());
|
|
lines = ps.executeUpdate();
|
|
} catch (SQLException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
return lines;
|
|
}
|
|
|
|
@Override
|
|
public int deleteUser(int id) {
|
|
int lines = 0;
|
|
String sql = "DELETE FROM t_user WHERE N_USER_ID = ?";
|
|
try{
|
|
PreparedStatement ps = DBTool.getPreparedStatement(sql);
|
|
ps.setInt(1, id);
|
|
lines = ps.executeUpdate();
|
|
} catch (SQLException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
return 0;
|
|
}
|
|
}
|