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package bdqn.newsMange.Dao.Impl;

import java.sql.ResultSet;import java.sql.SQLException;import java.util.ArrayList;import java.util.List;import bdqn.newsMange.Dao.BaseDao;import bdqn.newsMange.Dao.categoryTBDao;import bdqn.newsMange.entity.categoryTB;

/**

• ???????????*/public class categoryTBDaoImpl extends BaseDao implements categoryTBDao {

  // ??????public List

  getAllCategories() {String sql = "select categoryID, categoryName from categoryTB";List
  typelist = new ArrayList<>();try {ResultSet rs = executeQuery(sql, null);while (rs.next()) {categoryTB cate = new categoryTB();cate.setCategoryID(rs.getInt(1));cate.setCategoryName(rs.getString(2));typelist.add(cate);}} catch (ClassNotFoundException e) {e.printStackTrace();} catch (SQLException e) {e.printStackTrace();} finally {closeAll();}return typelist;}

  // ????public int addCategory(categoryTB cate) {int rel = 0;String sql = "insert into categoryTB (categoryName) values (?)";List

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