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src/com/ectrip/cyt/db/OrderDao.java 2.37 KB
3c2353cd   杜方   1、畅游通核销app源码提交;
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  package com.ectrip.cyt.db;
  
  import android.content.ContentValues;
  import android.content.Context;
  import android.database.Cursor;
  import android.database.sqlite.SQLiteDatabase;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @author dengchen
   *         Created by  2016/9/14.
   */
  public class OrderDao {
  
      private OrderDbHrlper mHelper;
  
      public OrderDao(Context context) {
          if (mHelper == null) {
              synchronized (OrderDao.class){
                  if (mHelper==null){
                      mHelper = new OrderDbHrlper(context);
                  }
              }
          }
      }
  
  
      /**
       * 订单请求失败后,添加流水号
       *
       * @param orderid 订单号
       * @param pid  流水号
       * @return 返回true添加成功,返回false添加失败
       */
      public boolean add(String orderid, String pid) {
          SQLiteDatabase db = mHelper.getWritableDatabase();
          ContentValues values = new ContentValues();
          values.put(OrderDbString.TableHistroy.INVITASION_PID, pid);
          values.put(OrderDbString.TableHistroy.INVITASION_ORDER, orderid);
  
          long insert = db.insert(OrderDbString.TableHistroy.TABLE_NAME, null, values);
          db.close();
          return insert != -1;
      }
  
      /**
       * 删除一条数据
       *
       * @return 返回true删除成功,返回false删除失败
       */
      public int deleteByOrder(String order) {
          SQLiteDatabase db = mHelper.getWritableDatabase();
          String whereClause = OrderDbString.TableHistroy.INVITASION_ORDER + "=?";
          int delete = db.delete(OrderDbString.TableHistroy.TABLE_NAME, whereClause, new String[]{order});
  
          db.close();
          return delete;
      }
  
      /**
       * 根据当前订单号查询流水号,返回浏览历史所需的的集合
       *
       * @param order
       * @return
       */
      public List<String> findByOrder(String order) {
          SQLiteDatabase db = mHelper.getReadableDatabase();
          String sql = OrderDbString.TableHistroy.QUERY_ALL_SQL;
          Cursor cursor = db.rawQuery(sql, new String[]{order});
          List<String> list = new ArrayList<>();
          if (cursor != null) {
              while (cursor.moveToNext()) {
  
                  String pid = cursor.getString(0);
                  list.add(pid);
              }
              cursor.close();
          }else {
              return null;
          }
          db.close();
          return list;
      }
  
  
  }