topdao.java

WAP PUSH后台源码,WAP PUSH后台源码

      throw new SysException("SQLException while execute queryBySql mothod :\n" + e);
    } finally {
      closeResultSet(rs);
      closeStatement(stmt);
      closeConnection(dbConnection);
    }
  }
  public static int getRowCountBySql(String sql) throws SysException {
    Connection dbConnection = null;
    Statement stmt = null;
    ResultSet rs = null;
    int rowCount = 0;
    try {
      dbConnection = getDBConnection();
      stmt = dbConnection.createStatement();
      rs = stmt.executeQuery(sql);
      if ( rs.next() ) {
        rowCount = rs.getInt(1);
      }else{
        Debug.println(sql + "\n" + "ERROR in get row count!!");
        throw new SysException("ERROR in get row count!!");
      }
      return rowCount;
    } catch(SQLException e) {
      Debug.println(sql + "\n" + "SQLException while execute getRowCountBySql mothod :\n" + e);
      throw new SysException("SQLException while execute getRowCountBySql mothod :\n" + e);
    } finally {
      closeResultSet(rs);
      closeStatement(stmt);
      closeConnection(dbConnection);
    }
  }
  public static Collection queryAll() throws SysException {
    String sql = "SELECT * FROM WAP_TOP";
    return queryBySql(sql);
  }
  public static Collection queryAll(int beginRow, int endRow) throws SysException {
    String sql = "SELECT * FROM WAP_TOP";
    return queryBySql(sql, beginRow, endRow);
  }
  public static int getRowCountOfAll() throws SysException {
    String sql = "SELECT COUNT(*) FROM WAP_TOP";
    return getRowCountBySql(sql);
  }
  public static TopModel toModel(Hashtable element) {
    TopModel model = new TopModel();
    model.setChannelId(Integer.parseInt((String)element.get("channelId")));
    model.setDispOrder(Integer.parseInt((String)element.get("dispOrder")));
    return model;
  }
  public static Collection allToModel(Collection coll) {
    Collection value = new ArrayList();
    Iterator it = coll.iterator();
    while (it.hasNext()) {
      value.add(toModel((Hashtable)it.next()));
    }
    return value;
  }
  public static int getSequenceNextValue() throws SysException {
    String sql = "SELECT * FROM WAP_SEQUENCE WHERE TABLE_NAME = 'WAP_TOP'";
    Connection dbConnection = null;
    Statement stmt = null;
    ResultSet rs = null;
    int lastValue = 1;
    try {
      dbConnection = getDBConnection();
      stmt = dbConnection.createStatement();
      rs = stmt.executeQuery(sql);
      if ( rs.next() ) {
        lastValue = rs.getInt("LAST_VALUE");
        int minValue = rs.getInt("MIN_VALUE");
        int maxValue = rs.getInt("MAX_VALUE");
        int incrementBy = rs.getInt("INCREMENT_BY");
        int cycle = rs.getInt("CYCLE");
        if (lastValue < 0) {
          Debug.println("id last value can't smaller than 0");
          throw new SysException("id last value can't smaller than 0");
        }
        if (minValue < 0) {
          Debug.println("id min value can't smaller than 0");
          throw new SysException("id min value can't smaller than 0");
        }
        if (maxValue < 0) {
          Debug.println("id max value can't smaller than 0");
          throw new SysException("id max value can't smaller than 0");
        }
        if (incrementBy < 1) {
          Debug.println("id increment value can't smaller than 1");
          throw new SysException("id increment value can't smaller than 1");
        }
        if (cycle != 0 && cycle != 1) {
          Debug.println("id cycle value error, it can be 0 or 1 only");
          throw new SysException("id cycle value error, it can be 0 or 1 only");
        }
        if (lastValue < minValue) {
          Debug.println("id value is " + lastValue + ": \n" + "id value can't smaller than min value");
          throw new SysException("id value can't smaller than min value");
        }
        if (minValue >= maxValue) {
          Debug.println("id max value must bigger than min value");
          throw new SysException("id max value must bigger than min value");
        }
        if (lastValue > maxValue) {
          if (cycle == 0) {
            Debug.println("id value is " + lastValue + ": \n" + "id value exceeds max value");
            throw new SysException("id value exceeds max value");
          } else {
            lastValue = minValue;
          }
        }
        sql = "UPDATE WAP_SEQUENCE SET LAST_VALUE = " + (lastValue + incrementBy) + " WHERE TABLE_NAME = 'WAP_TOP'";
        stmt.executeUpdate(sql);
      }else{
        sql = "INSERT INTO WAP_SEQUENCE (TABLE_NAME, LAST_VALUE, MIN_VALUE, MAX_VALUE, INCREMENT_BY, CYCLE) VALUES ('WAP_TOP', 2, 1, 999999999, 1, 1)";
        stmt.executeUpdate(sql);
      }
      return lastValue;
    } catch(SQLException e) {
      Debug.println(sql + "\n" + "SQLException while execute getRowCountBySql method :\n" + e);
      throw new SysException("SQLException while execute getRowCountBySql method :\n" + e);
    } finally {
      closeResultSet(rs);
      closeStatement(stmt);
      closeConnection(dbConnection);
    }
  }
  protected static String getInsertSQL(TopModel model) {
    String sql = "";
    if (Database.dbType == DBType.ORACLE) {
      sql = "INSERT INTO WAP_TOP (CHANNEL_ID, DISP_ORDER) VALUES ("
          + model.getChannelId() + ", "
          + model.getDispOrder() + ")";
    } else if (Database.dbType == DBType.SQLSERVER) {
      sql = "INSERT INTO WAP_TOP (CHANNEL_ID, DISP_ORDER) VALUES ("
          + model.getChannelId() + ", "
          + model.getDispOrder() + ")";
    } else if (Database.dbType == DBType.MYSQL) {
      sql = "INSERT INTO WAP_TOP (CHANNEL_ID, DISP_ORDER) VALUES ("
          + model.getChannelId() + ", "
          + model.getDispOrder() + ")";
    }
    return sql;
  }
  protected static String getUpdateSQL(TopModel model) {
    String sql = "";
    if (Database.dbType == DBType.ORACLE) {
      sql = "UPDATE WAP_TOP SET DISP_ORDER = "
          + model.getDispOrder() + " WHERE CHANNEL_ID = " + model.getChannelId();
    } else if (Database.dbType == DBType.SQLSERVER) {
      sql = "UPDATE WAP_TOP SET DISP_ORDER = "
          + model.getDispOrder() + " WHERE CHANNEL_ID = " + model.getChannelId();
    } else if (Database.dbType == DBType.MYSQL) {
      sql = "UPDATE WAP_TOP SET DISP_ORDER = "
          + model.getDispOrder() + " WHERE CHANNEL_ID = " + model.getChannelId();
    }
    return sql;
  }
  protected static String getDeleteSQL(int channelId) {
    String sql = "";
    if (Database.dbType == DBType.ORACLE) {
      sql = "DELETE FROM WAP_TOP WHERE CHANNEL_ID = " + channelId;
    } else if (Database.dbType == DBType.SQLSERVER) {
      sql = "DELETE FROM WAP_TOP WHERE CHANNEL_ID = " + channelId;
    } else if (Database.dbType == DBType.MYSQL) {
      sql = "DELETE FROM WAP_TOP WHERE CHANNEL_ID = " + channelId;
    }
    return sql;
  }
  protected static String getDeleteSQL(int[] ids) {
    String sql = "";
    if (Database.dbType == DBType.ORACLE) {
      sql = "DELETE FROM WAP_TOP WHERE 1 = 2";
      for ( int i = 0; i < ids.length; i++ ) {
        sql += " OR CHANNEL_ID = " + ids[i];
      }
    } else if (Database.dbType == DBType.SQLSERVER) {
      sql = "DELETE FROM WAP_TOP WHERE 1 = 2";
      for ( int i = 0; i < ids.length; i++ ) {
        sql += " OR CHANNEL_ID = " + ids[i];
      }
    } else if (Database.dbType == DBType.MYSQL) {
      sql = "DELETE FROM WAP_TOP WHERE 1 = 2";
      for ( int i = 0; i < ids.length; i++ ) {
        sql += " OR CHANNEL_ID = " + ids[i];
      }
    }
    return sql;
  }
  protected static String getFindByPKSQL(int channelId) {
    String sql = "";
    if (Database.dbType == DBType.ORACLE) {
      sql = "SELECT * FROM WAP_TOP WHERE CHANNEL_ID = " + channelId;
    } else if (Database.dbType == DBType.SQLSERVER) {
      sql = "SELECT * FROM WAP_TOP WHERE CHANNEL_ID = " + channelId;
    } else if (Database.dbType == DBType.MYSQL) {
      sql = "SELECT * FROM WAP_TOP WHERE CHANNEL_ID = " + channelId;
    }
    return sql;
  }
  protected static boolean isValidData(TopModel model) {
    return true;
  }
  private static Connection getDBConnection() throws SysException {
    return Database.getConnection();
  }
  private static void closeConnection(Connection dbConnection) throws SysException {
    try {
      if (dbConnection != null && !dbConnection.isClosed()) {
        dbConnection.close();
        dbConnection = null;
      }
    } catch (SQLException se) {
      //throw new SysException("SQL Exception while closing DB connection : \n" + se);
    }
  }
  private static void closeResultSet(ResultSet result) throws SysException {
    try {
      if (result != null) {
        result.close();
      }
    } catch (SQLException se) {
      //throw new SysException("SQL Exception while closing Result Set : \n" + se);
    }
  }
  private static void closeStatement(Statement stmt) throws SysException {
    try {
      if (stmt != null) {
        stmt.close();
      }
    } catch (SQLException se) {
      //throw new SysException("SQL Exception while closing Statement : \n" + se);
    }
  }
  public static void main(String[] args) throws Exception{
    String action = "";
    if (args.length == 1) {
      action = args[0];
    }
    if (action == null || "".equals(action)) {

    } else if ("insert".equalsIgnoreCase(action)) {
      TopModel model=new TopModel();
      model.setChannelId(TopBean.getSequenceNextValue());
      model.setDispOrder(1);
      TopModel topModel = TopBean.insert(model);
    }else if ("update".equalsIgnoreCase(action)){
      TopModel topModel = TopBean.findByPK(1);
      int channelId = topModel.getChannelId();
      int dispOrder = topModel.getDispOrder();
      topModel.setDispOrder(dispOrder);
      update(topModel);
    }else if ("delete".equalsIgnoreCase(action)){
      int[] ids = new int[3];
      ids[0] = 1;
      ids[1] = 2;
      ids[2] = 3;
      TopBean.delete(ids);
    }else if ("findByPK".equalsIgnoreCase(action)){
      TopModel topModel = TopBean.findByPK(1);
      int channelId = topModel.getChannelId();
      int dispOrder = topModel.getDispOrder();
      System.out.println("channelId = " + channelId);
      System.out.println("dispOrder = " + dispOrder);
    }else if ("queryBySql".equalsIgnoreCase(action)){
      Collection coll = TopBean.queryBySql("SELECT * FROM WAP_TOP");
    }else if ("getRowCountBySql".equalsIgnoreCase(action)){
      int rowCount = TopBean.getRowCountBySql("SELECT COUNT(*) FROM WAP_TOP");
      System.out.println("rowCount = " + rowCount);
    }else if ("queryAll".equalsIgnoreCase(action)){
      Collection coll = TopBean.queryAll();
      Iterator it = coll.iterator();
      while ( it.hasNext() ) {
        Hashtable element = (Hashtable)it.next();
        String channelId = (String)element.get("channelId");
        String dispOrder = (String)element.get("dispOrder");
        System.out.print("channelId = " + channelId + ",\t");
        System.out.print("dispOrder = " + dispOrder + "\n");
      }
    }else if ("getRowCountOfAll".equalsIgnoreCase(action)){
      int rowCount = TopBean.getRowCountOfAll();
      System.out.println("rowCount = " + rowCount);
    }else if ("getSequenceNextValue".equalsIgnoreCase(action)){
      int sequenceValue = TopBean.getSequenceNextValue();
      System.out.println("sequenceValue = " + sequenceValue);
    }
  }
}
/*
int channelId = (model==null?0:model.getChannelId());
int dispOrder = (model==null?0:model.getDispOrder());
int channelId = PageUtil.parseIntField(request.getParameter("channelId"), "channelId", false, 0, );
int dispOrder = PageUtil.parseIntField(request.getParameter("dispOrder"), "dispOrder", false, 0, );


int channelId = PageUtil.parseIntField(request.getParameter("channelId"), "channelId", false, 0, 999999999);
int dispOrder = PageUtil.parseIntField(request.getParameter("dispOrder"), "dispOrder", true, 0, 999999999);
String channelId = (model==null?"0":""+model.getChannelId());
String dispOrder = (model==null?"0":""+model.getDispOrder());

Collection coll = TopBean.queryAll((pageNum-1) * pageRow + 1, pageNum * pageRow);
Iterator it = coll.iterator();
while ( it.hasNext() ) {
    Hashtable element = (Hashtable)it.next();
    TopModel topModel = TopBean.toModel(element);
    int channelId = topModel.getChannelId();
    int dispOrder = topModel.getDispOrder();

        excel.setCellData(new ExcelCell(ExcelUtil.INT_CELL_TYTE,    currRow, currCol++), channelId+"");
        excel.setCellData(new ExcelCell(ExcelUtil.INT_CELL_TYTE,    currRow, currCol++), dispOrder+"");
*/