Spring+Ajax做的图书管理系统

/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.dbcp; import java.math.BigDecimal; import java.sql.Array; import java.sql.Blob; import java.sql.Clob; import java.sql.Ref; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.SQLWarning; import java.sql.Statement; import java.util.Calendar; /** * A dummy {@link ResultSet}, for testing purposes. * * @author Rodney Waldhoff * @author Dirk Verbeeck * @version $Revision: 479142 $ $Date: 2006-11-25 09:31:27 -0700 (Sat, 25 Nov 2006) $ */ public class TesterResultSet implements ResultSet { public TesterResultSet(Statement stmt) { _statement = stmt; } public TesterResultSet(Statement stmt, Object[][] data) { _statement = stmt; _data = data; } public TesterResultSet(Statement stmt, Object[][] data, int type, int concurrency) { _statement = stmt; _data = data; _type = type; _concurrency = concurrency; } protected int _type = ResultSet.TYPE_FORWARD_ONLY; protected int _concurrency = ResultSet.CONCUR_READ_ONLY; protected Object[][] _data = null; protected int _currentRow = -1; protected Statement _statement = null; protected int _rowsLeft = 2; protected boolean _open = true; public boolean next() throws SQLException { checkOpen(); if (_data != null) { _currentRow++; return _currentRow < _data.length; } else { if(--_rowsLeft > 0) { return true; } else { return false; } } } public void close() throws SQLException { checkOpen(); ((TesterStatement)_statement)._resultSet = null; _open = false; } public boolean wasNull() throws SQLException { checkOpen(); return false; } public String getString(int columnIndex) throws SQLException { checkOpen(); if (columnIndex == -1) { throw new SQLException("broken connection"); } if (_data != null) { return (String) getObject(columnIndex); } return "String" + columnIndex; } public boolean getBoolean(int columnIndex) throws SQLException { checkOpen(); return true; } public byte getByte(int columnIndex) throws SQLException { checkOpen(); return (byte)columnIndex; } public short getShort(int columnIndex) throws SQLException { checkOpen(); return (short)columnIndex; } public int getInt(int columnIndex) throws SQLException { checkOpen(); return (short)columnIndex; } public long getLong(int columnIndex) throws SQLException { checkOpen(); return (long)columnIndex; } public float getFloat(int columnIndex) throws SQLException { checkOpen(); return (float)columnIndex; } public double getDouble(int columnIndex) throws SQLException { checkOpen(); return (double)columnIndex; } /** @deprecated */ public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException { checkOpen(); return new BigDecimal((double)columnIndex); } public byte[] getBytes(int columnIndex) throws SQLException { checkOpen(); return new byte[] { (byte)columnIndex }; } public java.sql.Date getDate(int columnIndex) throws SQLException { checkOpen(); return null; } public java.sql.Time getTime(int columnIndex) throws SQLException { checkOpen(); return null; } public java.sql.Timestamp getTimestamp(int columnIndex) throws SQLException { checkOpen(); return null; } public java.io.InputStream getAsciiStream(int columnIndex) throws SQLException { checkOpen(); return null; } /** @deprecated */ public java.io.InputStream getUnicodeStream(int columnIndex) throws SQLException { checkOpen(); return null; } public java.io.InputStream getBinaryStream(int columnIndex) throws SQLException { checkOpen(); return null; } public String getString(String columnName) throws SQLException { checkOpen(); return columnName; } public boolean getBoolean(String columnName) throws SQLException { checkOpen(); return true; } public byte getByte(String columnName) throws SQLException { checkOpen(); return (byte)(columnName.hashCode()); } public short getShort(String columnName) throws SQLException { checkOpen(); return (short)(columnName.hashCode()); } public int getInt(String columnName) throws SQLException { checkOpen(); return (columnName.hashCode()); } public long getLong(String columnName) throws SQLException { checkOpen(); return (long)(columnName.hashCode()); } public float getFloat(String columnName) throws SQLException { checkOpen(); return (float)(columnName.hashCode()); } public double getDouble(String columnName) throws SQLException { checkOpen(); return (double)(columnName.hashCode()); } /** @deprecated */ public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException { checkOpen(); return new BigDecimal((double)columnName.hashCode()); } public byte[] getBytes(String columnName) throws SQLException { checkOpen(); return columnName.getBytes(); } public java.sql.Date getDate(String columnName) throws SQLException { checkOpen(); return null; } public java.sql.Time getTime(String columnName) throws SQLException { checkOpen(); return null; } public java.sql.Timestamp getTimestamp(String columnName) throws SQLException { checkOpen(); return null; } public java.io.InputStream getAsciiStream(String columnName) throws SQLException { checkOpen(); return null; } /** @deprecated */ public java.io.InputStream getUnicodeStream(String columnName) throws SQLException { checkOpen(); return null; } public java.io.InputStream getBinaryStream(String columnName) throws SQLException { checkOpen(); return null; } public SQLWarning getWarnings() throws SQLException { checkOpen(); return null; } public void clearWarnings() throws SQLException { checkOpen(); } public String getCursorName() throws SQLException { checkOpen(); return null; } public ResultSetMetaData getMetaData() throws SQLException { checkOpen(); return null; } public Object getObject(int columnIndex) throws SQLException { checkOpen(); if (_data != null) { return _data[_currentRow][columnIndex-1]; } return new Object(); } public Object getObject(String columnName) throws SQLException { checkOpen(); return columnName;