cyf
85 lines
2.6 KiB
C#
85 lines
2.6 KiB
C#
/*
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* Copyright 2010 www.Zhaizj.Framework.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Web;
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using Zhaizj.Framework.Web;
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using Zhaizj.Framework.Web.Mvc;
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namespace Zhaizj.Framework.Data {
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/// <summary>
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/// access ÌØÊâÓï·¨´¦ÀíÆ÷
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/// </summary>
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[Serializable]
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public class AccessDialect : IDatabaseDialect {
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public String GetConnectionItem( String connectionString, ConnectionItemType connectionItem ) {
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String str = connectionItem.ToString().ToLower().Replace( "database", "data source" ).Replace( "userid", "user id" );
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String[] arrItem = connectionString.ToLower().Split( new char[] { ';' } );
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foreach (String item in arrItem) {
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if (item.Trim().ToLower().StartsWith( str )) {
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return item.Replace( str, "" ).Replace( "=", "" ).Replace( " ", "" );
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}
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}
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return null;
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}
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public String GetLimit( String sql, int limit ) {
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return sql.ToLower().Replace( "select ", "select top " + limit + " " );
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}
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public String GetLimit( String sql) {
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return sql;
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}
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public String GetTimeQuote() {
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return "#";
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}
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public String GetParameter( String parameterName ) {
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return "?";
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}
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public String GetParameterAdder( String parameterName ) {
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return ("@" + parameterName);
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}
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public static String MapPath( String connectionString ) {
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if (SystemInfo.IsWeb==false) {
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return connectionString;
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}
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String connectionItem = new AccessDialect().GetConnectionItem( connectionString, ConnectionItemType.Database );
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String newValue = PathHelper.Map( connectionItem );
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return connectionString.Replace( connectionItem, newValue );
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}
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public String Top {
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get { return "top"; }
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}
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public string GetLeftQuote() {
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return "[";
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}
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public string GetRightQuote() {
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return "]";
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}
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}
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}
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