init lserp cs 5.0

插件库/Zhaizj.Framework/Data/Dialect/AccessDialect.cs

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+/*
+ * Copyright 2010 www.Zhaizj.Framework.com
+ * 
+ * Licensed 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.
+ */
+
+using System;
+using System.Web;
+using Zhaizj.Framework.Web;
+using Zhaizj.Framework.Web.Mvc;
+
+namespace Zhaizj.Framework.Data {
+
+    /// <summary>
+    /// access ÌØÊâÓï·¨´¦ÀíÆ÷
+    /// </summary>
+    [Serializable]
+    public class AccessDialect : IDatabaseDialect {
+
+        public String GetConnectionItem( String connectionString, ConnectionItemType connectionItem ) {
+            String str = connectionItem.ToString().ToLower().Replace( "database", "data source" ).Replace( "userid", "user id" );
+            String[] arrItem = connectionString.ToLower().Split( new char[] { ';' } );
+            foreach (String item in arrItem) {
+                if (item.Trim().ToLower().StartsWith( str )) {
+                    return item.Replace( str, "" ).Replace( "=", "" ).Replace( " ", "" );
+                }
+            }
+            return null;
+        }
+
+        public String GetLimit( String sql, int limit ) {
+            return sql.ToLower().Replace( "select ", "select top " + limit + " " );
+        }
+
+        public String GetLimit( String sql) {
+            return sql;
+        }
+
+        public String GetTimeQuote() {
+            return "#";
+        }
+
+        public String GetParameter( String parameterName ) {
+            return "?";
+        }
+
+        public String GetParameterAdder( String parameterName ) {
+            return ("@" + parameterName);
+        }
+
+        public static String MapPath( String connectionString ) {
+            if (SystemInfo.IsWeb==false) {
+                return connectionString;
+            }
+            String connectionItem = new AccessDialect().GetConnectionItem( connectionString, ConnectionItemType.Database );
+            String newValue = PathHelper.Map( connectionItem );
+            return connectionString.Replace( connectionItem, newValue );
+        }
+
+        public String Top {
+            get { return "top"; }
+        }
+
+        public string GetLeftQuote() {
+            return "[";
+        }
+
+        public string GetRightQuote() {
+            return "]";
+        }
+
+    }
+}
+

插件库/Zhaizj.Framework/Data/Dialect/IDatabaseDialect.cs

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+/*
+ * Copyright 2010 www.Zhaizj.Framework.com
+ * 
+ * Licensed 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.
+ */
+
+using System;
+
+namespace Zhaizj.Framework.Data {
+
+    /// <summary>
+    /// 各种数据库的特殊语法处理接口
+    /// </summary>
+    public interface IDatabaseDialect {
+
+        String GetConnectionItem( String connectionString, ConnectionItemType connectionItem );
+        String GetLimit( String sql, int limit );
+        String GetLimit( String sql );
+
+        String GetParameter( String parameterName );
+        String GetParameterAdder( String parameterName );
+
+        String GetTimeQuote();
+
+        String GetLeftQuote();
+        String GetRightQuote();
+
+
+        String Top { get; }
+
+    }
+}
+

插件库/Zhaizj.Framework/Data/Dialect/MysqlDialect.cs

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+using System;
+
+namespace Zhaizj.Framework.Data {
+
+    /// <summary>
+    /// mysql ÌØÊâÓï·¨´¦ÀíÆ÷
+    /// </summary>
+    public class MysqlDialect : IDatabaseDialect {
+
+        public String GetConnectionItem( String connectionString, ConnectionItemType connectionItem ) {
+            return getConnectionItem( connectionString, connectionItem );
+        }
+
+
+        public static String getConnectionItem( String connStr, ConnectionItemType connectionItemType ) {
+
+            if (strUtil.IsNullOrEmpty( connStr )) throw new Exception( "mysql connection string is empty" );
+
+            String[] arrItems = connStr.ToLower().Split( ';' );
+
+            foreach (String item in arrItems) {
+
+                if (strUtil.IsNullOrEmpty( item )) continue;
+                String[] arrPair = item.Split( '=' );
+                if (arrPair.Length != 2) continue;
+
+                String key = arrPair[0].Trim();
+                String val = arrPair[1].Trim();
+
+                if (keyEqual( key, connectionItemType )) return val;
+
+            }
+
+            return "";
+        }
+
+        private static Boolean keyEqual( String key, ConnectionItemType connectionItemType ) {
+
+            if (connectionItemType == ConnectionItemType.Server) return key == "server";
+            if (connectionItemType == ConnectionItemType.Database) return key == "database";
+            if (connectionItemType == ConnectionItemType.UserId) return key == "user" || key == "uid" || key == "user id";
+            if (connectionItemType == ConnectionItemType.Password) return key == "password" || key == "pwd";
+
+            return false;
+        }
+
+        public String GetLimit( String sql, int limit ) {
+            return (sql + " limit " + limit);
+        }
+
+        public String GetLimit( String rSql ) {
+            if (rSql == null) return null;
+
+            String sql = rSql.ToLower();
+            if (sql.ToLower().IndexOf( " top " ) > 0) {
+
+                // selec top 10 * from
+                // 10 * from
+                String rMainSql = sql.Split( new String[] { " top " }, StringSplitOptions.None )[1].Trim();
+
+                String[] arrItem = rMainSql.Split( ' ' );
+                int limit = cvt.ToInt( arrItem[0] );
+
+                String mainSql = strUtil.TrimStart( rMainSql, arrItem[0] );
+
+
+                return this.GetLimit( "select " + mainSql, limit );
+            }
+
+            return sql;
+        }
+
+        public String GetTimeQuote() {
+            return "'";
+        }
+
+        public String GetParameter( String parameterName ) {
+            return ("@" + parameterName);
+        }
+
+        public String GetParameterAdder( String parameterName ) {
+            return ("@" + parameterName);
+        }
+
+        public String Top {
+            get { return "limit"; }
+        }
+
+        public string GetLeftQuote() {
+            return "`";
+        }
+
+        public string GetRightQuote() {
+            return "`";
+        }
+
+    }
+}
+

插件库/Zhaizj.Framework/Data/Dialect/SQLServerDialect.cs

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+using System;
+
+namespace Zhaizj.Framework.Data {
+
+    /// <summary>
+    /// sqlserver ÌØÊâÓï·¨´¦ÀíÆ÷
+    /// </summary>
+    public class SQLServerDialect : IDatabaseDialect {
+        public String GetConnectionItem( String connectionString, ConnectionItemType connectionItem ) {
+            String str = connectionItem.ToString().ToLower().Replace( "userid", "uid" ).Replace( "password", "pwd" );
+            String[] strArray = connectionString.ToLower().Split( new char[] { ';' } );
+            foreach (String item in strArray) {
+                if (item.Trim().ToLower().StartsWith( str )) {
+                    return item.Replace( str, "" ).Replace( "=", "" ).Replace( " ", "" );
+                }
+            }
+            return null;
+        }
+
+        public String GetTimeQuote() {
+            return "'";
+        }
+
+        public String GetLimit( String sql, int limit ) {
+            return sql.ToLower().Replace( "select ", "select top " + limit + " " );
+        }
+
+        public String GetLimit( String sql ) {
+            return sql;
+        }
+
+        public String GetParameter( String parameterName ) {
+            return ("@" + parameterName);
+        }
+
+        public String GetParameterAdder( String parameterName ) {
+            return ("@" + parameterName);
+        }
+
+        public String Top {
+            get { return "top"; }
+        }
+
+        public string GetLeftQuote() {
+            return "[";
+        }
+
+        public string GetRightQuote() {
+            return "]";
+        }
+
+    }
+}
+