后台代码对iBatis配置文件中具体的sql语句的调用实现（被封装的增删改查）

using IBatisNet.Common.Exceptions;



using IBatisNet.DataAccess;

using IBatisNet.DataAccess.DaoSessionHandlers;

using IBatisNet.DataAccess.Interfaces;



using IBatisNet.DataMapper;

using IBatisNet.DataMapper.Commands;

using IBatisNet.DataMapper.Configuration.ParameterMapping;

using IBatisNet.DataMapper.MappedStatements;

using IBatisNet.DataMapper.Scope;



using System;

using System.Collections.Generic;

using System.Collections.Specialized;

using System.Data;

using System.Text;





namespace YTO.WeiXin.Core

{

    public class IbatisDaoExceptionHelper

    {

        // Methods

        public IbatisDaoExceptionHelper()

        {



        }

        public static string GetStatementDetail(ISqlMapper sqlMap, string statementName, object parameterObject)

        {

            try

            {

                StringBuilder builder = new StringBuilder();

                StringBuilder builder2 = new StringBuilder();

                MappedStatement mappedStatement = (MappedStatement)sqlMap.MappedStatements[statementName];

                ISqlMapSession localSession = sqlMap.LocalSession;

                RequestScope request = mappedStatement.Statement.Sql.GetRequestScope(mappedStatement, parameterObject, localSession);

                IDbCommand command = new DbCommandDecorator(localSession.CreateCommand(mappedStatement.Statement.CommandType), request);

                string preparedSql = request.PreparedStatement.PreparedSql;

                StringCollection dbParametersName = request.PreparedStatement.DbParametersName;

                IDbDataParameter[] dbParameters = request.PreparedStatement.DbParameters;

                int count = dbParametersName.Count;

                for (int i = 0; i < count; i++)

                {

                    IDbDataParameter parameter = dbParameters[i];

                    ParameterProperty mapping = request.ParameterMap.GetProperty(i);

                    builder.Append(parameter.ParameterName);

                    builder.Append("=[");

                    builder2.Append(parameter.ParameterName);

                    builder2.Append("=[");

                    builder.Append(mapping.PropertyName);

                    builder.Append(",");

                    IDbDataParameter dataParameter = command.CreateParameter();

                    request.ParameterMap.SetParameter(mapping, dataParameter, parameterObject);

                    if (dataParameter.Value == DBNull.Value)

                    {

                        builder.Append("null");

                        builder.Append("], ");

                        builder2.Append("System.DBNull, null");

                        builder2.Append("], ");

                    }

                    else

                    {

                        builder.Append(dataParameter.Value.ToString());

                        builder.Append("], ");

                        builder2.Append(dataParameter.DbType.ToString());

                        builder2.Append(", ");

                        builder2.Append(dataParameter.Value.GetType().ToString());

                        builder2.Append("], ");

                    }

                }

                string str2 = "Statement Id: [" + mappedStatement.Statement.Id + "] Parameters: [0]";

                string str3 = "";

                if (builder2.Length != 0)

                {

                    str2 = "Statement Id: [" + mappedStatement.Statement.Id + "] Parameters: [" + builder.ToString(0, builder.Length - 2) + "]";

                    str3 = "Statement Id: [" + mappedStatement.Statement.Id + "] Types: [" + builder2.ToString(0, builder2.Length - 2) + "]";

                }

                return (preparedSql + Environment.NewLine + str2 + (!string.IsNullOrEmpty(str3) ? (Environment.NewLine + str3) : ""));

            }

            catch

            {

            }

            return "can't get the sql error info";

        }



    }

    [Serializable]//可序列化

    public class BaseSqlMapDao1 : IDao

    {

        protected const int PAGE_SIZE = 4;



        protected string sqlMapNamespace;



        public BaseSqlMapDao1()

        {



        }



        protected string WrapStatementName(string statementName)

        {

            return (this.sqlMapNamespace + "." + statementName);

        }

        protected ISqlMapper GetLocalSqlMap()

        {

            SqlMapDaoSession localDaoSession = (SqlMapDaoSession)this.DaoManager.LocalDaoSession;

            return localDaoSession.SqlMap;

        }



        public IDaoManager DaoManager { get; set; }

        protected object ExecuteDelete(string statementName, object parameterObject)

        {

            object obj2;

            ISqlMapper localSqlMap = this.GetLocalSqlMap();

            try

            {

                obj2 = localSqlMap.Delete(statementName, parameterObject);

            }

            catch (Exception exception)

            {

                string str = IbatisDaoExceptionHelper.GetStatementDetail(localSqlMap, statementName, parameterObject);

                IBatisNetException exception2 = new IBatisNetException("Error executing delete '" + statementName + "'.  Cause: " + exception.Message, exception);

                exception2.Data.Add("sqlTrace", str);

                throw exception2;

            }

            return obj2;

        }



        protected object ExecuteInsert(string statementName, object parameterObject)

        {

            object obj2;

            ISqlMapper localSqlMap = this.GetLocalSqlMap();

            try

            {

                obj2 = localSqlMap.Insert(statementName, parameterObject);

            }

            catch (Exception exception)

            {

                string str = IbatisDaoExceptionHelper.GetStatementDetail(localSqlMap, statementName, parameterObject);

                IBatisNetException exception2 = new IBatisNetException("Error executing insert '" + statementName + "'.  Cause: " + exception.Message, exception);

                exception2.Data.Add("sqlTrace", str);

                throw exception2;

            }

            return obj2;

        }



        protected int ExecuteUpdate(string statementName, object parameterObject)

        {

            int num;

            ISqlMapper localSqlMap = this.GetLocalSqlMap();

            try

            {

                num = localSqlMap.Update(statementName, parameterObject);

            }

            catch (Exception exception)

            {

                string str = IbatisDaoExceptionHelper.GetStatementDetail(localSqlMap, statementName, parameterObject);

                IBatisNetException exception2 = new IBatisNetException("Error update  '" + statementName + "'.  Cause: " + exception.Message, exception);

                exception2.Data.Add("sqlTrace", str);

                throw exception2;

            }

            return num;

        }





        protected int ExecuteUpdate(string statementName, object parameterObject)

        {

            int num;

            ISqlMapper localSqlMap = this.GetLocalSqlMap();

            try

            {

                num = localSqlMap.Update(statementName, parameterObject);

            }

            catch (Exception exception)

            {

                string str = IbatisDaoExceptionHelper.GetStatementDetail(localSqlMap, statementName, parameterObject);

                IBatisNetException exception2 = new IBatisNetException("Error update  '" + statementName + "'.  Cause: " + exception.Message, exception);

                exception2.Data.Add("sqlTrace", str);

                throw exception2;

            }

            return num;

        }





        protected IList<T> ExecuteQueryForList<T>(string statementName, object parameterObject)

        {

            IList<T> list;

            ISqlMapper localSqlMap = this.GetLocalSqlMap();

            try

            {

                list = localSqlMap.QueryForList<T>(statementName, parameterObject);

            }

            catch (Exception exception)

            {

                string str = IbatisDaoExceptionHelper.GetStatementDetail(localSqlMap, statementName, parameterObject);

                IBatisNetException exception2 = new IBatisNetException("Error executing query '" + statementName + "' for list.  Cause: " + exception.Message, exception);

                exception2.Data.Add("sqlTrace", str);

                throw exception2;

            }

            return list;

        }

    }

}