builderbll.cs

一个可以生成代码的插件

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using System.Data.SqlClient;
using LTP.Utility;
using LTP.IDBO;
using LTP.CodeHelper;
namespace LTP.BuilderBLLComm
{
    /// <summary>
    /// 业务层代码组件
    /// </summary>
    public class BuilderBLL : IBuilder.IBuilderBLL
    {
        #region 私有变量
        protected string _key = "ID";//默认第一个主键字段		
        protected string _keyType = "int";//默认第一个主键类型
        NameRule namerule = new NameRule();
        #endregion

        #region 公有属性
        private List<ColumnInfo> _fieldlist;
        private List<ColumnInfo> _keys;
        private string _namespace; //顶级命名空间名
        private string _modelspace;
        private string _modelname;//model类名 
        private string _bllname;//bll类名    
        private string _dalname;//dal类名    
        private string _modelpath;
        private string _bllpath;
        private string _factorypath;
        private string _idalpath;
        private string _iclass;
        private string _dalpath;
        private string _dalspace;
        private bool isHasIdentity;
        private string dbType;

        /// <summary>
        /// 选择的字段集合
        /// </summary>
        public List<ColumnInfo> Fieldlist
        {
            set { _fieldlist = value; }
            get { return _fieldlist; }
        }   
        /// <summary>
        /// 主键或条件字段列表 
        /// </summary>
        public List<ColumnInfo> Keys
        {
            set { _keys = value; }
            get { return _keys; }
        }
        /// <summary>
        /// 顶级命名空间名
        /// </summary>
        public string NameSpace
        {
            set { _namespace = value; }
            get { return _namespace; }
        }

        /*============================*/

        /// <summary>
        /// 实体类的命名空间
        /// </summary>
        public string Modelpath
        {
            set { _modelpath = value; }
            get { return _modelpath; }
        }
        /// <summary>
        /// Model类名
        /// </summary>
        public string ModelName
        {
            set { _modelname = value; }
            get { return _modelname; }
        }

        /// <summary>
        /// 实体类的整个命名空间 + 类名，即等于 Modelpath+ModelName
        /// </summary>
        public string ModelSpace
        {
            get { return Modelpath + "." +ModelName; }
        }
                
        /*============================*/

        /// <summary>
        /// 业务逻辑层的命名空间
        /// </summary>
        public string BLLpath
        {
            set { _bllpath = value; }
            get { return _bllpath; }
        }
        /// <summary>
        /// BLL类名
        /// </summary>
        public string BLLName
        {
            set { _bllname = value; }
            get { return _bllname; }
        }
        
        /*============================*/

        /// <summary>
        /// 数据层的命名空间
        /// </summary>
        public string DALpath
        {
            set { _dalpath = value; }
            get { return _dalpath; }
        }
        public string DALName
        {
            set { _dalname = value; }
            get { return _dalname; }
        } 
        
        /// <summary>
        /// 数据层的命名空间+ 类名，即等于 DALpath + DALName
        /// </summary>
        public string DALSpace
        {
            get { return DALpath + "." + DALName; }
        }

        /*============================*/
        /// <summary>
        /// 工厂类的命名空间
        /// </summary>
        public string Factorypath
        {
            set { _factorypath = value; }
            get { return _factorypath; }
        }
        /// <summary>
        /// 接口的命名空间
        /// </summary>
        public string IDALpath
        {
            set { _idalpath = value; }
            get { return _idalpath; }
        }
        /// <summary>
        /// 接口名
        /// </summary>
        public string IClass
        {
            set { _iclass = value; }
            get { return _iclass; }
        }

        /*============================*/
               
        /// <summary>
        /// 是否有自动增长标识列
        /// </summary>
        public bool IsHasIdentity
        {
            set { isHasIdentity = value; }
            get { return isHasIdentity; }
        }
        public string DbType
        {
            set { dbType = value; }
            get { return dbType; }
        }
        /// <summary>
        /// 主键标识字段
        /// </summary>
        public string Key
        {
            get
            {
                foreach (ColumnInfo key in _keys)
                {
                    _key = key.ColumnName;
                    _keyType = key.TypeName;
                    if (key.IsIdentity)
                    {
                        _key = key.ColumnName;
                        _keyType = CodeCommon.DbTypeToCS(key.TypeName);
                        break;
                    }
                }
                return _key;
            }
        }
        private string KeysNullTip
        {
            get
            {
                if (_keys.Count == 0)
                {
                    return "//该表无主键信息，请自定义主键/条件字段";
                }
                else
                {
                    return "";
                }
            }
        }
        #endregion		

        #region  构造函数
        public BuilderBLL()
        { 
        }
        public BuilderBLL(List<ColumnInfo> keys, string modelspace)
        {
            _modelspace = modelspace;
            Keys = keys;
            foreach (ColumnInfo key in _keys)
            {
                _key = key.ColumnName;
                _keyType = key.TypeName;
                if (key.IsIdentity)
                {
                    _key = key.ColumnName;
                    _keyType = CodeCommon.DbTypeToCS(key.TypeName);
                    break;
                }
            }
        }
        #endregion
                        
        #region 业务层方法
        /// <summary>
        /// 得到整个类的代码
        /// </summary>      
        public string GetBLLCode(bool Maxid, bool Exists, bool Add, bool Update, bool Delete, bool GetModel,bool GetModelByCache, bool List)
        {            
            StringPlus strclass = new StringPlus();
            strclass.AppendLine("using System;");
            strclass.AppendLine("using System.Data;");
            strclass.AppendLine("using System.Collections.Generic;");
            if (GetModelByCache)
            {
                strclass.AppendLine("using LTP.Common;");
            }
            strclass.AppendLine("using " + Modelpath + ";");
            if ((Factorypath != "")&&(Factorypath !=null))
            {
                strclass.AppendLine("using " + Factorypath + ";");
            }
            if ((IDALpath != "")&&(IDALpath !=null))
            {
                strclass.AppendLine("using " + IDALpath + ";");
            }
            strclass.AppendLine("namespace " + BLLpath );
            strclass.AppendLine("{" );
            strclass.AppendSpaceLine(1, "/// <summary>" );
            strclass.AppendSpaceLine(1, "/// 业务逻辑类" + BLLName + " 的摘要说明。");
            strclass.AppendSpaceLine(1, "/// </summary>" );
            strclass.AppendSpaceLine(1, "public class " + BLLName);
            strclass.AppendSpaceLine(1, "{" );
            
            if ((IClass != "") && (IClass != null))
            {
                strclass.AppendSpaceLine(2, "private readonly " + IClass + " dal=" + "DataAccess.Create" + ModelName + "();");
            }
            else
            {
                strclass.AppendSpaceLine(2, "private readonly " + DALSpace + " dal=" + "new " + DALSpace + "();");
            }
            strclass.AppendSpaceLine(2, "public " + BLLName + "()");
            strclass.AppendSpaceLine(2, "{}" );
            strclass.AppendSpaceLine(2, "#region  成员方法" );

            #region  方法代码
            if (Maxid)
            {
                if (Keys.Count > 0)
                {
                    foreach (ColumnInfo obj in Keys)
                    {
                        if (CodeCommon.DbTypeToCS(obj.TypeName) == "int")
                        {
                            if (obj.IsPK)
                            {
                                strclass.AppendLine(CreatBLLGetMaxID() );
                                break;
                            }
                        }
                    }
                }
            }
            if (Exists)
            {
                strclass.AppendLine(CreatBLLExists() );
            }
            if (Add)
            {
                strclass.AppendLine(CreatBLLADD() );
            }
            if (Update)
            {
                strclass.AppendLine(CreatBLLUpdate() );
            }
            if (Delete)
            {
                strclass.AppendLine(CreatBLLDelete() );
            }
            if (GetModel)
            {
                strclass.AppendLine(CreatBLLGetModel() );                         
            }
            if (GetModelByCache)
            {