C# 生成Model和DAL

using Model;
using System.Collections.Generic;
using System.Text;

public class Class1
{

    #region 生成Model类
    public void testff()
    {
        #region  数据库ID所对应的类型值
        Dictionary<int, string> DicType = new Dictionary<int, string>();
        DicType.Add(56, "int");
        DicType.Add(231, "string");
        #endregion
        #region 列名集合和数据ID
        Dictionary<string, int> DicColum = new Dictionary<string, int>();
        DicColum.Add("name", 231);//名字
        DicColum.Add("column_id", 56);//列ID
        DicColum.Add("system_type_id", 56); //系统类型
        DicColum.Add("user_type_id", 56);//用户类型
        DicColum.Add("max_length", 56); //最大长度
        DicColum.Add("is_nullable", 56); //是否可空
        #endregion

        GenerateModel(DicType, DicColum);
    }//传递参数GenerateModel(DIC,DIC);
    public void GenerateModel(Dictionary<int, string> DicType, Dictionary<string, int> DicColum) //生成Model类字符串
    {

        string TypeName = "Model";
        string TableName = "ColumnInfo"; //列名信息
        TableName = TableName + TypeName;

        StringBuilder sb = new StringBuilder();
        sb.Append("using System;"); //引入命名空间
        sb.Append("namespace "); //命名空间名字
        sb.Append(TypeName + "{");
        sb.Append("    public partial class ");
        sb.Append(TableName + "{");
        sb.Append("public " + TableName + "(){}");


        sb.Append("#region Model" + "
"); //Begin
        #region //内容
        foreach (var i in DicColum) //增加字段
        {
            foreach (var j in DicType)
            {
                if (i.Value == j.Key) // DicColum的56== DicType的56
                {
                    sb.Append("private ");
                    sb.Append(j.Value);
                    sb.Append(" _");
                    //sb.Append(i.Key); //DicColumd的DictID   //转换一下大小写在追加
                    sb.Append(i.Key.ToLower());
                    sb.Append(";
");
                }
            }
        }

        foreach (var i in DicColum)//增加get/set
        {
            foreach (var j in DicType)
            {
                if (i.Value == j.Key) // DicColum的56== DicType的56
                {
                    sb.Append("public ");
                    sb.Append(j.Value);
                    sb.Append(" ");
                    sb.Append(i.Key);
                    sb.Append("{
"); //set{ _dicttype=value;}
                    sb.AppendFormat("set{{ _{0} =value;}}", i.Key.ToLower());
                    sb.AppendFormat("get{{return _{0} ;}}", i.Key.ToLower());
                    sb.Append("
}");
                }
            }
        }

        #endregion
        sb.Append("
" + "#endregion"); //End

        sb.Append("
" + "}}");
        //sb.AppendFormat("using System;namespace {0}{ public partial class Dictionary{1}{ public {1}(){}}}");
        string ss = sb.ToString();
    }
    public void GenerateModel(List<ColumnInfoModel> list)
    {
        #region  数据库ID所对应的类型值
        Dictionary<int, string> DicType = new Dictionary<int, string>();
        DicType.Add(56, "int");
        DicType.Add(231, "string");
        #endregion

        string ClassName = "类名";
        StringBuilder sb = new StringBuilder();
        sb.Append("using System;"); //引入命名空间
        sb.AppendFormat("namespace {0}
{{
", "Model");
        sb.AppendFormat("public partial class {0}
{{
", ClassName);
        sb.AppendFormat("public {0}(){{}}", ClassName); //构造函数

        sb.Append("#region Model" + "
"); //Begin
        #region 内容
        foreach (var i in list)
        {
            foreach (var j in DicType)
            {
                if (i.system_type_id == j.Key)
                {
                    sb.Append("private ");
                    sb.Append(j.Value);
                    sb.Append(" _");
                    sb.Append(i.name.ToLower());
                    sb.Append(";
");
                }
            }
        }
        foreach (var i in list)
        {
            foreach (var j in DicType)
            {
                if (i.system_type_id == j.Key)
                {
                    sb.Append("public ");
                    sb.Append(j.Value);
                    sb.Append(" ");
                    sb.Append(i.name);
                    sb.Append("{
"); //set{ _dicttype=value;}
                    sb.AppendFormat("set{{ _{0} =value;}}", i.name.ToLower());
                    sb.AppendFormat("get{{return _{0} ;}}", i.name.ToLower());
                    sb.Append("
}");
                }
            }
        }
        #endregion
        sb.Append("
" + "#endregion"); //End
        sb.Append("
" + "}}");
        string ss = sb.ToString();
    } //生成model类 字符串
    #endregion

    #region 生成DAL类

    public void GenerateDAL(string TableName, string ColumnName, string TypeName)
    {
        TypeName = "DAL";
        TableName = "ClassName";
        TableName = TableName + TypeName;

        StringBuilder sb = new StringBuilder();
        sb.Append("using System;"); //引入命名空间
        sb.Append("using System.Data;");
        sb.Append("using System.Text;");
        sb.Append("using System.Data.SqlClient;");
        sb.Append("using System.Collections.Generic;");
        sb.AppendFormat("namespace {0}
{
", TypeName);
        sb.AppendFormat("public partial class {0}
{
", TableName);
        sb.AppendFormat("public {0}(){}", TableName); //构造函数
        sb.Append("#region  --基本功能"); //基本功能
        //--添加功能
        sb.AppendFormat("public int Add({0} model)", TableName);
        sb.Append("
{
");
        sb.Append("StringBuilder strSql = new StringBuilder();");

        sb.AppendFormat("strSql.Append("insert into {0}(");", TableName.Replace(TypeName, ""));
        sb.AppendFormat("{0}) values (", "DictType,ParentID,Subtitle,Sorting"); //列名

        sb.AppendFormat("{0})", "@DictType,@ParentID,@Subtitle,@Sorting");
        sb.Append(";select @@IDENTITY");
        sb.Append("SqlParameter[] parameters = {
");




        sb.Append("
}
");
        sb.Append("#endregion");//end；

        sb.AppendFormat("public int Add({0} model)
{{
", "Model模型名称");
        sb.Append("StringBuilder strSql = new StringBuilder();");


    }
    public void GenerateDAL(List<ColumnInfoModel> list)
    {
        #region  数据库ID所对应的类型值
        Dictionary<int, string> DicType = new Dictionary<int, string>();
        DicType.Add(56, "int");
        DicType.Add(231, "string");
        #endregion

        string ClassName = "Dictionary";//类名
        string ClassNameDAL = "Dictionary" + "DAL";
        string ClassNameModel = "Dictionary" + "Model";
        StringBuilder sb = new StringBuilder();
        sb.Append("using System;"); //引入命名空间
        sb.Append("using System.Data;");
        sb.Append("using System.Text;");
        sb.Append("using System.Data.SqlClient;");
        sb.Append("using Model;");
        sb.AppendFormat("namespace {0}
{{
", "DAL");
        sb.AppendFormat("public partial class {0}
{{
", ClassNameDAL);
        sb.AppendFormat("public {0}(){{}}
", ClassNameDAL); //构造函数

        sb.Append("#region  --基本功能
"); //基本功能
        #region //增加一个Model
        //增加一个Model
        sb.AppendFormat("public int Add({0} model)", ClassNameModel);
        sb.Append("
{
");
        sb.Append("StringBuilder strSql = new StringBuilder();");
        sb.Append("
");
        sb.AppendFormat("strSql.Append("insert into {0}(");", ClassName);
        sb.Append("
");
        sb.AppendFormat("strSql.Append("{0})");", "DictType,ParentID,Subtitle,Sorting");//列名字符串
        sb.Append("
");
        sb.Append("strSql.Append(" values(");");
        sb.Append("
");
        sb.AppendFormat("strSql.Append("{0})");", "@DictType,@ParentID,@Subtitle,@Sorting)");//@列名字符串
        sb.Append("
");
        sb.Append("strSql.Append("; select @@IDENTITY");");
        sb.Append("
");
        sb.Append("SqlParameter[] parameters = {
");
        //// //new SqlParameter("@DictType", SqlDbType.NVarChar,50),
        foreach (var i in list)
        {
            foreach (var j in DicType)
            {
                if (i.system_type_id == j.Key)//DicColum的56== DicType的56
                {
                    if (j.Value == "int")
                    {
                        sb.Append("			");
                        sb.AppendFormat("new SqlParameter("@{0}", SqlDbType.{1},{2}),", i.name, "Int", i.max_length);
                        sb.Append("
");
                    }
                    if (j.Value == "string")
                    {
                        sb.Append("			");
                        sb.AppendFormat("new SqlParameter("@{0}", SqlDbType.{1},{2}),", i.name, "NVarChar", i.max_length / 2);
                        sb.Append("
");
                    }
                }
            }
        }
        sb.Remove(sb.Length - 3, 3);
        sb.Append("
			};
");// SqlParameter[] parameters = {};
        foreach (var i in list)
        {
            sb.AppendFormat("parameters[{0}].Value = model.{1};", list.IndexOf(i), i.name);
            sb.Append("
");
        }
        sb.Append("object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);");
        sb.Append("
");
        sb.Append("if (obj == null) 
{
 return 0; 
}
 else 
{
  return Convert.ToInt32(obj); 
}
");
        sb.Append("
}
");
        //--end
        #endregion

        #region  更新一条数据 
        //---终止 这种不灵活。。。。。

        #endregion

        sb.Append("#endregion");//end；
        sb.Append("
}
");
        sb.Append("
}
");
        string ss = sb.ToString();
    }
   #endregion
}