codesmith的使用

新建一个C#模版。

model类的模版代码如下：

<%--
Name: 模型层代码生成模版
Author: XX
 Description: 根据数据库的内容生成模型层代码
Version: V1. 新规初成
--%>
<%@ CodeTemplate Language="C#" TargetLanguage="Text" ResponseEncoding="UTF-8"%>
<%@ Property Name="Namespace" Type="String" Default="Model" Category="内容" Description="命名空间名称" %>
<%@ Property Name="SourceTable" Type="SchemaExplorer.TableSchema" Category="内容" Description="数据源表" %>
<%@ Property Name="ObjectName" Type="String" Category="注释" Description="对象名称，为生成注释而用" %>
<%@ Assembly Name="SchemaExplorer" %>
<%@ Import Namespace="SchemaExplorer" %>
 using System;
 using System.Collections.Generic;
 using System.Text;

 namespace <%=Namespace%>
 {
     /// <summary>
     /// <%=ObjectName%>的模型
    /// </summary>
     [Serializable()]
     public class <%=GetClassName(SourceTable)%>
     {
         private <%=GetPrimaryKeyType(SourceTable)%> <%=GetPrimaryKeyFieldName(SourceTable)%>;
         <%
             // 循环输出非主键列的定义
            foreach(ColumnSchema colum in SourceTable.NonPrimaryKeyColumns)
             {
         %>
         private <%=GetDataTypeByColumn(colum)%> <%=GetFieldNameByColumn(colum)%>;
         <%
             }
         %>

         public <%= GetClassName(SourceTable)%>() {}

         public <%=GetPrimaryKeyType(SourceTable)%> <%=GetPrimaryKeyPropertyName(SourceTable)%>
         {
             get{ return this.<%=GetPrimaryKeyFieldName(SourceTable)%>; }
             set{ this.<%=GetPrimaryKeyFieldName(SourceTable)%> = value; }
         }

         <%
             // 循环输出非主键列的属性
            foreach(ColumnSchema colum in SourceTable.NonPrimaryKeyColumns)
             {
         %>
         public <%=GetDataTypeByColumn(colum)%> <%=GetPropertyNameByColumn(colum)%>
         {
             get{ return this.<%=GetFieldNameByColumn(colum)%>; }
             set{ this.<%=GetFieldNameByColumn(colum)%> = value; }
         }

         <%
             }
         %>
     }
 }

<script runat="template">

     // 根据表对象获得类名称
    public string GetClassName(TableSchema table)
     {
         string tempTable;
         if (table.Name.EndsWith("s"))
         {
             tempTable = table.Name.Substring(,table.Name.Length-);
         }
         else
         {
             tempTable = table.Name;
         }
         return ConvertToPascal(tempTable);
     }

     // 根据表对象获得主键的类型
    public string GetPrimaryKeyType(TableSchema table)
     {
         if (table.PrimaryKey != null)
         {
             if (table.PrimaryKey.MemberColumns.Count == )
             {
                 return GetCSharpDataTypeByDBColumn(table.PrimaryKey.MemberColumns[]);
             }
             else
             {
                 throw new ApplicationException("此模板只支持单个列的主键");
             }
         }
         else
         {
             throw new ApplicationException("此模板需要有主键的表");
         }
     }

     // 根据表对象获得主键的名称(原始)
    public string GetPrimaryKeyName(TableSchema table)
     {
         if (table.PrimaryKey != null)
         {
             if (table.PrimaryKey.MemberColumns.Count == )
             {
                 return ConvertToCamel(table.PrimaryKey.MemberColumns[].Name);
             }
             else
             {
                 throw new ApplicationException("此模板只支持单个列的主键");
             }
         }
         else
         {
             throw new ApplicationException("此模板需要有主键的表");
         }
     }

     // 根据表对象获得主键的字段名(骆驼命名)
    public string GetPrimaryKeyFieldName(TableSchema table)
     {
         return ConvertToCamel(GetPrimaryKeyName(table));
     }

     // 根据表对象获得主键的属性名(帕斯卡命名)
    public string GetPrimaryKeyPropertyName(TableSchema table)
     {
         return ConvertToPascal(GetPrimaryKeyName(table));
     }

     // 根据列对象获得列的类型
    public string GetDataTypeByColumn(ColumnSchema column)
     {
         return GetCSharpDataTypeByDBColumn(column);
     }

     // 根据列对象获得列的字段名(骆驼命名)
    public string GetFieldNameByColumn(ColumnSchema column)
     {
         return ConvertToCamel(column.Name);
     }

     // 根据列对象获得列的属性名(帕斯卡命名)
    public string GetPropertyNameByColumn(ColumnSchema column)
     {
         return ConvertToPascal(column.Name);
     }

     // 根据列对象获得CSharp中类型
    public string GetCSharpDataTypeByDBColumn(ColumnSchema column)
     {
         switch (column.DataType)
         {
             case DbType.AnsiString: return "string";
             case DbType.AnsiStringFixedLength: return "string";
             case DbType.Binary: return "byte[]";
             case DbType.Boolean: return "bool";
             case DbType.Byte: return "byte";
             case DbType.Currency: return "decimal";
             case DbType.Date: return "DateTime";
             case DbType.DateTime: return "DateTime";
             case DbType.Decimal: return "decimal";
             case DbType.Double: return "double";
             case DbType.Guid: return "Guid";
             case DbType.Int16: return "short";
             case DbType.Int32: return "int";
             case DbType.Int64: return "long";
             case DbType.Object: return "object";
             case DbType.SByte: return "sbyte";
             case DbType.Single: return "float";
             case DbType.String: return "string";
             case DbType.StringFixedLength: return "string";
             case DbType.Time: return "TimeSpan";
             case DbType.UInt16: return "ushort";
             case DbType.UInt32: return "uint";
             case DbType.UInt64: return "ulong";
             case DbType.VarNumeric: return "decimal";
             default:
             {
                 return "__UNKNOWN__" + column.NativeType;
             }
         }
     }

     // 帕斯卡命名转换
    public string ConvertToPascal(string str)
     {
         return str.Substring(,).ToUpper() + str.Substring();
     }

     // 骆驼命名转换
    public string ConvertToCamel(string str)
     {
         return str.Substring(,).ToLower() + str.Substring();
     }

     // 重写获得文件名的方法
    public override string GetFileName()
     {
         return GetClassName(SourceTable) + ".cs";
     }
</script>

代码写好后，连接SQL数据库。

点击图中红色处。

（注：该数据库类型为sqlserver类型）

添加完成后效果如下图：（该添加数据库的表全部显示出来了。）

再列表中选择你要生成的实体类的表，单击select按钮。

再将实体类名称写入。

点击红色框中的按钮，进行生成。生成页面如下图：

最后再保存到自己想要保存的地方即可。

业务逻辑层的模版如下：

<%--
Name: 数据访问层代码生成模版
Author: Fencer
 Description: 根据数据库的内容生成模型层代码
Version: V1. 新规初成
--%>
<%@ CodeTemplate Language="C#" TargetLanguage="Text" ResponseEncoding="UTF-8"%>
<%@ Property Name="Namespace" Type="String" Default="SQLServerDAL" Category="内容" Description="命名空间名称" %>
<%@ Property Name="SourceTable" Type="SchemaExplorer.TableSchema" Category="内容" Description="数据源表" %>
<%@ Property Name="ObjectName" Type="String" Category="注释" Description="对象名称，为生成注释而用" %>
<%@ Assembly Name="System.Data" %>
<%@ Assembly Name="SchemaExplorer" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="SchemaExplorer" %>
 using System;
 using System.Collections.Generic;
 using System.Text;
 using System.Data;
 using System.Data.SqlClient;
 using Model;
 namespace <%=Namespace%>
 {

     /// <summary>
     /// <%=ObjectName%>的数据访问操作
    /// </summary>
     public class <%=GetModelName(SourceTable)%>BLL
     {
         /// <summary>
         /// 添加<%=ObjectName%>
         /// </summary>
         /// <param name="<%=GetModelParameterName(SourceTable)%>"><%=ObjectName%></param>
         /// <returns>最新编号</returns>
         public int Add<%=GetModelName(SourceTable)%>(<%=GetModelName(SourceTable)%> <%=GetModelParameterName(SourceTable)%>)
         {
             string sql = <%=GetInsertSql()%>;

             SqlParameter[] pas = new SqlParameter[]
                 {
                     <%
                         for(int i=; i<SourceTable.NonPrimaryKeyColumns.Count; i++)
                         {
                             ColumnSchema column = SourceTable.NonPrimaryKeyColumns[i];
                     %>
                     new SqlParameter("@<%=column.Name%>",SqlDbType.<%=GetSqlDbType(column)%>,<%=column.Size%>)<%= (i==(SourceTable.NonPrimaryKeyColumns.Count-)? "":",")%>
                     <%
                         }
                     %>
                 };

             <%
                 for(int i=; i<SourceTable.NonPrimaryKeyColumns.Count; i++)
                 {
             %>
             pas[<%=i%>].Value = <%=GetModelParameterName(SourceTable)%>.<%=ConvertToPascal(SourceTable.NonPrimaryKeyColumns[i].Name)%>;
             <%
                 }
             %>

             return Convert.ToInt32(SqlHelper.ExecuteNonQuery(sql, CommandType.Text, pas));
         }

         /// <summary>
         /// 更新<%=ObjectName%>
         /// </summary>
         /// <param name="<%=GetModelParameterName(SourceTable)%>"><%=ObjectName%></param>
         /// <returns>bool</returns>
         public bool Update<%=GetModelName(SourceTable)%>(<%=GetModelName(SourceTable)%> <%=GetModelParameterName(SourceTable)%>)
         {
             string sql = <%=GetUpdateSql()%>;

             SqlParameter[] pas = new SqlParameter[]
                 {
                     <%
                         for(int i=; i<SourceTable.NonPrimaryKeyColumns.Count; i++)
                         {
                             ColumnSchema column = SourceTable.NonPrimaryKeyColumns[i];
                     %>
                     new SqlParameter("@<%=column.Name%>",SqlDbType.<%=GetSqlDbType(column)%>,<%=column.Size%>),
                     <%
                         }
                     %>
                     new SqlParameter("@<%=GetPrimaryKeyName(SourceTable)%>",SqlDbType.<%=GetSqlDbType(GetPrimaryKeyColumn(SourceTable))%>,<%=GetPrimaryKeySize(SourceTable)%>)
                 };

             <%
                 for(int i=; i<=SourceTable.NonPrimaryKeyColumns.Count; i++)
                 {
                     if (i < SourceTable.NonPrimaryKeyColumns.Count)
                     {
             %>
             pas[<%=i%>].Value = <%=GetModelParameterName(SourceTable)%>.<%=ConvertToPascal(SourceTable.NonPrimaryKeyColumns[i].Name)%>;
             <%
                     }
                     else
                     {
             %>
             pas[<%=i%>].Value = <%=GetModelParameterName(SourceTable)%>.<%=ConvertToPascal(GetPrimaryKeyName(SourceTable))%>;
             <%
                     }
                 }
             %>

             int rows = SqlHelper.ExecuteNonQuery(sql, CommandType.Text, pas);
             return (rows == );
         } 

         /// <summary>
         /// 根据ID删除<%=ObjectName%>
         /// </summary>
         /// <param name="<%=GetPrimaryKeyFieldName(SourceTable)%>"><%=ObjectName%>ID</param>
         /// <returns>bool</returns>
         public bool Delete<%=GetModelName(SourceTable)%>By<%=GetPrimaryKeyPropertyName(SourceTable)%>(<%=GetPrimaryKeyType(SourceTable)%> <%=GetPrimaryKeyFieldName(SourceTable)%>)
         {
             string sql = "DELETE FROM <%=SourceTable.Name%> WHERE <%=GetPrimaryKeyName(SourceTable)%>=@<%=GetPrimaryKeyName(SourceTable)%>";

             SqlParameter pa = new SqlParameter("@<%=GetPrimaryKeyName(SourceTable)%>",SqlDbType.<%=GetPrimaryKeySqlDbType(SourceTable)%>,<%=GetPrimaryKeySize(SourceTable)%>);
             pa.Value = <%=GetPrimaryKeyFieldName(SourceTable)%>;

             int rows = SqlHelper.ExecuteNonQuery(sql, CommandType.Text, pa);

             return (rows == );
         }

         /// <summary>
         /// 根据ID查询<%=ObjectName%>
         /// </summary>
         /// <param name="<%=GetPrimaryKeyFieldName(SourceTable)%>"><%=ObjectName%>ID</param>
         /// <returns><%=ObjectName%>对象</returns>
         public <%=GetModelName(SourceTable)%> Get<%=GetModelName(SourceTable)%>By<%=GetPrimaryKeyPropertyName(SourceTable)%>(<%=GetPrimaryKeyType(SourceTable)%> <%=GetPrimaryKeyFieldName(SourceTable)%>)
         {
             string sql = <%=GetSelectOneModelSql()%>;

             SqlParameter pa = new SqlParameter("@<%=GetPrimaryKeyName(SourceTable)%>",SqlDbType.<%=GetPrimaryKeySqlDbType(SourceTable)%>,<%=GetPrimaryKeySize(SourceTable)%>);
             pa.Value = <%=GetPrimaryKeyFieldName(SourceTable)%>;

             using(SqlDataReader rdr = SqlHelper.ExecuteReader(sql, CommandType.Text,pa))
             {
                 if (rdr.Read())
                 {
                     <%=GetModelName(SourceTable)%> <%=GetModelParameterName(SourceTable)%> = new <%=GetModelName(SourceTable)%>();
                     <%
                         foreach(ColumnSchema column in SourceTable.Columns)
                         {
                     %>
                     <%=GetModelParameterName(SourceTable)%>.<%=ConvertToPascal(column.Name)%> = (<%=GetCSharpDataTypeByDBColumn(column)%>)rdr["<%=column.Name%>"];
                     <%
                         }
                     %>

                     return <%=GetModelParameterName(SourceTable)%>;
                 }
             }

             return null;
         }

         /// <summary>
         /// 获得所有<%=ObjectName%>
         /// </summary>
         /// <returns><%=ObjectName%>集合</returns>
         public List<<%=GetModelName(SourceTable)%>> GetAll<%=GetModelName(SourceTable)%>s()
         {
             string sql = <%=GetSelectAllModelSql()%>;

             List<<%=GetModelName(SourceTable)%>> all<%=GetModelName(SourceTable)%>s = new List<<%=GetModelName(SourceTable)%>>();

             using(SqlDataReader rdr = SqlHelper.ExecuteReader(sql, CommandType.Text))
             {
                 while (rdr.Read())
                 {
                     <%=GetModelName(SourceTable)%> <%=GetModelParameterName(SourceTable)%> = new <%=GetModelName(SourceTable)%>();
                     <%
                         foreach(ColumnSchema column in SourceTable.Columns)
                         {
                     %>
                     <%=GetModelParameterName(SourceTable)%>.<%=ConvertToPascal(column.Name)%> = (<%=GetCSharpDataTypeByDBColumn(column)%>)rdr["<% =column.Name%>"];
                     <%
                         }
                     %>

                     all<%=GetModelName(SourceTable)%>s.Add(<%=GetModelParameterName(SourceTable)%>);
                 }
             }

             return all<%=GetModelName(SourceTable)%>s;
         }
     }
 }

<script runat="template">
     public string GetClassName(TableSchema table)
     {
         string tempTable;
         if (table.Name.EndsWith("s"))
         {
             tempTable = table.Name.Substring(,table.Name.Length-);
         }
         else
         {
             tempTable = table.Name;
         }
         return tempTable;
     }

     public string GetModelName(TableSchema table)
     {
         return ConvertToPascal(GetClassName(table));
     }

     public string GetModelParameterName(TableSchema table)
     {
         return ConvertToCamel(GetClassName(table));
     }

     public string GetPrimaryKeyType(TableSchema table)
     {
         if (table.PrimaryKey != null)
         {
             if (table.PrimaryKey.MemberColumns.Count == )
             {
                 return GetCSharpDataTypeByDBColumn(table.PrimaryKey.MemberColumns[]);
             }
             else
             {
                 throw new ApplicationException("此模板只支持单个列的主键");
             }
         }
         else
         {
             throw new ApplicationException("此模板需要有主键的表");
         }
     }

     public ColumnSchema GetPrimaryKeyColumn(TableSchema table)
     {
         if (table.PrimaryKey != null)
         {
             if (table.PrimaryKey.MemberColumns.Count == )
             {
                 return table.PrimaryKey.MemberColumns[];
             }
             else
             {
                 throw new ApplicationException("此模板只支持单个列的主键");
             }
         }
         else
         {
             throw new ApplicationException("此模板需要有主键的表");
         }
     }

     public string GetPrimaryKeyName(TableSchema table)
     {
         if (table.PrimaryKey != null)
         {
             if (table.PrimaryKey.MemberColumns.Count == )
             {
                 return table.PrimaryKey.MemberColumns[].Name;
             }
             else
             {
                 throw new ApplicationException("此模板只支持单个列的主键");
             }
         }
         else
         {
             throw new ApplicationException("此模板需要有主键的表");
         }
     }

     public string GetPrimaryKeySize(TableSchema table)
     {
         return table.PrimaryKey.MemberColumns[].Size.ToString();
     }

     public string GetPrimaryKeySqlDbType(TableSchema table)
     {
         return GetSqlDbType(table.PrimaryKey.MemberColumns[]);
     }

     public string GetPrimaryKeyFieldName(TableSchema table)
     {
         return ConvertToCamel(GetPrimaryKeyName(table));
     }

     public string GetPrimaryKeyPropertyName(TableSchema table)
     {
         return ConvertToPascal(GetPrimaryKeyName(table));
     }

     public string GetInsertSql()
     {
         string sql = "\"INSERT INTO " + SourceTable.Name + "(";
         foreach(ColumnSchema column in SourceTable.NonPrimaryKeyColumns)
         {
             sql += column.Name + ",";
         }
         sql = sql.Substring(,sql.Length-);
         sql += ")\" +\n";

         sql += "\t\t\t\t\" values(";
         foreach(ColumnSchema column in SourceTable.NonPrimaryKeyColumns)
         {
             sql += "@" + column.Name + ",";
         }
         sql = sql.Substring(,sql.Length-);
         sql += ")\"";

         return sql;
     }

     public string GetUpdateSql()
     {
         string sql = "\"UPDATE " + SourceTable.Name + " \" +\n";
         sql += "\t\t\t\t\"SET ";
         foreach(ColumnSchema column in SourceTable.NonPrimaryKeyColumns)
         {
             sql += column.Name + "=@" + column.Name + ",";
         }
         sql = sql.Substring(,sql.Length-);
         sql += " \" +\n";

         sql += "\t\t\t\t\"WHERE " + GetPrimaryKeyName(SourceTable) + "=@" + GetPrimaryKeyName(SourceTable) + "\"";

         return sql;
     }

     public string GetSelectOneModelSql()
     {
         string sql = "\"SELECT ";
         foreach(ColumnSchema column in SourceTable.Columns)
         {
             sql += column.Name + ",";
         }
         sql = sql.Substring(,sql.Length-);
         sql += " \" +\n";

         sql += "\t\t\t\t\"FROM " + SourceTable.Name + " \" +\n";
         sql += "\t\t\t\t\"WHERE " + GetPrimaryKeyName(SourceTable) + "=@" + GetPrimaryKeyName(SourceTable) + "\"";

         return sql;
     }

     public string GetSelectAllModelSql()
     {
         string sql = "\"SELECT ";
         foreach(ColumnSchema column in SourceTable.Columns)
         {
             sql += column.Name + ",";
         }
         sql = sql.Substring(,sql.Length-);
         sql += " \" +\n";

         sql += "\t\t\t\t\"FROM " + SourceTable.Name + "\"";

         return sql;
     }

     public string GetCSharpDataTypeByDBColumn(ColumnSchema column)
     {
         switch (column.DataType)
         {
             case DbType.AnsiString: return "string";
             case DbType.AnsiStringFixedLength: return "string";
             case DbType.Binary: return "byte[]";
             case DbType.Boolean: return "bool";
             case DbType.Byte: return "byte";
             case DbType.Currency: return "decimal";
             case DbType.Date: return "DateTime";
             case DbType.DateTime: return "DateTime";
             case DbType.Decimal: return "decimal";
             case DbType.Double: return "double";
             case DbType.Guid: return "Guid";
             case DbType.Int16: return "short";
             case DbType.Int32: return "int";
             case DbType.Int64: return "long";
             case DbType.Object: return "object";
             case DbType.SByte: return "sbyte";
             case DbType.Single: return "float";
             case DbType.String: return "string";
             case DbType.StringFixedLength: return "string";
             case DbType.Time: return "TimeSpan";
             case DbType.UInt16: return "ushort";
             case DbType.UInt32: return "uint";
             case DbType.UInt64: return "ulong";
             case DbType.VarNumeric: return "decimal";
             default:
             {
                 return "__UNKNOWN__" + column.NativeType;
             }
         }
     }

     public string GetSqlDbType(ColumnSchema column)
     {
         switch (column.NativeType)
         {
             case "bigint": return "BigInt";
             case "binary": return "Binary";
             case "bit": return "Bit";
             case "char": return "Char";
             case "datetime": return "DateTime";
             case "decimal": return "Decimal";
             case "float": return "Float";
             case "image": return "Image";
             case "int": return "Int";
             case "money": return "Money";
             case "nchar": return "NChar";
             case "ntext": return "NText";
             case "numeric": return "Decimal";
             case "nvarchar": return "NVarChar";
             case "real": return "Real";
             case "smalldatetime": return "SmallDateTime";
             case "smallint": return "SmallInt";
             case "smallmoney": return "SmallMoney";
             case "sql_variant": return "Variant";
             case "sysname": return "NChar";
             case "text": return "Text";
             case "timestamp": return "Timestamp";
             case "tinyint": return "TinyInt";
             case "uniqueidentifier": return "UniqueIdentifier";
             case "varbinary": return "VarBinary";
             case "varchar": return "VarChar";
             default: return "__UNKNOWN__" + column.NativeType;
         }
     }

     public string ConvertToPascal(string str)
     {
         return str.Substring(,).ToUpper() + str.Substring();
     }

     public string ConvertToCamel(string str)
     {
         return str.Substring(,).ToLower() + str.Substring();
     }

     public override string GetFileName()
     {
         return GetModelName(SourceTable) + "Service.cs";
     }

     public string ConvertDataType(string datatype,string dataname)
     {
        string result = "";
        if(datatype=="int")
        {
            result="Convert.ToInt32("+dataname+")";
        }else if(datatype=="string")
        {
            result =dataname.ToString();
        }else if(datatype=="DateTime")
        {
            result ="Convert.ToDateTime("+dataname+")";
        }else if(datatype=="bool")
        {
            result = "Convert.ToBoolean("+dataname+")";
        }else if(datatype=="byte")
        {
            result = "Convert.ToByte("+dataname+")";
        }else
        {
            result = "("+datatype+")"+dataname;
        }
        return result;
     }
</script>