[导入]c# 生成model 层代码 测试版

[导入]c# 生成model 层代码 测试版

string  dir  =   "" ;
         private   string  filepath  =   "" ;
         private   string  model  =   "" ;
         protected   string  data  =   " abcdefghi " ;
         public  Form1()
        {
            InitializeComponent();
        }
         ///   <summary>
         ///  获取数据
         ///   </summary>
         ///   <param name="sql"></param>
         ///   <returns></returns>
          public  DataTable GetTable( string  sql)
        {
            DataSet ds  =   new  DataSet();
             try
            {
                SqlConnection conn  =   new  SqlConnection();
                conn.ConnectionString  =   " initial catalog= " + this .tbdata.Text.TrimEnd().ToString() + " ;data source=.;user id= " + this .tbuser.Text.TrimEnd() + " ;password= " + this .tbpass.Text.TrimEnd();
                SqlCommand cmd  =   new  SqlCommand();
                cmd.Connection  =  conn;
                cmd.CommandText  =  sql;
                SqlDataAdapter da  =   new  SqlDataAdapter();
                da.SelectCommand  =  cmd;
                
                da.Fill(ds);
               
            }
             catch  (Exception ex)
            {

                MessageBox.Show(ex.Message);
            }
             return  ds.Tables[ 0 ];
        } 

      
         private   void  button1_Click( object  sender, EventArgs e)
        {
            DataTable dt  =   this .GetTable( " select * from sysobjects where xtype='u' order by status desc " );
             for  ( int  i  =   0 ; i  <  dt.Rows.Count - 1 ; i ++ )
            {
                 string  tableBean  =  Convert.ToString(dt.Rows[i][ " name " ] ?? "" ).ToUpper();
                tableBean  =  tableBean.Length  >   1   ?  (tableBean.Substring( 0 , 1 ).ToUpper() + tableBean.Substring( 1 ).ToLower()) : (tableBean.ToUpper());
                DataTable dtt  =   this .GetTable( " select * from [ " + Convert.ToString(dt.Rows[i][ " name " ]) + " ] " );
                System.Text.StringBuilder sbshu  =   new  StringBuilder( " using System; " ).Append(System.Environment.NewLine).Append( " using System.Collections.Generic; " ).Append(System.Environment.NewLine).Append( " using System.Text; " ).Append(System.Environment.NewLine).Append( " using System.Data; " ).Append(Environment.NewLine).Append( " using System.Data.SqlClient; " ).Append(System.Environment.NewLine).Append( "" ).Append(System.Environment.NewLine).Append( " namespace  " ).Append( this .tbNamespace.Text.Trim()).Append(System.Environment.NewLine).Append( " { " ).Append(System.Environment.NewLine);

                System.Text.StringBuilder sbset  =   new  StringBuilder( "" );
                
                System.Text.StringBuilder sbbean  =   new  StringBuilder( " public  "   +  tableBean  +   "  SelectById(){ " + System.Environment.NewLine  +  tableBean  +   "    "   +  tableBean.ToLower().ToString()  +   "  = new  "   +  tableBean  +   " (); " + System.Environment.NewLine + "" );
                sbbean.Append( " string sql = "select * from  "   +  tableBean  +   "  where  "   +  dtt.Columns[ 0 ].ColumnName.ToString()  +   " =@ "   +  dtt.Columns[ 0 ].ColumnName.ToString() +   " "; " ).Append(Environment.NewLine);
                sbbean.Append( " SqlParameter[] pas = {new SqlParameter(" " ).Append( " @ " ).Append(dtt.Columns[ 0 ].ColumnName.ToString()).Append( " " " ).Append( " , " ).Append(dtt.Columns[ 0 ].ColumnName.ToString()).Append( " )}; " ).Append(Environment.NewLine);
                sbbean.Append( " DataTable dt = db.GetTable(sql,pas); " ).Append(Environment.NewLine);
                sbbean.Append( "   if(dt.Rows.Count>0) " ).Append(Environment.NewLine).Append( "     { " ).Append(Environment.NewLine);
                 // sql前半部分

                StringBuilder sbpas  =   new  StringBuilder( " SqlParameter[] pas = { " ); 
                StringBuilder sbadd  =   new  StringBuilder( " public bool Add() " );
                sbadd.Append( " { " );
                sbadd.Append(Environment.NewLine);
                sbshu.Append(Environment.NewLine);
                sbshu.Append( " public class  " );
                sbshu.Append(tableBean);
                sbshu.Append( " { " );
                sbshu.Append(Environment.NewLine);

                System.Text.StringBuilder sbsqlbefore  =   new  StringBuilder( " insert into  " ).Append(tableBean).Append( " ( " );
                System.Text.StringBuilder sbsqlafter  =   new  StringBuilder( "  values( " );
                StringBuilder sbupd  =   new  StringBuilder( " public bool Update() "   +  Environment.NewLine  +   " { "   +  Environment.NewLine  +   " string sql ="update  " ).Append(tableBean).Append( "  set  " );
                StringBuilder sbdel  =   new  StringBuilder( " public bool Delete() " ).Append(Environment.NewLine).Append( " { " ).Append( " string sql = "delete  " ).Append(tableBean).Append( "  where  " ).Append( " [ " ).Append(dtt.Columns[ 0 ].ColumnName.ToString()).Append( " ] " ).Append( " = " ).Append( " @ " ).Append(dtt.Columns[ 0 ].ColumnName.ToString()).Append( " "; " ).Append(Environment.NewLine);
                StringBuilder sbdelpas  =   new  StringBuilder( " SqlParameter[] pas = { " );
                StringBuilder sbsel  =   new  StringBuilder( " public DataTable Select() " ).Append(Environment.NewLine).Append( " { " ).Append(Environment.NewLine).Append( " DataTable dt = db.GetTable("select * from  " ).Append(tableBean).Append( " ")??new DataTable(); " ).Append(Environment.NewLine).Append( " return dt; " ).Append(Environment.NewLine).Append( " } " );
                 // 循环字段
                 for  ( int  j  =   0 ; j  <  dtt.Columns.Count; j ++ )
                {
                    sbshu.Append( " private string _ " + dtt.Columns[j].ColumnName.ToString() + " ; " + System.Environment.NewLine);
                    sbset.Append( " public string  "   +  dtt.Columns[j].ColumnName.ToString()  +   " {set{this._ "   +  dtt.Columns[j].ColumnName.ToString()  +   " =value;}get{return this._ "   +  dtt.Columns[j].ColumnName.ToString()  +   " ;}} " + System.Environment.NewLine);
                    sbbean.Append( "        " ).Append(tableBean.ToLower().ToString()  +   " . "   +  dtt.Columns[j].ColumnName.ToString()  +   " =Convert.ToString(dt.Rows[0][" "   +  dtt.Columns[j].ColumnName.ToString()  +   " "]); " ).Append(System.Environment.NewLine);
                     if  (j  !=   0 )
                    {
                        sbsqlbefore.Append( " , " );
                        sbsqlafter.Append( " , " );
                    }
                     /// 添加
                    sbsqlbefore.Append( " [ " ).Append(dtt.Columns[j].ColumnName.ToString()).Append( " ] " );
                    sbsqlafter.Append( " @ " + dtt.Columns[j].ColumnName.ToString());
                    sbpas.Append( " new SqlParameter(" " );
                    sbpas.Append( " @ " );
                    sbpas.Append(dtt.Columns[j].ColumnName.ToString());
                    sbpas.Append( " ", " );
                    sbpas.Append(dtt.Columns[j].ColumnName.ToString());
                    sbpas.Append( " ) " );
                     if  (j  <  dtt.Columns.Count  -   1 )
                    {
                        sbpas.Append( " , " );
                    }
                     /// 修改
                     if  (j  !=   0 )
                    {
                        sbupd.Append( " [ " ).Append(dtt.Columns[j].ColumnName.ToString()).Append( " ] " ).Append( " = " );
                        sbupd.Append( " @ " );
                        sbupd.Append(dtt.Columns[j].ColumnName.ToString());
                         if  (j  <  dtt.Columns.Count  -   1 )
                        {
                            sbupd.Append( " , " );
                        }
                    }
                    
                  
                }
                sbpas.Append( " }; " );
                sbsqlbefore.Append( " ) " );
                sbsqlafter.Append( " ) " );
                 /// 循环字段
                sbadd.Append( " string sql = " " ).Append(sbsqlbefore.ToString()).Append(sbsqlafter.ToString()).Append( " " " ).Append( " ; " ).Append(Environment.NewLine);
                sbadd.Append(sbpas.ToString()).Append(Environment.NewLine);
                sbadd.Append( " return db.GetState(sql,pas); " ).Append(Environment.NewLine);
                sbadd.Append( " } " ).Append(Environment.NewLine);
                 // 添加结束
                 /// 修改
                sbupd.Append( "  where  " );
                sbupd.Append(dtt.Columns[ 0 ].ColumnName.ToString());
                sbupd.Append( " = " );
                sbupd.Append( " @ " );
                sbupd.Append(dtt.Columns[ 0 ].ColumnName.ToString()).Append( " "; " ).Append(Environment.NewLine);
                sbupd.Append(sbpas).Append(Environment.NewLine);
                sbupd.Append( " return db.GetState(sql,pas); " ).Append(Environment.NewLine);
                sbupd.Append( " } " ).Append(Environment.NewLine);
                 /// 删除
                sbdelpas.Append( " new SqlParameter(" " ).Append( " @ " ).Append(dtt.Columns[ 0 ].ColumnName.ToString()).Append( " " " ).Append( " , " ).Append(dtt.Columns[ 0 ].ColumnName.ToString()).Append( " )}; " );
                sbdel.Append(sbdelpas.ToString()).Append(Environment.NewLine);
                sbdel.Append( " return db.GetState(sql,pas); " ).Append(Environment.NewLine).Append( " } " );
                 // 查询


                sbshu.Append(sbset.ToString()).Append(System.Environment.NewLine).Append( " DbAccess db = new DbAccess(); " ).Append(Environment.NewLine).Append(sbadd.ToString()).Append(Environment.NewLine).Append(sbupd.ToString()).Append(Environment.NewLine).Append(sbdel.ToString()).Append(Environment.NewLine).Append(sbsel.ToString()).Append(Environment.NewLine).Append( " //查询 " ).Append(System.Environment.NewLine).Append(sbbean.Append(System.Environment.NewLine).Append( "     } " ).Append(Environment.NewLine).Append( " return  "   +  tableBean.ToLower().ToString()  +   " ; "   +  System.Environment.NewLine  +   " } " ).ToString());
              ///
                sbshu.Append(System.Environment.NewLine);
                
                sbshu.Append(System.Environment.NewLine).Append( " } " ).Append(System.Environment.NewLine).Append( " } " );
                 this .richTextBox1.Text  =  sbshu.ToString();
                 using  (System.IO.StreamWriter sw  =   new  System.IO.StreamWriter( this .filepath  + " \ " +  tableBean  +   " .cs " , false ,System.Text.Encoding.GetEncoding( " gb2312 " )))
                {
                    sw.Write(sbshu.ToString());
                    sw.Flush();
                }
                 this .richTextBox1.Text = sbshu.ToString();

            }
            

        }

         private   void  button2_Click( object  sender, EventArgs e)
        {
             this .folderBrowserDialog1.ShowDialog();
             this .filepath = this .folderBrowserDialog1.SelectedPath.ToString();
             this .model  =   this .filepath.Substring( this .filepath.LastIndexOf( " \ " ) + 1 );
            MessageBox.Show( this .model);
            MessageBox.Show( this .filepath);
        }
         string  all  =   "" ;
         public   void  ShowAll( string  dir)
        {
            System.IO.DirectoryInfo di  =   new  System.IO.DirectoryInfo(dir);
             if  (di.GetFiles().Length  >   0 )
            {
                System.IO.FileInfo[] files  =  di.GetFiles();
                 for  ( int  i  =   0 ; i  <  files.Length; i ++ )
                    all  +=   " \n "   +  files[i].FullName.Trim()  +   " end\n " ;

            }
         
        }

         private   void  button3_Click( object  sender, EventArgs e)
        {
             this .folderBrowserDialog2.ShowDialog();
             this .dir  =   this .folderBrowserDialog2.SelectedPath;
             this .ShowAll(dir);

             // MessageBox.Show(GetTable("select * from titles").Rows[0]["test"].ToString());
        }

文章来源: http://www.cnblogs.com/wangdetian168/archive/2008/06/25/1229993.html