用ASP.NET写你自己的代码生成器-优快云博客

用ASP.NET写你自己的代码生成器

作者：来源：
阅读数 205 人次 , 2006-3-29 4:33:00

最近写实体类集合类控制类什么的太“类”了，因此就花了点时间写了个代码生成器，与大家共享！

frmmain.aspx

<%@ page language="c#" codebehind="frmmain.aspx.cs" autoeventwireup="false" inherits="web_test.frmmain" %>
<!doctype html public "-//w3c//dtd html 4.0 transitional//en" >
<html>
<head>
<title>frmmain</title>
<meta name="generator" content="microsoft visual studio 7.0">
<meta name="code_language" content="c#">
<meta name="vs_defaultclientscript" content="javascript">
<meta name="vs_targetschema" content="http://schemas.microsoft.com/intellisense/ie5">
</head>
<body ms_positioning="gridlayout">
<form id="frmmain" method="post" runat="server">
<asp:textbox id="txtservername" style="z-index: 101; left: 116px; position: absolute; top: 24px; design_time_lock: true" runat="server" font-size="10pt" design_time_lock="true">192.168.0.220</asp:textbox>
<asp:label id="label7" style="z-index: 112; left: 24px; position: absolute; top: 98px; design_time_lock: true" runat="server" width="79px" height="20px" font-size="10pt" design_time_lock="true">数据库列表</asp:label>
<asp:label id="label6" style="z-index: 111; left: 27px; position: absolute; top: 169px; design_time_lock: true" runat="server" width="53px" height="20px" font-size="10pt" design_time_lock="true" visible="false">字段名</asp:label>
<asp:label id="label5" style="z-index: 109; left: 27px; position: absolute; top: 135px; design_time_lock: true" runat="server" width="53px" height="20px" font-size="10pt" design_time_lock="true">表名</asp:label>
<asp:button id="button1" style="z-index: 107; left: 496px; position: absolute; top: 91px; design_time_lock: true" runat="server" width="102px" text="gettable" font-size="10pt" design_time_lock="true"></asp:button>
<asp:label id="label4" style="z-index: 106; left: 288px; position: absolute; top: 63px; design_time_lock: true" runat="server" width="79px" height="20px" font-size="10pt" design_time_lock="true">密码</asp:label>
<asp:label id="label2" style="z-index: 105; left: 25px; position: absolute; top: 61px; design_time_lock: true" runat="server" width="79px" height="20px" font-size="10pt" design_time_lock="true">用户名</asp:label>
<asp:label id="label1" style="z-index: 104; left: 25px; position: absolute; top: 28px; design_time_lock: true" runat="server" width="79px" height="20px" font-size="10pt" design_time_lock="true">服务器名</asp:label>
<asp:textbox id="txtpassword" style="z-index: 103; left: 376px; position: absolute; top: 60px; design_time_lock: true" runat="server" font-size="10pt" backcolor="transparent" forecolor="black" bordercolor="white" design_time_lock="true"></asp:textbox>
<asp:textbox id="txtusername" style="z-index: 102; left: 116px; position: absolute; top: 62px; design_time_lock: true" runat="server" font-size="10pt" design_time_lock="true">sa</asp:textbox>
<asp:dropdownlist id="dropdownlist1" style="z-index: 108; left: 115px; position: absolute; top: 135px; design_time_lock: true" runat="server" width="208px" autopostback="true" font-size="10pt" design_time_lock="true"></asp:dropdownlist>
<asp:dropdownlist id="dropdownlist2" style="z-index: 110; left: 115px; position: absolute; top: 171px; design_time_lock: true" runat="server" width="208px" height="28px" font-size="10pt" design_time_lock="true" visible="false"></asp:dropdownlist>
<asp:button id="button2" style="z-index: 113; left: 355px; position: absolute; top: 92px; design_time_lock: true" runat="server" width="107px" text="getdatabase" design_time_lock="true"></asp:button>
<asp:dropdownlist id="dropdownlist3" style="z-index: 114; left: 115px; position: absolute; top: 98px; design_time_lock: true" runat="server" width="207px" height="25px" design_time_lock="true"></asp:dropdownlist>
<asp:button id="button3" style="z-index: 115; left: 354px; position: absolute; top: 132px; design_time_lock: true" runat="server" width="110px" text="生成" design_time_lock="true" visible="false"></asp:button>
<asp:textbox id="txtlayout" style="z-index: 117; left: 26px; position: absolute; top: 206px; design_time_lock: true" runat="server" width="619px" height="367px" textmode="multiline" backcolor="ivory" design_time_lock="true"></asp:textbox>
<asp:button id="button4" style="z-index: 118; left: 497px; position: absolute; top: 130px; design_time_lock: true" runat="server" height="25px" width="105px" text="实体类" design_time_lock="true"></asp:button>
<asp:button id="button5" style="z-index: 119; left: 355px; position: absolute; top: 171px; design_time_lock: true" runat="server" width="107px" text="test" height="25px" design_time_lock="true" visible="false"></asp:button>
<asp:button id="button6" style="z-index: 120; left: 499px; position: absolute; top: 171px; design_time_lock: true" runat="server" height="23px" width="105px" text="集合类" design_time_lock="true" visible="false"></asp:button>
</form>
</body>
</html>
frmmain.aspx.cs

using system;
using system.collections;
using system.componentmodel;
using system.data;
using system.data.sqlclient;
using system.drawing;
using system.web;
using system.web.sessionstate;
using system.web.ui;
using system.web.ui.webcontrols;
using system.web.ui.htmlcontrols;

namespace web_test
{
/// <summary>
/// 作者：davi
/// 日期：3003-03-18
/// </summary>
public class frmmain : system.web.ui.page
{
protected system.web.ui.webcontrols.label label1;
protected system.web.ui.webcontrols.label label2;
protected system.web.ui.webcontrols.label label4;
protected system.web.ui.webcontrols.dropdownlist dropdownlist1;
protected system.web.ui.webcontrols.label label5;
protected system.web.ui.webcontrols.textbox txtservername;
protected system.web.ui.webcontrols.textbox txtusername;
protected system.web.ui.webcontrols.textbox txtpassword;
protected system.web.ui.webcontrols.button button1;
protected system.web.ui.webcontrols.dropdownlist dropdownlist2;
protected system.web.ui.webcontrols.label label6;
protected system.web.ui.webcontrols.label label7;
protected system.web.ui.webcontrols.button button2;
protected system.web.ui.webcontrols.dropdownlist dropdownlist3;
protected system.web.ui.webcontrols.button button3;
protected system.web.ui.webcontrols.textbox txtlayout;
protected system.web.ui.webcontrols.button button4;
protected system.web.ui.webcontrols.button button5;
protected system.web.ui.webcontrols.button button6;
private sqlconnection m_scon;
private dataset m_ds;

private void page_load(object sender, system.eventargs e)
{
m_scon = new sqlconnection();
m_ds = new dataset();
}

#region web form designer generated code
//[stathreadattribute]
override protected void oninit(eventargs e)
{
//
// codegen：该调用是 asp.net web 窗体设计器所必需的。
//
initializecomponent();
base.oninit(e);
}

/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void initializecomponent()
{
this.button1.click += new system.eventhandler(this.button1_click);
this.dropdownlist1.selectedindexchanged += new system.eventhandler(this.dropdownlist1_selectedindexchanged);
this.button2.click += new system.eventhandler(this.button2_click);
this.button3.click += new system.eventhandler(this.button3_click);
this.button4.click += new system.eventhandler(this.button4_click);
this.button5.click += new system.eventhandler(this.button5_click);
this.button6.click += new system.eventhandler(this.button6_click);
this.load += new system.eventhandler(this.page_load);

}
#endregion

#region 显示数据库的表 button1_click
/// <summary>
/// 显示数据库的表
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_click(object sender, system.eventargs e)
{
try
{
m_scon.connectionstring = "user id="+this.txtusername.text+
";password="+this.txtpassword.text+
";initial catalog="+this.dropdownlist3.selecteditem.text+
";data source="+this.txtservername.text;
sqlcommand m_scmd = new sqlcommand("sp_tables",m_scon);
m_scmd.commandtype = commandtype.storedprocedure;
sqlparameter myparm = m_scmd.parameters.add("@table_type",sqldbtype.varchar,100);
myparm.value = "'table'";
m_scon.open();
sqldatareader m_sdr = m_scmd.executereader();
this.dropdownlist1.items.clear();
while(m_sdr.read())
{
if(m_sdr["table_name"].tostring()!="dtproperties")
{
listitem m_li = new listitem();
m_li.text = m_sdr["table_name"].tostring();
m_li.value = m_sdr["table_name"].tostring();
this.dropdownlist1.items.add(m_li);
}
}
m_sdr.close();
m_scon.close();
}
catch
{
if(m_scon.state.tostring().toupper()=="open")
{
m_scon.close();
}
}
}

#endregion

#region show columns in a table dropdownlist1_selectedindexchanged
/// <summary>
/// 显示表的所有列
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dropdownlist1_selectedindexchanged(object sender, system.eventargs e)
{
try
{
if(this.dropdownlist1.selectedindex!=-1)
{
m_scon.connectionstring = "user id="+this.txtusername.text+
";password="+this.txtpassword.text+
";initial catalog="+this.dropdownlist3.selecteditem.text+
";data source="+this.txtservername.text;
sqlcommand m_scmd = new sqlcommand("sp_columns",m_scon);
m_scmd.commandtype = commandtype.storedprocedure;
sqlparameter myparm = m_scmd.parameters.add("@table_name",sqldbtype.varchar,100);
myparm.value = this.dropdownlist1.selecteditem.value;
m_scon.open();
sqldatareader m_sdr = m_scmd.executereader();
this.dropdownlist2.items.clear();
while(m_sdr.read())
{
listitem m_li = new listitem();
m_li.text = m_sdr["column_name"].tostring();
m_li.value = m_sdr["column_name"].tostring();
this.dropdownlist2.items.add(m_li);
}
m_sdr.close();
m_scon.close();
}
}
catch
{
if(m_scon.state.tostring().toupper()=="open")
{
m_scon.close();
}
}
}

#endregion

#region show all database button2_click
/// <summary>
/// 显示所有数据库
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_click(object sender, system.eventargs e)
{
try
{
m_scon.connectionstring = "user id="+this.txtusername.text+
";password="+this.txtpassword.text+
";data source="+this.txtservername.text;
sqlcommand m_scmd = new sqlcommand("sp_databases",m_scon);
m_scmd.commandtype = commandtype.storedprocedure;
m_scon.open();
sqldatareader m_sdr = m_scmd.executereader();
this.dropdownlist1.items.clear();
while(m_sdr.read())
{
listitem m_li = new listitem();
m_li.text = m_sdr["database_name"].tostring();
m_li.value = m_sdr["database_name"].tostring();
this.dropdownlist3.items.add(m_li);
}
m_sdr.close();
m_scon.close();
}
catch
{
if(m_scon.state.tostring().toupper()=="open")
{
m_scon.close();
}
}
}

#endregion
#region make form
/// <summary>
/// 生成表单项
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button3_click(object sender, system.eventargs e)
{
if(this.dropdownlist1.selectedindex!=-1)
{
m_scon.connectionstring = "user id="+this.txtusername.text+
";password="+this.txtpassword.text+
";initial catalog="+this.dropdownlist3.selecteditem.text+
";data source="+this.txtservername.text;
sqlcommand m_scmd = new sqlcommand("sp_columns",m_scon);
m_scmd.commandtype = commandtype.storedprocedure;
sqlparameter myparm = m_scmd.parameters.add("@table_name",sqldbtype.varchar,100);
myparm.value = this.dropdownlist1.selecteditem.value;
m_scon.open();
sqldatareader m_sdr = m_scmd.executereader();
string colname = "";
string coltype = "";
while(m_sdr.read())
{
colname = m_sdr["column_name"].tostring();
coltype = m_sdr["type_name"].tostring();
}
m_sdr.close();
m_scon.close();
}
}
#endregion

#region make object
/// <summary>
/// 生成实体
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button4_click(object sender, system.eventargs e)
{
if(this.dropdownlist1.selectedindex!=-1)
{
m_scon.connectionstring = "user id="+this.txtusername.text+
";password="+this.txtpassword.text+
";initial catalog="+this.dropdownlist3.selecteditem.text+
";data source="+this.txtservername.text;
sqlcommand m_scmd = new sqlcommand("sp_columns",m_scon);
m_scmd.commandtype = commandtype.storedprocedure;
sqlparameter myparm = m_scmd.parameters.add("@table_name",sqldbtype.varchar,100);
myparm.value = this.dropdownlist1.selecteditem.value;
m_scon.open();
sqldatareader m_sdr = m_scmd.executereader();
string tablename = this.dropdownlist1.selecteditem.value;
string m_layout = "";

m_layout = m_layout + "using system;/r/n";
m_layout = m_layout + "using system.data;/r/n" ;
m_layout = m_layout + "using system.data.sqlclient;/r/n";
m_layout = m_layout + "/r/n";
m_layout = m_layout + "namespace oceansoft/r/n";
m_layout = m_layout + "{/r/n";

m_layout = m_layout + bl(4) + "///<comment>/r/n";
m_layout = m_layout + bl(4) + "////r/n";
m_layout = m_layout + bl(4) + "///</comment>/r/n";

string colname = ""; //列名
string coltype = ""; //列的数据类型
string coldefine = ""; //列定义
string colproperty = ""; //列属性
while(m_sdr.read())
{
colname = m_sdr["column_name"].tostring();
coltype = gt(m_sdr["type_name"].tostring());

coldefine = coldefine + bl(8) + "private " + coltype + " m_" + colname + ";/r/n";

colproperty = colproperty + bl(8) + "/r/n";
colproperty = colproperty + bl(8) + "public " + coltype + " " + colname + "/r/n";
colproperty = colproperty + bl(8) + "{/r/n";
colproperty = colproperty + bl(12) + "get/r/n";
colproperty = colproperty + bl(12) + "{/r/n";
colproperty = colproperty + bl(16) + "return m_" + colname + " ;/r/n";
colproperty = colproperty + bl(12) + "}/r/n";
colproperty = colproperty + bl(12) + "set/r/n";
colproperty = colproperty + bl(12) + "{/r/n";
colproperty = colproperty + bl(16) + "m_" + colname + " = value ;/r/n";
colproperty = colproperty + bl(12) + "}/r/n";
colproperty = colproperty + bl(8) + "}/r/n";

}
m_sdr.close();
m_scon.close();

m_layout = m_layout + bl(4) + "public class " + tablename + "/r/n";
m_layout = m_layout + bl(4) + "{/r/n";

m_layout = m_layout + bl(4) + "/r/n";
m_layout = m_layout + coldefine; //定义

m_layout = m_layout + bl(8) + "///<summary>/r/n";
m_layout = m_layout + bl(8) + "///构造函数/r/n";
m_layout = m_layout + bl(8) + "///<summary>/r/n";
m_layout = m_layout + bl(8) + "public " + tablename + "()/r/n"; //构造函数
m_layout = m_layout + bl(8) + "{/r/n";
m_layout = m_layout + bl(8) + "}/r/n/r/n";

m_layout = m_layout + bl(8) + "///<summary>/r/n";
m_layout = m_layout + bl(8) + "///析构函数/r/n";
m_layout = m_layout + bl(8) + "///<summary>/r/n";
m_layout = m_layout + bl(8) + "~" + tablename + "()/r/n"; //析构函数
m_layout = m_layout + bl(8) + "{/r/n";
m_layout = m_layout + bl(8) + "}/r/n";

m_layout = m_layout + colproperty; //实体属性

m_layout = m_layout + bl(4) + "}/r/n";

m_layout = m_layout + "}/r/n";

this.txtlayout.text = m_layout;
}
}
#endregion

#region test
private void button5_click(object sender, system.eventargs e)
{
//
}
#endregion

#region functions
private string bl(int values)
{
switch(values)
{
case 4:
return "/t";
case 8:
return "/t/t";
case 12:
return "/t/t/t";
case 16:
return "/t/t/t/t";
case 20:
return "/t/t/t/t/t";
}
return "";
}

private string gt(string values)
{
switch(values.toupper())
{
case "int":
return "int";
case "nvarchar":
return "string";
case "tinyint":
return "int";
case "int identity":
return "int";
case "bit":
return "int";
case "uniqueidentifier":
return "string";
case "datetime":
return "string";
case "varchar":
return "string";
default:
return "string";
}
}
#endregion

#region make object collection class
private void button6_click(object sender, system.eventargs e)
{
if(this.dropdownlist1.selectedindex!=-1)
{
string tablename = this.dropdownlist1.selecteditem.value;
string m_layout = "";

m_layout = m_layout + "using system;/r/n";
m_layout = m_layout + "using system.data;/r/n" ;
m_layout = m_layout + "using system.data.sqlclient;/r/n";
m_layout = m_layout + "using system.collections;/r/n";
m_layout = m_layout + "/r/n";

m_layout = m_layout + "namespace e3.pantheon.workflow.structure/r/n";
m_layout = m_layout + "{/r/n";

m_layout = m_layout + bl(4) + "///<comment>/r/n";
m_layout = m_layout + bl(4) + "///公司名称：苏州中软公司/r/n";
m_layout = m_layout + bl(4) + "///作者：/r/n";
m_layout = m_layout + bl(4) + "///创建日期："+system.datetime.now.toshortdatestring()+"/r/n";
m_layout = m_layout + bl(4) + "///用途说明：/r/n";
m_layout = m_layout + bl(4) + "///修改记录：/r/n";
m_layout = m_layout + bl(4) + "///</comment>/r/n";

m_layout = m_layout + bl(4) + "public class " + tablename + "s : system.collections.collectionbase/r/n";
m_layout = m_layout + bl(4) + "{/r/n";

m_layout = m_layout + bl(8) + "///<summary>/r/n";
m_layout = m_layout + bl(8) + "///构造函数/r/n";
m_layout = m_layout + bl(8) + "///<summary>/r/n";
m_layout = m_layout + bl(8) + "public " + tablename + "s()/r/n"; //构造函数
m_layout = m_layout + bl(8) + "{/r/n";
m_layout = m_layout + bl(12) + "//todo:在这里增加构造函数逻辑/r/n";
m_layout = m_layout + bl(8) + "}/r/n/r/n";

m_layout = m_layout + bl(8) + "///<summary>/r/n";
m_layout = m_layout + bl(8) + "///析构函数/r/n";
m_layout = m_layout + bl(8) + "///<summary>/r/n";
m_layout = m_layout + bl(8) + "~" + tablename + "s()/r/n"; //析构函数
m_layout = m_layout + bl(8) + "{/r/n";
m_layout = m_layout + bl(12) + "//todo:在这里增加析构函数逻辑/r/n";
m_layout = m_layout + bl(8) + "}/r/n/r/n";

m_layout = m_layout + bl(8) + "public void remove(int index)/r/n"; //删除
m_layout = m_layout + bl(8) + "{/r/n";
m_layout = m_layout + bl(12) + "if(index>counter-1||counter<0)/r/n";
m_layout = m_layout + bl(12) + "{}/r/n";
m_layout = m_layout + bl(12) + "else/r/n";
m_layout = m_layout + bl(12) + "{/r/n";
m_layout = m_layout + bl(16) + "list.removeat(index);/r/n";
m_layout = m_layout + bl(12) + "}/r/n";
m_layout = m_layout + bl(8) + "}/r/n/r/n";

m_layout = m_layout + bl(8) + "public void add("+tablename+" m_"+tablename+")/r/n"; //增加
m_layout = m_layout + bl(8) + "{/r/n";
m_layout = m_layout + bl(12) + "list.add("+" m_"+tablename+");/r/n";
m_layout = m_layout + bl(8) + "}/r/n/r/n";

m_layout = m_layout + bl(8) + "public "+tablename+" this[int index]/r/n"; //集合的元素
m_layout = m_layout + bl(8) + "{/r/n";

m_layout = m_layout + bl(12) + "get/r/n";
m_layout = m_layout + bl(12) + "{/r/n";
m_layout = m_layout + bl(16) + "if(index <list.count)/r/n";
m_layout = m_layout + bl(16) + "{/r/n";
m_layout = m_layout + bl(20) + "return ("+tablename+")list[index];/r/n";
m_layout = m_layout + bl(16) + "}/r/n";
m_layout = m_layout + bl(16) + "else/r/n";
m_layout = m_layout + bl(16) + "{/r/n";
m_layout = m_layout + bl(16) + "return null;/r/n";
m_layout = m_layout + bl(16) + "}/r/n";
m_layout = m_layout + bl(12) + "}/r/n";

m_layout = m_layout + bl(12) + "set/r/n";
m_layout = m_layout + bl(12) + "{/r/n";
m_layout = m_layout + bl(16) + "if(iindex<list.count)/r/n";
m_layout = m_layout + bl(16) + "{/r/n";
m_layout = m_layout + bl(20) + "list[index]=value;/r/n";
m_layout = m_layout + bl(16) + "}/r/n";
m_layout = m_layout + bl(12) + "}/r/n";

m_layout = m_layout + bl(8) + "}/r/n";

m_layout = m_layout + bl(4) + "}/r/n"; //class

m_layout = m_layout + "}/r/n"; //namespace

this.txtlayout.text = m_layout;
}
}
#endregion