使用Jscript之代码生成工具篇

zyug 2009-09-21 11:31:43
之前是学习ASP之后才学习ASP.NET
后来人变的越来越懒,后来看到ASP.NET能用生成工具生成相应的代码.ASP可以吗?
于是有了下面的内容

现在只能生成一些简单的,如有人感兴趣...放出代码
生成的实体类代码



  function JCModels() {

        this.ID = 0;

        this.ModelName = "";

        this.CreateDate = formatDate(new Date());

        this.Url = "";

        this.keyWord = "";

        this.pagesize = 20;

        this.pageno = 1;

        this.recordscount = 0;



        this.insert = function() {

            var sql = " insert into [Models]([ModelName],[CreateDate],[Url]) values(?,?,?)";

            var connection = Server.CreateObject("adodb.connection");

            connection.ConnectionString = MDBCONNECTIONSTRING;

            connection.Open();

            var command = Server.CreateObject("adodb.command");

            command.ActiveConnection = connection;

            command.CommandText = sql;

            var par_ModelName = command.CreateParameter("ModelName", 202, 1, 50, this.ModelName);

            command.Parameters.Append(par_ModelName);

            var par_CreateDate = command.CreateParameter("CreateDate", 202, 1, 20, this.CreateDate);

            command.Parameters.Append(par_CreateDate);

            var par_Url = command.CreateParameter("Url", 202, 1, 100, this.Url);

            command.Parameters.Append(par_Url);

            command.Execute();

            connection.Close();

        }



        this.update = function() {

            var sql = "update [Models] set [ModelName]=?,[CreateDate]=?,[Url]=? where [ID] = ? ";

            var connection = Server.CreateObject("adodb.connection");

            connection.ConnectionString = MDBCONNECTIONSTRING;

            connection.Open();

            var command = Server.CreateObject("adodb.command");

            command.ActiveConnection = connection;

            command.CommandText = sql;

            var par_ModelName = command.CreateParameter("ModelName", 202, 1, 50, this.ModelName);

            command.Parameters.Append(par_ModelName);

            var par_CreateDate = command.CreateParameter("CreateDate", 202, 1, 20, this.CreateDate);

            command.Parameters.Append(par_CreateDate);

            var par_Url = command.CreateParameter("Url", 202, 1, 100, this.Url);

            command.Parameters.Append(par_Url);

            var par_ID = command.CreateParameter("ID", 3, 1, 4, this.ID);

            command.Parameters.Append(par_ID)

            command.Execute();

            connection.Close();

        }



        this.deleteentity = function() {

            var sql = "delete from [Models] where [ID] = ?";

            var connection = Server.CreateObject("adodb.connection");

            connection.ConnectionString = MDBCONNECTIONSTRING;

            connection.Open();

            var command = Server.CreateObject("adodb.command");

            command.ActiveConnection = connection;

            command.CommandText = sql;

            var par_ID = command.CreateParameter("ID", 3, 1, 4, this.ID);

            command.Parameters.Append(par_ID);

            command.Execute();

            command.CommandText = "delete from [ModelContent] where [ModelID]=?";

            //var par_ModelID = command.CreateParameter("ModelID", 3, 1, 4, this.ID);

            //command.Parameters.Append(par_ModelID);

            command.Execute();

            

            connection.Close();

        }



        this.getentity = function(entityid) {

            var sql = "select *  from [Models] where [ID] = ?";

            var connection = Server.CreateObject("adodb.connection");

            connection.ConnectionString = MDBCONNECTIONSTRING;

            connection.Open();

            var command = Server.CreateObject("adodb.command");

            command.ActiveConnection = connection;

            command.CommandText = sql;

            var par_ID = command.CreateParameter("ID", 3, 1, 4, entityid);

            command.Parameters.Append(par_ID);

            var rsEntity = command.Execute();

            if (!rsEntity.Eof) {

                this.ID = new String(rsEntity("ID")).replace(/(^[\s]*)|([\s]*$)/g, "");

                this.ModelName = new String(rsEntity("ModelName")).replace(/(^[\s]*)|([\s]*$)/g, "");

                this.CreateDate = formatDate(new Date(rsEntity("CreateDate")));

                this.Url = new String(rsEntity("Url")).replace(/(^[\s]*)|([\s]*$)/g, "");

            }

            connection.Close();

        }



        this.doQuery = function() {

            var connection = Server.CreateObject("adodb.connection");

            connection.Open(MDBCONNECTIONSTRING);

            var order = " order by  [ID] desc ";

            var condition = " where 1=1 ";

            var sql = "select top " + this.pagesize + " * from  [Models] ";

            sql += condition;

            var rsCount = connection.Execute("select count(1) from [Models] " + condition);

            this.recordscount = new Number(rsCount(0));

            if (this.pageno > 1) {

                var notIncludeCount = (this.pageno - 1) * this.pagesize;

                var notInclude = " select top " + notIncludeCount + " [ID] from [Models] " + condition + order;

                sql += " and  [ID] not in ( " + notInclude + " ) ";

            }

            sql += order;

            var rsContent = connection.Execute(sql);

            var arrayResult = new Array();

            if (rsContent.Eof) {

                ;

            }

            while (!rsContent.Eof) {

                var newentity = new JCModels();

                newentity.ID = new String(rsContent("ID")).replace(/(^[\s]*)|([\s]*$)/g, "");

                newentity.ModelName = new String(rsContent("ModelName")).replace(/(^[\s]*)|([\s]*$)/g, "");

                newentity.CreateDate = formatDate(new Date(rsContent("CreateDate")));

                newentity.Url = new String(rsContent("Url")).replace(/(^[\s]*)|([\s]*$)/g, "");

                arrayResult.push(newentity);

                rsContent.MoveNext();

            }

            connection.Close();

            return arrayResult;

        }



        function formatDate(s) {

            s = new Date(s);

            var Format = "YYYY-MM-DD hh:mm:ss";

            Format = Format.replace("YYYY", s.getYear());

            var m = s.getMonth() + 1;

            Format = Format.replace("MM", m > 9 ? m : "0" + m);

            Format = Format.replace("DD", s.getDate() > 9 ? s.getDate() : "0" + s.getDate());

            Format = Format.replace("hh", s.getHours() > 9 ? s.getHours() : "0" + s.getHours());

            Format = Format.replace("mm", s.getMinutes() > 9 ? s.getMinutes() : "0" + s.getMinutes());

            Format = Format.replace("ss", s.getSeconds() > 9 ? s.getSeconds() : "0" + s.getSeconds());

            return Format;

        }

    }



方法调用示例
增删改查





//操作增加模块

    if (Request.Form("act") == "addmodel") {

        // validateAdmin();

        var model = Request.Form("model");

        var url = Request.Form("url");

        var entity = new JCModels();

        entity.ModelName = model;

        entity.Url = url;

        entity.insert();

        Response.Write("成功添加");

        Response.End();

    }



    //更新模块

    if (Request.Form("act") == "editmodel") {

        //validateAdmin();

        var id = Request.Form("id");

        var model = Request.Form("model");

        var url = Request.Form("url");

        var entity = new JCModels();

        entity.ID = id;

        entity.ModelName = model;

        entity.Url = url;

        entity.update();

        Response.Write("成功更新");

        Response.End();

    }



    //后台管理

    if (Request.Form("act") == "showdesktop") {

        //validateAdmin();

        var t = new JCModels();

        if (Request.Form("pageno").Count > 0) {

            t.pageno = Request.Form("pageno");

        }

        var items = t.doQuery();

        var tableHTML = "";

        if (t.recordscount <= 0) {

            tableHTML = "暂时没有自定义模块";

        }

        else {

            var label = ReadFile("/templates/modelsTemplate.txt");



            var header = ReadHeader(label);

            var template = ReadTemplate(label);

            var footer = ReadFooter(label);



            tableHTML = header;

            for (var i = 0; i < items.length; i++) {

                var temp = template.replace(/[$][$]ID/g, items[i].ID)

                temp = temp.replace(/[$][$]ID/g, items[i].ID); //URL

                temp = temp.replace(/[$][$]ModelName/g, items[i].ModelName); //URL

                temp = temp.replace(/[$][$]URL/g, items[i].Url); //URL

                tableHTML += temp; //$$Ispublish

            }

            tableHTML += footer;

        }

        tableHTML += "<script>var CalledObject = new Object();CalledObject.recordscount =" + t.recordscount + ";CalledObject.keyWord='" + t.keyWord + "';CalledObject.pagesize =" + t.pagesize + ";CalledObject.pageno=" + t.pageno + "</script>"; //回调告知分页事件

        Response.Write(tableHTML);

        Response.End();

    }



    if (Request.Form("act") == "edit") {

        var t = new JCModels();

        t.getentity(Request.Form("id"));

        //json返回

        var s = "var t = {";

        for (var property in t) {

            s += "\"" + property + "\":\"" + escape(t[property]) + "\"";

            s += ",";

        }

        s += "\"Coder\":\"zyg\"";

        s += "};";

        Response.Write(s);

        Response.End();

    }

    

    //删除

    if (Request.Form("act") == "delete") {

        var t = new JCModels();

        t.ID = Request.Form("id");

        t.deleteentity();

        Response.End();

    }



由于doQuery事件中使用了正序排倒序排再分页,使用参数查询有一定难度.故没有使用参数查询,不知有何解决方案.
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feiyue86 2009-09-21
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凡夫与俗子 2009-09-21
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顶个。
zyug 2009-09-21
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工具是用vc写的.判断字段类型生成相应的代码.


CString s;

	s = _T("\tfunction JC")+tb.tableName+_T("()\n");

	s += _T("\t{\n");

	//生成字段

	//s += _T("\t\t//定义字段\n");

	for(int i = 0 ; i < tb.fieldsCount ; i ++ )

	{



		s += _T("\t\tthis.")+tb.fields[i].fieldName+_T(" = ")+ GetDefaultByType(tb.fields[i].nType)+_T(";\n");

	}

	//给值函数

	//生成查询所需



	//s += _T("\t\t//初始化查询及分页数据\n");

	s += _T("\t\tthis.keyWord = \"\";\n");

	s += _T("\t\tthis.pagesize = 20;\n" );

	s += _T("\t\tthis.pageno = 1;\n");

	s += _T("\t\tthis.recordscount = 0;\n");

	//s += _T("\t\t//方法体定义\n");

	//生成函数

	//insert函数



	s += _T("\t\tthis.insert = function()\n");

	s += _T("\t\t{\n");

	//构造插入的SQL语句

	s += _T("\t\t\tvar sql =\" insert into [") + tb.tableName;

	s += _T("](");

	for(int i = 0 ; i < tb.fieldsCount ; i ++ )

	{

		s += _T("[");

		s += tb.fields[i].fieldName;

		s += _T("]");

		if( i < (tb.fieldsCount-1 ))s += _T(",");

	}

	s += _T(") values(");

	for(int i = 0 ; i < tb.fieldsCount ; i ++ )

	{



		s += "?";

		if( i < (tb.fieldsCount-1 ))s += _T(",");

	}

	s += _T(")\";\n");

	//构造Connection

	s += _T("\t\t\tvar connection = Server.CreateObject(\"adodb.connection\");\n\t\t\tconnection.ConnectionString = MDBCONNECTIONSTRING;\n\t\t\tconnection.Open();\n");

	//构造Command

	s += _T("\t\t\tvar command = Server.CreateObject(\"adodb.command\");\n");

	//指定Command属性

	s += _T("\t\t\tcommand.ActiveConnection = connection;\n\t\t\tcommand.CommandText =sql;\n ");

	//构造参数

	for(int i = 0 ; i < tb.fieldsCount ; i ++ )

	{

		CString snType;

		snType.Format(_T("%d"),tb.fields[i].nType);

		CString snSize;

		snSize.Format(_T("%d"),tb.fields[i].nSize);

		//将日期默认做字符串处理

		if (snType == _T("7"))

		{

			snType = _T("202");

			snSize = _T("20");

		}

		s += _T("\t\t\tvar par_")+tb.fields[i].fieldName +_T(" = command.CreateParameter(\"")+tb.fields[i].fieldName+_T("\",")+snType+_T(",1,")+snSize+_T(",this.")+tb.fields[i].fieldName+_T(");\n");

		s += _T("\t\t\tcommand.Parameters.Append(par_")+tb.fields[i].fieldName+_T(");\n");

	}

	s += _T("\t\t\tcommand.Execute();\n\t\t\tconnection.Close();\n");

	s += _T("\t\t}\n");



	//生成update函数

	s += _T("\t\tthis.update = function()\n");

	s += _T("\t\t{\n");

	s += _T("\t\t\tvar sql = \"update [")+ tb.tableName +_T("] set ");;

	for(int i = 1 ; i < tb.fieldsCount ; i ++ )

	{

		s += _T("[");

		s += tb.fields[i].fieldName;

		s += _T("]=");

		s += "?";

		if( i < (tb.fieldsCount-1 ))s += _T(",");

	}

	s += _T(" where [")+ tb.fields[0].fieldName+ _T("] = ? \";\n");

	//构造Connection

	s += _T("\t\t\tvar connection = Server.CreateObject(\"adodb.connection\");\n\t\t\tconnection.ConnectionString = MDBCONNECTIONSTRING;\n\t\t\tconnection.Open();\n");

	//构造Command

	s += _T("\t\t\tvar command = Server.CreateObject(\"adodb.command\");\n");

	//指定Command属性

	s += _T("\t\t\tcommand.ActiveConnection = connection;\n\t\t\tcommand.CommandText =sql;\n ");

	//构造参数

	for(int i = 1 ; i < tb.fieldsCount ; i ++ )

	{

		CString snType;

		snType.Format(_T("%d"),tb.fields[i].nType);

		CString snSize;

		snSize.Format(_T("%d"),tb.fields[i].nSize);

		if (snType == _T("7"))

		{

			snType = _T("202");

			snSize = _T("20");

		}



		s += _T("\t\t\tvar par_")+tb.fields[i].fieldName +_T(" = command.CreateParameter(\"")+tb.fields[i].fieldName+_T("\",")+snType+_T(",1,")+snSize+_T(",this.")+tb.fields[i].fieldName+_T(");\n");

		s += _T("\t\t\tcommand.Parameters.Append(par_")+tb.fields[i].fieldName+_T(");\n");



	}

	s += _T("\t\t\tvar par_")+tb.fields[0].fieldName +_T(" = command.CreateParameter(\"")+tb.fields[0].fieldName+_T("\",3,1,4,this.")+tb.fields[0].fieldName+_T(");\n");

	s += _T("\t\t\tcommand.Parameters.Append(par_")+tb.fields[0].fieldName+_T(")\n");



	s += _T("\t\t\tcommand.Execute();\n\t\t\tconnection.Close();\n");

	s += _T("\t\t}\n");



	//生成删除语句

	s += _T("\t\tthis.deleteentity = function()\n");

	s += _T("\t\t{\n");

	s += _T("\t\t\tvar sql = \"delete from [")+tb.tableName+_T("] where [")+tb.fields[0].fieldName+_T("] = ?\";\n");

	s += _T("\t\t\tvar connection = Server.CreateObject(\"adodb.connection\");\n\t\t\tconnection.ConnectionString = MDBCONNECTIONSTRING;\n\t\t\tconnection.Open();\n");

	s += _T("\t\t\tvar command = Server.CreateObject(\"adodb.command\");\n");

	s += _T("\t\t\tcommand.ActiveConnection = connection;\n\t\t\tcommand.CommandText =sql;\n ");

	int i = 0;

	CString snType;

	snType.Format(_T("%d"),tb.fields[i].nType);

	CString snSize;

	snSize.Format(_T("%d"),tb.fields[i].nSize);





	s += _T("\t\t\tvar par_")+tb.fields[i].fieldName +_T(" = command.CreateParameter(\"")+tb.fields[i].fieldName+_T("\",")+snType+_T(",1,")+snSize+_T(",this.")+tb.fields[i].fieldName+_T(");\n");

	s += _T("\t\t\tcommand.Parameters.Append(par_")+tb.fields[i].fieldName+_T(");\n");



	s += _T("\t\t\tcommand.Execute();\n\t\t\tconnection.Close();\n");

	s += _T("\t\t}\n");







	//







	//生成得到语句



	s += _T("\t\tthis.getentity = function(entityid)\n");

	s += _T("\t\t{\n");

	s += _T("\t\t\tvar sql = \"select *  from [")+tb.tableName+_T("] where [")+tb.fields[0].fieldName+_T("] = ?\";\n");

	s += _T("\t\t\tvar connection = Server.CreateObject(\"adodb.connection\");\n\t\t\tconnection.ConnectionString = MDBCONNECTIONSTRING;\n\t\t\tconnection.Open();\n");

	s += _T("\t\t\tvar command = Server.CreateObject(\"adodb.command\");\n");

	s += _T("\t\t\tcommand.ActiveConnection = connection;\n\t\t\tcommand.CommandText =sql;\n ");

	i = 0;

	//CString snType;

	snType.Format(_T("%d"),tb.fields[i].nType);

	//CString snSize;

	snSize.Format(_T("%d"),tb.fields[i].nSize);



	s += _T("\t\t\tvar par_")+tb.fields[i].fieldName +_T(" = command.CreateParameter(\"")+tb.fields[i].fieldName+_T("\",")+snType+_T(",1,")+snSize+_T(",entityid);\n");

	s += _T("\t\t\tcommand.Parameters.Append(par_")+tb.fields[i].fieldName+_T(");\n");



	s += _T("\t\t\tvar rsEntity = command.Execute();\n");

	s += _T("\t\t\tif(!rsEntity.Eof){\n");

	for(i = 0 ; i < tb.fieldsCount ; i ++ )

	{

		if(tb.fields[i].nType != 7)

		{

			s += _T("\t\t\t\tthis.")+tb.fields[i].fieldName+_T(" = new String(rsEntity(\"")+tb.fields[i].fieldName +_T("\")).replace(/(^[\\s]*)|([\\s]*$)/g,\"\");\n");

		}

		else

		{

			s+=_T("\t\t\t\tthis.")+tb.fields[i].fieldName+_T(" =  formatDate (new Date(rsEntity(\"")+tb.fields[i].fieldName +_T("\")));\n");

		}

	}

	s += _T("\t\t\t}\n");

	s += _T("\t\t\tconnection.Close();\n");

	s += _T("\t\t}\n");



	i = 0;

	//生成查询列表语句

	s += _T("\t\tthis.doQuery = function(){\n");

	s += _T("\t\t\tvar connection = Server.CreateObject(\"adodb.connection\");\n");

	s += _T("\t\t\tconnection.Open(MDBCONNECTIONSTRING);\n");

	s += _T("\t\t\tvar order = \" order by  [");

	s += tb.fields[i].fieldName;

	//s += _T("\t\t\tcommand.Parameters.Append(par_")+tb.fields[i].fieldName+_T(");\n");



	s += _T("] desc \";\n");

	s += _T("\t\t\tvar condition = \" where 1=1 \" ;\n");

	//s += _T("condition += \" and  (  [subject] like  '%\"+this.keyWord+\"%'  or [contract_job] like  '%\"+this.keyWord+\"%' or  Exhibition_date like  '%\"+this.keyWord+\"%'  )\";\n");

	//custom condition here 



	s += _T("\t\t\tvar sql = \"select top \" +  this.pagesize + \" * from  [")+ tb.tableName +_T("] \";\n\t\t\tsql += condition ;\n");

	s += _T("\t\t\tvar rsCount = connection.Execute(\"select count(1) from [")+ tb.tableName +_T("] \"+condition);\n");

	s += _T("\t\t\tthis.recordscount = new Number(rsCount(0));\n");

	s += _T("\t\t\tif( this.pageno >1 )\n\t\t\t{\n\t\t\tvar notIncludeCount = (this.pageno -1 ) * this.pagesize;\n\t\t\tvar notInclude = \" select top \"+  notIncludeCount + \" [")+ tb.fields[i].fieldName +_T("] from [")+ tb.tableName +_T("] \"+ condition + order;\n");

	s += _T("\t\t\tsql += \" and  [")+ tb.fields[i].fieldName +_T("] not in ( \" + notInclude + \" ) \" ;\n\t\t\t}\n\t\t\tsql += order;\n");

	s += _T("\t\t\t var rsContent = connection.Execute(sql);\n\t\t\tvar arrayResult = new Array();\n");

	s += _T("\t\t\tif(rsContent.Eof)\n\t\t\t{\n\t\t\t  ;\n\t\t\t}\n");

	s += _T("\t\t\twhile(!rsContent.Eof){\n");

	s += _T("\t\t\t\tvar newentity = new JC")+tb.tableName+_T("();\n");

	for(i = 0 ; i < tb.fieldsCount ; i ++ )

	{

		if(tb.fields[i].nType != 7)

		{

			s += _T("\t\t\t\tnewentity.")+tb.fields[i].fieldName+_T(" = new String(rsContent(\"")+tb.fields[i].fieldName +_T("\")).replace(/(^[\\s]*)|([\\s]*$)/g,\"\");\n");

		}

		else

		{

			s+=_T("\t\t\t\tnewentity.")+tb.fields[i].fieldName+_T(" =  formatDate (new Date(rsContent(\"")+tb.fields[i].fieldName +_T("\")));\n");

		}

	}

	s += _T("\t\t\t\tarrayResult.push(newentity);\n\t\t\trsContent.MoveNext();\n\t\t\t}\n\t\t\tconnection.Close();\n\t\t\treturn arrayResult;\n\t\t}\n");



	//日期处理函数

	s += _T("\t\tfunction formatDate(s)\n\t\t{\n");

	s += _T("\t\t\ts = new Date(s);\n");

	s += _T("\t\t\tvar Format = \"YYYY-MM-DD hh:mm:ss\";\n");

	s += _T("\t\t\tFormat = Format.replace(\"YYYY\",s.getYear());\n");

	s += _T("\t\t\tvar m = s.getMonth() + 1;\n");

	s += _T("\t\t\tFormat = Format.replace(\"MM\", m > 9 ? m: \"0\" + m);\n");

	s += _T("\t\t\tFormat = Format.replace(\"DD\",s.getDate() > 9 ? s.getDate(): \"0\" + s.getDate());\n");

	s += _T("\t\t\tFormat = Format.replace(\"hh\",s.getHours() > 9 ? s.getHours(): \"0\" + s.getHours());\n");

	s += _T("\t\t\tFormat = Format.replace(\"mm\",s.getMinutes() > 9 ? s.getMinutes(): \"0\" + s.getMinutes());\n");

	s += _T("\t\t\tFormat = Format.replace(\"ss\",s.getSeconds() > 9 ? s.getSeconds(): \"0\" + s.getSeconds());\n");

	s += _T("\t\t\treturn Format;\n");

	s+= _T("\t\t}\n");



	//end of class

	s += _T("\t}\n");

	//AfxMessageBox(s);



	return s;
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