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  • C#分析数据库结构,使用XSL模板自动生成代码

    看过一些自动生成"笨"代码的工具,小弟也自己做了一个,使用C#分析数据库结构,并使用XSL来 生成关于数据库表结构的代码,只需修改配置文件dbxmlcfg.xml中OLEDB数据库连接字符串就可 更新数据库连接属性,XSL高手还可以自己来编制代码生成模块, 模板文件为temp_模板名.xsl。 下图为用户界面


    ####################### index.htm   ##################################
    <html>
        <head>
            <TITLE>分析数据库结构,自动生成代码</TITLE>
            <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
        </head>
        <frameset cols="237,767" rows="*">
            <frame src="dbxml.aspx">
            <frame name="code" src="about:blank">
        </frameset>
    </html>
    ########################### dbxml.aspx 文件内容,该文件没有C#代码文件 #############
    <script language="C#" runat="server">
        System.Xml.XmlDocument myCfgXML = new System.Xml.XmlDocument();
        // 获得系统配置字符串
        string GetAppConfig(string strKey)
        {
            System.Xml.XmlElement cfgElement myCfgXML.SelectSingleNode ("//setting[@key='" + strKey + "']" )
                as System.Xml.XmlElement ;
            if( cfgElement == null )
                return "";
            else
                return cfgElement.InnerText ;
        }
       
        // 判断字符串是否是空白字符串
        bool isBlankString(string strText )
        {
            if(strText != null)
            {
                int iCount;
                for(iCount=0;iCount<strText.Length ;iCount++)
                {
                    if(System.Char.IsWhiteSpace ( strText[iCount])==false)
                        return false;
                }
            }
            return true;
        }
        void Page_Load(Object sender, EventArgs e)
        {
            // 加载系统配置文件
            myCfgXML.Load(this.MapPath(".") + "\\dbxmlcfg.xml");
            string strType    = this.Request["type"];
            string strXSL    = "main.xml";
           
            if(strType == null)
                strType = "querytable";
            System.Xml.XmlDocument myDoc = new System.Xml.XmlDocument();
            myDoc.LoadXml("<dbxml />");
            string strConnection = GetAppConfig("conndbxml");
            System.Text.Encoding myEncode = System.Text.Encoding.GetEncoding(936);
                               
            if(isBlankString(strConnection)==false)
            {
                using(System.Data.OleDb.OleDbConnection myConn = new System.Data.OleDb.OleDbConnection(strConnection))
                {
                    myConn.Open();
                    if(myConn.State == System.Data.ConnectionState.Open )
                    {
                        string strSQL = GetAppConfig(strType + "_" + myConn.Provider);
                        if(isBlankString(strSQL)==false)
                        {
                            using(System.Data.OleDb.OleDbCommand myCmd = myConn.CreateCommand())
                            {
                                string strTableName = null;
                                if(strType.Equals("queryfield"))
                                {
                                    // 修正SQL语句
                                    string strTableList = this.Request.Form["tablelist"];
                                    string []strTables = strTableList.Split(",".ToCharArray());
                                    strXSL = System.Web.HttpUtility.UrlPathEncode(this.Request.Form["template"] ) + ".xml";
                                    strTableList = null;
                                    for(int iCount = 0 ; iCount < strTables.Length ; iCount ++ )
                                    {
                                        if(isBlankString(strTables[iCount])==false)
                                        {
                                            if(strTableList == null)
                                                strTableList = "'" + strTables[iCount] + "'";
                                            else
                                                strTableList = strTableList + ",'" + strTables[iCount] + "'";
                                        }
                                    }
                                    strSQL = strSQL.Replace("#tablelist", strTableList);
                                    myCmd.CommandText                    = strSQL ;
                                    string strLastTableName                = null;
                                    string strFieldName                    = null;
                                    System.Xml.XmlElement TableElement    = null;
                                    System.Data.OleDb.OleDbDataReader myReader = myCmd.ExecuteReader();
                                    while(myReader.Read())
                                    {
                                        strTableName = myReader[0].ToString().ToUpper();
                                        if(strTableName.Equals(strLastTableName)==false)
                                        {
                                            // 填充表说明元素
                                            strLastTableName    = strTableName ;
                                            TableElement        = myDoc.CreateElement("table");
                                            TableElement.SetAttribute("tablename", strTableName);
                                            myDoc.DocumentElement.AppendChild(TableElement);
                                        }
                                        // 填充字段说明元素
                                        System.Xml.XmlElement FieldElement = myDoc.CreateElement("field");
                                            FieldElement.SetAttribute("fieldname",    myReader[1].ToString());
                                            FieldElement.SetAttribute("fieldtype",    myReader[2].ToString());
                                            FieldElement.SetAttribute("fieldwidth",    myReader[3].ToString());
                                            FieldElement.SetAttribute("isstring",  (myReader[2].ToString().ToUpper().IndexOf("CHAR")>=0?"1":"0"));
                                            strFieldName = myReader[1].ToString();
                                            int iLen = myEncode.GetByteCount(strFieldName);
                                            if(iLen < 20)
                                                FieldElement.SetAttribute("fixname", strFieldName + new string(' ', 20 - iLen));
                                        TableElement.AppendChild(FieldElement);
                                    }
                                    myReader.Close();
                                }
                                else
                                {
                                    // 填充模板列表
                                    string [] strFileNames = System.IO.Directory.GetFiles(this.Server.MapPath("."),"temp_*.xml");
                                    for(int iCount = 0 ; iCount < strFileNames.Length ; iCount ++ )
                                    {
                                        System.Xml.XmlElement tempXML = myDoc.CreateElement("template");
                                        tempXML.SetAttribute("key",System.IO.Path.GetFileNameWithoutExtension(strFileNames[iCount]));
                                        myDoc.DocumentElement.AppendChild(tempXML);
                                    }
                                    // 填充表名列表
                                    myCmd.CommandText = strSQL ;
                                    System.Data.OleDb.OleDbDataReader myReader = myCmd.ExecuteReader();
                                    System.Xml.XmlElement TableElement = null;
                                    while(myReader.Read())
                                    {
                                        TableElement = myDoc.CreateElement("table");
                                        myDoc.DocumentElement.AppendChild(TableElement);
                                        strTableName = myReader[0].ToString();
                                        TableElement.SetAttribute("name", strTableName );
                                        TableElement.SetAttribute("count", myReader[1].ToString());
                                        int iLen = myEncode.GetByteCount(strTableName);
                                        if(iLen < 20 )
                                            TableElement.SetAttribute("fixname",strTableName + new string(' ', 20 - iLen));
                                    }
                                    myReader.Close();
                                }
                            }
                        }
                    }
                    myConn.Close();
                }
            }
            // 输出文档
            this.Response.ContentType = "text/xml";
            this.Response.ContentEncoding = myEncode ;
            this.Response.Write("<?xml version=\"1.0\" encoding=\"GB2312\" ?>");
            this.Response.Write("<?xml-stylesheet type=\"text/xsl\" href=\"" + strXSL  + "\"?>");
            this.Response.Write(myDoc.DocumentElement.OuterXml);
        }
    </
    script>

    文件 dbxmlcfg.xml内容  

    <?xml version="1.0" encoding="utf-8" ?>
    <application>
        <settings>
            <setting key="conn">Provider=SQLOLEDB.1;Password=123456;Persist Security Info=True;User ID=CPR;Initial Catalog=HTIOA;Data Source=192.168.0.124</setting>
            <setting key="conndbxml">Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=IssueVision;Data Source=(local)</setting>
            <!--
           
                定义查询表结构使用的SQL语句, 
               
                queryfield_驱动程序名称 定义了查询指定表的字段定义的SQL语句,该语句带有一个参数
               
                querytable_驱动程序名称 定义了查询所有表名及其字段个数的SQL语句,该语句没有参数
               
                目前定义了 oracle和ms sql server 的SQL语句
               
             -->
            <setting key="queryfield_OraOLEDB.Oracle.1">Select TName  ,CName  ,coltype  ,width    From  Col  where tname in (#tablelist) Order by TName,CName</setting>
            <setting key="querytable_OraOLEDB.Oracle.1">Select TName   ,count(*)   From Col group by tname Order by TName </setting>
            <setting key="queryfield_SQLOLEDB.1"><![CDATA[select  sysobjects.name  ,syscolumns.name   ,systypes.name  ,syscolumns.length  from syscolumns,sysobjects,systypes where syscolumns.id=sysobjects.id and syscolumns.xtype=systypes.xtype and sysobjects.type='U' and systypes.name <>'_default_' and systypes.name<>'sysname' and sysobjects.name in (#tablelist) order by sysobjects.name,syscolumns.name]]></setting>
            <setting key="querytable_SQLOLEDB.1"><![CDATA[select  sysobjects.name ,count(*) from syscolumns,sysobjects,systypes where syscolumns.id=sysobjects.id and syscolumns.xtype=systypes.xtype and sysobjects.type='U' and systypes.name <>'_default_' and systypes.name<>'sysname' group by sysobjects.name order by sysobjects.name]]></setting>
        </settings>
    </application>
    ####################### main.xml   ##################################
    <?xml version="1.0" encoding="gb2312" ?>
    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
        <xsl:output method="xml" indent="yes" />
        <xsl:template match="/*">
            <html>
                <head>
                    <title></title>
                    <style>
                    select2{ font-family: "宋体"; font-size: 12px}
                    body{  font-family: "宋体"; font-size: 12px}
                    table{ 100%; border-collapse:collapse;
                        border: 1px #CC0066 solid; font-family: "宋体";
                        font-size: 12px}
                    .tablehead{background-color:#CCCCFF}
                    td{ border: 1px #CC0066 solid}            </style>
                </head>
                <body leftmargin='1' rightmargin='1' topmargin="1">
                    <form name="frm" target="code" method="POST" action="dbxml.aspx?type=queryfield">
                    模板<select name="template">
                            <xsl:for-each select="template">
                                <option>
                                    <xsl:attribute name="value">
                                        <xsl:value-of select="@key" />
                                    </xsl:attribute>
                                    <xsl:value-of select="@key" />
                                </option>
                            </xsl:for-each>
                        </select>
                    <input type="submit" value="提交" />
                    <table>
                            <tr class="tablehead">
                                <td nowrap="1">选择</td>
                                <td nowrap="1">表名</td>
                                <td nowrap="1">字段个数</td>
                            </tr>
                            <xsl:for-each select="table">
                                <tr>
                                    <td nowrap="1">
                                        <input type="checkbox" name="tablelist" style="13;height:13">
                                            <xsl:attribute name="value">
                                                <xsl:value-of select="@name" />
                                            </xsl:attribute>
                                        </input>
                                    </td>
                                    <td>
                                        <xsl:value-of select="@name" />
                                    </td>
                                    <td>
                                        <xsl:value-of select="@count" />
                                    </td>
                                </tr>
                            </xsl:for-each>
                        </table>
                </form>
                </body>
            </html>
        </xsl:template>
    </xsl:stylesheet>

    ############################### temp_CSharp.xml 内容 ############################################
    <?xml version="1.0" encoding="utf-8" ?>
    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
        <xsl:output method="xml" indent="yes" />
        <xsl:template match="/">
            <html>
                <head></head>
                <body>
                    <xsl:for-each select="*/table">
    <br />-------------- 文件名 <xsl:value-of select="@tablename" />.cs -----------------------------
                <pre style=" background-color:gainsboro">
    //-----------------------------------------------------------------------------
    <xsl:text disable-output-escaping="yes">
        /// <summary></xsl:text>
        /// 数据库表 <xsl:value-of select="@tablename" /> 操作对象
        /// 编制: 代码生成器
        /// 时间:
    <xsl:text disable-output-escaping="yes">    /// </summary></xsl:text>
        public class Struct<xsl:value-of select="@tablename" />  : CommonStruct
        {    private const string c_TableName ="<xsl:value-of select="@tablename" />";
            // 定义数据库字段变量 ////////////////////////////////////////////////////////////////
            <xsl:for-each select="*">
                <xsl:variable name="csharptype">
                    <xsl:choose>
                        <xsl:when test="@isstring='1'">string </xsl:when>
                        <xsl:when test="boolean('true')">int    </xsl:when>
                    </xsl:choose>
                </xsl:variable>
                <xsl:variable name="lowfieldname">
                    <xsl:value-of select="translate(@fieldname,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')" />
                </xsl:variable>
            private  <xsl:value-of select="$csharptype" /> m_<xsl:value-of select="@fixname" /> ; // 字段 <xsl:value-of select="@cname" />
            </xsl:for-each>
           
            // 定义属性 ///////////////////////////////////////////////////////////
            <xsl:for-each select="*">
            <xsl:variable name="csharptype">
                    <xsl:choose>
                        <xsl:when test="@isstring='1'">string </xsl:when>
                        <xsl:when test="boolean('true')">int    </xsl:when>
                    </xsl:choose>
                </xsl:variable>
            /// <xsl:text disable-output-escaping="yes">&lt;summary&gt;</xsl:text>
            /// 设置/返回数据库字段属性 <xsl:value-of select="@cname" />
             /// <xsl:text disable-output-escaping="yes">&lt;/summary&gt;</xsl:text>
            /// <xsl:text disable-output-escaping="yes">&lt;returns&gt;</xsl:text><xsl:value-of select="@cname" /><xsl:text disable-output-escaping="yes"> &lt;/returns&gt;</xsl:text>
            public <xsl:value-of select="$csharptype" /> m<xsl:value-of select="@fieldname" />
            {
                get{ return m_<xsl:value-of select="@fieldname" />  ;}
                set{ m_<xsl:value-of select="@fieldname" /> = value ;}
            }
            </xsl:for-each>
           
           
            new public  static string getTableName()
            {return c_TableName ;}
            new public static string getSelectSQL()
            {
                return  "Select <xsl:for-each select="*">
                                <xsl:value-of select="normalize-space(@fieldname)" />
                                <xsl:if test="position() != last()">,</xsl:if>
                            </xsl:for-each> From " + c_TableName ;
            }
            new public static string getTypeName()
            {
                return "<xsl:value-of select="translate(@tablename,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')" />";
            }
            new public  static string SearchKey(string strKey)
            {   
                return getSelectSQL() + " Where SEQ =" + strKey  ;
            }
            public override bool SetCommandParams( System.Data.OleDb.OleDbCommand myCmd,bool SetValues )
            {
                if(myCmd!= null)
                {
                    myCmd.Parameters.Clear ();
                    <xsl:for-each select="*">
                        myCmd.Parameters.Add("<xsl:value-of select="normalize-space(@fieldname)" />",System.Data.OleDb.OleDbType.<xsl:if test="@isstring='1'">VarWChar</xsl:if><xsl:if test="@isstring='0'">Integer</xsl:if>);</xsl:for-each>
                    if(SetValues)
                    {
                        <xsl:for-each select="*">
                        myCmd.Parameters[<xsl:value-of select="position()-1" />].Value = m_<xsl:value-of select="@fieldname" /> ; // 字段 <xsl:value-of select="@cname" />
                        </xsl:for-each>
                    }
                    return true;
                }
                return false;
            }
            public override bool SetInsertCommand( System.Data.OleDb.OleDbCommand myCmd)
            {
                if(myCmd != null)
                {
                    myCmd.CommandText ="Insert Into " + c_TableName
                                + " ( <xsl:for-each select="*">[<xsl:value-of select="normalize-space(@fieldname)" />]<xsl:if test="position() != last()">,</xsl:if>
                            </xsl:for-each>) Values (<xsl:for-each select="*">?<xsl:if test="position() != last()">,</xsl:if>
                            </xsl:for-each>)";
                    return this.SetCommandParams(myCmd,true);
                }
                return false;
            }
            public override bool SetUpdateCommand(System.Data.OleDb.OleDbCommand myCmd)
            {
                if(myCmd != null)
                {
                    myCmd.CommandText ="Update " + c_TableName   
                                + " Set <xsl:for-each select="*">[<xsl:value-of select="normalize-space(@fieldname)" />]=? <xsl:if test="position() != last()">,</xsl:if></xsl:for-each> Where SEQ=" + m_SEQ ;
                    return this.SetCommandParams(myCmd,true);
                }
                return false;
            }
            public override bool SelectRS(System.Data.OleDb.OleDbDataReader myReader)
            {
                try
                {
                    if(myReader != null)
                    {
                        if (myReader.FieldCount==5)
                        {
                            <xsl:for-each select="*">
                            m_<xsl:value-of select="@fixname" /> = Convert.To<xsl:if test="@isstring='1'">String</xsl:if><xsl:if test="@isstring='0'">Int32</xsl:if>(myReader[<xsl:value-of select="position()-1" />]);</xsl:for-each>
                            return true;
                        }
                    }
                }
                catch
                {}
                return false;
            }
            public override bool ToXML(System.Xml.XmlElement myElement)
            {
                if(myElement != null)
                {
                    <xsl:for-each select="*">
                    myElement.SetAttribute("<xsl:value-of select="translate(@fieldname,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')" />",m_<xsl:value-of select="@fieldname" /><xsl:if test="@isstring='0'">.ToString()</xsl:if>);</xsl:for-each>
                    return true;
                }
                return false;
            }
            public override bool FromXML(System.Xml.XmlElement myElement)
            {
                try
                {
                    if(myElement != null)
                    {
                        <xsl:for-each select="*">
                        m_<xsl:value-of select="@fixname" /> = <xsl:if test="@isstring='0'">Convert.ToInt32(</xsl:if>myElement.GetAttribute("<xsl:value-of select="translate(@fieldname,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')" />")<xsl:if test="@isstring='0'">)</xsl:if>;</xsl:for-each>
                        return true;
                    }

                }
                catch
                {}
                return false;
            }
        }// 数据库操作类 Struct<xsl:value-of select="@tablename" /> 定义结束
    </pre>
                        </xsl:for-each>
                </body>
            </html>
        </xsl:template>
    </xsl:stylesheet>
    ########################## temp_HTML代码.xml #####################################################
    <?xml version="1.0" encoding="utf-8" ?>
    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
        <xsl:output method="xml" indent="yes" />
        <xsl:template match="/*">
            <html>
                <head>
                    <style>
                body{    font-family: "宋体"; font-size: 12px}
                table { 100%; border-collapse:collapse;
                        border: 1px #CC0066 solid; font-family: "宋体";
                        font-size: 12px}
                .tablehead{background-color:#CCCCFF}
                td{ border: 1px #CC0066 solid}
                </style>
                </head>
                <body>
                    <xsl:for-each select="table">
            数据表 <b><xsl:value-of select="translate(@tablename,'abcdefghijklmnopqrstuvwxyz','ABCDEFGHIJKLMNOPQRSTUVWXYZ')" /></b> 结构
            共 <xsl:value-of select="count(*)" /> 个字段
            <br />
            <table >
                <tr class="tablehead">
                    <td>字段名</td>
                    <td>类型</td>
                    <td>长度</td>
                </tr>
                <xsl:for-each select="*">
                    <tr>
                        <td>
                            <xsl:value-of select="@fieldname" />
                        </td>
                        <td>
                            <xsl:value-of select="@fieldtype" />
                        </td>
                        <td>
                            <xsl:value-of select="@fieldwidth" />
                        </td>
                    </tr>
                </xsl:for-each>
            </table>
            <p /><hr />
        </xsl:for-each>
                </body>
            </html>
        </xsl:template>
    </xsl:stylesheet>
    ################################ temp_Java_Struct.xml #######################################################################
    <?xml version="1.0" encoding="utf-8" ?>
    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
        <xsl:output method="xml" indent="yes" />
        <xsl:template match="/">
        <html><head></head><body>
            <xsl:for-each select="*/table">
    <br />-------------- 文件名 <xsl:value-of select="@tablename" />.java -----------------------------
                <pre style=" background-color:gainsboro">
    package com.haitai.emr.struct;
    import java.sql.*;
    import java.io.*;
    /**   <xsl:value-of select="@cname" />
    *    @author 代码生成器 */
    public class <xsl:value-of select="@tablename" /> implements Serializable
    {        // 定义数据库字段变量 ////////////////////////////////////////////////////////////////
            <xsl:for-each select="*">
            <xsl:variable name="javatype">
                        <xsl:choose>
                            <xsl:when test="@isstring='1'">String  </xsl:when>
                            <xsl:when test="boolean('true')"            >int     </xsl:when>
                        </xsl:choose>
                    </xsl:variable>
                    <xsl:variable name="lowfieldname">
                        <xsl:value-of select="translate(@fixname,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')" />
                    </xsl:variable>
        private <xsl:value-of select="$javatype" /> <xsl:text disable-output-escaping="yes"></xsl:text><xsl:value-of select="$lowfieldname" /> ; // 字段 <xsl:value-of select="@cname" /> 
            </xsl:for-each>
                    public static final String SELECT =
                           "Select <xsl:for-each select="*">
                    <xsl:value-of select="normalize-space(@fieldname)" />
                    <xsl:if test="position() != last()">,</xsl:if>
                </xsl:for-each> From <xsl:value-of select="@tablename" />";
        /** @param conn
         * @exception SQLException */
       public java.sql.PreparedStatement makeInsSt (java.sql.Connection conn) throws SQLException{
            PreparedStatement pst=conn.prepareStatement("insert into <xsl:value-of select="@tablename" />(<xsl:for-each select="*">
                    <xsl:value-of select="normalize-space(@fieldname)" />
                    <xsl:if test="position() != last()">,</xsl:if>
                </xsl:for-each>)"
                 +"values(<xsl:for-each select="*">?<xsl:if test="position() != last()">,</xsl:if></xsl:for-each>)");
          int index=0;
          <xsl:for-each select="*">
          pst.setString(++index,this.get<xsl:value-of select="@fieldname" />()); // <xsl:value-of select="@cname" />
          </xsl:for-each>
          return pst;
       }
      
        /** @param conn
         * @exception SQLException */
       public java.sql.PreparedStatement makeUpdSt (java.sql.Connection conn) throws SQLException{
         
             // TODO : implement
             PreparedStatement pst=conn.prepareStatement("update <xsl:value-of select="@tablename" /> set <xsl:for-each select="*"><xsl:value-of select="normalize-space(@fieldname)" /> =? <xsl:if test="position() != last()">,</xsl:if></xsl:for-each>)"
             +"where 数据表关键字段名=?");
             int index=0;
           <xsl:for-each select="*">
          pst.setString(++index,this.get<xsl:value-of select="@fieldname" />()); // <xsl:value-of select="@cname" />
          </xsl:for-each>

             //关键字
             pst.setString(++index,this.get数据表关键字段名());//数据表关键字段说明
      
             return pst;
          }
      
       public String toString (){
      
          // TODO : implement
          return <xsl:for-each select="*">"<xsl:if test="position() != 1">,</xsl:if><xsl:value-of select="normalize-space(@fieldname)" />="+ <xsl:value-of select="@lowfieldname" /><xsl:if test="position() != last()"> + </xsl:if> </xsl:for-each>;
       }
      
       // 读取和修改数据的接口
       <xsl:for-each select="*">
            <xsl:variable name="javatype">
                        <xsl:choose>
                            <xsl:when test="@isstring='1'">String</xsl:when>
                            <xsl:when test="boolean('true')">int</xsl:when>
                        </xsl:choose>
                    </xsl:variable>
                    <xsl:variable name="lowfieldname">
                        <xsl:value-of select="translate(@fieldname,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')" />
                    </xsl:variable>
           public <xsl:value-of select="$javatype" /> get<xsl:value-of select="@fieldname" />(){
               return <xsl:value-of select="normalize-space($lowfieldname)" /> ;
           }
           //@param <xsl:value-of select="@cname" />
           public void  set<xsl:value-of select="@fieldname" />(<xsl:value-of select="@javatype" /> value){
               <xsl:value-of select="normalize-space($lowfieldname)" /> = value ;
           }
       </xsl:for-each>
    } // 类 <xsl:value-of select="@tablename" /> 定义结束
    </pre>
                        </xsl:for-each>
                       
        </body>
        </html>
        </xsl:template>
    </xsl:stylesheet>
    ######################################## temp_VB.xml ############################################################
    <?xml version="1.0" encoding="utf-8" ?>
    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
        <xsl:output method="xml" indent="yes" />
        <xsl:template match="/">
            <html>
                <head></head>
                <body>
                    <xsl:for-each select="*/table">
    <br />-------------- 文件名 <xsl:value-of select="@tablename" />.cls -----------------------------
                <pre style=" background-color:gainsboro">
    '******************************************************************************
    '**
    '**          数据表 <xsl:value-of select="@cname" />[ <xsl:value-of select="@tablename" /> ]操作的对象
    '**
    '** 编制:代码生成器
    '** 时间:
    '**
    '******************************************************************************
    '** 定义和数据库字段对应的变量 *************************************************************
        private const c_TableName As String  = "<xsl:value-of select="@tablename" />"        '** 数据表名称
        <xsl:for-each select="*">
        <xsl:variable name="vbtype">
                    <xsl:choose>
                        <xsl:when test="@isstring='1'">String  </xsl:when>
                        <xsl:when test="boolean('true')"            >Integer </xsl:when>
                    </xsl:choose>
                </xsl:variable>
                <xsl:variable name="lowfieldname">
                    <xsl:value-of select="translate(@fieldname,'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')" />
                </xsl:variable>
        private m_<xsl:value-of select="@fixname" /> As <xsl:value-of select="$vbtype" />  '** 字段 <xsl:value-of select="@cname" />   
        </xsl:for-each>
       
    '** 定义数据库字段属性接口 ***************************************************************
            Public Property Get TableName() As String
                TableName = c_TableName
            End Property
        <xsl:for-each select="*">
        <xsl:variable name="vbtype">
                    <xsl:choose>
                        <xsl:when test="@isstring='1'">String  </xsl:when>
                        <xsl:when test="boolean('true')"            >Integer </xsl:when>
                    </xsl:choose>
                </xsl:variable>
            '** 数据库字段 <xsl:value-of select="@cname" />
            Public Property Get m<xsl:value-of select="@fieldname" />() As <xsl:value-of select="$vbtype" />
                m<xsl:value-of select="@fieldname" /> =  m_<xsl:value-of select="@fieldname" />
            End Property
            Public Property Let m<xsl:value-of select="@fieldname" />(Byval Value As <xsl:value-of select="$vbtype" />)
                m_<xsl:value-of select="@fieldname" /> =  m<xsl:value-of select="@fieldname" />
            End Property
        </xsl:for-each>
    '** 获得查询所有数据使用的SQL语句 **
            public Function GetBaseSQL() As String
                GetBaseSQL ="Select <xsl:for-each select="*">
                                <xsl:value-of select="@fieldname" />
                                <xsl:if test="position() != last()">,</xsl:if>
                            </xsl:for-each> From " <xsl:text disable-output-escaping="yes">&</xsl:text> c_TableName
            End Function
           
    '** 定义从数据库记录集获得数据的方法 **
        Public Function SelectRS(ByVal rs As ADODB.Recordset) As Boolean
            On Error GoTo SelectErr
            SelectRS = False
            <xsl:for-each select="*">
            m_<xsl:value-of select="@fixname" /> = rs.Fields(<xsl:value-of select="position()-1" />).Value  '** 字段 <xsl:value-of select="@cname" />
            </xsl:for-each>
            SelectRS = True
            Exit Function
    SelectErr:
            SelectRS = False
        End Function
       
       
       
    </pre>
                        </xsl:for-each>
                </body>
            </html>
        </xsl:template>
    </xsl:stylesheet>
    ####################### temp_表说明文档.xml   ##################################
    <?xml version="1.0" encoding="utf-8" ?>
    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
        <xsl:template match="/">
            <html>
                <head></head>
                <body>
                    <xsl:for-each select="*/table">
    -------------表 <xsl:value-of select="@tablename" /> 的说明文档 <xsl:value-of select="count(*)" />个字段
    <br /><pre style="word-wrap:break-word;background-color:gainsboro">
    <xsl:for-each select="*"><xsl:value-of select="@fixname" /><xsl:text disable-output-escaping="yes">      </xsl:text><xsl:value-of select="@fieldtype" /> 
    <xsl:if test="@isstring='1'">(<xsl:value-of select="@fieldwidth" />)</xsl:if>                .
    <xsl:text disable-output-escaping="yes"></xsl:text>
    </xsl:for-each>
                        </pre>
                        </xsl:for-each>
                </body>
            </html>
        </xsl:template>
    </xsl:stylesheet>
    ####################### temp_创建表的SQL语句.xml   ##################################
    <?xml version="1.0" encoding="utf-8" ?>
    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
        <xsl:template match="/">
            <html>
                <head></head>
                <body>
                    <xsl:for-each select="*/table">
    -------------创建表 <xsl:value-of select="@tablename" /> 的SQL语句 <xsl:value-of select="count(*)" />个字段
    <br /><pre style="word-wrap:break-word;background-color:gainsboro">
    CREATE TABLE <xsl:value-of select="@tablename" />(
        <xsl:for-each select="*">
    <xsl:text disable-output-escaping="yes"></xsl:text>
                                <xsl:value-of select="@fixname" />
                                <xsl:value-of select="@fieldtype" />
                                <xsl:if test="@isstring='1'">(<xsl:value-of select="@fieldwidth" />)</xsl:if>
                                <xsl:if test="position() != last()"> ,
            </xsl:if>
                            </xsl:for-each>
    )
                            </pre>
                        </xsl:for-each>
                </body>
            </html>
        </xsl:template>
    </xsl:stylesheet>
    #######################  temp_选择表使用的SQL语句.xml  ##################################
    <?xml version="1.0" encoding="utf-8" ?>
    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
        <xsl:template match="/">
            <html>
                <head></head>
                <body>
                    <xsl:for-each select="*/table">
    -------------选择表 <xsl:value-of select="@tablename" /> 的SQL语句 <xsl:value-of select="count(*)" />个字段
    <br /><pre style="word-wrap:break-word;background-color:gainsboro">
    Select <xsl:for-each select="*">
                                <xsl:text disable-output-escaping="yes"></xsl:text>
                                <xsl:value-of select="normalize-space(@fieldname)" />
                                <xsl:if test="position() != last()"> , </xsl:if>
                            </xsl:for-each>
    From <xsl:value-of select="@tablename" /></pre>
                        </xsl:for-each>
                </body>
            </html>
        </xsl:template>
    </xsl:stylesheet>

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  • 原文地址:https://www.cnblogs.com/guanwz/p/1043881.html
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