JSP 使用 JDBC连接SQL Server

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%@ page import="java.io.*,java.util.*" %>

<%@ page import="org.apache.poi.hssf.usermodel.*" %>

<%@ page import="org.apache.poi.poifs.filesystem.*" %>

<%@ page import="org.apache.poi.ss.usermodel.CellType" %>

<%@ page import="java.sql.*" %>

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>Generate SQL </title>

</head>

<body>

<h1>TemplateName <%= request.getParameter("TemplateName")%> </h1>

<p>

        <%

            String templateName = request.getParameter("TemplateName");

            String srcTemplateName=templateName+"_src";

            String trgTemplateName=templateName+"_trg";

            String primaryKeyDefine="PK nvarchar(150)";

            String PrimaryKey ="PK";

            String FilterCondition="a.PK=b.PK";

            String SystemIdentity="WFS";

            String srcQuery="";

            String trgQuery="";

            String SQL ="INSERT INTO [dbo].[BusinessLogicCmpDefine]  ([TemplateName],[SrcTemplateName],[TrgTemplateName],[PrimaryKeyDefine],[PrimaryKey] ,[FilterCondition] ,[SystemIdentity])";

            SQL=SQL+" <br> VALUES ('" +templateName+ "','"+srcTemplateName+"','"+trgTemplateName+"','"+primaryKeyDefine+"','"+PrimaryKey+"','"+FilterCondition+"','"+SystemIdentity+"')";

            out.println(SQL);

        %>

</p>

<h2>View <%=srcTemplateName%> </h2>

<p>

        Create view [dbo].[<%=srcTemplateName%>]

        <br>

        as

        <br>

        <%

        try (FileInputStream fileIn = new FileInputStream("c:\\demo.xls")) {

            POIFSFileSystem fs = new POIFSFileSystem(fileIn);

            HSSFWorkbook wb = new HSSFWorkbook(fs);

            HSSFSheet sheet = wb.getSheetAt(0);

            for (int k = 1; k <= sheet.getLastRowNum(); k++) {

                HSSFRow row = sheet.getRow(k);

                if(row !=null){

                    HSSFCell cell = row.getCell(1);

                    if(cell==null){

                        out.println("no data<br>");

                    }else{

                        String value =cell.getStringCellValue();

                        if(value.equals(templateName)){

                            HSSFCell srcQueryCell = row.getCell(5);

                            srcQuery=srcQueryCell.getStringCellValue().replaceAll("\r|\n","<br>");;

                            HSSFCell trgQueryCell = row.getCell(6);

                            trgQuery=trgQueryCell.getStringCellValue().replaceAll("\r|\n","<br>");

                            out.println(srcQuery+"<br> ");

                        }

                    }

                }

            }

        }

        %>

</p>

<h2>View <%=trgTemplateName%></h2>

<p>

        Create view [dbo].[<%=trgTemplateName%>]

        <br>

        as

        <br>

        <%out.println(trgQuery+"<br> ");%>

</p>

<h2>Excute SQL</h2>

<p>

       exec  USP_CompareR1AndR3Data '<%=templateName%>' ,'WFS'

</p>

<p>

        今天的日期是: <%= (new java.util.Date()).toLocaleString()%>

</p>

<%

    String connectionUrl = "jdbc:sqlserver://mysql:1443;" +

    "databaseName=NewDWH_DM_TOOL;integratedSecurity=true;";

    // Declare the JDBC objects.

    Connection con = null;

    Statement stmt = null;

    ResultSet rs = null;

    out.println("test sql connection  <br>");

    try {

        // Establish the connection.

        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

            con = DriverManager.getConnection(connectionUrl);

            // Create and execute an SQL statement that returns some data.

            String querySql = "select * from BusinessLogicCmpDefine where TemplateName='"+templateName+"'";

            stmt = con.createStatement();

            rs = stmt.executeQuery(querySql);

            // Iterate through the data in the result set and display it.

            int isExists=0;

            while (rs.next()) {

                isExists=1;

                System.out.println(rs.getString(1) + " " + rs.getString(2));

            }

            out.println("test sql connection success <br>");

            if(isExists==1)

            {

                out.println("已经存在不用再创建！ <br>");

            }else

            {

                out.println("不存在 <br>");

            }

    }

    // Handle any errors that may have occurred.

    catch (Exception e) {

        e.printStackTrace();

        out.println("test sql connection fault  <br>");

    }

    finally {

        if (rs != null) try { rs.close(); } catch(Exception e) {}

            if (stmt != null) try { stmt.close(); } catch(Exception e) {}

            if (con != null) try { con.close(); } catch(Exception e) {}

    }

%>

</body>

</html>
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JSP 使用 JDBC连接SQL Server

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