1 <%-- 2 Created by IntelliJ IDEA. 3 User: hellohongfu 4 Date: 2017/12/21 5 Time: 0:16 6 To change this template use File | Settings | File Templates. 7 --%> 8 <%@ page contentType="text/html;charset=UTF-8" language="java" %> 9 <%@page import="java.io.*,java.util.*" %> 10 <%@ page import="org.apache.poi.hssf.usermodel.*" %> 11 <%@ page import="org.apache.poi.poifs.filesystem.*" %> 12 <%@ page import="org.apache.poi.ss.usermodel.*" %> 13 <%@ page import="org.apache.poi.xssf.usermodel.*" %> 14 15 <%@ page import="java.sql.*" %> 16 17 <html> 18 <head> 19 <title>excel demo</title> 20 </head> 21 <body> 22 23 <% 24 InputStream inp = new FileInputStream("c:\demo.xlsx"); 25 //InputStream inp = new FileInputStream("workbook.xlsx"); 26 27 Workbook wb = WorkbookFactory.create(inp); 28 Sheet sheet = wb.getSheetAt(0); 29 for (int k = 1; k <= sheet.getLastRowNum(); k++){ 30 Row row=sheet.getRow(k); 31 Cell cell = row.getCell(1); 32 if (cell != null){ 33 String value =cell.getStringCellValue(); 34 out.println("cell value:"+value+"<br>"); 35 } 36 37 } 38 39 Row row = sheet.getRow(2); 40 Cell cell = row.getCell(3); 41 42 43 44 out.println(cell.getStringCellValue()); 45 if (cell == null) 46 cell = row.createCell(3); 47 cell.setCellType(CellType.STRING); 48 49 // Write the output to a file 50 FileOutputStream fileOut = new FileOutputStream("workbook.xls"); 51 wb.write(fileOut); 52 fileOut.close(); 53 %> 54 55 <table> 56 <thead> 57 <tr> 58 <th> 59 id 60 </th> 61 <th> 62 company 63 </th> 64 <th> 65 name 66 </th> 67 </tr> 68 </thead> 69 <tbody> 70 <% 71 String connectionUrl = "jdbc:sqlserver://DESKTOP-U9122RH;" + 72 "databaseName=ryqy;integratedSecurity=true;"; 73 74 // Declare the JDBC objects. 75 Connection con = null; 76 Statement stmt = null; 77 ResultSet rs = null; 78 out.println("test sql connection <br>"); 79 try { 80 // Establish the connection. 81 Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); 82 con = DriverManager.getConnection(connectionUrl); 83 84 // Create and execute an SQL statement that returns some data. 85 String querySql = "select * from account"; 86 stmt = con.createStatement(); 87 rs = stmt.executeQuery(querySql); 88 89 // Iterate through the data in the result set and display it. 90 int isExists=0; 91 while (rs.next()) { 92 isExists=1; 93 94 95 System.out.println(rs.getString(1) + " " + rs.getString(2)); 96 97 String id=rs.getString(1); 98 String company=rs.getString(1); 99 String name =rs.getString(3); 100 101 out.println("<tr><td>"+id+"</td><td>"+company+"</td><td>"+name+"</td></tr>"); 102 103 104 } 105 out.println("test sql connection success <br>"); 106 if(isExists==1) 107 { 108 out.println("已经存在不用再创建！ <br>"); 109 }else 110 { 111 112 out.println("不存在 <br>"); 113 } 114 115 } 116 117 // Handle any errors that may have occurred. 118 catch (Exception e) { 119 e.printStackTrace(); 120 out.println("test sql connection fault <br>"); 121 } 122 123 finally { 124 if (rs != null) try { rs.close(); } catch(Exception e) {} 125 if (stmt != null) try { stmt.close(); } catch(Exception e) {} 126 if (con != null) try { con.close(); } catch(Exception e) {} 127 } 128 %> 129 </tbody> 130 </table> 131 </body> 132 </html>