在java和jsp中使用jdbc連接sql2008,首先要下載sql2008的jdbc驅動。下載安裝后,到安裝目錄Microsoft JDBC Driver 4.0 for SQL Server下找到兩個.jar文件,其中sqljdbc.jar是適用於sql2005,如果是2008,則使用sqljdbc.jar。將該jar文件拷貝到安裝jdk的目錄下的jre-->lib-->ext的文件夾下。如果是jsp連接,則還需將其拷貝到tomcat的lib目錄下。現在自己的sql2008下建立一個數據庫,我自己的是test。
1.首先用java連接:代碼如下:
package org.kevin.yo; import java.sql.*; public class connectSql { public static void main(String[] srg) { String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver"; //加載JDBC驅動 String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=test"; //連接服務器和數據庫test String userName = "sa"; //默認用戶名 String userPwd = "kevin"; //密碼 Connection dbConn; Statement state=null; ResultSet rs=null; String sql="select * from stu_info"; try { Class.forName(driverName); dbConn = DriverManager.getConnection(dbURL, userName, userPwd); System.out.println("Connection Successful!"); //如果連接成功 控制台輸出Connection Successful! state=dbConn.createStatement(); rs=state.executeQuery(sql); while(rs.next()){ String id= rs.getString(1); String name= rs.getString(2); String age = rs.getString(3); String sex=rs.getNString(4); System.out.println(id+""+name+""+age+""+sex+""); System.out.println("\n"); } } catch (Exception e) { e.printStackTrace(); } } }
輸出結果:
2.jsp連接sql2008:代碼如下:
1 <%@ page language="java" contentType="text/html; charset=ISO-8859-1" 2 pageEncoding="ISO-8859-1"%> 3 <%@page import="java.sql.*" %> 4 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 5 <html> 6 <head> 7 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> 8 <title>Insert title here</title> 9 </head> 10 <body> 11 <%try{ 12 Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); 13 Connection conn= DriverManager.getConnection("jdbc:sqlserver://localhost;DatabaseName=test;user=sa;password=kevin"); 14 String sql = "select * from stu_info"; 15 Statement stmt=conn.createStatement(); 16 ResultSet rs = stmt.executeQuery(sql); 17 while(rs.next()){%> 18 <%=rs.getString(1) %><br/> 19 <%=rs.getString(2) %><br/> 20 <%=rs.getString(3) %><br/> 21 <%=rs.getString(4) %><br/> 22 <%} 23 out.println("successful!"); 24 }catch(Exception e){ 25 26 }%> 27 </body> 28 </html>
執行結果:
ok~~~我也是新手一枚,一家之言,歡迎大家一起交流學習。