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  • sql server数据库数据查询成功

     1 <%@ page language="java" contentType="text/html; charset=utf-8"   pageEncoding="utf-8"%>
     2 <%@ page  import="java.sql.*" %>
     3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
     4 <html>
     5 <head>
     6 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     7 <title>Insert title here</title>
     8 </head>
     9 <body>
    10 <%
    11     PreparedStatement ps = null;
    12     Connection ct = null;
    13     ResultSet rs = null;
    14     String url = "jdbc:sqlserver://localhost:1433;databaseName=test";
    15     String user="sa";  //超级管理员
    16     String password="sa";  //密码
    17     try {
    18         //1.加载驱动
    19         Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
    20         System.out.println("加载驱动成功!");
    21     }catch(Exception e) {
    22         e.printStackTrace();
    23         System.out.println("加载驱动失败!");
    24     }
    25     try {  
    26         //2.连接
    27         ct=DriverManager.getConnection( url,user,password);
    28         System.out.println("连接数据库成功!");
    29     }catch(Exception e) {
    30         e.printStackTrace();
    31         System.out.println("连接数据库失败!");
    32     }
    33     
    34     /*尝试查询数据库*/
    35     try{
    36         Statement stmt = ct.createStatement();
    37         String sql = "select * from student";
    38         // 执行数据库查询语句
    39         rs = stmt.executeQuery(sql);
    40         while (rs.next()) {
    41             String id = rs.getString("SID");
    42             String name = rs.getString("SNAME");
    43             String age = rs.getString("SSEX");
    44             
    45             out.println("eno:" + id +"	"+ "ename:" + name +"	"+"sex:" + age+"<br>");
    46         }
    47         if (rs != null) {
    48             rs.close();
    49             rs = null;
    50         }
    51         if (stmt != null) {
    52             stmt.close();
    53             stmt = null;
    54         }
    55         if (ct != null) {
    56             ct.close();
    57             ct = null;
    58         }
    59     }
    60     catch (SQLException e) {
    61         e.printStackTrace();
    62         System.out.println("数据库连接失败");
    63     }
    64 
    65       
    66     
    67      %>
    68 </body>
    69 </html>
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  • 原文地址:https://www.cnblogs.com/borter/p/9440467.html
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