使用jdbc連接配接資料庫首先需下載下傳sqljdbc4.jar （點此下載下傳）
下載下傳後放入工程WEB-INF/lib目錄下并添加進工程庫：
對jar檔案右鍵選擇：
或者如下操作
1.
2.
3.
jsp連接配接代碼：
/**注意加try-catch塊
<%@ page import="java.sql.*" %><%--
Created by IntelliJ IDEA.
User: Vove
Date: //
Time: :
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>SQl</title>
</head>
<body>
<%
String DB_Url="jdbc:sqlserver://localhost:1433;DataName=資料庫名";
String user="使用者名";//登陸資料庫
String password="密碼";
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
Connection connection= null;
try {
connection = DriverManager.getConnection(DB_Url,user,password);
} catch (SQLException e) {
e.printStackTrace();
}
Statement statement= null;
try {
statement = connection.createStatement();
} catch (SQLException e) {
e.printStackTrace();
}
try {
statement.executeQuery("SELECT TOP 1000 [Username]\n" +
" ,[Password]\n" +
" ,[email]\n" +
" ,[register_date]\n" +
" FROM [Vove].[dbo].[User_im]");
} catch (SQLException e) {
e.printStackTrace();
}
ResultSet resultSet=statement.getResultSet();
while (resultSet.next()){
String username=resultSet.getString("Username");
String userpassword=resultSet.getString("password");
Date date=resultSet.getDate("register_date");
out.println(username+"\t"+userpassword+"\t"+date+"<br>");
}
%>
</body>
</html>
最後吐槽一下教科書上的Class.forName(“com.microsoft**.jdbc.sqlserver.**SQLServerDriver”);