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我編寫了一個程序來從servlets中的數據庫檢索數據。現在我想把這個值傳遞給jsp作爲超鏈接。這個怎麼做?如何將數據庫檢索值傳遞給jsp
這是我的servlet代碼是我寫的:
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class ViewServlet extends HttpServlet{
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException
{
res.setContentType("text/html");
PrintWriter pw = res.getWriter();
Connection con;
Statement stmt;
ResultSet rs;
String acid = null;
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:DSN","scott","krishna");
stmt = con.createStatement();
rs = stmt.executeQuery("Select id from custm where name='jai'");
req.setAttribute(acid,rs);
req.getRequestDispatcher("my_jsp_page.jsp").forward(req, res);
}
catch (Exception e){
pw.println(e);
}
}
}
現在我編輯的代碼,現在它的說法不能打電話setAttribute
與空值。
那麼如何在jsp中檢索該值? – 2012-03-13 12:40:47
我剛纔提到... – 2012-03-13 12:42:57
明白了......它會工作..我已經做到了這一點.... – 2012-03-13 12:45:43