<%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030" import="java.sql.*"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <jsp:useBean id="info" class="com.DB" scope="page" /> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=GB18030"> <title>Insert title here</title> </head> <body> <% try { String id=new String(request.getParameter("id").getBytes("ISO-8859-1"),"GB18030"); String Gg_titile=new String(request.getParameter("Gg_titile").getBytes("ISO-8859-1"),"GB18030"); String Gg_neirong=new String(request.getParameter("Gg_neirong").getBytes("ISO-8859-1"),"GB18030"); Connection con=info.getCon(); // 添加信息的SQL语句 String sql = "update gg set Gg_titile='"+Gg_titile +"',Gg_neirong='"+Gg_neirong +"' where id='"+id+"'"; // 获取PreparedStatement PreparedStatement ps = con.prepareStatement(sql); // 对SQL语句中的第1个参数赋值 int row = ps.executeUpdate(); if(row > 0){ out.println("<script>alert('更改成功!');window.location.href='zixun_mg.jsp';</script>"); } // 关闭PreparedStatement,释放资源 ps.close(); // 关闭Connection,释放资源 con.close(); } catch (Exception e) { out.print("更新失败!"); e.printStackTrace(); } %> </body> </html>