studeditsave.jsp

学生管理系统 对学生成绩的操作

<%@page contentType="text/html; charset=gb2312" import="java.sql.*"%>
<%
  String driver = "com.microsoft.jdbc.sqlserver.SQLServerDriver"; //驱动程序
  String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=stuManager"; //数据库连接语句
  String userID = "sa", pwd = "sa", sql = "";
  try {
    Class.forName(driver); //调入JDBC-ODBC桥的驱动程序
    Connection conn = DriverManager.getConnection(url, userID, pwd); //建立与数据的连接
    //request对象
    request.setCharacterEncoding("gb2312"); //乱码转换成中文
    Statement stmt = conn.createStatement(); //建立Statement的实例，相当于创建一个查询分析器的运行环境
    sql = "update studinfo set studname='" + request.getParameter("studName");
    sql = sql  + "',classid='" + request.getParameter("classID");
    sql = sql  + "',sex='" + request.getParameter("sex");
    sql = sql  + "',age='" + request.getParameter("age");
    sql = sql + "' where studid='" + request.getParameter("studID") + "'";
    if (stmt.executeUpdate(sql) > 0) {
      response.sendRedirect("StudList.jsp"); //response对象见第四章,连接到memCenter.jsp页面
    }
  } catch (Exception e) {
    System.out.println(e.getMessage());
  }
%>