Exemple #1
0
  public void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    request.setCharacterEncoding("gb2312");
    response.setContentType("text/html; charset=gb2312");
    out = response.getWriter();
    session = request.getSession();
    time = new Time();
    str = new Str();
    db = new Db();

    // 取得
    try {
      id = Integer.parseInt((String) request.getParameter("id"));
    } catch (Exception e) {
      id = 0;
    }
    password = request.getParameter("password");
    password = str.inStr(password);
    sqlsp = "SELECT * FROM password WHERE employeeid=" + id;
    sqlse = "SELECT employeeid FROM eminfo WHERE employeeid=" + id;
    sqlu =
        "UPDATE password SET time='"
            + time.getYMDHMS()
            + "',password='******' WHERE employeeid="
            + id;
    sqli =
        "INSERT INTO password(employeeid,password,time) VALUES("
            + id
            + ",'"
            + password
            + "','"
            + time.getYMDHMS()
            + "')";
    try {
      stmt = db.getStmtread();
      rs = stmt.executeQuery(sqlsp);
      // 不是第一次设置更新数据库
      if (rs.next()) {
        db.close();
        stmt = db.getStmt();
        temp = 0;
        temp = stmt.executeUpdate(sqlu);
        if (temp > 0) {
          request.setAttribute("msg", "设置成功");
        } else {
          request.setAttribute("msg", "设置失败");
        }
        db.close();
      } else {
        // 第一次设置
        db.close();
        temp = 0;
        stmt = db.getStmtread();
        rs = stmt.executeQuery(sqlse);
        if (rs.next()) {
          // id存在
          rs.close();
          stmt.close();
          temp = 0;
          stmt = db.getStmt();
          temp = stmt.executeUpdate(sqli);
          if (temp > 0) {
            request.setAttribute("msg", "设置成功");
          } else {
            request.setAttribute("msg", "设置失败");
          }
          db.close();
        } else {
          // id不存在
          db.close();
          request.setAttribute("msg", "员工序号不存在");
        }
      }
    } catch (SQLException e) {
      e.printStackTrace();
    } finally {
      RequestDispatcher dispatcher = request.getRequestDispatcher("set1.jsp");
      dispatcher.forward(request, response);
    }
  }