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于 2007-03-12 09:52
请各位高手帮忙看一下错误在哪里?我分析了好久都弄不明白。 下面的程序在填写信息完整后点添加会提示出错: <% String sno = request.getParameter("sno"); String studentname = request.getParameter("studentname"); int sex = Integer.parseInt(request.getParameter("sex")); String birthdate = request.getParameter("birthdate"); String city = request.getParameter("city"); String address = request.getParameter("address"); String phone = request.getParameter("phone"); String depname = request.getParameter("depname"); String rxdate = request.getParameter("rxdate"); String bydate = request.getParameter("bydate"); if (sno == null || sno.trim().equals("")){ request.setAttribute("errMsg","请将学号填写完整!"); %> <jsp:forward page="error.jsp"/> <% }else if (studentname == null || studentname.trim().equals("")){ request.setAttribute("errMsg","请将姓名填写完整!"); %> <jsp:forward page="error.jsp"/> <% } 严重: Servlet.service() for servlet debugjsp threw exception java.lang.NumberFormatException: null
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