📄 teacher_update2.jsp
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<%@ page contentType="text/html;charset=GB2312" %>
<html>
<body bgcolor="#DCDADA">
<%//-------接收teacher_id参数------------
int teacher_id=0;
try{
teacher_id=Integer.parseInt(request.getParameter("teacher_id"));
}catch(Exception e)
{}
String teacher_name=request.getParameter("teacher_name");
%>
<jsp:useBean id="teacher_update" class="teacherman.teacher_operation" scope="page"/>
<%//-----根据结果提示操作信息-----------
int updateReturn=teacher_update.teacher_update(teacher_id,teacher_name);
switch(updateReturn){
case 1:
out.print("更新教师数据成功!");break;
case 2:
out.print("数据库操作失败!");break;
case 3:
out.print("此教师已存在!");break;
case 4:
out.print("输入数据非法!");break;
default:
out.print("操作失败！");
}
%>
<br><a href="teacherman.jsp">返回</a>
</body>
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