📄 teacher_update1.jsp
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<%@ page contentType="text/html;charset=GB2312" %>
<%@ page import="java.sql.ResultSet"%>
<html>
<!------系统交互javascript----->
<script language="JavaScript">
<!--
function check_data() {
//按提交按钮时，检查数据是否为空
if(update_teacher_form.teachername.value.length==0){
alert("输入的教师姓名为空，请重新输入！");
return false;
}else return true;
}
-->
</script>
<%//-------接收teacher_id参数------------
int teacher_id=0;
try{
teacher_id=Integer.parseInt(request.getParameter("teacher_id"));
}catch(Exception e)
{}
%>
<!----声明JavaBean，并查询出数据---->
<jsp:useBean id="teacher_select" class="teacherman.teacher_operation" scope="page"/>
<%ResultSet rs=teacher_select.teacher_select_one(teacher_id);%>
<body bgcolor="#DCDADA">
<!---------导航菜单------------->
<jsp:include page="navigator.txt"/>
<%if(rs.next()){%>
<!---------数据输入------------->
<table border="1" width="100%" cellspacing="0" cellpadding="0" bordercolor="#808080" bordercolorlight="#808080" bordercolordark="#808080">
<tr>
<td width="100%">
<table border="0" width="100%">
<tr>
<td width="100%" colspan="3">修改教师信息：<br><hr></td>
</tr>
<form name="update_teacher_form" action="teacher_update2.jsp" method="post" onsubmit="return check_data()">
<tr>
<td width="25%" align="right">教师序号：<%=rs.getLong("teacher_id")%> 教师姓名：</td>
<input type="hidden" value="<%=rs.getLong("teacher_id")%>" name="teacher_id">
<td width="25%"><input type="text" name="teacher_name" value="<%=rs.getString("teacher_name")%>" maxlength="20"></td>
<td width="50%"><input type="submit" value="提交"></td>
</tr>
</table>
</td>
</tr>
</table>
<%}%>
<br>
</body>
</html>⌨️ 快捷键说明
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