例如:
a.jsp
<td class="td" >
<input type="text" name="supplierID" value="${u.supplierID}"/>
</td>b.jsp<% int supplierID=Integer.parseInt(request.getParameter("supplierID"));
out.print(supplierID);
%>
<form action="" method="post">
<input type="text" name="supplierID" value="${request.getParameter("supplierID")}"/>
</form>
红色的地方总是报错,为何不能取到此值????
a.jsp
<td class="td" >
<input type="text" name="supplierID" value="${u.supplierID}"/>
</td>b.jsp<% int supplierID=Integer.parseInt(request.getParameter("supplierID"));
out.print(supplierID);
%>
<form action="" method="post">
<input type="text" name="supplierID" value="${request.getParameter("supplierID")}"/>
</form>
红色的地方总是报错,为何不能取到此值????
<form action="" method="post">
<input type="text" name="supplierID" value="${param.supplierID}"/>
</form>