第二题

<%@ page import="java.util.Random"%>
<fieldset>
<legend>随机生成M*N行数据的表格</legend>
<form>
请输入行数:<input type="text" name = "hang"><br/>
请输入列数:<input type="text" name = "lie"><br/>
<input type="submit" value="提交">
</form>
</fieldset>
<%
int row=0;
int col=0;
try{
row=Integer.parseInt(request.getParameter("hang"));
col=Integer.parseInt(request.getParameter("lie"));
}catch(Exception ex){
out.println("please input integer!");
return;
}
int val=1;
Random r = new Random(1);
int ran1;
%>
<table border="1">
<caption>[55,95]随机整数</caption>
<%for(int i=0;i<row;i++){ %>
<tr>
<%for(int j=0;j<col;j++){ %>
<td>
<%= new java.util.Random().nextInt(41)+55%>
</td>
<%} %>
</tr>
<%} %>
</table>