题目：编写两个JSP页面InputString.jsp和computer.jsp
InputString.jsp
<%@ page contentType="text/html;charset=GB2312" %>
<HTML><BODY><FONT size=5>
<FORM action="computer.jsp" method=post name=form>
<BR>请输入字符串：<INPUT type="text" name="input" value=""></BR>
<INPUT TYPE="submit" value="ENTER" name="submit">
</FORM>
</FONT></BODY></HTML>computer.jsp
<%@ page contentType="text/html;charset=GB2312" %>
<HTML><BODY><FONT size=5>
<% String textContent=request.getParameter("input"); %>
<p>输入的字符串是：<%=textContent %></p>
<p>字符串的长度是：<%=textContent.length() %></p>
<a href="InputString.jsp">return</a>
</FONT></BODY></HTML>运行结果：
