checkbox与vector传送有关问题
日期：2014-05-18 浏览次数：21048 次
checkbox与vector传送问题
通过checked判断数值加入到vector中传递，为什么t2.jsp收到为空值？？请帮忙看看有什么问题,谢谢！
t1.jsp
<%@ page contentType= "text/html; charset=gb2312 " language= "java " import= "java.sql.*,java.util.* " errorPage= " " %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 测试数组传送 </title>
</head>
<body>
<form id= "form1 " name= "form1 " method= "post " action= "t2.jsp ">
<input name= "test1 " type= "checkbox " value= "value1 " checked= "checked " /> 测试1 <br />
<input type= "checkbox " name= "test2 " value= "value2 " /> 测试2 <br />
<input type= "checkbox " name= "test3 " value= "value3 " /> 测试3 <br />
<input type= "checkbox " name= "test4 " value= "value4 " /> 测试4 <br />
<input type= "submit " name= "Submit " value= "提交 ">
</form>
</body>
</html>
<% Vector test = new Vector();
// Vector buyList=(Vector)session.getValues( " ", " ");
//document.form1.test.checked ;
%>
<script>
if ( document.form1.test1.checked == true )
{ <% test.add( "value1 "); %> ;}else
{ <% test.remove( "value1 "); %> ;};
if ( document.form1.test2.checked == true )
{ <% test.add( "value2 "); %> ;}else
{ <% test.remove( "value2 "); %> ;};
if ( document.form1.test3.checked == true )
{ <% test.add( "value3 "); %> ;}else
{ <% test.remove( "value3 "); %> ;};
if ( document.form1.test4.checked == true )
{ <% test.add( "value4 "); %> ;}else
{ <% test.remove( "value4 "); %> ;};
</script>
<%
session.setAttribute( "test ",test);
%>
t2.jsp
<%@ page contentType= "text/html; charset=gb2312 " language= "java " import= "java.sql.*,java.util.* " errorPage= " " %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transi
通过checked判断数值加入到vector中传递，为什么t2.jsp收到为空值？？请帮忙看看有什么问题,谢谢！
t1.jsp
<%@ page contentType= "text/html; charset=gb2312 " language= "java " import= "java.sql.*,java.util.* " errorPage= " " %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 测试数组传送 </title>
</head>
<body>
<form id= "form1 " name= "form1 " method= "post " action= "t2.jsp ">
<input name= "test1 " type= "checkbox " value= "value1 " checked= "checked " /> 测试1 <br />
<input type= "checkbox " name= "test2 " value= "value2 " /> 测试2 <br />
<input type= "checkbox " name= "test3 " value= "value3 " /> 测试3 <br />
<input type= "checkbox " name= "test4 " value= "value4 " /> 测试4 <br />
<input type= "submit " name= "Submit " value= "提交 ">
</form>
</body>
</html>
<% Vector test = new Vector();
// Vector buyList=(Vector)session.getValues( " ", " ");
//document.form1.test.checked ;
%>
<script>
if ( document.form1.test1.checked == true )
{ <% test.add( "value1 "); %> ;}else
{ <% test.remove( "value1 "); %> ;};
if ( document.form1.test2.checked == true )
{ <% test.add( "value2 "); %> ;}else
{ <% test.remove( "value2 "); %> ;};
if ( document.form1.test3.checked == true )
{ <% test.add( "value3 "); %> ;}else
{ <% test.remove( "value3 "); %> ;};
if ( document.form1.test4.checked == true )
{ <% test.add( "value4 "); %> ;}else
{ <% test.remove( "value4 "); %> ;};
</script>
<%
session.setAttribute( "test ",test);
%>
t2.jsp
<%@ page contentType= "text/html; charset=gb2312 " language= "java " import= "java.sql.*,java.util.* " errorPage= " " %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transi
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