WAP中，中文字符传递的解决方案

<%
Function URLDecode(enStr)
	dim deStr
	dim c,i,v
	deStr=""
	for i=1 to len(enStr)
		c=Mid(enStr,i,1)
		if c="%" then
			v=eval("&h"+Mid(enStr,i+1,2))
			if v<128 then
				deStr=deStr&chr(v)
				i=i+2
			else
				if isvalidhex(mid(enstr,i,3)) then
					if isvalidhex(mid(enstr,i+3,3)) then
						v=eval("&h"+Mid(enStr,i+1,2)+Mid(enStr,i+4,2))
						deStr=deStr&chr(v)
						i=i+5
					else
						v=eval("&h"+Mid(enStr,i+1,2)+cstr(hex(asc(Mid(enStr,i+3,1)))))
						deStr=deStr&chr(v)
						i=i+3 
					end if 
				else 
					destr=destr&c
				end if
			end if
		else
			if c="+" then
				deStr=deStr&" "
			else
				deStr=deStr&c
			end if
		end if
	next
	URLDecode=deStr
end function

function isvalidhex(str)
	isvalidhex=true
	str=ucase(str)
	if len(str)<>3 then isvalidhex=false:exit function
	if left(str,1)<>"%" then isvalidhex=false:exit function
		c=mid(str,2,1)
	if not (((c>="0") and (c<="9")) or ((c>="A") and (c<="Z"))) then isvalidhex=false:exit function
		c=mid(str,3,1)
	if not (((c>="0") and (c<="9")) or ((c>="A") and (c<="Z"))) then isvalidhex=false:exit function
end function

%>
<%=URLDecode("%BC%BC%CA%F5%D7%A8%C0%B8")%>

<?php 
header("Content-Type: text/vnd.wap.wml;charset=GB2312");
echo '<?xml version="1.0" encoding="GB2312"?>';
echo '<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">';
?>
<wml>
<card id="main" title="PHP Web">
<p>
GET提交，结果：
<?php echo iconv("utf-8", "gb2312",$_GET["name"]);?><br/>
POST提交，结果:
<?php echo iconv("utf-8", "gb2312",urldecode($_POST["name"])); ?><br/>
<input name="name" emptyok="false" tabindex="2" format="*m"/>
<a href="testgb.php?name=$(name:e)">提交aaa</a><br/>
<anchor>提交anchor
<go href="testgb.php" method="post">
<postfield name="name" value="$(name:e)" />
</go>
</anchor><br/>
</p>
</card>
</wml>

<?php 
header("Content-Type: text/vnd.wap.wml;charset=UTF-8");
echo '<?xml version="1.0" encoding="UTF-8"?>';
echo '<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">';
?>
<wml>
<card id="main" title="PHP Web">
<p>
GET提交，结果：
<?php echo $_GET["name"]; ?><br/>
POST提交，结果:
<?php echo urldecode($_POST["name"]); ?><br/>
<input name="name" emptyok="false" tabindex="2" format="*m"/>
<a href="test_utf.php?name=$(name:e)">提交aaa</a><br/>
<anchor>提交anchor
<go href="test_utf.php" method="post">
<postfield name="name" value="$(name:e)" />
</go>
</anchor><br/>
</p>
</card>
</wml>

public static String decode(String s)
{
StringBuffer stringbuffer = new StringBuffer();
s = s.replace('%','0');
for(int i=1; i<s.length(); i+=3)
{
if(s.charAt(i)=='+')
{
stringbuffer.append(' ');
i++;
continue;
}

try {
stringbuffer.append((char)Integer.parseInt(s.substring(i, i+2), 16));
} catch (Exception e) {
}
}
String s1 = stringbuffer.toString();
try
{
byte abyte0[] = s1.getBytes("ISO-8859-1");
s1 = new String(abyte0, "UTF-8");
}
catch(UnsupportedEncodingException unsupportedencodingexception) {}
return s1;
}