ó?phpêμ??gb2312oíunicode(UTF-8)??μ?±à??×a??

????μ?ày×óê??? gb2312 ×a???a uft-8 ?a??D?ê?
php4.3.1ò?oóμ?iconvoˉêyoüo?ó?μ?￡???ê?Dèòa×??oD′ò???uft8μ?unicodeμ?×a??oˉêy
2é±í(gb2312.txt)ò2DD

<?
text = “μ?×óêé?a”;
preg_match_all(“/[\\x80-\\xff]?./”,text,ar);
foreach(ar[0] as v)
echo “&#”.utf8_unicode(iconv(“GB2312″,”UTF-8″,v)).”;”;
?>
<?
// utf8 -> unicode
function utf8_unicode(c) {
switch(strlen(c)) {
case 1:
return ord(c);
case 2:
n = (ord(c[0]) & 0x3f) << 6;
n += ord(c[1]) & 0x3f;
return n;
case 3:
n = (ord(c[0]) & 0x1f) << 12;
n += (ord(c[1]) & 0x3f) << 6;
n += ord(c[2]) & 0x3f;
return n;
case 4:
n = (ord(c[0]) & 0x0f) << 18;
n += (ord(c[1]) & 0x3f) << 12;
n += (ord(c[2]) & 0x3f) << 6;
n += ord(c[3]) & 0x3f;
return n;
}
}
?>

????μ?ày×óê?à?ó?php??uft-8?a?D±à??×a???agb2312.

<?php
str = “TTL全天候自动聚焦”;
str = preg_replace(“|&#([0-9]{1,5});|”, “\\”.u2utf82gb(\\\\1).\\”", str);
str = “\\str=\\”str\\”;”;
eval(str);
echo str;
function u2utf82gb(c){
str=”";
if (c < 0×80) {
str.=c;
} else if (c < 0×800) {
str.=chr(0xC0 | c>>6);
str.=chr(0×80 | c & 0x3F);
} else if (c < 0×10000) {
str.=chr(0xE0 | c>>12);
str.=chr(0×80 | c>>6 & 0x3F);
str.=chr(0×80 | c & 0x3F);
} else if (c < 0×200000) {
str.=chr(0xF0 | c>>18);
str.=chr(0×80 | c>>12 & 0x3F);
str.=chr(0×80 | c>>6 & 0x3F);
str.=chr(0×80 | c & 0x3F);
}
return iconv(‘UTF-8′, ‘GB2312′, str);
}
?>

?ò??ê?

function unescape(str) {
str = rawurldecode(str);
preg_match_all(“/(?:%u.{4})|&#x.{4};|&#\\d+;|.+/U”,str,r);
ar = r[0];
print_r(ar);
foreach(ar as k=>v) {
if(substr(v,0,2) == “%u”)
ar[k] = iconv(“UCS-2″,”GB2312″,pack(“H4″,substr(v,-4)));
elseif(substr(v,0,3) == “&#x”)
ar[k] = iconv(“UCS-2″,”GB2312″,pack(“H4″,substr(v,3,-1)));
elseif(substr(v,0,2) == “&#”) {
echo substr(v,2,-1).”<br>”;
ar[k] = iconv(“UCS-2″,”GB2312″,pack(“n”,substr(v,2,-1)));
}
}
return join(“”,ar);
}
str = “TTL全天候自动聚焦”;
echo unescape(str); file://out TTLè?ììoò×??ˉ???1

à?ó?javascriptà′×a??

<style>
BODY {
FONT-SIZE: 9pt; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; PADDING-TOP: 0px;
}
input {
FONT-SIZE: 9pt; height: 13pt;
}
</style>
<script language=”JavaScript1.2″>
/*
This following code are designed and writen by Windy_sk <seasonx@163.net>
You can use it freely, but u must held all the copyright items!
*/
function Str2Unicode(str){
var arr = new Array();
for(var i=0;i<str.length;i++){
arr[i]=”&#” + str.charCodeAt(i) + “;”;
}
return(arr.toString().replace(/,/g,”"));
}
function Unicode2oStr(str){
var re=/&#[\\da-fA-F]{1,5};/ig;
var arr=str.match(re);
if(arr==null)return(“”);
for(var i=0;i<arr.length;i++){
arr[i]=String.fromCharCode(arr[i].replace(/[&#;]/g,”"));
}
return(arr.toString().replace(/,/g,”"))
}
function modi_str(){
if(document.all.text.method.checked){
if(document.all.text.decode.value!=”"){
document.all.text.encode.value = Str2Unicode(document.all.text.decode.value);
}else{
document.all.text.decode.value = Unicode2oStr(document.all.text.encode.value);
}
}else{
if(document.all.text.encode.value!=”"){
document.all.text.decode.value = Unicode2oStr(document.all.text.encode.value);
}else{
document.all.text.encode.value = Str2Unicode(document.all.text.decode.value);
}
}
}
</script>
<title>Unicode</title>
<form name=text>
??±??-Dí￡o<br>
<textarea name=”decode” cols=”100″ rows=”10″></textarea>
<br>
×a??′ú??￡o<br>
<textarea name=”encode” cols=”100″ rows=”10″></textarea>
<br>
<input type=”checkbox” name=”method” checked> ?y?ò×a??
<input type=button onclick=”modi_str()” value=” è· ?¨ “>
<input type=reset value=” ?? ?? “>
<input type=button onclick=”document.all.text.method.checked?document.all.text.encode.select():document.all.text.decode.select()” value=” è? ?? “>
</form>

????ê?ò?????ê??ùóDè???°???μ?×?ì?μ?2é?′ày×ó

<style>
BODY {
FONT-SIZE: 9pt; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; PADDING-TOP: 0px;
}
input {
FONT-SIZE: 9pt; height: 13pt;
}
</style>
<script>
function showUni(min,max){
show.document.open();
show.document.writeln(“<style>body{font-size:9pt;word-break:break-all;}</style>”);
show.document.writeln(min + ” – ” + max + “<br><br>”);
var i=0;
for(i=min;i<=max;i++){
show.document.write(“&#” + i + “;”);
}
show.document.close();
}
</script>
<input type=button value=”°???” onclick=showUni(32,126)>
<input type=button value=”è???” onclick=showUni(65281,65374)>
<input type=button value=”?D??1″ onclick=showUni(19968,40869)>
<input type=button value=”?D??2″ onclick=showUni(63744,64045)>
<input type=button value=”è?????” onclick=showUni(12353,12435)>
<input type=button value=”è?????” onclick=showUni(12449,12534)>
<input type=button value=”o???” onclick=showUni(44032,55203)>
<br>×??¨ò?￡o<input name=min> – <input name=max>
<input type=button value=”2ì?′” onclick=showUni(parseInt(document.all.min.value),parseInt(document.all.max.value))>
<br>
<iframe src=”about:blank” id=show width=100% height=70% scroll=no></iframe>

????ê?ò???2é±í(gb2312),×a??gb2312μ?utf8μ?ày×ó, ???úóDiconvoˉêy,?a??ò??-??óDì?′óμ?òaò?á?,

<?
function gb2utf8(gb){
if(!trim(gb)) return gb;
filename=”gb2312.txt”;
tmp=file(filename);
codetable=array();
while(list(key,value)=each(tmp))
codetable[hexdec(substr(value,0,6))]=substr(value,7,6);
utf8=”";
while(gb) {
if (ord(substr(gb,0,1))>127) {
this=substr(gb,0,2);
gb=substr(gb,2,strlen(gb)-2);
utf8.=u2utf8(hexdec(codetable[hexdec(bin2hex(this))-0x8080]));
}else{
this=substr(gb,0,1);
gb=substr(gb,1,strlen(gb)-1);
utf8.=u2utf8(this);
}
}
return utf8;
}
function u2utf8(c){
str=”";
if (c < 0×80) {
str.=c;
} else if (c < 0×800) {
str.=chr(0xC0 | c>>6);
str.=chr(0×80 | c & 0x3F);
} else if (c < 0×10000) {
str.=chr(0xE0 | c>>12);
str.=chr(0×80 | c>>6 & 0x3F);
str.=chr(0×80 | c & 0x3F);
} else if (c < 0×200000) {
str.=chr(0xF0 | c>>18);
str.=chr(0×80 | c>>12 & 0x3F);
str.=chr(0×80 | c>>6 & 0x3F);
str.=chr(0×80 | c & 0x3F);
}
return str;
}
?>