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小 发表于 2008-8-25 11:54 只看该作者
多字节字符 转 HTML实体编码
The php code:function html_encode($str, $encode = 'UTF-8') {
$str = iconv($encode, 'UTF-16BE', $str);
for($i = 0; $i < strlen($str); $i += 2){
$code = ord($str{$i}) * 256 + ord($str{$i + 1});
$output .= $code < 128 ? chr($code) : '&#' . $code . ';';
}
return $output;
}The js code:<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="Seagle.K">
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb2312">
<SCRIPT LANGUAGE="JavaScript">
function convert()
{
var str = document.conv.str.value;
var result = "";
for(var i = 0 ; i < str.length ; i++)
{
c = str.charAt(i);
if ((' ' <= c && c <= '~') || (c == '\r') || (c == '\n'))
{
if (c == '&')
{
cstr = "&";
} else if(c == '<')
{
cstr = "<";
} else if (c == '>')
{
cstr = ">";
} else
{
cstr = c.toString();
}
} else
{
cstr = "&#" + c.charCodeAt().toString() + ";";
}
result = result + cstr;
}
document.conv.result.value = result;
document.conv.result.focus();
document.conv.result.select();
return 0;
}
</SCRIPT>
<STYLE TYPE="text/css">
</STYLE>
</HEAD>
<BODY>
<form action="/" id="conv" name="conv">
<table border="1">
<CAPTION VALIGN=TOP>多字节字符的HTML实体编码</CAPTION>
<tr>
<th>源字符</th>
<td><textarea id="str" cols="80" rows="10" onchange="convert();" onblur="convert();"></textarea></td>
</tr>
<tr>
<th>实体转换</th>
<td><textarea id="result" cols="80" rows="10" readonly></textarea><br /></td>
</tr>
<tr>
<td colspan="2"><input type="button" value="转换" onclick="convert();" onkeypress="convert" />
<input type="reset" value="取消" /></td>
</tr>
</table>
</form>
</BODY>
</HTML>
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