感谢sadly为我们写出了在GD中输出汉字的函数,我在使用中发现此版本输出的字符串必须为纯中文,不能夹杂英文,随修改了此bug,与大家分享。
- <?
-
-
- 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);
- $ret="";
- $utf8="";
- while($gb)
- {
- if (ord(substr($gb,0,1))>127)
- {
- $this=substr($gb,0,2);
- $gb=substr($gb,2,strlen($gb));
- $utf8=u2utf8(hexdec($codetable[hexdec(bin2hex($this))-0x8080]));
- for($i=0;$i<strlen($utf8);$i+=3)
- $ret.=chr(substr($utf8,$i,3));
- }
- else
- {
- $ret.=substr($gb,0,1);
- $gb=substr($gb,1,strlen($gb));
- }
- }
- return $ret;
- }
- function u2utf8($c)
- {
- for($i=0;$i<count($c);$i++)
- $str="";
- if ($c < 0x80) {
- $str.=$c;
- }
- else if ($c < 0x800) {
- $str.=(0xC0 | $c>>6);
- $str.=(0x80 | $c & 0x3F);
- }
- else if ($c < 0x10000) {
- $str.=(0xE0 | $c>>12);
- $str.=(0x80 | $c>>6 & 0x3F);
- $str.=(0x80 | $c & 0x3F);
- }
- else if ($c < 0x200000) {
- $str.=(0xF0 | $c>>18);
- $str.=(0x80 | $c>>12 & 0x3F);
- $str.=(0x80 | $c>>6 & 0x3F);
- $str.=(0x80 | $c & 0x3F);
- }
- return $str;
- }
- Header("Content-type: image/gif");
- $im = imagecreate(300,150);
- $bkg = ImageColorAllocate($im, 0,0,0);
- $clr = ImageColorAllocate($im, 255,255,255);
- $fnt = "c:windowsfontssimsun.ttf";
-
- $str = gb2utf8("中国agun阿棍");
- ImageTTFText($im, 30, 0, 50,50, $clr, $fnt, $str);
- ImageGif($im);
- ImageDestroy($im);
- ?>
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