探讨PHP GD库实现中文水印的方法_PHP教程

<ol class="dp-xml"><li class="alt"><span><span class="tag"><</span><span> ?php   </span></span></li><li><span>Header("Content-type: image/png");   </span></li><li class="alt"><span>/*通知浏览器,要输出图像*/   </span></li><li><span>$</span><span class="attribute">im</span><span> = </span><span class="attribute-value">imagecreate</span><span>(400 , 300);   </span></li><li class="alt"><span>/*定义图像的大小*/   </span></li><li><span>$</span><span class="attribute">gray</span><span> = </span><span class="attribute-value">ImageColorAllocate</span><span>($im , 235 , 235 , 235);   </span></li><li class="alt"><span>$</span><span class="attribute">pink</span><span> = </span><span class="attribute-value">ImageColorAllocate</span><span>($im, 255 , 128 , 255);   </span></li><li><span>/*   </span></li><li class="alt"><span>$</span><span class="attribute">fontfile</span><span> = </span><span class="attribute-value">"C:WINDOWSFontsSIMHEI.TTF"</span><span>;   </span></li><li><span>不好意思,这句老是粘上后一提交就丢了,不知道是怎么回事<br />,想测试的朋友们将注释去了现测试吧   </span></li><li class="alt"><span>*/   </span></li><li><span>/* $fontfile 字体的路径,视操作系统而定,可以是 <br />simhei.ttf(黑体) , SIMKAI.TTF(楷体) , <br />SIMFANG.TTF(仿宋) ,SIMSUN.TTC(宋体&新宋体) <br />等 GD 支持的中文字体*/   </span></li><li class="alt"><span>$</span><span class="attribute">str</span><span> = </span><span class="attribute-value">iconv</span><span>('GB2312','UTF-8','中文水印!!!');   </span></li><li><span>/*将 gb2312 的字符集转换成 UTF-8 的字符*/   </span></li><li class="alt"><span>ImageTTFText($im, 30, 0, 50, 140, <br />$pink , $fontfile , $str);   </span></li><li><span>/* 加入中文水印 */   </span></li><li class="alt"><span>Imagepng($im);   </span></li><li><span>ImageDestroy($im);   </span></li><li class="alt"><span class="tag">?></span><span> </span></li></ol>