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画正方形!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN /TR/xhtml1/DTD/xhtml1-transitional.dtdhtml xmlns=/1999/xhtmlheadmeta http-equiv=Content-Type content=text/html; charset=utf-8 /titlecfkjb/title/headbody?phpechotable;for($i=1;$i10;$i++){echotr;for($j=1;$j10;$j++){echotd.$i.*.$j.==.$i*$j.nbspnbspnbsp./td;}echo/tr;}echo/table;?/body/html2、画乘法口诀表!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN /TR/xhtml1/DTD/xhtml1-transitional.dtdhtml xmlns=/1999/xhtmlheadmeta http-equiv=Content-Type content=text/html; charset=utf-8 /titlecfkjb/title/headbody?phpechotable;for($i=1;$i10;$i++){echotr;for($j=1;$j10;$j++){echotd.$i.*.$j.==.$i*$j.nbspnbspnbsp./td;}echo/tr;}echo/table;?/body/html3、下载图片?phpfunction GrabImage($url,$filename=){if($url==)return false;if($filename==){$ext=strrchr($url,.);if($ext!=.jpg$ext!=.gif$ext!=.png$ext!=.bmp$ext!=.swf)return false;$filename=date(dMYHis).$ext;}ob_start();readfile($url);$img=ob_get_contents();ob_end_clean();$fp=@fopen($filename,a);fwrite($fp,$img);fclose($fp);return $filename;}?htmlheadtitledownloadpicture/title/headbodyform action=getpic.php method=post input type=text name=url size=80 /input type=submit name=download value=submit /br/?phpif(isset($_POST[download]) $_POST[download]!=NULL){$img=GrabImage($_POST[url]);if($img)echopreimg src=.$img./pre;elseechodownload fail!;}?/form/body/html