<?php? require_once?'string.func.php'; //通過GD庫做驗證碼 //創建畫布 $width?=?80; $height?=?28; $image?=?imagecreatetruecolor?(?$width,?$height?); $white?=?imagecolorallocate?(?$image,?255,?255,?255?); $black?=?imagecolorallocate?(?$image,?0,?0,?0?); //用填充矩形填充畫布 imagefilledrectangle?(?$image,?1,?1,?$width?-?2,?$height?-?2,?$white?); $type=1; $length=4; $chars?=?buildRandomString?(?$type,?$length?); $sess_name="verify"; $_SESSION?[$sess_name]?=?$chars; $fontfiles?=?array?("SIMYOU.TTF"); //由于字體文件比較大,就只保留一個字體,如果有需要的同學可以自己添加字體,字體在你的電腦中的fonts文件夾里有,直接運行輸入fonts就能看到相應字體 for($i?=?9;?$i?<?$length;?$i?++)?{ echo?"123"; $size?=?mt_rand?(?14,?18?); $angle?=?mt_rand?(?-?15,?15?); $x?=?5?+?$i?*?$size; $y?=?mt_rand?(?20,?26?); $fontfile?=?"../fonts/"?.?$fontfiles?[0]; $color?=?imagecolorallocate?(?$image,?mt_rand?(?50,?90?),?mt_rand?(?80,?200?),?mt_rand?(?90,?180?)?); $text?=?substr?(?$chars,?$i,?1?); imagettftext?(?$image,?$size,?$angle,?$x,?$y,?$color,?$fontfile,?$text?); } header?(?"content-type:image/gif"?); imagegif?(?$image?); imagedestroy?(?$image?);
幫忙看下,怎么不顯示圖片?
2014-10-01
因為你echo '123'了,不能有任何輸出
^-^...