20 lines
527 B
PHP
20 lines
527 B
PHP
<?php
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//GD
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//phpinfo();
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//登录验证码
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session_start();
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header("Content-type: image/png; charset=utf-8");
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//创建一个图片
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$image = imagecreate(120,30);
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//定义背景颜色
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$black = imagecolorallocate($image,255, 0, 0);//reb 000代表黑
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//定义前景颜色
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$white = imagecolorallocate($image,255, 255, 255);
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imagefill($image, 0, 0, $black );//向图片中填充背景
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$string = $_GET['img_code'];
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//把文字写到图片中
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imagestring( $image, 5, 6, 4, $string, $white);
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//生成png格式图形
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imagepng( $image ); |