Initial commit

20241208/img_code_1.php

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