【add】添加验证码前的干扰线

2021-04-15 12:37:43 +08:00
parent 80d27e853f
commit 2f846ba8c4
1 changed files with 4 additions and 0 deletions
@@ -117,6 +117,10 @@ public class RandImageUtil {
            // 设置字符，字符间距，上边距
            graphics.drawString(String.valueOf(resultCode.charAt(i)), (23 * i) + 8, 26);
        }
+        for(int i = 0; i < 4; i++){
+            graphics.setColor(getRandColor(0, 256));
+            graphics.drawLine(0, random.nextInt(height), width, random.nextInt(height));
+        }
        // 图象生效
        graphics.dispose();
        return image;