From 0208c795499b808c762edbb3d61432410692dd6e Mon Sep 17 00:00:00 2001
From: chenhj <chenhj@lunor.cn>
Date: 星期六, 24 五月 2025 14:50:15 +0800
Subject: [PATCH] Merge pull request 'chen' (#7) from chen into master
---
ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java | 94 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 94 insertions(+), 0 deletions(-)
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java
new file mode 100644
index 0000000..d6dcf06
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java
@@ -0,0 +1,94 @@
+package com.ruoyi.web.controller.common;
+
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+import jakarta.annotation.Resource;
+import javax.imageio.ImageIO;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.util.FastByteArrayOutputStream;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.google.code.kaptcha.Producer;
+import com.ruoyi.common.config.RuoYiConfig;
+import com.ruoyi.common.constant.CacheConstants;
+import com.ruoyi.common.constant.Constants;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.core.redis.RedisCache;
+import com.ruoyi.common.utils.sign.Base64;
+import com.ruoyi.common.utils.uuid.IdUtils;
+import com.ruoyi.system.service.ISysConfigService;
+
+/**
+ * 楠岃瘉鐮佹搷浣滃鐞�
+ *
+ * @author ruoyi
+ */
+@RestController
+public class CaptchaController
+{
+ @Resource(name = "captchaProducer")
+ private Producer captchaProducer;
+
+ @Resource(name = "captchaProducerMath")
+ private Producer captchaProducerMath;
+
+ @Autowired
+ private RedisCache redisCache;
+
+ @Autowired
+ private ISysConfigService configService;
+ /**
+ * 鐢熸垚楠岃瘉鐮�
+ */
+ @GetMapping("/captchaImage")
+ public AjaxResult getCode(HttpServletResponse response) throws IOException
+ {
+ AjaxResult ajax = AjaxResult.success();
+ boolean captchaEnabled = configService.selectCaptchaEnabled();
+ ajax.put("captchaEnabled", captchaEnabled);
+ if (!captchaEnabled)
+ {
+ return ajax;
+ }
+
+ // 淇濆瓨楠岃瘉鐮佷俊鎭�
+ String uuid = IdUtils.simpleUUID();
+ String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
+
+ String capStr = null, code = null;
+ BufferedImage image = null;
+
+ // 鐢熸垚楠岃瘉鐮�
+ String captchaType = RuoYiConfig.getCaptchaType();
+ if ("math".equals(captchaType))
+ {
+ String capText = captchaProducerMath.createText();
+ capStr = capText.substring(0, capText.lastIndexOf("@"));
+ code = capText.substring(capText.lastIndexOf("@") + 1);
+ image = captchaProducerMath.createImage(capStr);
+ }
+ else if ("char".equals(captchaType))
+ {
+ capStr = code = captchaProducer.createText();
+ image = captchaProducer.createImage(capStr);
+ }
+
+ redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
+ // 杞崲娴佷俊鎭啓鍑�
+ FastByteArrayOutputStream os = new FastByteArrayOutputStream();
+ try
+ {
+ ImageIO.write(image, "jpg", os);
+ }
+ catch (IOException e)
+ {
+ return AjaxResult.error(e.getMessage());
+ }
+
+ ajax.put("uuid", uuid);
+ ajax.put("img", Base64.encode(os.toByteArray()));
+ return ajax;
+ }
+}
--
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