若依 1.0

ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/ValidateCodeService.java

@@ -0,0 +1,23 @@
+package com.ruoyi.gateway.service;
+
+import java.io.IOException;
+import com.ruoyi.common.core.exception.CaptchaException;
+import com.ruoyi.common.core.web.domain.AjaxResult;
+
+/**
+ * 验证码处理
+ * 
+ * @author ruoyi
+ */
+public interface ValidateCodeService
+{
+    /**
+     * 生成验证码
+     */
+    public AjaxResult createCapcha() throws IOException, CaptchaException;
+
+    /**
+     * 校验验证码
+     */
+    public void checkCapcha(String key, String value) throws CaptchaException;
+}

ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/impl/ValidateCodeServiceImpl.java

@@ -0,0 +1,93 @@
+package com.ruoyi.gateway.service.impl;
+
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+
+import javax.imageio.ImageIO;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.util.FastByteArrayOutputStream;
+
+import com.google.code.kaptcha.Producer;
+import com.ruoyi.common.core.constant.Constants;
+import com.ruoyi.common.core.exception.CaptchaException;
+import com.ruoyi.common.core.utils.IdUtils;
+import com.ruoyi.common.core.utils.StringUtils;
+import com.ruoyi.common.core.utils.sign.Base64;
+import com.ruoyi.common.core.web.domain.AjaxResult;
+import com.ruoyi.common.redis.service.RedisService;
+import com.ruoyi.gateway.service.ValidateCodeService;
+
+/**
+ * 验证码实现处理
+ *
+ * @author ruoyi
+ */
+@Service
+public class ValidateCodeServiceImpl implements ValidateCodeService
+{
+    @Autowired
+    private Producer producer;
+
+    @Autowired
+    private RedisService redisService;
+
+    /**
+     * 生成验证码
+     */
+    @Override
+    public AjaxResult createCapcha() throws IOException, CaptchaException
+    {
+        // 生成验证码
+        String capText = producer.createText();
+        String capStr = capText.substring(0, capText.lastIndexOf("@"));
+        String verifyCode = capText.substring(capText.lastIndexOf("@") + 1);
+        BufferedImage image = producer.createImage(capStr);
+        // 保存验证码信息
+        String uuid = IdUtils.simpleUUID();
+        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
+
+        redisService.setCacheObject(verifyKey, verifyCode, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
+        // 转换流信息写出
+        FastByteArrayOutputStream os = new FastByteArrayOutputStream();
+        try
+        {
+            ImageIO.write(image, "jpg", os);
+        }
+        catch (IOException e)
+        {
+            return AjaxResult.error(e.getMessage());
+        }
+
+        AjaxResult ajax = AjaxResult.success();
+        ajax.put("uuid", uuid);
+        ajax.put("img", Base64.encode(os.toByteArray()));
+        return ajax;
+    }
+
+    /**
+     * 校验验证码
+     */
+    @Override
+    public void checkCapcha(String code, String uuid) throws CaptchaException
+    {
+        if (StringUtils.isEmpty(code))
+        {
+            throw new CaptchaException("验证码不能为空");
+        }
+        if (StringUtils.isEmpty(uuid))
+        {
+            throw new CaptchaException("验证码已失效");
+        }
+        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
+        String captcha = redisService.getCacheObject(verifyKey);
+        redisService.deleteObject(verifyKey);
+
+        if (!code.equalsIgnoreCase(captcha))
+        {
+            throw new CaptchaException("验证码错误");
+        }
+    }
+}