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			@@ -1,86 +1,87 @@
			package com.ruoyi.web.controller.common;

			import java.awt.image.BufferedImage;
			import java.io.IOException;
			import java.util.concurrent.TimeUnit;
			import javax.annotation.Resource;
			import javax.imageio.ImageIO;
			import javax.servlet.http.HttpServletResponse;
			import org.springframework.beans.factory.annotation.Autowired;
			import org.springframework.beans.factory.annotation.Value;
			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.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;

			/**
			* 验证码操作处理
			*
			* @author ruoyi
			*/
			@RestController
			public class CaptchaController
			{
			@Resource(name = "captchaProducer")
			private Producer captchaProducer;

			@Resource(name = "captchaProducerMath")
			private Producer captchaProducerMath;

			@Autowired
			private RedisCache redisCache;

			// 验证码类型
			@Value("${ruoyi.captchaType}")
			private String captchaType;

			/**
			* 生成验证码
			*/
			@GetMapping("/captchaImage")
			public AjaxResult getCode(HttpServletResponse response) throws IOException
			{
			// 保存验证码信息
			String uuid = IdUtils.simpleUUID();
			String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;

			String capStr = null, code = null;
			BufferedImage image = null;

			// 生成验证码
			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);
			// 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;
			}
			}
			package com.ruoyi.web.controller.common;

			import cn.hutool.captcha.AbstractCaptcha;
			import cn.hutool.captcha.generator.CodeGenerator;
			import cn.hutool.core.convert.Convert;
			import cn.hutool.core.util.IdUtil;
			import com.ruoyi.common.constant.Constants;
			import com.ruoyi.common.core.domain.AjaxResult;
			import com.ruoyi.common.enums.CaptchaType;
			import com.ruoyi.common.utils.RedisUtils;
			import com.ruoyi.common.utils.StringUtils;
			import com.ruoyi.common.utils.reflect.ReflectUtils;
			import com.ruoyi.common.utils.spring.SpringUtils;
			import com.ruoyi.framework.config.properties.CaptchaProperties;
			import com.ruoyi.system.service.ISysConfigService;
			import io.swagger.annotations.Api;
			import io.swagger.annotations.ApiOperation;
			import lombok.RequiredArgsConstructor;
			import org.springframework.beans.factory.annotation.Autowired;
			import org.springframework.web.bind.annotation.GetMapping;
			import org.springframework.web.bind.annotation.RestController;

			import java.util.HashMap;
			import java.util.Map;
			import java.util.concurrent.TimeUnit;

			/**
			* 验证码操作处理
			*
			* @author Lion Li
			*/
			@Api(value = "验证码操作处理", tags = {"验证码管理"})
			@RequiredArgsConstructor(onConstructor_ = @Autowired)
			@RestController
			public class CaptchaController {

			private final CaptchaProperties captchaProperties;
			private final ISysConfigService configService;

			/**
			* 生成验证码
			*/
			@ApiOperation("生成验证码")
			@GetMapping("/captchaImage")
			public AjaxResult<Map<String, Object>> getCode() {
			Map<String, Object> ajax = new HashMap<>();
			boolean captchaOnOff = configService.selectCaptchaOnOff();
			ajax.put("captchaOnOff", captchaOnOff);
			if (!captchaOnOff) {
			return AjaxResult.success(ajax);
			}
			// 保存验证码信息
			String uuid = IdUtil.simpleUUID();
			String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
			// 生成验证码
			CaptchaType captchaType = captchaProperties.getType();
			boolean isMath = CaptchaType.MATH == captchaType;
			Integer length = isMath ? captchaProperties.getNumberLength() : captchaProperties.getCharLength();
			CodeGenerator codeGenerator = ReflectUtils.newInstance(captchaType.getClazz(), length);
			AbstractCaptcha captcha = SpringUtils.getBean(captchaProperties.getCategory().getClazz());
			captcha.setGenerator(codeGenerator);
			captcha.createCode();
			String code = isMath ? getCodeResult(captcha.getCode()) : captcha.getCode();
			RedisUtils.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
			ajax.put("uuid", uuid);
			ajax.put("img", captcha.getImageBase64());
			return AjaxResult.success(ajax);
			}

			private String getCodeResult(String capStr) {
			int numberLength = captchaProperties.getNumberLength();
			int a = Convert.toInt(StringUtils.substring(capStr, 0, numberLength).trim());
			char operator = capStr.charAt(numberLength);
			int b = Convert.toInt(StringUtils.substring(capStr, numberLength + 1, numberLength + 1 + numberLength).trim());
			switch (operator) {
			case '*':
			return Convert.toStr(a * b);
			case '+':
			return Convert.toStr(a + b);
			case '-':
			return Convert.toStr(a - b);
			default:
			return StringUtils.EMPTY;
			}
			}

			}