From e729a924d4b2003f080edbec2455b4e7a1eb5d1e Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期三, 21 十二月 2022 10:41:32 +0800
Subject: [PATCH] update 优化 验证码结果使用spel引擎自动计算
---
ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java | 28 +++++++++-------------------
1 files changed, 9 insertions(+), 19 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
index 94630e2..795359c 100644
--- 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
@@ -3,7 +3,6 @@
import cn.dev33.satoken.annotation.SaIgnore;
import cn.hutool.captcha.AbstractCaptcha;
import cn.hutool.captcha.generator.CodeGenerator;
-import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.RandomUtil;
import com.ruoyi.common.constant.CacheConstants;
@@ -21,6 +20,9 @@
import com.ruoyi.system.service.ISysConfigService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
+import org.springframework.expression.Expression;
+import org.springframework.expression.ExpressionParser;
+import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@@ -95,28 +97,16 @@
AbstractCaptcha captcha = SpringUtils.getBean(captchaProperties.getCategory().getClazz());
captcha.setGenerator(codeGenerator);
captcha.createCode();
- String code = isMath ? getCodeResult(captcha.getCode()) : captcha.getCode();
+ String code = captcha.getCode();
+ if (isMath) {
+ ExpressionParser parser = new SpelExpressionParser();
+ Expression exp = parser.parseExpression(StringUtils.remove(code, "="));
+ code = exp.getValue(String.class);
+ }
RedisUtils.setCacheObject(verifyKey, code, Duration.ofMinutes(Constants.CAPTCHA_EXPIRATION));
ajax.put("uuid", uuid);
ajax.put("img", captcha.getImageBase64());
return R.ok(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;
- }
}
}
--
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