From 939d89f0b84cca9154f3f219b31a880de733d839 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期六, 20 三月 2021 10:14:03 +0800
Subject: [PATCH] !10 [BUG] 解决只能使用circle干扰的bug Merge pull request !10 from wugh/hotfix/captcha

---
 ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java |  185 +++++++++++++++++++++++----------------------
 1 files changed, 94 insertions(+), 91 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 4ba07d8..48e4e4e 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
@@ -1,23 +1,25 @@
 package com.ruoyi.web.controller.common;
 
-import java.util.concurrent.TimeUnit;
-
-import cn.hutool.captcha.*;
+import cn.hutool.captcha.AbstractCaptcha;
+import cn.hutool.captcha.CircleCaptcha;
+import cn.hutool.captcha.LineCaptcha;
+import cn.hutool.captcha.ShearCaptcha;
 import cn.hutool.captcha.generator.CodeGenerator;
 import cn.hutool.captcha.generator.MathGenerator;
 import cn.hutool.captcha.generator.RandomGenerator;
 import cn.hutool.core.convert.Convert;
 import cn.hutool.core.util.IdUtil;
 import cn.hutool.core.util.StrUtil;
+import com.ruoyi.common.constant.Constants;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.core.redis.RedisCache;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
-import com.ruoyi.common.constant.Constants;
-import com.ruoyi.common.core.domain.AjaxResult;
-import com.ruoyi.common.core.redis.RedisCache;
 
 import javax.annotation.Resource;
+import java.util.concurrent.TimeUnit;
 
 /**
  * 楠岃瘉鐮佹搷浣滃鐞�
@@ -27,94 +29,95 @@
 @RestController
 public class CaptchaController {
 
-    // 鍦嗗湀骞叉壈楠岃瘉鐮�
-    @Resource(name = "CircleCaptcha")
-    private CircleCaptcha circleCaptcha;
-    // 绾挎骞叉壈鐨勯獙璇佺爜
-    @Resource(name = "LineCaptcha")
-    private LineCaptcha lineCaptcha;
-    // 鎵洸骞叉壈楠岃瘉鐮�
-    @Resource(name = "ShearCaptcha")
-    private ShearCaptcha shearCaptcha;
+	// 鍦嗗湀骞叉壈楠岃瘉鐮�
+	@Resource(name = "CircleCaptcha")
+	private CircleCaptcha circleCaptcha;
+	// 绾挎骞叉壈鐨勯獙璇佺爜
+	@Resource(name = "LineCaptcha")
+	private LineCaptcha lineCaptcha;
+	// 鎵洸骞叉壈楠岃瘉鐮�
+	@Resource(name = "ShearCaptcha")
+	private ShearCaptcha shearCaptcha;
 
-    @Autowired
-    private RedisCache redisCache;
+	@Autowired
+	private RedisCache redisCache;
 
-    // 楠岃瘉鐮佺被鍨�
-    @Value("${captcha.captchaType}")
-    private String captchaType;
-    // 楠岃瘉鐮佺被鍒�
-    @Value("${captcha.captchaCategory}")
-    private String captchaCategory;
-    // 鏁板瓧楠岃瘉鐮佷綅鏁�
-    @Value("${captcha.captchaNumberLength}")
-    private int numberLength;
-    // 瀛楃楠岃瘉鐮侀暱搴�
-    @Value("${captcha.captchaCharLength}")
-    private int charLength;
+	// 楠岃瘉鐮佺被鍨�
+	@Value("${captcha.captchaType}")
+	private String captchaType;
+	// 楠岃瘉鐮佺被鍒�
+	@Value("${captcha.captchaCategory}")
+	private String captchaCategory;
+	// 鏁板瓧楠岃瘉鐮佷綅鏁�
+	@Value("${captcha.captchaNumberLength}")
+	private int numberLength;
+	// 瀛楃楠岃瘉鐮侀暱搴�
+	@Value("${captcha.captchaCharLength}")
+	private int charLength;
 
-    /**
-     * 鐢熸垚楠岃瘉鐮�
-     */
-    @GetMapping("/captchaImage")
-    public AjaxResult getCode() {
-        // 淇濆瓨楠岃瘉鐮佷俊鎭�
-        String uuid = IdUtil.simpleUUID();
-        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
-        String capStr = null, code = null;
-        // 鐢熸垚楠岃瘉鐮�
-        CodeGenerator codeGenerator;
-        if ("math".equals(captchaType)) {
-            codeGenerator = new MathGenerator(numberLength);
-        } else if ("char".equals(captchaType)) {
-            codeGenerator = new RandomGenerator(charLength);
-        } else {
-            throw new IllegalArgumentException("楠岃瘉鐮佺被鍨嬪紓甯�");
-        }
-        if ("line".equals(captchaCategory)) {
-            lineCaptcha.setGenerator(codeGenerator);
-            lineCaptcha.createCode();
-            capStr = lineCaptcha.getCode();
-        } else if ("circle".equals(captchaCategory)) {
-            circleCaptcha.setGenerator(codeGenerator);
-            circleCaptcha.createCode();
-            capStr = circleCaptcha.getCode();
-        } else if ("shear".equals(captchaCategory)) {
-            shearCaptcha.setGenerator(codeGenerator);
-            shearCaptcha.createCode();
-            capStr = shearCaptcha.getCode();
-        }  else {
-            throw new IllegalArgumentException("楠岃瘉鐮佺被鍒紓甯�");
-        }
-        if ("math".equals(captchaType)) {
-            code = getCodeResult(capStr);
-        } else if ("char".equals(captchaType)) {
-            code = capStr;
-        }
+	/**
+	 * 鐢熸垚楠岃瘉鐮�
+	 */
+	@GetMapping("/captchaImage")
+	public AjaxResult getCode() {
+		// 淇濆瓨楠岃瘉鐮佷俊鎭�
+		String uuid = IdUtil.simpleUUID();
+		String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
+		String code = null;
+		// 鐢熸垚楠岃瘉鐮�
+		CodeGenerator codeGenerator;
+		AbstractCaptcha captcha;
+		switch (captchaType) {
+			case "math":
+				codeGenerator = new MathGenerator(numberLength);
+				break;
+			case "char":
+				codeGenerator = new RandomGenerator(charLength);
+				break;
+			default:
+				throw new IllegalArgumentException("楠岃瘉鐮佺被鍨嬪紓甯�");
+		}
+		switch (captchaCategory) {
+			case "line":
+				captcha = lineCaptcha;
+				break;
+			case "circle":
+				captcha = circleCaptcha;
+				break;
+			case "shear":
+				captcha = shearCaptcha;
+				break;
+			default:
+				throw new IllegalArgumentException("楠岃瘉鐮佺被鍒紓甯�");
+		}
+		captcha.setGenerator(codeGenerator);
+		captcha.createCode();
+		if ("math".equals(captchaType)) {
+			code = getCodeResult(captcha.getCode());
+		} else if ("char".equals(captchaType)) {
+			code = captcha.getCode();
+		}
+		redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
+		AjaxResult ajax = AjaxResult.success();
+		ajax.put("uuid", uuid);
+		ajax.put("img", captcha.getImageBase64());
+		return ajax;
+	}
 
-        redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
-
-        circleCaptcha.createImage(capStr);
-        AjaxResult ajax = AjaxResult.success();
-        ajax.put("uuid", uuid);
-        ajax.put("img", circleCaptcha.getImageBase64());
-        return ajax;
-    }
-
-    private String getCodeResult(String capStr) {
-        int a = Convert.toInt(StrUtil.sub(capStr, 0, numberLength).trim());
-        char operator = capStr.charAt(numberLength);
-        int b = Convert.toInt(StrUtil.sub(capStr, numberLength + 1, numberLength + 1 + numberLength).trim());
-        switch (operator) {
-            case '*':
-                return a * b + "";
-            case '+':
-                return a + b + "";
-            case '-':
-                return a - b + "";
-            default:
-                return "";
-        }
-    }
+	private String getCodeResult(String capStr) {
+		int a = Convert.toInt(StrUtil.sub(capStr, 0, numberLength).trim());
+		char operator = capStr.charAt(numberLength);
+		int b = Convert.toInt(StrUtil.sub(capStr, numberLength + 1, numberLength + 1 + numberLength).trim());
+		switch (operator) {
+			case '*':
+				return a * b + "";
+			case '+':
+				return a + b + "";
+			case '-':
+				return a - b + "";
+			default:
+				return "";
+		}
+	}
 
 }

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