feat:验证码（通用数字字母验证码）接口开发

xs-server/src/main/java/com/xiang/xservice/auth/server/controller/CaptchaImageController.java

@@ -0,0 +1,41 @@
+package com.xiang.xservice.auth.server.controller;
+
+import com.xiang.xservice.auth.service.enums.CaptchaTypeEnum;
+import com.xiang.xservice.auth.service.service.CaptchaGenerateFactory;
+import com.xiang.xservice.basic.common.resp.Result;
+import com.xiang.xservice.basic.utils.RandomCodeUtils;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Slf4j
+@RestController
+@RequiredArgsConstructor
+public class CaptchaImageController {
+
+    private final CaptchaGenerateFactory captchaGenerateFactory;
+
+    @PostMapping("/public/captchaImage")
+    public Result<String> getCaptchaImage() {
+        try {
+            String randomCode = RandomCodeUtils.getNumberRandomCode(1);
+            String captchaImage;
+            if (StringUtils.isBlank(randomCode)) {
+                captchaImage = captchaGenerateFactory.get(CaptchaTypeEnum.NORMAL_CAPTCHA_IMAGE.getType()).getCaptchaImage();
+            } else {
+                try {
+                    int i = Integer.parseInt(randomCode);
+                    captchaImage = captchaGenerateFactory.get(i).getCaptchaImage();
+                } catch (Exception e) {
+                    captchaImage = captchaGenerateFactory.get(CaptchaTypeEnum.NORMAL_CAPTCHA_IMAGE.getType()).getCaptchaImage();
+                }
+            }
+            return Result.success(captchaImage);
+        } catch (Exception e) {
+            log.error("获取验证码失败", e);
+        }
+        return Result.error();
+    }
+}

xs-service/src/main/java/com/xiang/xservice/auth/service/service/CaptchaGenerateFactory.java

@@ -23,6 +23,10 @@ public class CaptchaGenerateFactory {
         if (Objects.isNull(type)) {
             return strategies.get(CaptchaTypeEnum.NORMAL_CAPTCHA_IMAGE.getType());
         }
-        return strategies.get(type);
+        ICaptchaService captchaService = strategies.get(type);
+        if (Objects.isNull(captchaService)) {
+            return strategies.get(CaptchaTypeEnum.NORMAL_CAPTCHA_IMAGE.getType());
+        }
+        return captchaService;
     }
 }