ADD file via upload

flower_back/src/main/java/com/example/flower/controller/CaptureController.java

@@ -0,0 +1,33 @@
+package com.example.flower.controller;
+
+import com.example.flower.config.CaptureConfig;
+import com.wf.captcha.ArithmeticCaptcha;
+import com.wf.captcha.SpecCaptcha;
+import com.wf.captcha.base.Captcha;
+import com.wf.captcha.utils.CaptchaUtil;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@CrossOrigin
+@RestController
+@RequestMapping
+public class CaptureController {
+
+    @RequestMapping("/captcha")
+    public void captcha(@RequestParam String key, HttpServletRequest request, HttpServletResponse response) throws Exception {
+//        // png类型
+        SpecCaptcha captcha = new SpecCaptcha(135, 33, 4);
+        captcha.setCharType(Captcha.TYPE_NUM_AND_UPPER);
+        CaptureConfig.CAPTURE_MAP.put(key, captcha.text().toLowerCase());
+        CaptchaUtil.out(captcha, request, response);
+
+        // 算术类型
+//        ArithmeticCaptcha captcha = new ArithmeticCaptcha(135, 33);
+//        captcha.setLen(4);  // 几位数运算，默认是两位
+//        captcha.getArithmeticString();  // 获取运算的公式：3+2=?
+//        captcha.text();  // 获取运算的结果：5
+//        CaptchaUtil.out(captcha, request, response);
+    }
+}