获取验证码的逻辑

service-verificationcode/pom.xml

@@ -23,6 +23,7 @@
             <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
             <version>2021.1</version>
         </dependency>
+
     </dependencies>
 
     <properties>

service-verificationcode/src/main/java/com/mashibing/controller/NumberCodeController.java

@@ -0,0 +1,28 @@
+package com.mashibing.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author kezhen
+ * @date 2023/7/12
+ * @description
+ */
+@RestController
+public class NumberCodeController {
+
+    @GetMapping("/numberCode/{size}")
+    public String numberCode(@PathVariable("size") int size) {
+        System.out.println("size = " + size);
+
+        // 获取随机数生成验证码
+        double mathRandom = (Math.random() * 9 + 1) * (Math.pow(10, size - 1));
+        System.out.println("mathRandom = " + mathRandom);
+        int resultInt = (int) mathRandom;
+        System.out.println("resultInt = " + resultInt);
+
+        return Integer.toString(resultInt);
+    }
+
+}