thewindminer 代码提交

2026-01-15 17:29:12 +08:00
parent 835f96aefe
commit befbda8534
271 changed files with 27768 additions and 0 deletions
--- a/src/main/java/com/jxy/windminer/common/utils/CodeUtils.java
+++ b/src/main/java/com/jxy/windminer/common/utils/CodeUtils.java
@@ -0,0 +1,43 @@
+package com.jxy.windminer.common.utils;
+
+import java.util.Random;
+
+/**
+ * @Description TODO
+ * @Date 2022/11/18 14:26
+ * @Author 杜懿
+ */
+public class CodeUtils {
+    //public static void main(String[] args) {
+    //    String s = creatCode(4);
+    //    //System.out.println("随机验证码为：" + s);
+    //}
+
+    //定义一个方法返回一个随机验证码
+    public static String creatCode(int n) {
+
+        String code = "";
+        Random r = new Random();
+        //2.在方法内部使用for循环生成指定位数的随机字符，并连接起来
+        for (int i = 0; i <= n; i++) {
+            //生成一个随机字符：大写 ，小写 ，数字（0  1  2）
+            int type = r.nextInt(3);
+            switch (type) {
+                case 0:
+                    char ch = (char) (r.nextInt(26) + 65);
+                    code += ch;
+                    break;
+                case 1:
+                    char ch1 = (char) (r.nextInt(26) + 97);
+                    code += ch1;
+                    break;
+                case 2:
+                    code +=  r.nextInt(10);
+                    break;
+            }
+
+        }
+        return code;
+    }
+
+}