新建分支

src/main/java/com/chaozhanggui/system/cashierservice/util/CacheMap.java

@@ -0,0 +1,10 @@
+package com.chaozhanggui.system.cashierservice.util;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public interface CacheMap {
+	Map<String,String> map = new HashMap(){{
+			put("sign","1");
+	}};
+}

src/main/java/com/chaozhanggui/system/cashierservice/util/WiningUtil.java

@@ -0,0 +1,50 @@
+package com.chaozhanggui.system.cashierservice.util;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Random;
+
+public class WiningUtil {
+    private List<String> participants;
+    private Random random;
+
+    public WiningUtil(List<String> participants) {
+        this.participants = participants;
+        this.random = new Random();
+    }
+
+    public String drawWinner() {
+        if (participants.isEmpty()) {
+            return "No participants to draw from";
+        }
+
+        int index = random.nextInt(participants.size());
+        return participants.get(index);
+    }
+
+    public static void main(String[] args) {
+        // 参与抽奖的人员名单
+        List<String> participants = new ArrayList<>();
+        participants.add("Alice");
+        participants.add("Bob");
+        participants.add("Charlie");
+        participants.add("David");
+        participants.add("Eve");
+
+        // 创建抽奖对象
+        WiningUtil winingUtil = new WiningUtil(participants);
+
+        // 进行抽奖
+        String winner = winingUtil.drawWinner();
+        System.out.println("Winner: " + winner);
+    }
+    public static boolean winingresult(){
+
+        return false;
+    }
+}