pvp刷新规则，区段没有人时刷前后一名

game-server/app/services/redisService.ts

@@ -127,6 +127,14 @@ export async function getMyRank(key: string, serverId: number, roleId: string) {
     return myRank + 1;
 }
 
+// 获取排名第几名的信息
+export async function getFieldByRank(key: string, serverId: number, rank: number) {
+    const client: Redis.RedisClient = pinus.app.get('redis');
+    let myRank = await client.zrevrangeAsync(getKeyName(key, serverId), rank - 1, rank - 1);
+    console.log('****', JSON.stringify(myRank))
+    return myRank;
+}
+
 // 有序排行综合时间和得分排序
 function encodeScoreWithTime(score: number, timestamp: number): number {
     // value = score * Math.power(10, 14) + max_time - timestamp