深圳建设网站的公司简介,展厅设计风格,怎么找客户的联系方式,风机 东莞网站建设案例实战之SortedSet⽤户积分实时榜单最佳实践
背景 ⽤户玩游戏-积分实时榜单 IT视频热销实时榜单 电商商品热销实时榜单 ⼀般的排⾏榜读多写少#xff0c;可以对 master 进⾏写⼊操作#xff0c;然后多个 slave 进⾏读取操作。如果是对象记得重写HashCode与Equals⽅法 User…案例实战之SortedSet⽤户积分实时榜单最佳实践
背景 ⽤户玩游戏-积分实时榜单 IT视频热销实时榜单 电商商品热销实时榜单 ⼀般的排⾏榜读多写少可以对 master 进⾏写⼊操作然后多个 slave 进⾏读取操作。如果是对象记得重写HashCode与Equals⽅法 UserPointVO
package net.xdclass.xdclassredis.vo;import java.util.Objects;public class UserPointVO {public UserPointVO(String username, String phone) {this.username username;this.phone phone;}private String username;private String phone;public String getUsername() {return username;}public void setUsername(String username) {this.username username;}public String getPhone() {return phone;}public void setPhone(String phone) {this.phone phone;}Overridepublic boolean equals(Object o) {if (this o) return true;if (o null || getClass() ! o.getClass()) return false;UserPointVO that (UserPointVO) o;return Objects.equals(phone, that.phone);}Overridepublic int hashCode() {return Objects.hash(phone);}
}
加入测试数据
SpringBootTest
class XdclassRedisApplicationTests {Autowiredprivate RedisTemplate redisTemplate;Testvoid testData() {UserPointVO p1 new UserPointVO(老王,13113);UserPointVO p2 new UserPointVO(老A,324);UserPointVO p3 new UserPointVO(老B,242);UserPointVO p4 new UserPointVO(老C,542345);UserPointVO p5 new UserPointVO(老D,235);UserPointVO p6 new UserPointVO(老E,1245);UserPointVO p7 new UserPointVO(老F,2356432);UserPointVO p8 new UserPointVO(老G,532332);BoundZSetOperationsString, UserPointVO operations redisTemplate.boundZSetOps(point:rank:real);operations.add(p1,324);operations.add(p2,542);operations.add(p3,52);operations.add(p4,434);operations.add(p5,1123);operations.add(p6,64);operations.add(p7,765);operations.add(p8,8);}
}
接⼝开发 返回榜单-从⼤到⼩排序 查看这个⼈的排名,从⼤到⼩0就是第⼀ 给某个⽤户加积分 查看某个⽤户的积分 import net.xdclass.xdclassredis.model.VideoDO;
import net.xdclass.xdclassredis.util.JsonData;
import net.xdclass.xdclassredis.vo.UserPointVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.BoundZSetOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;import java.util.List;
import java.util.Set;RestController
RequestMapping(api/v1/rank)
public class RankController {Autowiredprivate RedisTemplate redisTemplate;private static final String DAILY_RANK_KEY video:rank:daily;/*** 返回全部榜单从大到小* return*/RequestMapping(real_rank1)public JsonData realRank1() {BoundZSetOperationsString, UserPointVO operations redisTemplate.boundZSetOps(point:rank:real);SetUserPointVO set operations.reverseRange(0, -1);return JsonData.buildSuccess(set);}/*** 返回全部榜单从小到大* return*/RequestMapping(real_rank2)public JsonData realRank2() {BoundZSetOperationsString, UserPointVO operations redisTemplate.boundZSetOps(point:rank:real);SetUserPointVO set operations.range(0, -1);return JsonData.buildSuccess(set);}/*** 返回全部榜单从大到小,指定长度* return*/RequestMapping(real_rank3)public JsonData realRank3() {BoundZSetOperationsString, UserPointVO operations redisTemplate.boundZSetOps(point:rank:real);SetUserPointVO set operations.reverseRange(0, 3);return JsonData.buildSuccess(set);}/*** 查看某个用户的排名* param phone* param name* return*/RequestMapping(find_myrank)public JsonData realMyRank(String phone,String name) {BoundZSetOperationsString, UserPointVO operations redisTemplate.boundZSetOps(point:rank:real);UserPointVO userPointVO new UserPointVO(name,phone);long rank operations.reverseRank(userPointVO);return JsonData.buildSuccess(rank);}/*** 加积分* param phone* param name* return*/RequestMapping(uprank)public JsonData uprank(String phone,String name,int point) {BoundZSetOperationsString, UserPointVO operations redisTemplate.boundZSetOps(point:rank:real);UserPointVO userPointVO new UserPointVO(name,phone);operations.incrementScore(userPointVO,point);SetUserPointVO set operations.range(0, -1);return JsonData.buildSuccess(set);}/*** 查看个人的积分* param phone* param name* return*/RequestMapping(mypoint)public JsonData mypoint(String phone,String name) {BoundZSetOperationsString, UserPointVO operations redisTemplate.boundZSetOps(point:rank:real);UserPointVO userPointVO new UserPointVO(name,phone);double score operations.score(userPointVO);return JsonData.buildSuccess(score);}}
