93 lines
2.8 KiB
Java
93 lines
2.8 KiB
Java
package com.xy.xyaicpzs.service;
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import lombok.RequiredArgsConstructor;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Service;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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/**
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* 页面访问量统计服务
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* 使用Redis实现PV统计
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*/
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@Service
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@RequiredArgsConstructor
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public class PageViewService {
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private final RedisTemplate<String, Object> redisTemplate;
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// Redis Key前缀
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private static final String PV_TOTAL_KEY = "pv:total"; // 总PV
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private static final String PV_DAILY_KEY = "pv:daily:"; // 每日PV前缀
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private static final int MAX_DAYS = 90; // 最大保存天数
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/**
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* 增加页面访问量
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*/
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public void incrementPageView() {
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String today = LocalDate.now().format(DateTimeFormatter.ISO_DATE);
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// 增加总PV
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redisTemplate.opsForValue().increment(PV_TOTAL_KEY);
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// 增加今日总PV
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String dailyKey = PV_DAILY_KEY + today;
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redisTemplate.opsForValue().increment(dailyKey);
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// 设置过期时间为90天
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redisTemplate.expire(dailyKey, MAX_DAYS, TimeUnit.DAYS);
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}
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/**
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* 获取总PV
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*/
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public Long getTotalPageViews() {
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Object value = redisTemplate.opsForValue().get(PV_TOTAL_KEY);
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return value != null ? Long.parseLong(value.toString()) : 0L;
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}
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/**
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* 获取今日总PV
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*/
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public Long getTodayPageViews() {
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String today = LocalDate.now().format(DateTimeFormatter.ISO_DATE);
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Object value = redisTemplate.opsForValue().get(PV_DAILY_KEY + today);
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return value != null ? Long.parseLong(value.toString()) : 0L;
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}
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/**
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* 获取指定日期的PV
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* @param date 日期，格式：yyyy-MM-dd
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*/
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public Long getDailyPageViews(String date) {
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Object value = redisTemplate.opsForValue().get(PV_DAILY_KEY + date);
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return value != null ? Long.parseLong(value.toString()) : 0L;
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}
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/**
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* 根据日期范围获取PV统计（近7天/30天/90天）
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* @param days 天数，最大90天
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* @return 日期和对应PV的Map，按日期倒序排列
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*/
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public Map<String, Long> getPageViewsByDays(int days) {
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// 限制最大天数为90天
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if (days > MAX_DAYS) {
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days = MAX_DAYS;
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}
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Map<String, Long> result = new LinkedHashMap<>();
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LocalDate today = LocalDate.now();
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DateTimeFormatter formatter = DateTimeFormatter.ISO_DATE;
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for (int i = 0; i < days; i++) {
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String date = today.minusDays(i).format(formatter);
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Long pv = getDailyPageViews(date);
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result.put(date, pv);
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}
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return result;
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}
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}
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