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uni-im示例/uni_modules/uni-im/common/toFriendlyTime.js

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+export default function toFriendlyTime(timestamp) {
+  const now = new Date();
+  const date = new Date(timestamp);
+  const secondsAgo = Math.floor((now - date) / 1000);
+
+  // 判断是否在今天
+  if (date.getDate() === now.getDate() && date.getMonth() === now.getMonth() && date.getFullYear() === now.getFullYear()) {
+    // 小于1分钟，显示刚刚
+    if (secondsAgo < 60) {
+      return '刚刚';
+    }
+
+    // 大于1分钟小于60分钟，显示具体几分钟前
+    if (secondsAgo < 60 * 60) {
+      const minutes = Math.floor(secondsAgo / 60);
+      return `${minutes}分钟前`;
+    }
+
+    // 大于60分钟小于2小时，显示具体几小时+分钟前
+    if (secondsAgo < 60 * 60 * 2) {
+      const hours = Math.floor(secondsAgo / (60 * 60));
+      const minutes = Math.floor((secondsAgo - hours * 60 * 60) / 60);
+      return `${hours}小时 ${minutes}分钟前`;
+    }
+
+    // 超过2小时，显示具体的几点几分
+    const ampm = date.getHours() >= 12 ? '下午' : '上午';
+    const hour = date.getHours() % 12 || 12;
+    const minute = date.getMinutes().toString().padStart(2, '0');
+    return `${ampm} ${hour}:${minute}`;
+  }
+
+  // 不在今天，判断是否在两天内
+  const oneDayMs = 24 * 60 * 60 * 1000;
+  if (now - date < oneDayMs * 2) {
+    if (date.getDate() === now.getDate() - 1 && date.getMonth() === now.getMonth() && date.getFullYear() === now.getFullYear()) {
+      // 昨天
+      const ampm = date.getHours() >= 12 ? '下午' : '上午';
+      const hour = date.getHours() % 12 || 12;
+      const minute = date.getMinutes().toString().padStart(2, '0');
+      return `昨天 ${ampm} ${hour}:${minute}`;
+    } else {
+      // 前天
+      const ampm = date.getHours() >= 12 ? '下午' : '上午';
+      const hour = date.getHours() % 12 || 12;
+      const minute = date.getMinutes().toString().padStart(2, '0');
+      return `前天 ${ampm} ${hour}:${minute}`;
+    }
+  }
+
+  // 不在两天内，判断是否在同一周
+  const oneWeekMs = oneDayMs * 7;
+  const diffMs = now - date;
+  if (diffMs < oneWeekMs) {
+    const days = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
+    const ampm = date.getHours() >= 12 ? '下午' : '上午';
+    const hour = date.getHours() % 12 || 12;
+    const minute = date.getMinutes().toString().padStart(2, '0');
+    return `${days[date.getDay()]} ${ampm} ${hour}:${minute}`;
+  }
+
+  // 不在同一周，显示具体年月日+时间
+  const year = date.getFullYear();
+  const month = (date.getMonth() + 1).toString().padStart(2, '0');
+  const day = date.getDate().toString().padStart(2, '0');
+  const ampm = date.getHours() >= 12 ? '下午' : '上午';
+  const hour = date.getHours() % 12 || 12;
+  const minute = date.getMinutes().toString().padStart(2, '0');
+  return `${year}-${month}-${day} ${ampm} ${hour}:${minute}`;
+}