更新大理市民卡app
diff --git a/uview-ui/libs/function/timeFrom.js b/uview-ui/libs/function/timeFrom.js
new file mode 100644
index 0000000..52d858e
--- /dev/null
+++ b/uview-ui/libs/function/timeFrom.js
@@ -0,0 +1,46 @@
+import timeFormat from '../../libs/function/timeFormat.js';
+
+/**
+ * 时间戳转为多久之前
+ * @param String timestamp 时间戳
+ * @param String | Boolean format 如果为时间格式字符串,超出一定时间范围,返回固定的时间格式;
+ * 如果为布尔值false,无论什么时间,都返回多久以前的格式
+ */
+function timeFrom(timestamp = null, format = 'yyyy-mm-dd') {
+	if (timestamp == null) timestamp = Number(new Date());
+	timestamp = parseInt(timestamp);
+	// 判断用户输入的时间戳是秒还是毫秒,一般前端js获取的时间戳是毫秒(13位),后端传过来的为秒(10位)
+	if (timestamp.toString().length == 10) timestamp *= 1000;
+	var timer = (new Date()).getTime() - timestamp;
+	timer = parseInt(timer / 1000);
+	// 如果小于5分钟,则返回"刚刚",其他以此类推
+	let tips = '';
+	switch (true) {
+		case timer < 300:
+			tips = '刚刚';
+			break;
+		case timer >= 300 && timer < 3600:
+			tips = parseInt(timer / 60) + '分钟前';
+			break;
+		case timer >= 3600 && timer < 86400:
+			tips = parseInt(timer / 3600) + '小时前';
+			break;
+		case timer >= 86400 && timer < 2592000:
+			tips = parseInt(timer / 86400) + '天前';
+			break;
+		default:
+			// 如果format为false,则无论什么时间戳,都显示xx之前
+			if(format === false) {
+				if(timer >= 2592000 && timer < 365 * 86400) {
+					tips = parseInt(timer / (86400 * 30)) + '个月前';
+				} else {
+					tips = parseInt(timer / (86400 * 365)) + '年前';
+				}
+			} else {
+				tips = timeFormat(timestamp, format);
+			}
+	}
+	return tips;
+}
+
+export default timeFrom;