From fdf651a9d42918f3be8374ed4f239ebe26d0a749 Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Mon, 13 Nov 2023 17:48:31 +0800
Subject: [PATCH] 文案微调

---
 common/Tools.js |   87 +++++++++++++++++++++----------------------
 1 files changed, 42 insertions(+), 45 deletions(-)

diff --git a/common/Tools.js b/common/Tools.js
index 3fbb8a8..e70b7ad 100644
--- a/common/Tools.js
+++ b/common/Tools.js
@@ -1,5 +1,5 @@
 /**
- * Tools
+ * Tools - 工具集
  * @author Tevin
  */
 
@@ -44,20 +44,6 @@
     }
 
     /**
-     * 读取文件 base64
-     * @param {File} file
-     * @return {Promise<string>}
-     */
-    static getFileBase64(file) {
-        return new Promise((resolve, reject) => {
-            const reader = new FileReader();
-            reader.onload = () => resolve(reader.result);
-            reader.onerror = error => reject(error);
-            reader.readAsDataURL(file);
-        });
-    }
-
-    /**
      * 生成 GUID
      * @return {string}
      */
@@ -83,34 +69,6 @@
             result += template.charAt(Math.floor(Math.random() * count));
         }
         return result;
-    }
-
-    /**
-     * 检查网络状态
-     */
-    static checkOnlineState(callback) {
-        // 网页模式
-        if (process.env.TARO_ENV === 'h5') {
-            // 网络已开启
-            if (navigator.onLine) {
-                // 用图片资源测试网络状态
-                const img = new Image();
-                img.onload = () => {
-                    img.onload = null;
-                    callback && callback(true);
-                };
-                img.onerror = () => {
-                    img.onerror = null;
-                    callback && callback(false);
-                };
-                img.src = 'http://gz.zhiheiot.com/disp/download/buildArchive/online.png?t=' + Date.now();
-            }
-            // 网络未开启
-            else {
-                callback && callback(false);
-            }
-        }
-        // 补充:小程序模式用 getNetworkType
     }
 
     /**
@@ -349,6 +307,26 @@
     }
 
     /**
+     * 数组元素交换位置
+     * @param {array} arr 数组
+     * @param {number} fromIndex 要交换项目的位置
+     * @param {number} toIndex 被交换项目的位置
+     */
+    static swapArray(arr, fromIndex, toIndex) {
+        // 先在目标位置新增一个和当前元素一样的元素,再把当前元素删除掉
+        arr.splice(toIndex, 0, arr[fromIndex]);
+        // 如果拖动元素上移动,当前元素下标为 fromIndex+1
+        if (fromIndex > toIndex) {
+            arr.splice(fromIndex + 1, 1);
+        }
+        // 如果拖动元素下移,当前元素下标还是 fromIndex
+        else {
+            arr.splice(fromIndex, 1);
+        }
+        return arr;
+    }
+
+    /**
      * 使用 moment.js 格式化时间戳
      * @param {Number|String} timestamp
      * @param {String} [type='date']
@@ -496,7 +474,7 @@
     /**
      * 求小数点后的数据长度
      * @param {Number|String} num
-     * @private
+     * @return {Number}
      */
     static getDecimalLength(num) {
         let t = 0;
@@ -516,6 +494,23 @@
         return /^1[3456789]\d{9}$/.test('' + phone);
     }
 
+    /**
+     * 转换周数到日期
+     * @param {Number} year
+     * @param {Number} week
+     * @param {Number} weekDay 需要输出星期几对应的日期 (1~7)
+     * @return {String}
+     */
+    static transWeekIndexToDate(year, week, weekDay) {
+        const yearStart = moment([year, 0, 1]);
+        const dayLong = 24 * 60 * 60 * 1000;
+        const firstWeekLong = (7 - yearStart.day()) * dayLong;
+        const weeksLong = (week - 1) * 7 * dayLong;
+        const weekDayLong = weekDay * dayLong;
+        const dayTimestamp = yearStart.valueOf() + firstWeekLong + weeksLong + weekDayLong;
+        return moment(dayTimestamp).format('YYYY-MM-DD');
+    }
+
 }
 
 // h5 中,实现 rem 转换 px
@@ -531,4 +526,6 @@
         const px = (value - p1.x) * (p2.y - p1.y) / (p2.x - p1.x) + p1.y;
         console.info(Math.round(px) + 'px');
     };
-}
\ No newline at end of file
+}
+
+global.Tools = Tools;
\ No newline at end of file

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