From 3d261331e05d536a9724cb13a73adbab5577d8f7 Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Tue, 20 Feb 2024 14:50:19 +0800
Subject: [PATCH] 注释细节微调

---
 common/Tools.js |  216 ++++++++++++++++++++++++++++++++---------------------
 1 files changed, 130 insertions(+), 86 deletions(-)

diff --git a/common/Tools.js b/common/Tools.js
index 6e240f6..251ef03 100644
--- a/common/Tools.js
+++ b/common/Tools.js
@@ -1,5 +1,5 @@
 /**
- * Tools
+ * Tools - 工具集
  * @author Tevin
  */
 
@@ -9,12 +9,31 @@
 export class Tools {
 
     /**
+     * 显示消息
+     * @param msg
+     * @param [duration=2000]
+     * @param [mask=false]
+     */
+    static toast(msg, duration = 2000, mask = false) {
+        Taro.showToast({
+            title: msg,
+            icon: 'none',
+            mask,
+            duration,
+        });
+    }
+
+    /**
      * URL参数解析
      * @param {String} name
      * @param {String} [search]
      * @return {String|Null}
      */
-    static getUrlParam(name, search = window.location.search) {
+    static getUrlParam(name, search) {
+        if (process.env.TARO_ENV === 'weapp') {
+            return null;
+        }
+        search = search || window.location.search;
         const reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i');
         const r = search.substr(1).match(reg);
         if (r !== null) {
@@ -22,46 +41,6 @@
         } else {
             return null;
         }
-    }
-
-    /**
-     * 深度获取 url 参数
-     * @param {String} name
-     * @return {String}
-     */
-    static getTopUrlParam(name) {
-        if (window.top !== window) {
-            return Tools.getUrlParam(name, window.top.location.search);
-        } else {
-            return Tools.getUrlParam(name);
-        }
-    }
-
-    /**
-     * 显示消息
-     * @param msg
-     */
-    static toast(msg) {
-        Taro.showToast({
-            title: msg,
-            icon: 'none',
-            mask: true,
-            duration: 2000,
-        });
-    }
-
-    /**
-     * 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);
-        });
     }
 
     /**
@@ -74,6 +53,22 @@
                 v = c === 'x' ? r : ((r & 0x3) | 0x8);
             return v.toString(16);
         });
+    }
+
+    /**
+     * 获取随机字符串
+     * @param {number} long
+     * @return {string}
+     */
+    static getRandomString(long) {
+        long = long || 32;
+        const template = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678';
+        const count = template.length;
+        let result = '';
+        for (let i = 0; i < long; i++) {
+            result += template.charAt(Math.floor(Math.random() * count));
+        }
+        return result;
     }
 
     /**
@@ -131,12 +126,21 @@
     }
 
     /**
+     * 判断是否为未定义
+     * @param {*} data
+     * @return {Boolean}
+     */
+    static isUndefined(data) {
+        return Object.prototype.toString.call(data) === '[object Undefined]';
+    }
+
+    /**
      * 判断是否为 null
      * @param {*} data
      * @return {Boolean}
      */
     static isNull(data) {
-        return data === null;
+        return Object.prototype.toString.call(data) === '[object Null]';
     }
 
     /**
@@ -176,33 +180,6 @@
         }
         return true;
     }
-
-    // static getObjDataByPath(obj, path) {
-    //     const arr = path.split('.');
-    //     const reg2 = /\[(.*)]/g;
-    //     const reg4 = /\w+(?=\[)|(?<=\[)(.*?)(?=])/g;
-    //     let stack = [];
-    //     let temp;
-    //     arr.forEach(item => {
-    //         if (reg2.test(item)) {
-    //             while ((temp = reg4.exec(item))) {
-    //                 stack.push(temp[0]);
-    //             }
-    //         } else {
-    //             stack.push(item);
-    //         }
-    //     });
-    //     stack = stack.map(item => {
-    //         return item.replace(/^['"`]|['"`]$/g, '');
-    //     });
-    //     try {
-    //         return stack.reduce((pre, next) => {
-    //             return pre[next];
-    //         }, obj);
-    //     } catch (err) {
-    //         return undefined;
-    //     }
-    // }
 
     /**
      * 统计字符串占位宽度
@@ -332,12 +309,20 @@
     /**
      * 数组元素交换位置
      * @param {array} arr 数组
-     * @param {number} index1 要交换项目的位置
-     * @param {number} index2 被交换项目的位置
-     * @tutorial 例如:1,5就是数组中下标为1和5的两个元素交换位置
+     * @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, index1, index2) {
-        arr[index1] = arr.splice(index2, 1, arr[index1])[0];
+    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;
     }
 
@@ -355,7 +340,16 @@
         if (Tools.isString(timestamp)) {
             // 全数值
             if (/^\d+$/.test(timestamp)) {
-                timestamp = parseInt(timestamp);
+                // 8位视为无连接符日期
+                if (timestamp.length === 8) {
+                    const day = timestamp.substr(0, 4) + '-' +
+                        timestamp.substr(4, 2) + '-' + timestamp.substr(6, 2);
+                    timestamp = (new Date(timestamp)).getTime();
+                }
+                // 超过8位,视为时间戳
+                else if (timestamp.length > 8) {
+                    timestamp = parseInt(timestamp);
+                }
             }
             // 日期
             else {
@@ -365,8 +359,28 @@
                 }
             }
         }
-        if (timestamp < 9 * 10e8) {
+        // 数值转换:8位整型日期 转 时间戳
+        if (timestamp < 9 * 10e6) {
+            const timeStr = timestamp + '';
+            const dateStr = timeStr.slice(0, 4) + '-' + timeStr.slice(4, 6) + '-' + timeStr.slice(6);
+            if (type === 'date') {
+                return dateStr;
+            }
+            timestamp = (new Date(dateStr)).getTime();
+        }
+        // 数值转换:时间戳 秒 转 毫秒
+        else if (timestamp < 9 * 10e8) {
             timestamp *= 1000;
+        }
+        // 数值转换:14位整型日期 转 时间戳
+        else if (/^2[012]\d{2}[01]\d[0123]\d[012]\d[0-5]\d[0-5]\d/.test(timestamp + '')) {
+            const timeStr = timestamp + '';
+            const dateStr = timeStr.slice(0, 4) + '-' + timeStr.slice(4, 6) + '-' + timeStr.slice(6, 8)
+                + ' ' + timeStr.slice(8, 10) + ':' + timeStr.slice(10, 12) + ':' + timeStr.slice(12, 14);
+            if (type === 'dateTimeFull') {
+                return dateStr;
+            }
+            timestamp = (new Date(dateStr)).getTime();
         }
         const curMoment = moment(timestamp);
         if (type === 'date') {
@@ -399,7 +413,7 @@
         if (minutes) {
             words = minutes + '分' + words;
         }
-        const hours = duration.get('hours');
+        const hours = parseInt(duration.as('hours'));
         if (hours) {
             words = hours + '小时' + words;
         }
@@ -412,16 +426,13 @@
      * @return {string}
      */
     static moneyFormat(number) {
-        if (typeof number !== 'number' && !number) {
+        if (!number && typeof number !== 'number' && typeof number !== 'string') {
             return '';
         }
         if (typeof number === 'string') {
-            number = parseInt(number) || 0;
+            number = Number(number) || 0;
         }
-        const numFixed = number.toFixed(2);
-        const integer = parseInt(numFixed);
-        const decimal = numFixed.split('.')[1];
-        return integer.toLocaleString() + '.' + decimal;
+        return number.toFixed(2);
     }
 
     /**
@@ -475,7 +486,7 @@
     /**
      * 求小数点后的数据长度
      * @param {Number|String} num
-     * @private
+     * @return {Number}
      */
     static getDecimalLength(num) {
         let t = 0;
@@ -495,5 +506,38 @@
         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');
+    }
 
-}
\ No newline at end of file
+}
+
+// h5 中,实现 rem 转换 px
+if (process.env.NODE_ENV === 'development' && process.env.TARO_ENV === 'h5') {
+    window.rem = val => {
+        const p1 = {
+            x: parseFloat(Taro.pxTransform(10, 750)), y: 10,
+        };
+        const p2 = {
+            x: parseFloat(Taro.pxTransform(1000, 750)), y: 1000,
+        };
+        const value = typeof val === 'number' ? val : parseFloat(val);
+        const px = (value - p1.x) * (p2.y - p1.y) / (p2.x - p1.x) + p1.y;
+        console.info(Math.round(px) + 'px');
+    };
+}
+
+global.Tools = Tools;
\ No newline at end of file

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