.

src/util/CopyToClipboard.js

@@ -0,0 +1,45 @@
+/*
+ * @Author: Billy
+ * @Date: 2022-03-15 15:18:55
+ * @LastEditors: Billy
+ * @LastEditTime: 2022-03-24 14:37:08
+ * @Description: 剪切板工具
+ */
+
+/**
+ * @description 把字符串粘贴到剪切板
+ * @param {string} text 要粘贴到剪切板的文字内容
+ */
+function copyStr(text) {
+    var aux = document.createElement("input");
+    aux.setAttribute("value", text);
+    document.body.appendChild(aux);
+    aux.select();
+    document.execCommand("copy");
+    document.body.removeChild(aux);
+}
+
+/**
+ * @description 把base64格式的图片粘贴到剪切板
+ * @param {string} base64 base64格式的图片
+ */
+async function copyImgBase64(base64) {
+    if (navigator.clipboard) {
+        const imgURL = base64;
+        const data = await fetch(imgURL);
+        const blob = await data.blob();
+        await navigator.clipboard.write([
+            new window.ClipboardItem({
+                [blob.type]: blob,
+            }),
+        ]);
+    } else {
+        // 如果navigator.clipboard属性返回undefined，就说明当前浏览器不支持这个 API
+        console.log('当前浏览器不支持 navigator.clipboard');
+    }
+}
+
+export default {
+    copyStr,
+    copyImgBase64
+}

src/util/DownloadHelper.js

@@ -2,7 +2,7 @@
  * @Author: Billy
  * @Date: 2020-09-16 08:55:25
  * @LastEditors: Billy
- * @LastEditTime: 2021-06-06 01:59:30
+ * @LastEditTime: 2022-01-18 16:13:51
  * @Description: 下载工具函数
  */
 
@@ -12,7 +12,7 @@
  * @param {string} fileName 下载的文件保存本地时的文件名(含后缀)
  */
 function downloadByAnchorTag(filePath, fileName = '') {
-    let anchorTag = document.createElement('a');
+    const anchorTag = document.createElement('a');
     anchorTag.setAttribute('href', filePath);
     anchorTag.setAttribute('download', fileName);
     anchorTag.click();

src/util/EncryptionHelper.js

@@ -0,0 +1,59 @@
+/*
+ * @Author: Billy
+ * @Date: 2020-09-20 01:12:40
+ * @LastEditors: Billy
+ * @LastEditTime: 2022-04-16 16:27:29
+ * @Description: 工具函数库
+ */
+
+const crypto = require("crypto");
+
+// function ramdomStrEng(length = 10) {
+//     let s = '';
+//     for (let i = 0; i < length; i++)
+//         s += (Math.random() * 36 | 0).toString(36);
+//     return s;
+// }
+
+/**
+ * 生成uuid/guid
+ * @see https://stackoverflow.com/questions/105034/how-to-create-guid-uuid
+ * @returns {string} uuid 字符串
+ */
+function uuidv4() {
+    return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function (c) {
+        var r = Math.random() * 16 | 0,
+            v = c == "x" ? r : (r & 0x3 | 0x8);
+        return v.toString(16);
+    });
+}
+
+/**
+ * 把字符串单向加密
+ * @param {string} str 需要加密的字符串
+ * @returns {string} 加密后的字符串
+ */
+function createHmac(str) {
+    const secret = "qwertyuiop";
+    return crypto.createHmac("sha256", secret).update(str).digest("hex");
+}
+
+/**
+ * 生成一个随机的n位字符串(位数越长，越不可能重复)
+ * @param {number} n 位数
+ * @returns {string} 随机字符串
+ */
+function ramdomStr(n) {
+    if (n <= 50) {
+        let full = createHmac(String(Date.now()));
+        return full.slice(0, n);
+    } else {
+        throw new Error("位数n不能大于50");
+    }
+}
+
+module.exports = {
+    uuidv4,
+    createHmac,
+    ramdomStr
+};

src/util/FileHelper.js

@@ -2,30 +2,28 @@
  * @Author: Billy
  * @Date: 2020-09-15 10:05:45
  * @LastEditors: Billy
- * @LastEditTime: 2021-10-18 15:16:42
+ * @LastEditTime: 2021-08-17 09:27:21
  * @Description: 文件相关帮助方法
  */
 
 /**
- * 格式化输出文件尺寸
+ * 格式化输出文件大小
- * @param {Number} size 文件尺寸的数字（单位为Byte）
+ * @param {Number} size 文件大小(单位为字节)
- * @param {Number} pointLength 小数点后的位数
+ * @param {Number} pointLength 小数点后的位数(默认2位)
- * @param {Array} units 自定义单位数组
+ * @returns {string} 返回：如 1M
- * 返回：字符串如 1M
+ * @todo 当结果大于1024TB时，会出现XXX.XXundefined的结果，即单位为undefined
  */
 function formatFileSize(
   size,
-  pointLength = 2,
+  pointLength = 2
-  units = ["B", "K", "M", "G", "TB"]
 ) {
-  // 格式化输出文件尺寸
+  const units = ["B", "KB", "MB", "G", "TB"];
   let unit;
-  while ((unit = units.shift()) && size > 1024) {
+  while ((unit = units.shift()) && size >= 1024) {
     size = size / 1024;
   }
   return (unit === "B" ? size : size.toFixed(pointLength)) + unit;
 }
-
 export default {
   formatFileSize
 };

src/util/InputOptimize.js

@@ -0,0 +1,27 @@
+/*
+ * @Author: Billy
+ * @Date: 2022-03-17 11:49:58
+ * @LastEditors: Billy
+ * @LastEditTime: 2022-03-17 12:01:56
+ * @Description: 输入框优化函数
+ */
+
+/**
+ * @description 防抖函数
+ * @param {Function} fn 回调
+ * @param {number} delay 延迟时间(毫秒)
+ * @returns 
+ */
+function debounce(fn, delay) {
+    let timerId;
+    return function (...args) {
+        if (timerId) clearTimeout(timerId);
+        timerId = setTimeout(() => {
+            fn.apply(this, args) // setTimout会发生this隐式丢失；改变this指向为调用debounce所指的对象
+        }, delay);
+    }
+}
+
+export default {
+    debounce
+}

src/util/SafePush.js

@@ -2,20 +2,20 @@
  * @Author: ChileeHong
  * @Date: 2021-03-01 17:10:55
  * @LastEditors: Billy
- * @LastEditTime: 2022-01-07 14:23:39
+ * @LastEditTime: 2022-02-24 11:02:28
- * @Description: 安全的route.push方法
+ * @Description: 安全的 route.push 方法
  */
 import router from '../router/_index'
 
 // 跟this.$router.push() 用法一致
-function savePush(location, onComplete, onAbort) {
+function safePush(location, onComplete, onAbort) {
   const current = router.currentRoute;
   const {
     resolved
   } = router.resolve(location);
 
   // console.log('current.path :>> ', current.path);
-  // console.log(' resolved.path :>> ', resolved.path);
+  // console.log('resolved.path :>> ', resolved.path);
   // console.log('current.query :>> ', current.query);
   // console.log('resolved.query :>> ', resolved.query);
   // console.log('current.params :>> ', current.params);
@@ -41,4 +41,4 @@ function savePush(location, onComplete, onAbort) {
   );
 }
 
-export default savePush
+export default safePush

src/util/TreeHelper.js

@@ -2,7 +2,7 @@
  * @Author: Billy
  * @Date: 2021-07-23 01:56:55
  * @LastEditors: Billy
- * @LastEditTime: 2022-01-04 09:54:37
+ * @LastEditTime: 2022-04-27 15:13:26
  * @Description: 树状结构帮助方法(v1.1)
  */
 
@@ -23,6 +23,20 @@ function treeNodesToArray(nodes = [], keyName = 'id', childAttrName = 'children'
     return arr
 }
 
+/**
+ * @description 递归遍历树状数组
+ * @param {Array} nodes 树结构数组
+ * @param {string} childAttrName 子树节点数组的属性名
+ * @param {Function} func 回调方法(参数1: 节点，参数2: 父节点)
+ */
+function recurveTree(nodes = [], childAttrName = "children", func, parentNode = null) {
+    for (let node of nodes) {
+        func(node, parentNode)
+        if (node[childAttrName] && node[childAttrName].length)
+            recurveTree(node[childAttrName], childAttrName, func, node)
+    }
+}
+
 /**
  * @description 获取树结构数组内的某一层的所有元素的指定属性(N叉树的层序遍历)
  * @param {Array} nodes 树结构数组
@@ -92,7 +106,7 @@ function arrayToGroup(array, attrName) {
  * @param {Function} func 操作函数(两个参数：level:层级(从1开始)，node:节点)
  * @returns 
  */
-function setEveryLevelOfTree(nodes = [], childAttrName = "children", func) {
+function loopEveryLevelOfTree(nodes = [], childAttrName = "children", func) {
     if (!nodes) {
         return;
     }
@@ -121,7 +135,8 @@ function setEveryLevelOfTree(nodes = [], childAttrName = "children", func) {
 
 module.exports = {
     treeNodesToArray,
+    recurveTree,
     getLevelOfTree,
     arrayToGroup,
-    setEveryLevelOfTree
+    loopEveryLevelOfTree
 }