支持文件列表可指定下载文件名

ui/lib/js/utils.js

@@ -15,12 +15,12 @@ import $reg from "./regular"
  */
 const addChild = (parent, pending, config) => {
   let conf = {
-        key: 'id',
-        parent: 'parentId',
-        children: 'children',
-        ...config
-      },
-      doBeforeCount = pending.length
+      key: 'id',
+      parent: 'parentId',
+      children: 'children',
+      ...config
+    },
+    doBeforeCount = pending.length
   for (let i = pending.length - 1; i >= 0; i--) {
     let e = pending[i]
     if (e[conf.parent] == parent[conf.key]) {
@@ -40,7 +40,8 @@ const addChild = (parent, pending, config) => {
  * @param config 配置
  */
 const $arr2tree = (list, config = {}) => {
-  const {key = 'id', parent = 'parentId', children = 'children'} = config, result = [], itemMap = {}, ids = list?.map(e => `#${e[key]}#`)?.toString()
+  const {key = 'id', parent = 'parentId', children = 'children'} = config, result = [], itemMap = {},
+    ids = list?.map(e => `#${e[key]}#`)?.toString()
   for (const e of list) {
     const id = e[key], pid = e[parent]
     itemMap[id] = {...e, [children]: [itemMap[id]?.[children]].flat().filter(Boolean)}
@@ -86,7 +87,7 @@ const $decimalCalc = (...arr) => {
     return ('' + e).length - index
   })
   let maxDecimal = Math.max(...decimalLengthes),
-      precision = Math.pow(10, maxDecimal)
+    precision = Math.pow(10, maxDecimal)
   // 计算
   let intArr = arr.map(e => (Number(e) || 0) * precision)
   // 返回计算值
@@ -114,10 +115,10 @@ const $colorUtils = {
       if (color.length == 4) {
         // 检测诸如#FFF简写格式
         color =
-            '#' +
-            color.charAt(1).repeat(2) +
-            color.charAt(2).repeat(2) +
-            color.charAt(3).repeat(2)
+          '#' +
+          color.charAt(1).repeat(2) +
+          color.charAt(2).repeat(2) +
+          color.charAt(3).repeat(2)
       }
       hex = parseInt(color.slice(1), 16)
     }
@@ -198,15 +199,16 @@ export default {
   },
   $dateFormat: (time, format) => {
     return $moment(time)
-    .format(format || 'YYYY-MM-DD')
-    .replace('Invalid Date', '')
+      .format(format || 'YYYY-MM-DD')
+      .replace('Invalid Date', '')
   },
   $copy,
-  $download: url => {
+  $download: (url, name) => {
     fetch(url).then(res => res.blob()).then(blob => {
       const link = document.createElement('a')
       link.style.display = 'none'
       link.href = URL.createObjectURL(blob)
+      !!name && link.setAttribute("download", name)
       document.body.appendChild(link)
       link.click()
       document.body.removeChild(link)