fix kkFile预览提出公共方法，加水印

src/components/FileEcho.vue

@@ -28,6 +28,7 @@ import { ACCESS_TOKEN } from '../store/mutation-types.js'
 import { downloadFile, getFileAccessHttpUrl } from '../api/manage.js'
 import { previewPdf } from '../utils/previewPdf.js'
 import { Base64 } from 'js-base64'
+import { kkFilePreview } from '../utils/kkFilePreview'
 
 // 支持预览的文件类型
 const CAN_PREVIEW_FILE_TYPE = ['pdf', 'image']
@@ -120,8 +121,7 @@ export default {
         return
       }
       // 其余可预览文件仍使用KKFile进行预览
-      const url = `${window._CONFIG.onlinePreviewDomainURL}?url=${encodeURIComponent(Base64.encode(fileFullUrl))}`
-      window.open(url)
+      kkFilePreview(fileFullUrl)
     },
     /**
      * 单个文件的下载功能

src/components/UploadFile.vue

@@ -54,6 +54,7 @@ import { downloadFile, getFileAccessHttpUrl } from '@/api/manage'
 import { getFileInfo } from '@/api/api'
 import { previewPdf } from '@/utils/previewPdf'
 import Vue from 'vue'
+import { kkFilePreview } from '../utils/kkFilePreview'
 
 const FILE_TYPE_ALL = 'all'
 const FILE_TYPE_IMG = 'image'
@@ -327,8 +328,7 @@ export default {
         return
       }
       // 其余可预览文件仍使用KKFile进行预览
-      const url = `${window._CONFIG.onlinePreviewDomainURL}?url=${encodeURIComponent(Base64.encode(fileFullUrl))}`
-      window.open(url)
+      kkFilePreview(fileFullUrl)
     },
     handleDownload (file) {
       // 下载文件

src/components/jero/JUpload.vue

@@ -48,6 +48,7 @@ import { ACCESS_TOKEN } from '@/store/mutation-types'
 import { getFileAccessHttpUrl, downloadFile } from '@/api/manage'
 import { getFileInfo } from '@/api/api'
 import { previewPdf } from '../../utils/previewPdf'
+import { kkFilePreview } from '../../utils/kkFilePreview'
 
 // eslint-disable-next-line no-undef
 // const Base64 = require('js-base64').Base64
@@ -459,8 +460,7 @@ export default {
         return
       }
       // 其余可预览文件仍使用KKFile进行预览
-      const url = `${window._CONFIG.onlinePreviewDomainURL}?url=${encodeURIComponent(Base64.encode(fileFullUrl))}`
-      window.open(url)
+      kkFilePreview(fileFullUrl)
     },
     getFileUrl (fileId) {
       return `${window._CONFIG.domianURL}/sys/common/download/${fileId}`