add 车型项目库：增删改查

src/mixins/JeroListMixin.js

@@ -67,7 +67,8 @@ export const JeroListMixin = {
   mounted () {
     // 过滤表格操作列没有权限的按钮
     if (this.needFilterTableBtn) {
-      this.operationList = this.operationList.filter(item => isHasPermission(item.has))
+      this.operationList = this.operationList.filter(item => !item.has || isHasPermission(item.has))
+      console.log(this.operationList)
     }
   },
   computed: {
@@ -309,13 +310,13 @@ export const JeroListMixin = {
           return
         }
         if (typeof window.navigator.msSaveBlob !== 'undefined') {
-          window.navigator.msSaveBlob(new Blob([data], { type: 'application/vnd.ms-excel' }), fileName + '.xls')
+          window.navigator.msSaveBlob(new Blob([data], { type: 'application/vnd.ms-excel' }), fileName + '.xlsx')
         } else {
           const url = window.URL.createObjectURL(new Blob([data], { type: 'application/vnd.ms-excel' }))
           const link = document.createElement('a')
           link.style.display = 'none'
           link.href = url
-          link.setAttribute('download', fileName + '.xls')
+          link.setAttribute('download', fileName + '.xlsx')
           document.body.appendChild(link)
           link.click()
           document.body.removeChild(link) // 下载完成移除元素