add Export2Zip vendor

src/vendor/Export2Zip.js

@@ -0,0 +1,22 @@
+/* eslint-disable */
+require('script-loader!file-saver');
+import JSZip from 'jszip'
+
+export function export_txt_to_zip(th, jsonData, txtName, zipName) {
+  const zip = new JSZip()
+  const txt_name = txtName || '文本'
+  const zip_name = zipName || '压缩包'
+  const data = jsonData
+  let txtData = `${th}\r\n`
+  data.forEach((row) => {
+    let tempStr = ''
+    tempStr = row.toString()
+    txtData += `${tempStr}\r\n`
+  })
+  zip.file(`${txt_name}.txt`, txtData)
+  zip.generateAsync({type:"blob"}).then(function (blob) {
+    saveAs(blob, `${zip_name}.zip`)
+  }, function (err) {
+    alert('导出失败')
+  })
+}