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src/utils/compress.js

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+// 导入pako
+import { base64 } from 'js-md5'
+import pako from 'pako'
+
+/**
+ * gzip 解压缩
+ * @param {*} b64Data 
+ * @returns 
+ */
+export function unzip (b64Data) {
+  let strData = atob(b64Data)
+  // Convert binary string to character-number array
+  const charData = strData.split('').map(function (x) { return x.charCodeAt(0) })
+  // Turn number array into byte-array
+  const binData = new Uint8Array(charData)
+  // // unzip
+  const decompressed = pako.inflate(binData)
+  return new TextDecoder('utf-8').decode(decompressed);
+}
+
+/**
+ * gzip 压缩
+ * @param {*} str 
+ * @returns 
+ */
+export function zip (str) {
+  if (typeof str !== 'string') {
+    str = JSON.stringify(str)
+  }
+  const binaryString = pako.gzip(str, { to: 'string' })
+  return btoa(binaryString)
+}
+
+export function unzipToJson(b64Data) {
+  const decStr=unzip(b64Data)
+  return eval(''+decStr+'');
+}