pako.deflate()压缩，压缩为UInt8Array  

pako.inflate()解压缩

 let jsonObj = {"a":1,"b":"123"};
  let jsonStr = JSON.stringify(jsonObj);
  let compressed = pako.deflate(jsonStr);
  console.log(compressed);
  let decompressed = pako.inflate(compressed,{to:'string'});
  console.log(decompressed);

运行结果：