poko.js可至Github下載：https://github.com/nodeca/pako
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<!DOCTYPE html>
<html lang=
"en"
>
<head>
<meta charset=
"UTF-8"
>
<title>pako.js實現gzip的壓縮和解壓</title>
</head>
<body>
<script type=
"text/javascript"
src=
"pako.js"
></script>
<script >
var
b64Data =
'H4sIAAAAAAAAAJ3UMQ7CMAwF0KugP2ewEzdpcxXUAbWAOiHUMqCqdyeVQAobfGXIYL8hP5ZXnEdkeNEk6vUgXTbLonC4zMjHFY/5Wm511ekdTsOCLKVp2rlIKOA2jTuBot/cr7BhobEwsbAloY8kDGyqoQ5H/oHsdwQ21cCmaspCz0L2jcYOgLHhNGw4TT1yVmBpuS9PZHWY35siqnxvimEvpE9FY4peQhfbhO0FDnuFqWAEAAA='
;
var
ticketData =
'{"ed":"20170121 09:44:01","fs":[{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"003","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"005","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"004","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"007","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"008","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"026","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"033","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"034","oids":["0"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"035","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"037","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"038","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"041","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"042","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"047","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"046","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"048","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"051","oids":["1"]},{"usg":[1,1,1,1,1,1,1],"act":0,"fid":"053","oids":["4"]}],"qty":1,"sd":"20161021 09:44:01","cd":"72016102116762039687"}'
;
// Output to console
var
s = unzip(b64Data);
console.log(
"unzipped:"
);
console.log(s);
var
data = zip(ticketData);
console.log(
"zipped:"
);
console.log(data);
function
unzip(b64Data){
var
strData = atob(b64Data);
// Convert binary string to character-number array
var
charData = strData.split(
''
).map(
function
(x){
return
x.charCodeAt(0);});
// Turn number array into byte-array
var
binData =
new
Uint8Array(charData);
// // unzip
var
data = pako.inflate(binData);
// Convert gunzipped byteArray back to ascii string:
strData = String.fromCharCode.apply(
null
,
new
Uint16Array(data));
return
strData;
}
function
zip(str){
var
binaryString = pako.gzip(str, { to:
'string'
});
return
btoa(binaryString);
}
</script>
</body>
</html>
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