Lua uses Cjson to read and write JSON samples to share _lua

I'm using the Lua Cjson Library, a high-performance JSON parser and encoder with a 10~20-fold performance over pure LUA libraries. and LUA JSON fully supports UTF-8, without having to do with other Lua/luajit-related packages.

Environment installation

Here is not detailed, ask the Google has a lot of answers.

Sample code

Parsing JSON

Copy Code code as follows:

Local Cjson = require "Cjson"
Local Samplejson = [[{' Age ': '] ', ' Testarray ': {' array ': [8,9,11,14,25]}, ' Himi ': ' himigame.com '}]];
--Parsing the JSON string
Local data = Cjson.decode (Samplejson);
--Print the Age field in the JSON string
Print (data["age"]);
--Print the first value in the array (LUA defaults to count from 0)
Print (data["Testarray"] ["array"][1]);

Encode JSON

Copy Code code as follows:

Local Cjson = require "Cjson"
Local rettable = {}; --a table that eventually produces JSON
--Sequential values
Local intdatas = {};
INTDATAS[1] = 100;
INTDATAS[2] = "100";
--Array
Local arydatas = {};
Arydatas[1] = {};
arydatas[1]["Key 11"] = "value 11";
arydatas[1]["Key 12"] = "value 12";
Arydatas[2] = {};
arydatas[2]["Key 21"] = "value 21";
arydatas[2]["Key 22"] = "value 22";
--Assign value to table
rettable["Key 1"] = "value 1";
RETTABLE[2] = 123;
rettable["Int_datas"] = Intdatas;
rettable["Arydatas"] = Arydatas;
--encode the table data into a JSON string
Local JSONSTR = Cjson.encode (rettable);
Print (JSONSTR);
The result is: {"Int_datas": [100, "100"], "2": 123, "Key 1": "Value 1", "Arydatas": [{"Key 12": "Value 12", "Key 11": "Value 11"},{"key 21": "Value 21", "Key 22": "Value 22 "}]}

Written in the last

The above is only for the Cjson library simple application example, if have any question, please give me the message in time.