Method 1: use lua-cjson
luarocks install lua-cjson
Result:
[root@tutorialspots ~]# luarocks install lua-cjson Installing https://luarocks.org/lua-cjson-2.1.0.6-1.src.rock gcc -O2 -fPIC -I/usr/local/include/luajit-2.1 -c lua_cjson.c -o lua_cjson.o gcc -O2 -fPIC -I/usr/local/include/luajit-2.1 -c strbuf.c -o strbuf.o gcc -O2 -fPIC -I/usr/local/include/luajit-2.1 -c fpconv.c -o fpconv.o gcc -shared -o cjson.so -L/usr/local/lib lua_cjson.o strbuf.o fpconv.o No existing manifest. Attempting to rebuild... lua-cjson 2.1.0.6-1 is now installed in /usr/local (license: MIT)
Example:
local json_string = "{\"website\":\"www.tutorialspots.com\"}" local json = require('cjson') local tab = json.decode(json_string) json_string = json.encode(tab) print(json_string)
Result:
{"website":"www.tutorialspots.com"}
Online demo: Here
Method 2: use json4lua
wget -q https://raw.githubusercontent.com/Egor-Skriptunoff/json4lua/master/json.lua -O /usr/local/lib/lua/resty/json.lua
Example:
local json_string = "{\"website\":\"www.tutorialspots.com\"}" local json = require('json') local tab = json.decode(json_string) json_string = json.encode(tab) print(json_string)
Method 3: use json.lua
wget -q https://raw.githubusercontent.com/rxi/json.lua/master/json.lua -O /usr/local/lib/lua/resty/json.lua