nginx-luaHow to send JSON response
init_by_lua_block {
cjson = require("cjson")
}
server {
location / {
content_by_lua_block {
local data = {name='Donald'}
local output = cjson.encode(data)
ngx.header["Content-type"] = 'application/json'
ngx.say(output)
}
}
}ctrl + cinit_by_lua_blocknginx-lua module directive to run specified Lua code on server startup | require("cjson")load module to manipulate JSON |
content_by_lua_blocknginx-lua module directive to specify block of Lua code | {name='Donald'}sample table to convert to JSON string |
cjson.encodeencodes given Lua table to JSON string | ngx.headerallows to set response headers |
application/jsonset content type to | ngx.sayoutput given text to client |
Usage example
local data = {name='Donald'}
local output = cjson.encode(data)
ngx.header["Content-type"] = 'application/json'
ngx.say(output)output
{"name":"Donald"}