访问请求体

content_by_lua_block {

ngx.req.read_body() -- explicitly read the req body

local data = ngx.req.get_body_data()

if data then

ngx.say("body data:")

ngx.print(data)

return

end

-- body may get buffered in a temp file:

local file = ngx.req.get_body_file()

 if file then

ngx.say("body is in file ", file)

else

ngx.say("no body found")

end

}