openresty 连接redis

1 redis2 连接redis

location /luaredis {
    default_type text/html;
    set $value 'first';
	redis2_query set one $value;
	redis2_pass 127.0.0.1:6379;
}

2 lua-resty-redis访问redis

定义location

location /luaresty {
    default_type text/html;
    content_by_lua_file luaresty.lua;
}

lua 代码

---
--- Generated by EmmyLua(https://github.com/EmmyLua)
--- Created by hadoop.
--- DateTime: 2021/12/22 16:29
---

-- 引入redis包
local redis = require "resty.redis"
-- 进行初始化
local redisOb = redis:new()

local ok , err = redisOb:connect("127.0.0.1",6379)

if not ok then
    ngx.say("failed to connect ",err,"<br/>")
    return
end

ok,err = redisOb:set("test","val1")
if not ok then
    ngx.say("failed to set cat: ",err,"<br/>")
    return
end

ngx.say("set result: ", ok,"<br/>")

local res,err = redisOb:get("test")

if not ok then
    ngx.say("failed to get test: ",err,"<br/>")
    return
end

if res == ngx.null then
    ngx.say("test not found.<br/>")
end

ngx.say("test: ",res,"<br/>")