nginx-lua-redis

location /red {
    default_type "text/html";
    content_by_lua_block{
        local redis = require "resty.redis" -- 引入Redis
        local redisObj = redis:new()  --创建Redis对象
        redisObj:set_timeout(1000) --设置超时数据为1s
        local ok,err = redisObj:connect("172.22.46.33",6379) --设置redis连接信息
        redisObj:auth("xxx")
        redisObj:select(2)
        if not ok then --判断是否连接成功
         ngx.say("failed to connection redis",err)
         return
        end
        ok,err = redisObj:set("username","TOM")--存入数据
        if not ok then --判断是否存入成功
         ngx.say("failed to set username",err)
         return
        end
        local res,err = redisObj:get("username") --从redis中获取数据
        ngx.say(res)	--将数据写会消息体中
        redisObj:close()
    }
}