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在文件中
package.path = ‘/usr/local/share/lua/5.1/?.lua;/usr/local/openresty/lualib/resty/?.lua;‘ package.cpath = ‘/usr/local/lib/lua/5.1/?.so;‘
执行
local mysql = require "mysql" --正确
local mysql = require "resty.mysql" --报错
去掉
package.path = ‘/usr/local/share/lua/5.1/?.lua;/usr/local/openresty/lualib/resty/?.lua;‘ package.cpath = ‘/usr/local/lib/lua/5.1/?.so;‘
local mysql = require "mysql" --报错
local mysql = require "resty.mysql" --正确
package.path 的默认路径指向哪的呢？
去掉 package.path，在页面中 随便引用一个不存在的模块 比如 require ‘aa‘
查看nginx错误日志返回
no field package.preload[‘aa‘] no file ‘/usr/local/openresty/lualib/aa.lua‘ no file ‘/usr/local/openresty/lualib/aa/init.lua‘ no file ‘./aa.lua‘ no file ‘/usr/local/openresty/luajit/share/luajit-2.1.0-alpha/aa.lua‘ no file ‘/usr/local/share/lua/5.1/aa.lua‘ no file ‘/usr/local/share/lua/5.1/aa/init.lua‘ no file ‘/usr/local/openresty/luajit/share/lua/5.1/aa.lua‘ no file ‘/usr/local/openresty/luajit/share/lua/5.1/aa/init.lua‘ no file ‘/usr/local/openresty/lualib/aa.so‘ no file ‘./aa.so‘ no file ‘/usr/local/lib/lua/5.1/aa.so‘ no file ‘/usr/local/openresty/luajit/lib/lua/5.1/aa.so‘ no file ‘/usr/local/lib/lua/5.1/loadall.so‘
发现 /usr/local/openresty/lualib/aa.lua 难道默认的路径是 /usr/local/openresty/lualib 于是在页面中加入
package.path = ‘/usr/local/share/lua/5.1/?.lua;/usr/local/openresty/lualib/resty/?.lua;/usr/local/openresty/lualib/?.lua;‘
package.cpath = ‘/usr/local/lib/lua/5.1/?.so;‘
执行正确
新手~~ 勿怪
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原文地址：http://www.cnblogs.com/wangxusummer/p/4325281.html
