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package.path require mysql 报错

时间:2015-03-10 11:49:04      阅读:187      评论:0      收藏:0      [点我收藏+]

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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

 

package.path require mysql 报错

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原文地址:http://www.cnblogs.com/wangxusummer/p/4325281.html

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