lua5.2怎么使用require包含外部脚本文件

你运行lua时，test1.lua和test2.lua是在当罩雀前目录下吗？

Plain

Text

code

?

/tmp/

cat

test1.lua

package.path

=

package.path

..

"./?.lua"

local

test2

=

require("test2")

/tmp/

~/tmp/lua-5.2.2/src/lua

test1.lua

#

没问题

/tmp/

rm

test2.lua

#

删掉test2.lua

/tmp/

~/tmp/lua-5.2.2/src/lua

test1.lua

#

报错了

/home/user/tmp/lua-5.2.2/src/lua:

test1.lua:2:

module

'test2'

not

found:

no

field

package.preload['test2']

no

file

'/usr/local/share/lua/5.2/test2.lua'

no

file

'/usr/local/share/lua/5.2/test2/init.lua'

no

file

'/usr/local/lib/lua/5.2/test2.lua'

no

file

'/usr/local/lib/lua/5.2/test2/init.lua'

no

file

'./test2.lua'

no

file

'./test2.lua'

no

file

'正闷庆/usr/local/lib/lua/5.2/test2.so'

no

file

'/usr/local/lib/lua/5.2/loadall.so'

no

file

'./test2.so'

stack

traceback:

[C]:

in

function

'require'

test1.lua:2:

in

main

chunk

[C]:

in

?

/tmp/

touch

test2.lua

#

重新建举握立test2.lua

/tmp/

~/tmp/lua-5.2.2/src/lua

test1.lua

#

没问题

/tmp/

cd

~/tmp

#

换到别的目录

~/tmp/

~/tmp/lua-5.2.2/src/lua

/tmp/test1.lua

#

出错了

/home/user/tmp/lua-5.2.2/src/lua:

/tmp/test1.lua:2:

module

'test2'

not

found:

no

field

package.preload['test2']

no

file

'/usr/local/share/lua/5.2/test2.lua'

no

file

'/usr/local/share/lua/5.2/test2/init.lua'

no

file

'/usr/local/lib/lua/5.2/test2.lua'

no

file

'/usr/local/lib/lua/5.2/test2/init.lua'

no

file

'./test2.lua'

no

file

'./test2.lua'

no

file

'/usr/local/lib/lua/5.2/test2.so'

no

file

'/usr/local/lib/lua/5.2/loadall.so'

no

file

'./test2.so'

stack

traceback:

[C]:

in

function

'require'

/tmp/test1.lua:2:

in

main

chunk

[C]:

in

?

local ui=require("framework.ui")

你这里已经引入了framework.ui

有可能通过这个友枣文件间接的引用了SelectChapter

或者framework.ui里引用的某一个文件引用轮仔了它 这是其中的一种情况

另一种情况是 SelectChapter是一个global的值 而这个值甚至有可能在你这个文件之好桐拆前就已经先引用了 所以被赋值了

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