ruby TkPackage can't find package BWidget 之解决办法
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一个特别短的ruby/tk代码:
require 'tkextlib\iwidgets'require 'tkextlib\bwidget'x = 0101.times {|i| x+=i}Tk.messageBox(:type=>:ok,:title=>"win",:message=>"total 100 is #{x}")
但是运行提示出错:
/usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- tkextlib\iwidgets (LoadError)from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'from 1945.rb:1:in `<main>'
这段代码原来是windows下写的,首先发现路径分隔符在linux需要用/。windows下估计/和\都可以吧?!然后接着运行,原来的错误木有了,新的错误出现鸟:
/usr/lib/ruby/2.1.0/tk/package.rb:86:in `rescue in require': TkPackage can't find package BWidget (RuntimeError)from /usr/lib/ruby/2.1.0/tk/package.rb:83:in `require'from /usr/lib/ruby/2.1.0/tkextlib/bwidget.rb:16:in `<top (required)>'from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'from 1945.rb:2:in `<main>'
提示找不到BWidget包,遂locate之,发现头文件啥的都是有的啊:
/usr/lib/ruby/2.1.0/tkextlib/bwidget/usr/lib/ruby/2.1.0/tkextlib/bwidget.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/arrowbutton.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/bitmap.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/button.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/buttonbox.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/combobox.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/dialog.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/dragsite.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/dropsite.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/dynamichelp.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/entry.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/label.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/labelentry.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/labelframe.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/listbox.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/mainframe.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/messagedlg.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/notebook.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/pagesmanager.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/panedwindow.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/panelframe.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/passwddlg.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/progressbar.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/progressdlg.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/scrollableframe.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/scrolledwindow.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/scrollview.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/selectcolor.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/selectfont.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/separator.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/setup.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/spinbox.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/statusbar.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/titleframe.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/tree.rb/usr/lib/ruby/2.1.0/tkextlib/bwidget/widget.rb/usr/lib/x86_64-linux-gnu/deja-dup/libwidgets.so/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/PrivateWidgets/libwidgetsplugin.so
难道是库文件没有?于是乎用 sudo apt-get install bwidget安装,接着运行,这个世界清净啦:
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