ruby - else block 中的Ruby异常处理

Question

所以我有经典的Ruby异常处理:

begin
    # do work here
rescue SafeShutdown => e
    # prevent loss of data and safely shutdown
rescue SystemExit => e
    # print #{e} and continue
else
    # how can I get #{e} here to get error message
    # so I can behave like in previous rescue
    # 
    # print #{e} and continue
end

我的问题是如何获取“e”以在记录器的其他部分打印出来。

Answer 1

在begin rescue块中，仅当不发生异常(即未引发任何错误)时才调用else。尝试这个:

begin
  # do work here
rescue SafeShutdown => e
  # print e
rescue SystemExit => e
  # print e
else
  # this will only run when no exceptions are thrown
ensure
  # this will always run
end