我是Perl的新手,想要遍历这个JSON数据并将其打印到屏幕上.
我怎样才能做到这一点？
$arr = '[{"Year":"2012","Quarter":"Q3","DataType":"Other 3","Environment":"STEVE","Amount":125},{"Year":"2012","Quarter":"Q4","DataType":"Other 2","Environment":"MIKE","Amount":500}]';