param = {
:level => "debug",
:stdout => 1,
:file => "./dev.log",
:roll_type => "file_size",
:roll_param => "500K"
}
#写法二
param = {
level: "debug",
stdout: 1,
file: "./dev.log",
roll_type: "file_size",
roll_param: "500K"
}
#写法三
param={}
param[:level]="debug"
param[:stdout]=1
param[:file]="./dev.log"
param[:roll_type]="file_size"
param[:roll_param]="500K"