数字前面补零
程序员文章站
2022-07-15 22:50:42
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lists:flatten(io_lib:fwrite("~6.10.0B", [555])).
51 uniqid() ->
52 {T1, T2, T3} = now(),
53 lists:flatten(io_lib:fwrite("~.10B~.10B~6.10.0B", [T1, T2, T3])).