erlang：list_to_binary

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list_to_binary：字符串转二进制

例子	结果
atom_to_list(hello).	"hello"
list_to_atom("hello").	hello
binary_to_list(<<"hello">>).	"hello"
binary_to_list(<<104,101,108,108,111>>).	"hello"
list_to_binary("hello").	<<104,101,108,108,111>>
float_to_list(7.0).	"7.00000000000000000000e+00"
list_to_float("7.000e+00").	7.0
integer_to_list(77).	"77"
list_to_integer("77").	77
tuple_to_list({a,b,c}).	[a,b,c]
list_to_tuple([a,b,c]).	{a,b,c}
term_to_binary({a,b,c}).	<<131,104,3,100,0,1,97,100,0,1,98,100,0,1,99>>
binary_to_term(<<131,104,3,100,0,1,97, 100,0,1,98,100,0,1,99>>).	{a,b,c}

Erlang支持的数据类型参考官方站点：http://erlang.org/doc/reference_manual/data_types.html