test=# copy tbl_test1(a,b,c) from stdin delimiter ',' csv header;
Enter data to be copied followed by a newline.
End with a backslash and a period on a line by itself.
>> a,b,c
>> 3,你好,hello
>> 4,超人,super
>> \.
COPY 2
test=# select * from tbl_test1 ;
 a |  b   |   c    
---+------+--------
 

 1 | HA   | 12
 2 | ha   | 543
 1 | 公舉 | 公主
 2 | 萬歲 | 萬萬歲
 3 | 你好 | hello
 4 | 超人 | super
(6 rows)