mysql 为什么会返回 byte数组 col2":[49,48]}

Question

{"rt_msg":"","list":[{"col4":"","col1":"orderStatu","col3":[],"col2":[49,48]},{"col4":"","col1":"pubList"
,"col3":[],"col2":[]},{"col4":"","col1":"AD441608031425935884","col3":[],"col2":[50,48,49,54,45,48,56
,45,48,51,32,49,52,58,50,54,58,48,54]},{"col4":"","col1":"auditList","col3":[],"col2":[]},{"col4":""
,"col1":"","col3":[49],"col2":[]},{"col4":"","col1":"advSync","col3":[],"col2":[]},{"col4":"","col1"
:"","col3":[48],"col2":[]},{"col4":"","col1":"playStatus","col3":[],"col2":[]},{"col4":"","col1":"","col3"
:[],"col2":[48]},{"col4":"","col1":"shelveStatus","col3":[],"col2":[]},{"col4":"","col1":"0","col3":
[]}],"rt_code":"success"}

Answer 1

你是让别人猜为什么吗？ 你这结果是直接查出来的么？代码都没有谁知道。