导出指定表的结构:mysqldump database -h 127.0.0.1 -u username -p --table cj_dy_withdraw_detail >./cj_dy_withdraw_detail.sql
导出指定库的全部数据和结构:mysqldump -d database -h 127.0.0.1 -u username -p --table cj_dy_withdraw_detail >./cj_dy_withdraw_detail.sql
mysqldump database -h 127.0.0.1 -u username -p >./cj_dy_withdraw_detail.sql