数据库 Mysql
INSERT INTO table (column_list) VALUES (value_list) ON DUPLICATE KEY UPDATE c1 = v1, c2 = v2, ...;
尝试把数据插入表,如果主键冲突的话那么更新字段
参考自
http://www.mysqltutorial.org/mysql-insert-or-update-on-duplicate-key-update/