在oracle中创建序列语句并执行:
create sequence user_seq start with 1 increment by 1;
create or replace trigger user_trigger before insert on tb_user for each row begin select user_seq.nextval into :new.id from dual; end ;
2.然后在mybatis的mapper配置文件中插入一条记录时就不用指定id
INSERT INTO TB_USER(name,sex,age) VALUES(#{name},#{sex},${age})
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