1、java8 Map的新用法 Job job = new Job("李四","语文",98); Job job1 = new Job("李四","数学",85); Job job2 = new Job("王五","语文",90); Job job3 = new Job("王五","数学",84); Read More
1、回访问题上、下排序sql语句 UPDATE table_bank bank join table_bank visit on (bank.id = 1 and visit.id = 23) or (bank.id=23 and visit.id =1) SET bank.order_no = v Read More