MongoDB的模糊查询其实很简单: 11.LIKE模糊查询userName包含A字母的数据(%A%) SQL:SELECT * FROM UserInfo WHERE userName LIKE "%A%" MongoDB:db.UserInfo.find({userName :/A/}) 12.LIKE模糊查询userName以字母A开头的数据(A%). SQL:SELECT * FROM UserInfo WHERE userName…
https://www.elastic.co/guide/en/elasticsearch/guide/current/getting-started.html Elasticsearch is a real-time distributed search and analytics engine. It allows you to explore your data at a speed and at a scale never before possible. It is used for…
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><TITLE> xSelectList Demo </TITLE><META NAME="Generator" CONTENT="EditPlus"><META NAME="Author" CONTENT…
比如我有下面这样一个List,里面存放的是多个Employee对象.然后我想对这个List进行按照Employee对象的名字进行模糊查询.有什么好的解决方案么?比如我输入的查询条件为“wang”,那么应该返回只包含employee1的List列表. List list = new ArrayList(); Employee employee1 = new Employee(); employee1.setName("wangqiang"); employee1.setAge(30);…