Java操作MongoDB中like操作

模糊查询，类似于 mysql 下的 like 

如下： content 为要查询的内容
BasicDBObject dbo=new BasicDBObject();// 新建查询基类对象 dbo

Pattern pattern = Pattern.compile("^.*" + content+ ".*$", Pattern.CASE_INSENSITIVE); 

dbo.put("content", pattern);

BasicDBObject dbo=new BasicDBObject();//   新建查询基类对象   dbo