mysql emoji

alter database `zfax_test` character set utf8mb4;

alter table `zfax_test`.`t_beef_receive` character set utf8mb4;

alter table `zfax_test`.`t_beef_receive` change receiveName receiveName varchar(200) character set utf8mb4;

public String removeNonBmpUnicode(String str) {    
		if (str == null) {    
		       return null;    
		}    
		str = str.replaceAll("[^\\u0000-\\uFFFF]", "");    
		return str;    
}