为什么jdk1.8不支持sql.append，该如何解决

StringBuilder sql = new StringBuilder("SELECT ID,COMMAND,DESCRIPTION,CONTENT FROM message where 1= 1"); if(command!=null&&!"".equals(command.trim())) { sql.append(" and COMMAND = ? "); }

 

转载于:https://www.cnblogs.com/xuedexin/p/5656235.html