//创建追加可变字符串 StringBuffer appendSB = new StringBuffer("abc"); appendSB.append("123"); appendSB.append('2'); appendSB.append(true); appendSB.append(" abc") .append("def") .append("****") .append(1221); System.out.println("appendSB:" + appendSB); //使用StringBuffer创建完全可视化的SQL语句 StringBuffer querySB = new StringBuffer(); querySB.append("SELECT studentid, NAME, gender, age, telephone, address, addedtime ") .append(" FROM student_info ") .append(" WHERE studentid=1 AND gender=1 ")
Java中StringBuffer类append方法的使用
最新推荐文章于 2024-05-16 22:45:08 发布