摘要:
此处的AFTER是为了将stuno字段的顺序添加到name后面 ALTER TABLE student ADD stuno INT(11) AFTER name; ALTER TABLE tb_test add id int; ALTER TABLE tb_test DROP PRIMARY KEY 阅读全文
摘要:
public static <T> List<T> castList(Object obj, Class<T> clazz) { List<T> result = new ArrayList<T>(); if(obj instanceof List<?>) { for (Object o : (Li 阅读全文