在hibernate+mysql:Field 'id' doesn't have a default value两种解决办法
来源:互联网 发布:注册域名几天可以交易 编辑:程序博客网 时间:2024/04/30 15:25
http://blog.163.com/clover_zhao/blog/static/13109759020119831849276/
使用注解@GeneratorValue,后台报错Field 'id' doesn't have a default value。
@Id
@GeneratedValue
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
这需要在数据库字段设置中,将id字段设置自动增加。
另一种方法:
使用注解:
@GeneratedValue(generator="increment")
@GenericGenerator(name="increment",strategy="increment")
@GenericGenerator(name="increment",strategy="increment")
如:
@Id
@GeneratedValue(generator="increment")
@GenericGenerator(name="increment",strategy="increment")
@Column(name="MESSAGE_ID")
private int id;
@GeneratedValue(generator="increment")
@GenericGenerator(name="increment",strategy="increment")
@Column(name="MESSAGE_ID")
private int id;
- 在hibernate+mysql:Field 'id' doesn't have a default value两种解决办法
- 在hibernate+mysql:Field 'id' doesn't have a default value
- hibernate的Field 'id' doesn't have a default value
- hibernate异常 --- Field "id" doesn't have a default value
- hibernate:Field 'id' doesn't have a default value
- hibernate:Field 'id' doesn't have a default value 原因
- Hibernate Field 'id' doesn't have a default value
- Mysql出现Field * doesn't have a default value解决办法
- Mysql出现Field * doesn't have a default value解决办法
- Mysql Field * doesn't have a default value解决方法hibernate
- Field 'id' doesn't have a default value
- Field 'id' doesn't have a default value
- Field 'id' doesn't have a default value
- Field 'id' doesn't have a default value问题解决方法
- Field 'id' doesn't have a default value
- Field 'id' doesn't have a default value
- Field 'id' doesn't have a default value
- Field 'id' doesn't have a default value 原因
- 如何在企業網路內成功使用 ubuntu 的 apt-get install (Proxy 設定)
- 目标跟踪综述
- [C/C++] 常见错误汇总(2)
- IOS 视图切换 页面跳转
- android 完全退出程序
- 在hibernate+mysql:Field 'id' doesn't have a default value两种解决办法
- 十六周上机任务(字符串)
- [Error Fix] The transaction log for database 'DATABASENAME' is full
- glBlendFunc()的参数(转自CSDN)
- MonkeyRunner_Android view client的配置
- DEDECMS网站数据快速迁移、数据库备份和还原
- java生成newid随机数
- C++的XML编程经验――LIBXML2库使用指南
- opencv cvhog详解