java的Timestamp时间插入mysql的datetime字段是0000-00-00 00:00:00
2015-01-08 23:02
981 查看
Mysql 与 java 的时间类型
MySql的时间类型有 Java中与之对应的时间类型
date java.sql.Date
Datetime java.sql.Timestamp
Timestamp java.sql.Timestamp
Time java.sql.Time
Year
java.sql.Date
我的mysql的chat_time字段的类型是datetime的,所以我在代码里是这样写的:
String sql = "insert into chat_group (group_name,group_type,status,last_time) values (?,?,?,?);";
insertEntity(sql, new Object[]{"test3",0,0,new java.sql.Timestamp(chat_time.getTime())})
但是入库后发现表字段chat_time的值竟然都是0,即0000-00-00 00:00:00
经过在网上查找,改成以下形式:
String nowTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(chat_time);
Integer groupId2 = insertEntity(sql, new Object[]{"test2",0,0,Timestamp.valueOf(nowTime)});
这样插入的竟然就是正常的了!!!
好奇怪,放入的都是Timestamp对象,为什么结果却差别这么大呢,
后来在网上看到说mysql的datetime是松散型的,直接放入时间形式的字符串也行(经测试却是可以),就想到问题应该处在格式化后的字符串上,
Integer groupId = insertEntity(sql, new Object[]{"test3",0,0,Timestamp.valueOf("2015-01-08
22:41:44.742")});
Integer groupId = insertEntity(sql, new Object[]{"test4",0,0,Timestamp.valueOf("2015-01-08
22:41:44")});
test4和test3的区别就是去掉了秒后面的.742,结果是test3依然是0,而test4正常插入,原因明晰了!
MySql的时间类型有 Java中与之对应的时间类型
date java.sql.Date
Datetime java.sql.Timestamp
Timestamp java.sql.Timestamp
Time java.sql.Time
Year
java.sql.Date
我的mysql的chat_time字段的类型是datetime的,所以我在代码里是这样写的:
String sql = "insert into chat_group (group_name,group_type,status,last_time) values (?,?,?,?);";
insertEntity(sql, new Object[]{"test3",0,0,new java.sql.Timestamp(chat_time.getTime())})
但是入库后发现表字段chat_time的值竟然都是0,即0000-00-00 00:00:00
经过在网上查找,改成以下形式:
String nowTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(chat_time);
Integer groupId2 = insertEntity(sql, new Object[]{"test2",0,0,Timestamp.valueOf(nowTime)});
这样插入的竟然就是正常的了!!!
好奇怪,放入的都是Timestamp对象,为什么结果却差别这么大呢,
后来在网上看到说mysql的datetime是松散型的,直接放入时间形式的字符串也行(经测试却是可以),就想到问题应该处在格式化后的字符串上,
Integer groupId = insertEntity(sql, new Object[]{"test3",0,0,Timestamp.valueOf("2015-01-08
22:41:44.742")});
Integer groupId = insertEntity(sql, new Object[]{"test4",0,0,Timestamp.valueOf("2015-01-08
22:41:44")});
test4和test3的区别就是去掉了秒后面的.742,结果是test3依然是0,而test4正常插入,原因明晰了!
相关文章推荐
- 插入Mysql异常之Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp
- mysql 数据库字段为datetime类型时默认值为:0000-00-00 00:00:00 查询时异常 java.sql.SQLException:Value '0000-00-00' can not be represented as java.sq
- mysql中datetime类型字段为默认值0000-00-00 00:00:00怎么取出来
- MySQL异常: Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp
- java的JDBC连接mysql数据库时对于Datetime类型出现Cannot convert value '0000-00-00 00:00:00' from column 9 to TIMESTAMP.
- MySQL关于Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp
- mysql解决Value ‘0000-00-00 00:00:00’ can not be represented as java.sql.Timestamp
- Bug3: Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp 时间戳错误 时间戳不能被体现
- mysql插入数据显示:Incorrect datetime value: '0000-00-00 00:00:00'
- MYSQL '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp
- MySQL关于Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp
- MySQL关于Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp
- MySQL 关于 Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp 的错误
- Mysql-提示java.sql.SQLException: Cannot convert value '0000-00-00 00:00:00' from column 7 to TIMESTAMP.
- mysql时间格式默认为null抛出java.sql.SQLException: Value '0000-00-00 00:00:00' can not be represented as java
- 普元 EOS Platform 7.6 Mysql5.0 表里字段有默认值为0000-00-00 00:00:00的时间戳,查询数据库表对应的实体报错
- Value '0000-00-00 00:00:00' can not be represented as java.sql.Timestamp
- 关于Java读取mysql中date类型字段默认值'0000-00-00'的问题
- java Timestamp类型插入Timestamp类型的mysql字段的问题
- 关于SQLException:Value'0000-00-00 00:00:00'can not be represented as java.sql.Timestamp的问题