时间：2021-07-01 10:21:17 帮助过：121人阅读
官方文档链接： http://dev.mysql.com/doc/refman/5.0/en/connector-j-reference-type-conversions.html Mysql官方文档上写 的 Mysql数据类型与Java数据类型的对应关系 。有疑问的细节，看官方文档~~ Table20.25.MySQLTypestoJavaTypesforResultSet.getObjec
官方文档链接：
http://dev.mysql.com/doc/refman/5.0/en/connector-j-reference-type-conversions.html
Mysql官方文档上写的Mysql数据类型与Java数据类型的对应关系。有疑问的细节，看官方文档~~
Table 20.25. MySQL Types to Java Types for ResultSet.getObject()
|
MySQL Type Name |
Return value ofGetColumnClassName |
Returned as Java Class |
|
BIT(1) (new in MySQL-5.0) |
BIT |
java.lang.Boolean |
|
BIT( > 1) (new in MySQL-5.0) |
BIT |
byte[] |
|
TINYINT |
TINYINT |
java.lang.Boolean if the configuration property tinyInt1isBit is set to true (the default) and the storage size is 1, orjava.lang.Integer if not. |
|
BOOL, BOOLEAN |
TINYINT |
See TINYINT, above as these are aliases forTINYINT(1), currently. |
|
SMALLINT[(M)] [UNSIGNED] |
SMALLINT [UNSIGNED] |
java.lang.Integer (regardless ifUNSIGNED or not) |
|
MEDIUMINT[(M)] [UNSIGNED] |
MEDIUMINT [UNSIGNED] |
java.lang.Integer, if UNSIGNEDjava.lang.Long (C/J 3.1 and earlier), orjava.lang.Integer for C/J 5.0 and later |
|
INT,INTEGER[(M)] [UNSIGNED] |
INTEGER [UNSIGNED] |
java.lang.Integer, if UNSIGNEDjava.lang.Long |
|
BIGINT[(M)] [UNSIGNED] |
BIGINT [UNSIGNED] |
java.lang.Long, if UNSIGNEDjava.math.BigInteger |
|
FLOAT[(M,D)] |
FLOAT |
java.lang.Float |
|
DOUBLE[(M,B)] |
DOUBLE |
java.lang.Double |
|
DECIMAL[(M[,D])] |
DECIMAL |
java.math.BigDecimal |
|
DATE |
DATE |
java.sql.Date |
|
DATETIME |
DATETIME |
java.sql.Timestamp |
|
TIMESTAMP[(M)] |
TIMESTAMP |
java.sql.Timestamp |
|
TIME |
TIME |
java.sql.Time |
|
YEAR[(2|4)] |
YEAR |
If yearIsDateType configuration property is set to false, then the returned object type isjava.sql.Short. If set to true (the default), then the returned object is of typejava.sql.Date with the date set to January 1st, at midnight. |
|
CHAR(M) |
CHAR |
java.lang.String (unless the character set for the column is BINARY, then byte[] is returned. |
|
VARCHAR(M) [BINARY] |
VARCHAR |
java.lang.String (unless the character set for the column is BINARY, then byte[] is returned. |
|
BINARY(M) |
BINARY |
byte[] |
|
VARBINARY(M) |
VARBINARY |
byte[] |
|
TINYBLOB |
TINYBLOB |
byte[] |
|
TINYTEXT |
VARCHAR |
java.lang.String |
|
BLOB |
BLOB |
byte[] |
|
TEXT |
VARCHAR |
java.lang.String |
|
MEDIUMBLOB |
MEDIUMBLOB |
byte[] |
|
MEDIUMTEXT |
VARCHAR |
java.lang.String |
|
LONGBLOB |
LONGBLOB |
byte[] |
|
LONGTEXT |
VARCHAR |
java.lang.String |
|
ENUM('value1','value2',...) |
CHAR |
java.lang.String |
|
SET('value1','value2',...) |
CHAR |
java.lang.String |