(轉)mybatis經常使用jdbcType數據類型

MyBatis 經過包含的jdbcType類型

BIT         FLOAT      CHAR           TIMESTAMP       OTHER       UNDEFINED

TINYINT     REAL       VARCHAR        BINARY          BLOB        NVARCHAR

SMALLINT    DOUBLE     LONGVARCHAR    VARBINARY       CLOB        NCHAR

INTEGER     NUMERIC    DATE           LONGVARBINARY   BOOLEAN     NCLOB

BIGINT      DECIMAL    TIME           NULL            CURSOR

2 Mybatis中javaType和jdbcType對應和CRUD例子

<resultMap type="java.util.Map" id="resultjcm">
  <result property="FLD_NUMBER" column="FLD_NUMBER"  javaType="double" jdbcType="NUMERIC"/>
  <result property="FLD_VARCHAR" column="FLD_VARCHAR" javaType="string" jdbcType="VARCHAR"/>
  <result property="FLD_DATE" column="FLD_DATE" javaType="java.sql.Date" jdbcType="DATE"/>
  <result property="FLD_INTEGER" column="FLD_INTEGER"  javaType="int" jdbcType="INTEGER"/>
  <result property="FLD_DOUBLE" column="FLD_DOUBLE"  javaType="double" jdbcType="DOUBLE"/>
  <result property="FLD_LONG" column="FLD_LONG"  javaType="long" jdbcType="INTEGER"/>
  <result property="FLD_CHAR" column="FLD_CHAR"  javaType="string" jdbcType="CHAR"/>
  <result property="FLD_BLOB" column="FLD_BLOB"  javaType="[B" jdbcType="BLOB" />
  <result property="FLD_CLOB" column="FLD_CLOB"  javaType="string" jdbcType="CLOB"/>
  <result property="FLD_FLOAT" column="FLD_FLOAT"  javaType="float" jdbcType="FLOAT"/>
  <result property="FLD_TIMESTAMP" column="FLD_TIMESTAMP"  javaType="java.sql.Timestamp" jdbcType="TIMESTAMP"/>
 </resultMap>

3 MybatisjavaTypejdbcType對應關係

JDBC Type            Java Type
CHAR                String
VARCHAR                String
LONGVARCHAR            String
NUMERIC                java.math.BigDecimal
DECIMAL                java.math.BigDecimal
BIT                boolean
BOOLEAN                boolean
TINYINT                byte
SMALLINT            short
INTEGER                int
BIGINT                long
REAL                float
FLOAT                double
DOUBLE                double
BINARY                byte[]
VARBINARY            byte[]
LONGVARBINARY                byte[]
DATE                java.sql.Date
TIME                java.sql.Time
TIMESTAMP            java.sql.Timestamp
CLOB                Clob
BLOB                Blob
ARRAY                Array
DISTINCT            mapping of underlying type
STRUCT                Struct
REF                            Ref
DATALINK            java.net.URL[color=red][/color]

 4  oracle數據類型和對應的java類型

用mybatis generator生成代碼後,執行查詢語句時,oracle裏的Date類型字段只精確到年月日,後面時分秒都爲零。java

 jdbcType="DATE"時候,存入到數據庫中的字段只有年月日!sql

後來發現是jdbcType問題,改爲 jdbcType="TIMESTAMP" 就能夠。(原先默認生成時是jdbcType="DATE")數據庫

地址:mybatis

http://otndnld.oracle.co.jp/document/products/oracle10g/102/doc_cd/java.102/B19275-03/datacc.htm#BHCJBJCCoracle

 

SQL數據類型 JDBC類型代碼 標準的Java類型 Oracle擴展的Java類型
 

1.0標準的JDBC類型:app

   

CHARide

java.sql.Types.CHARspa

java.lang.String.net

oracle.sql.CHARcode

VARCHAR2

java.sql.Types.VARCHAR

java.lang.String

oracle.sql.CHAR

LONG

java.sql.Types.LONGVARCHAR

java.lang.String

oracle.sql.CHAR

NUMBER

java.sql.Types.NUMERIC

java.math.BigDecimal

oracle.sql.NUMBER

NUMBER

java.sql.Types.DECIMAL

java.math.BigDecimal

oracle.sql.NUMBER

NUMBER

java.sql.Types.BIT

boolean

oracle.sql.NUMBER

NUMBER

java.sql.Types.TINYINT

byte

oracle.sql.NUMBER

NUMBER

java.sql.Types.SMALLINT

short

oracle.sql.NUMBER

NUMBER

java.sql.Types.INTEGER

int

oracle.sql.NUMBER

NUMBER

java.sql.Types.BIGINT

long

oracle.sql.NUMBER

NUMBER

java.sql.Types.REAL

float

oracle.sql.NUMBER

NUMBER

java.sql.Types.FLOAT

double

oracle.sql.NUMBER

NUMBER

java.sql.Types.DOUBLE

double

oracle.sql.NUMBER

RAW

java.sql.Types.BINARY

byte[]

oracle.sql.RAW

RAW

java.sql.Types.VARBINARY

byte[]

oracle.sql.RAW

LONGRAW

java.sql.Types.LONGVARBINARY

byte[]

oracle.sql.RAW

DATE

java.sql.Types.DATE

java.sql.Date

oracle.sql.DATE

DATE

java.sql.Types.TIME

java.sql.Time

oracle.sql.DATE

TIMESTAMP

java.sql.Types.TIMESTAMP

javal.sql.Timestamp

oracle.sql.TIMESTAMP

 

2.0標準的JDBC類型:

   

BLOB

java.sql.Types.BLOB

java.sql.Blob

oracle.sql.BLOB

CLOB

java.sql.Types.CLOB

java.sql.Clob

oracle.sql.CLOB

用戶定義的對象

java.sql.Types.STRUCT

java.sql.Struct

oracle.sql.STRUCT

用戶定義的參考

java.sql.Types.REF

java.sql.Ref

oracle.sql.REF

用戶定義的集合

java.sql.Types.ARRAY

java.sql.Array

oracle.sql.ARRAY

 

Oracle擴展:

   

BFILE

oracle.jdbc.OracleTypes.BFILE

N/A

oracle.sql.BFILE

ROWID

oracle.jdbc.OracleTypes.ROWID

N/A

oracle.sql.ROWID

REF CURSOR

oracle.jdbc.OracleTypes.CURSOR

java.sql.ResultSet

oracle.jdbc.OracleResultSet

TIMESTAMP

oracle.jdbc.OracleTypes.TIMESTAMP

java.sql.Timestamp

oracle.sql.TIMESTAMP

TIMESTAMP WITH TIME ZONE

oracle.jdbc.OracleTypes.TIMESTAMPTZ

java.sql.Timestamp

oracle.sql.TIMESTAMPTZ

TIMESTAMP WITH LOCAL TIME ZONE

oracle.jdbc.OracleTypes.TIMESTAMPLTZ

java.sql.Timestamp

oracle.sql.TIMESTAMPLTZ

 

 

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