【Mybatis】 JdbcType 与 JavaType对应关系

一、MyBatis 通过包含的jdbcType类型

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

二、XML

<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> 

三、jdbcType与javaType对应关系

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