Mybatis中JavaType和jdbcType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 |