| New file |
| | |
| | | package org.sxkj.common.handler; |
| | | |
| | | import org.apache.ibatis.type.BaseTypeHandler; |
| | | import org.apache.ibatis.type.JdbcType; |
| | | import org.apache.ibatis.type.MappedJdbcTypes; |
| | | import org.apache.ibatis.type.MappedTypes; |
| | | |
| | | import java.sql.CallableStatement; |
| | | import java.sql.PreparedStatement; |
| | | import java.sql.ResultSet; |
| | | import java.sql.SQLException; |
| | | |
| | | /** |
| | | * String 与 smallint/int 的类型转换处理器 |
| | | * 用于 Java 字段为 String 但数据库列为 smallint/int 的场景 |
| | | * 写入时将 String 转为 Integer,读取时将 Integer 转为 String |
| | | */ |
| | | @MappedTypes(String.class) |
| | | @MappedJdbcTypes(JdbcType.SMALLINT) |
| | | public class StringToIntegerTypeHandler extends BaseTypeHandler<String> { |
| | | |
| | | @Override |
| | | public void setNonNullParameter(PreparedStatement ps, int i, String parameter, JdbcType jdbcType) throws SQLException { |
| | | ps.setInt(i, Integer.parseInt(parameter)); |
| | | } |
| | | |
| | | @Override |
| | | public String getNullableResult(ResultSet rs, String columnName) throws SQLException { |
| | | Object value = rs.getObject(columnName); |
| | | return value == null ? null : value.toString(); |
| | | } |
| | | |
| | | @Override |
| | | public String getNullableResult(ResultSet rs, int columnIndex) throws SQLException { |
| | | Object value = rs.getObject(columnIndex); |
| | | return value == null ? null : value.toString(); |
| | | } |
| | | |
| | | @Override |
| | | public String getNullableResult(CallableStatement cs, int columnIndex) throws SQLException { |
| | | Object value = cs.getObject(columnIndex); |
| | | return value == null ? null : value.toString(); |
| | | } |
| | | } |