org.nutz.dao.jdbc

Interface ValueAdaptor

All Known Implementing Classes:

BlobValueAdaptor, BlobValueAdaptor2, ClobValueAdapter2, ClobValueAdaptor, DB2BooleanAdaptor, DerbyBooleanAdaptor, MysqlJsonAdaptor, OracleBooleanAdaptor, PsqlArrayAdaptor, PsqlJsonAdaptor

public interface ValueAdaptor

为各个数据库的 JDBC 驱动封装了设值和取值的不同

Author:

zozoh(zozohtnt@gmail.com)

Method Summary

Modifier and Type	Method and Description
Object	get(ResultSet rs, String colName) 从结果集里获取一个字段的值
void	set(PreparedStatement stat, Object obj, int index) 为缓冲语句设置值

Method Detail

get

Object get(ResultSet rs,
           String colName)
    throws SQLException

从结果集里获取一个字段的值

Parameters:

rs - 结果集

colName - 列名

Returns:

字段值

Throws:

SQLException

set

void set(PreparedStatement stat,
         Object obj,
         int index)
  throws SQLException

为缓冲语句设置值

一个值可以被设置到多个占位符中

Parameters:

stat - 缓冲语句

obj - 值

index - 占位符位置，从 1 开始

Throws:

SQLException