All Downloads are FREE. Search and download functionalities are using the official Maven repository.

cn.hutool.db.handler.NumberHandler Maven / Gradle / Ivy

Go to download

Hutool是一个小而全的Java工具类库,通过静态方法封装,降低相关API的学习成本,提高工作效率,使Java拥有函数式语言般的优雅,让Java语言也可以“甜甜的”。

There is a newer version: 5.8.34
Show newest version
package cn.hutool.db.handler;

import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * 处理为数字结果,当查询结果为单个数字时使用此处理器(例如select count(1))
 * @author loolly
 *
 */
public class NumberHandler implements RsHandler{
	private static final long serialVersionUID = 4081498054379705596L;

	/**
	 * 创建一个 NumberHandler对象
	 * @return NumberHandler对象
	 */
	public static NumberHandler create() {
		return new NumberHandler();
	}

	@Override
	public Number handle(ResultSet rs) throws SQLException {
		return (null != rs && rs.next()) ? rs.getBigDecimal(1) : null;
	}
}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy