RowHandler的应用

RowHandler的使用
实现一个filter,查询sex=1的所有记录。使用queryWithRowHandler()方法。

FilterRowHandler.java

package com.cs;

import java.util.ArrayList;
import java.util.List;

import com.ibatis.sqlmap.client.event.RowHandler;

public class FilterRowHandler implements RowHandler {

	private List<User> list = new ArrayList<User>();
	
	public void handleRow(Object obj) {
		User user = (User)obj;
		if(user.getSex()==1) {
			list.add(user);
		}
	}
	
	public List<User> getList() {
		return list;
	}
}

UserDaoImpl.java

FilterRowHandler rh = new FilterRowHandler();
try {
	sqlmapper.queryWithRowHandler("selectAllUser", rh);
} catch (SQLException e) {
	e.printStackTrace();
}
List<User> list = rh.getList();
for(int i=0;i<list.size();i++) {
	System.out.println(list.get(i));
}