java 排序

commons-beanutils-1.9.2.jar

commons-collects-3.2.1.jar

import org.apache.commons.beanutils.BeanComparator;

import org.apache.commons.collections.comparators.ReverseComparator;

import java.util.Collections;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

if ("asc".equals(sortBy)) {

// asc

Collections.sort(list, new BeanComparator(sortkey));

} else if ("desc".equals(sortBy)) {

// desc

Collections.sort(list, new BeanComparator(sortkey, new ReverseComparator()));

}