List自定义排序（可多条件）

1：先建需要排序的属性Model

package com.msqsoft.app.queuing.util;

public class ListOrderByModel {
    
    private String queueNumber;

    private Integer status;

    public String getQueueNumber() {
        return queueNumber;
    }

    public void setQueueNumber(String queueNumber) {
        this.queueNumber = queueNumber;
    }

    public Integer getStatus() {
        return status;
    }

    public void setStatus(Integer status) {
        this.status = status;
    }
    
    public ListOrderByModel(String queueNumber, Integer status){
        this.queueNumber = queueNumber;
        this.status = status;
    }
}

2：建立排序 Util 定义排序方式 需实现 Comparator  

package com.msqsoft.app.queuing.util;

import java.util.Comparator;

public class ListOrderByComparatorModelUtil implements Comparator {

    @Override
    public int compare(Object obj1, Object obj2) {
        
        ListOrderByModel orderByModel1 = (ListOrderByModel)obj1;
        ListOrderByModel orderByModel2 = (ListOrderByModel)obj2;
        
        // 先排序status
        if (orderByModel1.getStatus() > orderByModel2.getStatus()) {
            return -1;
        } else if (orderByModel1.getStatus() < orderByModel2.getStatus()) {
            return 1;
        } else {
            // 排序号码
            return orderByModel1.getQueueNumber().compareTo(orderByModel2.getQueueNumber());
        }
    }

}

3 ： 测试

package web;

import java.text.Collator;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;

import com.msqsoft.app.queuing.util.ListOrderByComparatorModelUtil;
import com.msqsoft.app.queuing.util.ListOrderByModel;

public class Test1 {
    @SuppressWarnings("unchecked")
    public static void main(String[] args) throws ParseException {
        
        List list = new ArrayList();
        list.add(new ListOrderByModel("A002", 0));
        list.add(new ListOrderByModel("A001", 0));
        list.add(new ListOrderByModel("A003", 0));
        list.add(new ListOrderByModel("A006", 6));
        list.add(new ListOrderByModel("A004", 0));
        list.add(new ListOrderByModel("A008", 5));
        list.add(new ListOrderByModel("A005", 0));
        list.add(new ListOrderByModel("A007", 6));

        ListOrderByComparatorModelUtil comparator = new ListOrderByComparatorModelUtil();
        Collections.sort(list, comparator);
        for (int i = 0; i < list.size(); i++) {
            ListOrderByModel listMode = (ListOrderByModel) list.get(i);
            System.out.println(listMode.getStatus() + "," + listMode.getQueueNumber());
        }
    }
}