List<Object> 中文排序

最新推荐文章于 2024-06-27 11:14:03 发布

原创最新推荐文章于 2024-06-27 11:14:03 发布 · 1.7k 阅读

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本文介绍了一种使用Java实现的中文姓名与年龄的复杂排序方法，通过自定义比较器来处理中文姓名的排序问题，包括对特殊字符如序号、序分的正确排序。

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import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class ChineseSort {

	public static void main(String[] args) {
		List<Cat> listCat = new ArrayList<Cat>();
		listCat.add(new Cat(34, "J109张三"));
		listCat.add(new Cat(12, "J101李四"));
		listCat.add(new Cat(23, "J102王五"));
		listCat.add(new Cat(13, "J110刘六"));
		listCat.add(new Cat(13, "J105赵七"));
		listCat.add(new Cat(13, "J129赵七"));
		listCat.add(new Cat(13, "Ⅲ七"));
		listCat.add(new Cat(13, "Ⅱ赵七"));
		listCat.add(new Cat(13, "Ⅰ赵七"));
		listCat.add(new Cat(13, "Ⅳ、赵七"));
		listCat.add(new Cat(13, "Ⅶ、赵七"));
		listCat.add(new Cat(13, "Ⅵ、赵七"));
		listCat.add(new Cat(13, "Ⅴ、赵七"));

		System.out.println(listCat.toString());
		Collections.sort(listCat);
		System.out.println(listCat.toString());

	}
}

class Cat implements Comparable<Cat> {
	Comparator cmp = Collator.getInstance(java.util.Locale.CHINA);

	public int compareTo(Cat o) {
		return cmp.compare(this.getName(), o.getName());
	}

	private int age;
	private String name;

	public Cat(int age, String name) {
		this.age = age;
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String toString() {
		return "Cat{" + "age=" + age + ", name='" + name + '\'' + '}';
	}

}

[Cat{age=34, name='J109张三'}, Cat{age=12, name='J101李四'}, Cat{age=23, name='J102王五'}, Cat{age=13, name='J110刘六'}, Cat{age=13, name='J105赵七'}, Cat{age=13, name='J129赵七'}, Cat{age=13, name='Ⅲ七'}, Cat{age=13, name='Ⅱ赵七'}, Cat{age=13, name='Ⅰ赵七'}, Cat{age=13, name='Ⅳ、赵七'}, Cat{age=13, name='Ⅶ、赵七'}, Cat{age=13, name='Ⅵ、赵七'}, Cat{age=13, name='Ⅴ、赵七'}]
[Cat{age=12, name='J101李四'}, Cat{age=23, name='J102王五'}, Cat{age=13, name='J105赵七'}, Cat{age=34, name='J109张三'}, Cat{age=13, name='J110刘六'}, Cat{age=13, name='J129赵七'}, Cat{age=13, name='Ⅰ赵七'}, Cat{age=13, name='Ⅱ赵七'}, Cat{age=13, name='Ⅲ七'}, Cat{age=13, name='Ⅳ、赵七'}, Cat{age=13, name='Ⅴ、赵七'}, Cat{age=13, name='Ⅵ、赵七'}, Cat{age=13, name='Ⅶ、赵七'}]