根据首字母排序算法

import java.util.Comparator;

public class PinyinComparator implements Comparator {

	@Override
	public int compare(PersonBean lhs, PersonBean rhs) {
		return sort(lhs, rhs);
	}

	private int sort(PersonBean lhs, PersonBean rhs) {
//		// 获取ascii值
//		int lhs_ascii = lhs.getFirstPinYin().toUpperCase().charAt(0);
//		int rhs_ascii = rhs.getFirstPinYin().toUpperCase().charAt(0);
//		// 判断若不是字母,则排在字母之后
//		if (lhs_ascii < 65 || lhs_ascii > 90)
//			return 1;
//		else if (rhs_ascii < 65 || rhs_ascii > 90)
//			return -1;
//		else
//			return lhs.getPinYin().compareTo(rhs.getPinYin());
		if (lhs.getFirstPinYin().equals(rhs.getFirstPinYin())) {
			return lhs.getPinYin().compareTo(rhs.getPinYin());
		} else {
			if ("#".equals(lhs.getFirstPinYin())) {
				return 1;
			} else if ("#".equals(rhs.getFirstPinYin())) {
				return -1;
			}
			return lhs.getFirstPinYin().compareTo(rhs.getFirstPinYin());
		}
	}
public class PersonBean {

	private String Name;
	private String PinYin;
	private String FirstPinYin;
	private Customer customer;

	public String getName() {
		return Name;
	}

	public void setName(String name) {
		Name = name;
	}

	public String getPinYin() {
		return PinYin;
	}

	public void setPinYin(String pinYin) {
		PinYin = pinYin;
	}

	public String getFirstPinYin() {
		return FirstPinYin;
	}

	public void setFirstPinYin(String firstPinYin) {
		FirstPinYin = firstPinYin;
	}

	public String toString() {
		return "姓名:" + getName() + "   拼音:" + getPinYin() + "    首字母:"
				+ getFirstPinYin();

	}

	public Customer getCustomer() {
		return customer;
	}

	public void setCustomer(Customer customer) {
		this.customer = customer;
	}
}


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