districtservice.java

关于Ajax的

package allan.ajax.service;

import java.util.Random;

import allan.ajax.entity.District;

public class DistrictService {
	public District getDistrict(String zipcode) {
		int random = new Random().nextInt(20);
		if (random < 15) {
			return null;
		}
		District district = new District();
		district.setZipcode(zipcode);
		district.setProvince("北京市");
		district.setCity("朝阳区");
		return district;
	}
}