xmldistrictservlet.java

关于Ajax的

package allan.ajax.action;

import allan.ajax.entity.District;
import allan.ajax.service.DistrictService;

public class XmlDistrictServlet extends DistrictServlet {

    protected String getInfo(String zipcode) {
        DistrictService districtService = new DistrictService();
        District district = districtService.getDistrict(zipcode);
        return getXmlData(district);
    }

    @Override
    protected String getContentType() {
        return "text/xml;charset=gbk";
    }

    protected String getXmlData(District district) {
        StringBuilder builder = new StringBuilder();
        builder.append("<?xml version='1.0' encoding='gbk'?>");

        builder.append("<district>");
        if (district != null) {
            builder.append("<zipcode>" + district.getZipcode() + "</zipcode>");
            builder.append("<province>" + district.getProvince() + "</province>");
            builder.append("<city>" + district.getCity() + "</city>");
        } else {
            builder.append("notfound");
        }
        builder.append("</district>");
        return builder.toString();
    }
}