postajax.jsp

Ajax+JSP的简单实现

<%@ page language="java" contentType="text/html; charset=GBK"%>
 <%        response.setContentType("text/xml");
         response.setHeader("Cache-Control", "no-cache");
         String state = request.getParameter("state");
         StringBuffer sb=new StringBuffer("<state>");
         if ("zj".equals(state)){
               sb.append("<city>1</city><city>2</city>");
			   sb.append("<city>3</city><city>4</city>");
        } else if("zs".equals(state)){
                sb.append("<city>5</city><city>yangzhou</city><city>6</city>");
				sb.append("<city>7</city><city>8</city>");
       }
         sb.append("</state>");
         out.write(sb.toString());
     

%>