最简单的省市区级联带数据库

下载即可直接使用，使用ssh+jquery+ajax,使用mysql数据库，内带数据库文件，是初学者能看得懂的最简单的省市区三级级联。

package com.chen.actioon;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;

public class AjaxRequest {
	/**
	 * 解码器
	 * */
	public static String decoderString（String str String encoding） {
		try {
			return URLDecoder.decode（str encoding）;
		} catch （UnsupportedEncodingException e） {
			e.printStackTrace（）;
			return null;
		}
	}
	// AJAX输出文本，返回null
	public static String ajaxText（String text） {
		return ajax（text “text/plain“）;
	}
	// AJAX输出，返回null
	public static String ajax（String content String type） {
		try {
			HttpServletResponse response = ServletActionContext.getResponse（）;
			response.setContentType（type + “;charset=UTF-8“）;
			response.setHeader（“Pragma“ “No-cache“）;
			response.setHeader（“Cache-Control“ “no-cache“）;
			response.setDateHeader（“Expires“ 0）;
			response.getWriter（）.write（content）;
			response.getWriter（）.flush（）;
		} catch （IOException e） {
			e.printStackTrace（）;
		}
		return null;
	}
	
	// AJAX输出文本，返回null
		public static String ajaxHtml（String text） {
			return ajax（text “text/html“）;
		}
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       4485  2012-12-10 00:05  area.sql

     文件        365  2012-12-10 00:32  使用说明.txt

     文件        878  2012-12-05 19:54  sshdiqiu\.classpath

     文件       1041  2012-12-05 19:37  sshdiqiu\.project

     文件        503  2012-12-05 19:37  sshdiqiu\.settings\.jsdtscope

     文件        395  2012-12-05 19:37  sshdiqiu\.settings\org.eclipse.jdt.core.prefs

     文件        531  2012-12-05 19:54  sshdiqiu\.settings\org.eclipse.wst.common.component

     文件        345  2012-12-05 19:37  sshdiqiu\.settings\org.eclipse.wst.common.project.facet.core.xml

     文件         49  2012-12-05 19:37  sshdiqiu\.settings\org.eclipse.wst.jsdt.ui.superType.container

     文件          6  2012-12-05 19:37  sshdiqiu\.settings\org.eclipse.wst.jsdt.ui.superType.name

     文件       4177  2012-12-09 15:17  sshdiqiu\build\classes\appContext.xml

     文件       2060  2012-12-09 20:43  sshdiqiu\build\classes\com\chen\actioon\AjaxRequest.class

     文件       2613  2012-12-10 00:24  sshdiqiu\build\classes\com\chen\actioon\DiqiuAction.class

     文件        431  2012-12-09 20:43  sshdiqiu\build\classes\com\chen\biz\IDiqiuBiz.class

     文件       1196  2012-12-09 20:43  sshdiqiu\build\classes\com\chen\biz\impl\DiqiuBizImpl.class

     文件        431  2012-12-09 20:43  sshdiqiu\build\classes\com\chen\dao\IDiqiuDao.class

     文件       1693  2012-12-09 20:43  sshdiqiu\build\classes\com\chen\dao\impl\DiqiuDaoImpl.class

     文件        973  2012-12-10 00:02  sshdiqiu\build\classes\com\chen\dto\Djs.class

     文件        957  2012-12-10 00:23  sshdiqiu\build\classes\com\chen\dto\Message.class

     文件        967  2012-12-10 00:03  sshdiqiu\build\classes\com\chen\dto\Qx.class

     文件        782  2012-12-10 00:04  sshdiqiu\build\classes\com\chen\dto\Sf.class

     文件        825  2012-12-10 00:22  sshdiqiu\build\classes\hibernate\Djs.hbm.xml

     文件        953  2012-12-09 02:03  sshdiqiu\build\classes\hibernate\Qx.hbm.xml

     文件        698  2012-12-10 00:22  sshdiqiu\build\classes\hibernate\Sf.hbm.xml

     文件        877  2012-12-07 01:03  sshdiqiu\build\classes\jdbc.properties

     文件       1663  2012-12-07 01:12  sshdiqiu\build\classes\log4j.properties

     文件        840  2012-12-07 00:52  sshdiqiu\build\classes\spring\spring-action.xml

     文件        833  2012-12-07 01:22  sshdiqiu\build\classes\spring\spring-biz.xml

     文件        844  2012-12-05 22:02  sshdiqiu\build\classes\spring\spring-dao.xml

     文件        713  2012-12-05 23:09  sshdiqiu\build\classes\struts.xml

............此处省略135个文件信息