省市区三级级联,含有数据库.单一外键模式.

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1.最重要的是js部分.其他的数据库使用Oralce10g,MyEclipse8.6,tomcat6.x可.
2. 本身整个文件 16M>10M无法全部上传,所以学会抽出对自己有用的部分
MarketAction.java

package com.action;

import java.util.Date;
import java.util.List;
import java.util.Map;
import com.entity.Market;
import com.biz.MarketBiz;
import com.entity.Province;
import com.biz.ProvinceBiz;
import java.util.ArrayList;
import java.io.UnsupportedEncodingException;

import net.sf.json.JSONArray;
import net.sf.json.JsonConfig;

/**
* ********************************************************
* @ClassName: MarketAction
* @Description: 市级表
* @author 生成Action类
* @date 2014-08-28 下午 09:32:26 
*******************************************************
*/
public class MarketAction {

	private MarketBiz marketbiz;

	private Market market = new Market();

	private List marketlist = new ArrayList();

	private List provincelist = new ArrayList();
	
	private JSONArray jsons;
	
	private Integer id;

	/**
	 *
	 *添加表信息
	 *
	 **/
	public String addMarket(){
		Integer results = marketbiz.addMarket(market);
		if (results > 0 ) {
			return "successs";
		}else {
			return "error";
		}
	}

	/**
	 *
	 *查询表所有信息
	 *
	 **/
	public String getAllMarket(){
		marketlist = marketbiz.getAllMarket();
		if (marketlist.size() > 0 ) {
			return "success";
		}else {
			return "error";
		}
	}

	/**
	 *
	 *根据@id查询表信息
	 *
	 **/
	public String getMarket_id(){ 
		market.setProvince_id(id);
		marketlist = marketbiz.getMarket_id(market);
		if (marketlist.size() > 0 ) {
			JsonConfig config = new JsonConfig();
			config.setExcludes(new String[]{"county"});
			jsons = JSONArray.fromObject(marketlist,config);
			return "edit";
		}else {
			return "error";
		}
	}

	/**
	 *
	 *根据@id修改表信息
	 *
	 **/
	public String updaMarket_id(){
		try {
			
			marketbiz.updaMarket_id(market);
		} catch (Exception e) {
			// TODO: handle exception
			return "error";
		}
		return "successs";
	}

	/**
	 *
	 *根据@id删除表信息
	 *
	 **/
	public String deleMarket(){
		try {
			marketbiz.deleMarket(market);
		} catch (Exception e) {
			// TODO: handle exception
			return "error";
		}
		return "successs";
	}

	/**
	 *
	 *查询关联表信息
	 *
	 **/
	public String reAllProvince(){
		provincelist = marketbiz.reAllProvince();
		if (provincelist.size() > 0 ) {
			return "relist";
		}else {
			return "error";
		}
	}

	public Market getMarket() {
		return market;
	}
	public void setMarket(Market market) {
		this.market = market;
	}
	public List getProvincelist() {
		return provincelist;
	}
	public void setProvincelist(List provincelist) {
		this.provincelist = provincelist;
	}
	public List getMarketlist() {
		return marketlist;
	}
	public void setMarketlist(List marketlist) {
		this.marketlist = marketlist;
	}
	public void setMarketbiz(MarketBiz marketbiz) {
		this.marketbiz = marketbiz;
	}

	public JSONArray getJsons() {
		return jsons;
	}

	public void setJsons(JSONArray jsons) {
		this.jsons = jsons;
	}

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}
	
}

jilian.js

function changes(obj,selectid,url){ //当前对象,选中的id,url路径.
	var id = "#"+selectid;
	if($(obj).val() != 0){
		$.ajax({type:"post",url:url,dataType:"json",
			data:{"id":$(obj).val()},//简写:TUDD.
	        success:function(data){
	           $(id).html("");
	           $.each(data,function(i,item){ 
	        	  if(selectid == "shi"){
	        		  $(id).append(""+item.market_name+"");
	        	  }
	        	  if(selectid == "xian"){
	        		  $(id).append(""+item.county_name+"");
	        	  }
	           });
	           if(selectid == "shi"){ // 如果下一个是市,就加上请选择市.
	        	  $(id).attr("disabled",false);
	     		  $(id).append("---请选择市/区---");
	     		  $.each($("select"),function(i,item){
	     			if(i >= $(id).index()){
	     				i++;
	  	     		  $("select:eq("+i+")").attr("disabled",true);//改变select不可用
	  	     		  $("select:eq("+i+")").val(0);
	     			}
	     		})
	     		  
	     	  	}
	           if(selectid == "xian"){ //同上
	     	  		$(id).attr("disabled",false);
	     	  		$(id).append("---请选择县/区---");
	     	  	}
	        }
	    });
	}else if(selectid == "shi" || selectid == "xian"){ //如果当前选择项是 请选择,那么下个就也是请选择,
		//且不可用- 
		$.each($("select"),function(i,item){
			if(i >= $(id).index()){
				$(item).attr("disabled",true);
				$(item).val(0);
			}
		})
	}
}

页面部分:list.jsp

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="/struts-tags" prefix="s"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%>




	
		

		
		
		
		
		
		
		

	

	
		
				style="background-color:red;">
					

			
Url控制
			

				
市级id（外键）
				
县级id
				
县级名称
				
操作
			
			

					

					

					

						添加
						">修改
						)">删除
					
				
			
		



	

struts-contor.xml

	
	
	
	
	

		
		
			Market/save.jsp
			Market/list.jsp
			marketgetAllMarket.action
			
				jsons
			
			Market/error.jsp
		

		
		
			MyJsp.jsp
			provincegetAllProvince.action
			Province/update.jsp
			Province/error.jsp
		

		
		
			County/save.jsp
			County/list.jsp
			countygetAllCounty.action
			
				jsons
			
			County/error.jsp
		
		
	

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