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小编给大家分享一下JavaScript实现省市区三级联动的方法，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
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具体内容如下
首先是js
$(document).ready(function(){
getErpMarketByParentCode(0,'province',province);
getErpMarketByParentCode(province,'city',city);
getErpMarketByParentCode(city,'area',area);
getErpMarketByParentCode(area,'market',market);
$('#city').append($('然后是后台方法
@RequestMapping(value = "/getErpMarketByParentCode")
public ModelAndView getErpMarketByParentCode(HttpServletRequest request, HttpServletResponse response) throws Exception {
String code = request.getParameter("code");
List erpMarketList = erpMarketService.getErpMarketListByParentCode(code);
JSONObject jsonObject = new JSONObject();
jsonObject.put("erpMarketList",erpMarketList);
response.getWriter().write(jsonObject.toString());
return null;
} service方法，是从内从中获取省市区这张表
public ListgetErpMarketListByParentCode(String parentCode){ Hashtable erpMarketTable = LoadOnStartService.erpMarketTable;//从内存中获取这张表 List erpMarketList = new ArrayList (); Iterator its = erpMarketTable.keySet().iterator(); while(its.hasNext()){ String key = Util.getString(its.next()); ErpMarket erpMarket = (ErpMarket)erpMarketTable.get(key); if(parentCode.equals(erpMarket.getParentCode())){ erpMarketList.add(erpMarket); } } return erpMarketList; }
省市区的实体类
package com.erp.entity;
/**
* ErpMarket entity.
*
* @author MyEclipse Persistence Tools
*/
public class ErpMarket implements java.io.Serializable {
// Fields
private String code;
private String shortCode;
private String name;
private String level;
private String parentCode;
// Constructors
/** default constructor */
public ErpMarket() {
}
/** full constructor */
public ErpMarket(String shortCode, String name, String level, String parentCode) {
this.shortCode = shortCode;
this.name = name;
this.level = level;
this.parentCode = parentCode;
}
// Property accessors
public String getCode() {
return this.code;
}
public void setCode(String code) {
this.code = code;
}
public String getShortCode() {
return this.shortCode;
}
public void setShortCode(String shortCode) {
this.shortCode = shortCode;
}
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
public String getLevel() {
return this.level;
}
public void setLevel(String level) {
this.level = level;
}
public String getParentCode() {
return this.parentCode;
}
public void setParentCode(String parentCode) {
this.parentCode = parentCode;
}
}以上是“JavaScript实现省市区三级联动的方法”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注创新互联行业资讯频道！
