html+js
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title> New Document </title> <meta name="Generator" content="EditPlus"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"/> <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script> <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script> </head> <body> <div class="jumbotron"> <div class="container"> <div class="form-group" id="mychart1-dq"> <label for="" class="col-sm-2 control-label">省份名称：</label> <div class="col-sm-2" style="padding-bottom: 5px;"> <select class="form-control" name="PROVINCE_ID" id="PROVINCE_ID"> <option value=''>请选择...</option> </select> </div> <label for="" class="col-sm-2 control-label">县市名称：</label> <div class="col-sm-2" style="padding-bottom: 5px;"> <select class="form-control" name="PREFECTURE_ID" id="PREFECTURE_ID"> <option value=''>请选择...</option> </select> </div> <label for="" class="col-sm-2 control-label">乡村名称：</label> <div class="col-sm-2" style="padding-bottom: 5px;"> <select class="form-control" name="TOWNSHIP_ID" id="TOWNSHIP_ID"> <option value=''>请选择...</option> </select> </div> </div> </div> </div> </body> </html> <script type="text/javascript" > //省市三级联动 $(function(){ $("#dqjz").each(function(){ var url = reqprojectname_w+'infofind/findDq'; var dzJson; var dz_html=""; var oDzlx = $("#PROVINCE_ID"); var oYkzl = $("#PREFECTURE_ID"); var oYkzl2 = $("#TOWNSHIP_ID"); //console.log(dzJson); var dzlx = function(){ if( typeof(dzJson) == "undefined" || dzJson.length == 0 ){ dz_html+="<option value=''>请选择...</option>"; }else{ $.each(dzJson,function(i,v){ dz_html+="<option value='"+v.k+"' >"+v.n+"</option>"; }); } oDzlx.html(dz_html); ykzl(); }; var ykzl = function(){ dz_html = ""; var n = oDzlx.get(0).selectedIndex; if( typeof(dzJson) == "undefined" || typeof(dzJson[n]) == "undefined" ||typeof(dzJson[n].list) == "undefined" ){ dz_html+="<option value=''>请选择...</option>"; }else{ $.each(dzJson[n].list,function(i,v){ dz_html+="<option value='"+v.k+"'>"+v.n+"</option>"; }); } oYkzl.html(dz_html); ykzl2(); }; //赋值县 var ykzl2 = function(){ dz_html = ""; var m = oDzlx.get(0).selectedIndex; var n = oYkzl.get(0).selectedIndex; if(typeof(dzJson[m]) == "undefined" || typeof(dzJson[m].list[n]) == "undefined" || typeof(dzJson[m].list[n].list) == "undefined"){ dz_html+="<option value=''>请选择...</option>"; }else{ $.each(dzJson[m].list[n].list,function(i,v){ dz_html+="<option value='"+v.k+"'>"+v.n+"</option>"; }); oYkzl2.html(dz_html); }; }; oDzlx.change(function(){ ykzl(); }); oYkzl.change(function(){ ykzl2(); }); //获取json数据 $.getJSON(url,function(data){ //地区 dzJson = data.list; dzlx(); }); }); }); </script>
java接口数据处理
/** * 加载地区 * @param req * @param res */ @RequestMapping("findDq") public void findDq(HttpServletRequest req, HttpServletResponse res) { Map<String,Object> map = new HashMap<String, Object>(); JvmInfo jvm = JvmInfo.getIntence(); List<KeyAndValue> list = jvm.getDqList(); if( list == null || list.isEmpty()){ list = new ArrayList<KeyAndValue>();
//第三级（数据组成自行实现） List<DqxzmcModel> dqxzListModel = dqxzmcService.findList(); Map<Integer, List<KeyAndValue>> dqxzmap = new HashMap<Integer, List<KeyAndValue>>(); if(dqxzListModel != null && dqxzListModel.size()>0){ for (DqxzmcModel d : dqxzListModel) { List<KeyAndValue> dzlist = dqxzmap.get(d.getCITY_ID()); if( dzlist == null ){ dzlist = new ArrayList<KeyAndValue>(); dqxzmap.put(d.getCITY_ID(), dzlist); } KeyAndValue kv = new KeyAndValue(); kv.setK(d.getIdStr()); kv.setN(d.getTOWN_NAME()); dzlist.add(kv); } }
//第二级（数据组成自行实现） List<DqxsmcModel> dqxsListModel = dqxsmcService.findList(); Map<Integer, List<KeyAndValue>> dqxsmap = new HashMap<Integer, List<KeyAndValue>>(); if(dqxsListModel != null && dqxsListModel.size()>0){ for (DqxsmcModel d : dqxsListModel) { List<KeyAndValue> dzlist = dqxsmap.get(d.getPROVINCE_ID()); if( dzlist == null ){ dzlist = new ArrayList<KeyAndValue>(); dqxsmap.put(d.getPROVINCE_ID(), dzlist); } KeyAndValue kv = new KeyAndValue(); kv.setK(d.getIdStr()); kv.setN(d.getCITY_NAME()); List<KeyAndValue> childList = dqxzmap.get(d.getID()); if( childList != null && childList.size()>0){ kv.addLists(childList); } dzlist.add(kv); } }
//第一级（数据组成自行实现） List<DqsfmcModel> dqsfLstModel = dqsfmcService.findList(); if(dqsfLstModel != null && dqsfLstModel.size()>0){ for (DqsfmcModel d : dqsfLstModel) { KeyAndValue kv = new KeyAndValue(); kv.setK(d.getIdStr()); kv.setN(d.getPROVINCE_NAME()); List<KeyAndValue> childList = dqxsmap.get(d.getID()); if( childList != null && childList.size()>0){ kv.addLists(childList); } list.add(kv); } } } map.put("list", list); CtrlUtils.putJSON(map, res); }