$.ajax({
url:"${ctx}/place/basePlace/getDict",
type:"post",
dataType:"json",
data:{
"type" : "place_type",
"ParentId" : value
},
success:function(data){
debugger
$("#place_type").empty();
// 实际的应用中，这里的option一般都是用循环生成多个了
var options = "";
$.each(data.dicts,function (index,item){
options += "<option value ='"+item.value+"'>"+item.label+"</option>"
});
$("#place_type").append(options);
},
error:function(data,status){
alert("请求出现错误，请联系管理员！");
$("#code").val('');
}
})

后台

@ResponseBody @RequestMapping(value = "getDict") public Map<String,Object> getDict(Dict dict,HttpServletRequest request,HttpServletResponse response,Model model) { Map<String,Object> result = new HashMap<String,Object>(); List<Dict> dicts = new ArrayList<>(); if(StringUtils.isNotBlank(dict.getParentId()) && StringUtils.isNotBlank(dict.getType())){ dicts = basePlaceService.findDicts(dict); } if(dicts != null){ result.put("dicts",dicts); } return result; }