JS代码
(function(){(function(){.post("getItemCatList.action",null,function(data){ var str=""; .each(data,function(index,info)str+=""+info[′name′]+"";).each(data,function(index,info)str+=""+info[′name′]+"";)("#c1").append(str); }) ("#c1").change(function(){$("#c2").empty();
$.post("getItemCatList.action",{parentId:$(this).val()},function(data){
var str="";
$.each(data,function(index,info){
str+=""+info['name']+"";
})
$("#c2").append(str);
})
})("#c1").change(function(){ $("#c2").empty(); $.post("getItemCatList.action",{parentId:$(this).val()},function(data){ var str=""; $.each(data,function(index,info){ str+=""+info['name']+""; }) $("#c2").append(str); }) })("#c2").change(function(){ ("#c3").empty();("#c3").empty();.post("getItemCatList.action",{parentId:(this).val()},function(data){
var str="";(this).val()},function(data){ var str="";.each(data,function(index,info){ str+=""+info['name']+""; }) $("#c3").append(str); }) }) })
一级菜单
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二级菜单
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三级菜单
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Java代码
@Autowired
private ItemCatService itemCatService;
@RequestMapping("getItemCatList")
@ResponseBody
public List<TbItemCat> getItemCatList(@RequestParam(value = "parentId", defaultValue = "0") long parentId) {
return itemCatService.getByParentId(parentId);
}
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