Ztree实现主要代码

@Controller @RequestMapping("/admin/content") public class ChannelController { @Autowired private ChannelTypeService channelTypeService; @Autowired private ChannelService channelService; /** * 栏目列表 * * @return */ @RequestMapping(value = "/channel", method = RequestMethod.GET) public String channel() { return "channel/channel"; } /** * 栏目树：获取id,parentId,Name 异步ajax * * @return */ @RequestMapping("/ajaxchannel") @ResponseBody public List<Channel> ajaxchannel() { List<Channel> mvList = channelService.listChannelByTree(); return mvList; } /** * 获取当前操作栏目名称 * * @param pid * @param model */ public void initRoot(Integer pid, Model model) { Channel currentChannelName = channelService.findChannelById(pid); model.addAttribute("currentChannelName", currentChannelName); } /** * 通过channel表type属性获取contentType表name属性 * * @param pid * @param model */ public void initChannel(Integer pid, Model model) { ChannelVo cs = null; List<ChannelVo> cLists = new ArrayList<ChannelVo>(); List<Channel> channelLists = channelService.listChannelByParent(pid); String channelTypeName = null; for (Channel channel : channelLists) { channelTypeName = this.channelTypeService. findNameById(channel.getType()); cs = new ChannelVo(channel.getId(), channelTypeName, channel.getTitle(), channel.getHint(), channel.getChannelOrder(), channel.getStatus(), channel.isRecommend()); cLists.add(cs); } model.addAttribute("channels", cLists); } /** * 点击任意栏目,列出该栏目下的子栏目 * * @param pid * @param model * @return */ @RequestMapping("/channel/{pid}") public String listChannelByParent(@PathVariable Integer pid, Model model) { initRoot(pid, model); initChannel(pid, model); return "channel/channelChild"; } /** * 添加栏目 * * @return */ @RequestMapping(value = "/channelSave/{pid}", method = RequestMethod.GET) public String channelSave(@PathVariable Integer pid, Model model) { initRoot(pid, model); model.addAttribute("channel", new Channel()); return "channel/channelSave"; } /** * 添加栏目后跳转 * * @return */ @RequestMapping(value = "/channelSave/{pid}", method = RequestMethod.POST) public String channelSave(@PathVariable Integer pid, Model model, Channel channel) { initRoot(pid, model); Integer channelOrder = this.channelService.getMaxOrderByParent(pid); if (channelOrder == null) { channelOrder = 0; } if (pid == 0) { channel.setParentId(0); channel.setChannelOrder(0); }else { channel.setParentId(pid); channel.setChannelOrder(channelOrder + 1); } channelService.save(channel); return "redirect:/admin/content/channel/" + pid; } /** * 更新栏目 * * @return */ @RequestMapping(value = "/channelUpdate/{id}", method = RequestMethod.GET) public String channelUpdate(@PathVariable Integer id, Model model) { Channel channel = channelService.findChannelById(id); model.addAttribute("channel", channel); return "channel/channelUpdate"; } /** * 更新栏目后跳转 * * @return */ @RequestMapping(value = "/channelUpdate/{id}", method = RequestMethod.POST) public String channelUpdate(@PathVariable Integer id, Channel channel) { Channel channel2 = channelService.findChannelById(id); channel2.setTitle(channel.getTitle()); channel2.setType(channel.getType()); channel2.setStatus(channel.getStatus()); channel2.setRecommend(channel.isRecommend()); channelService.update(channel2); return "redirect:/admin/content/channel/" + id; } }