layui-admin练手版

package com.kongjs.admin.controller.admin; import cn.hutool.core.lang.tree.Tree; import cn.hutool.core.lang.tree.TreeUtil; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; @Controller @RequestMapping("admin") public class AdminController { @RequestMapping public ModelAndView index() { ModelAndView modelAndView = new ModelAndView(); modelAndView.setViewName("/admin/index"); List<Map<String, Object>> treeNodeList = new ArrayList<>(); for (int i = 0; i < 5; i++) { Map<String, Object> map = new HashMap<>(); map.put("id", i); map.put("parentId", i - 1); map.put("name", "test-" + i); map.put("weight", i); map.put("url", "/menu/"); map.put("type", "link"); treeNodeList.add(map); } List<Tree<Long>> trees = TreeUtil.build(treeNodeList, 0L, (map, tree) -> { tree.setId(Long.valueOf(map.get("id").toString())); tree.setParentId(Long.valueOf(map.get("parentId").toString())); tree.setName(map.get("name").toString()); tree.setWeight(Integer.valueOf(map.get("weight").toString())); tree.putExtra("url", map.get("url")); tree.putExtra("type", map.get("type")); }); List<Map<String, Object>> navs = new ArrayList<>(); for (int i = 0; i < 5; i++) { Map<String, Object> map = new HashMap<>(); if (i == 4) { List<Map<String, Object>> maps = new ArrayList<>(); for (int j = 0; j < 3; j++) { Map<String, Object> map1 = new HashMap<>(); map1.put("name", "多大事情-" + j); map1.put("url", ""); maps.add(map1); } map.put("children", maps); } map.put("name", "多大事情-" + i); map.put("url", ""); navs.add(map); } modelAndView.addObject("leftMenu", trees); modelAndView.addObject("rightMenu",new ArrayList<>()); modelAndView.addObject("navMenu", navs); return modelAndView; } }