/**
* 多级树形结构
*
* @param response
* @return
*/
@RequestMapping(value = "/listTree", produces = "application/json", method = RequestMethod.POST)
public @ResponseBody ResponseEntity<ResultEntity> listTree(
HttpServletResponse response, HttpServletRequest request) {
ResultEntity result = new ResultEntityLinkedHashMapImpl();
Map<String, Object> content = new LinkedHashMap<String, Object>();
String path = request.getContextPath();
String detail = "<td><i style=\"width: 100px;display: inline-block;\"></i>排序 : %s</td>";
String operation = "<td><a href='" + path + "/menu/%s/toTreeEdit'>编辑</a></td>";
String item =
"<table style='display: inline-block;'><tr><td style='width: 215px;'> %s</td>"
+ operation
+ detail
+ "</tr></table>";
try {
Map<String, Object> params = new HashMap<String, Object>();
params.put("level", 1);
List<SysMenu> menus = sysMenuService.find(params);
if (menus != null) {
int size = menus.size();
for (int i = 0; i < size; i++) {
Map<String, Object> parent = new HashMap<String, Object>();
SysMenu menu_1 = menus.get(i);
String id = menu_1.getId();
String name = menu_1.getName();
parent.put("name", String.format(item, name, id, menu_1.getSorter()));
params.clear();
params.put("id", id);
List<SysMenu> childList = sysMenuService.find(params);
if (childList != null && childList.size() > 0) {
Map<String, Object> xs = new LinkedHashMap<String, Object>();
findChild(childList, xs, item);
Map<String, Object> children = new HashMap<String, Object>();
children.put("children", xs);
parent.put("type", "folder");
parent.put("additionalParameters", children);
} else {
parent.put("type", "item");
}
content.put(menu_1.getId(), parent);
}
}
result.setStatus(ResultEntity.KW_STATUS_SUCCESS);
} catch (ServiceException e) {
result.setStatus(ResultEntity.KW_STATUS_FAIL);
logger.error(e);
}
result.setResult(content);
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
response.setCharacterEncoding("UTF-8");
return new ResponseEntity<ResultEntity>(result, headers, HttpStatus.OK);
}
/**
* 递归 遍历 树的子节点
*
* @param menus
* @param sonsMap
* @throws ServiceException
*/
public void findChild(List<SysMenu> menus, Map<String, Object> sonsMap, String item)
throws ServiceException {
Map<String, Object> params = new HashMap<String, Object>();
if (menus != null && menus.size() > 0) {
int size = menus.size();
for (int i = 0; i < size; i++) {
SysMenu menu = menus.get(i);
Map<String, Object> son = new HashMap<String, Object>();
son.put("name", String.format(item, menu.getName(), menu.getId(), menu.getSorter()));
params.clear();
params.put("id", menu.getId());
List<SysMenu> subs = sysMenuService.find(params); // 判断是否还有子节点
if (subs != null && subs.size() != 0) {
son.put("type", "folder");
Map<String, Object> xs = new LinkedHashMap<String, Object>();
findChild(subs, xs, item);
Map<String, Object> children = new HashMap<String, Object>();
children.put("children", xs);
son.put("additionalParameters", children);
sonsMap.put(String.valueOf(i) + "-" + menu.getId(), son);
} else {
son.put("type", "item");
sonsMap.put(String.valueOf(i) + "-" + menu.getId(), son);
continue;
}
}
}
}
/**
* 多级树形结构
*
* @param response
* @return
*/
@RequestMapping(value = "/comboTree", produces = "application/json", method = RequestMethod.POST)
public @ResponseBody ResponseEntity<String> comboTree(
HttpServletResponse response, HttpServletRequest request) {
JSONArray list = new JSONArray();
JSONObject result = new JSONObject();
List<Map<String, Object>> content = new ArrayList<Map<String, Object>>();
try {
Map<String, Object> params = new HashMap<String, Object>();
params.put("level", 1);
List<SysMenu> menus = sysMenuService.find(params);
if (menus != null) {
int size = menus.size();
for (int i = 0; i < size; i++) {
Map<String, Object> parent = new HashMap<String, Object>();
SysMenu menu_1 = menus.get(i);
String id = menu_1.getId();
String name = menu_1.getName();
params.clear();
params.put("id", id);
List<SysMenu> childList = sysMenuService.find(params);
parent.put("id", id);
parent.put("text", name);
if (childList != null && childList.size() > 0) {
List<Map<String, Object>> xs = new ArrayList<Map<String, Object>>();
findSubTree(childList, xs);
parent.put("children", xs);
}
content.add(parent);
}
}
} catch (ServiceException e) {
logger.error(e);
}
result.put("id", "");
result.put("text", "请选择父级树");
result.put("iconCls", "icon-save");
result.put("children", content);
list.put(result);
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
response.setCharacterEncoding("UTF-8");
return new ResponseEntity<String>(list.toString(), headers, HttpStatus.OK);
}
/**
* 增加树节点
*
* @param model
* @return
* @throws ServiceException
*/
@RequestMapping("/toAddTree")
public String toAddTree(Model model) throws ServiceException {
List<Map<String, Object>> parents = sysMenuService.find(null);
model.addAttribute("parents", parents);
return "sys/tree_add";
}
/**
* 递归 遍历树子节点
*
* @param menus
* @param sonsMap
* @throws ServiceException
*/
public void findSubTree(List<SysMenu> menus, List<Map<String, Object>> sonList)
throws ServiceException {
Map<String, Object> params = new HashMap<String, Object>();
if (menus != null && menus.size() > 0) {
int size = menus.size();
for (int i = 0; i < size; i++) {
SysMenu menu = menus.get(i);
Map<String, Object> son = new HashMap<String, Object>();
params.clear();
params.put("id", menu.getId());
List<SysMenu> subs = sysMenuService.find(params); // 判断是否还有子节点
son.put("id", menu.getId());
son.put("text", menu.getName());
if (subs != null && subs.size() != 0) {
List<Map<String, Object>> xs = new ArrayList<Map<String, Object>>();
findSubTree(subs, xs);
son.put("children", xs);
}
sonList.add(son);
}
}
}