/**
* 获取用户的权限范围内的区域菜单树
*
* @return
*/
public String terminalGroupTree() {
// 得到当前用户
String username = (String) SecurityUtils.getSubject().getPrincipal();
User user = userService.findByUsername(username);
List<TerminalMenu> menus = (List<TerminalMenu>) menuManageService
.getAllTerminalMenus();
// 获得用户权限范围类的区域权限和根权限
List<TerminalMenu> userTerminalMenus = new ArrayList<>();
List<TerminalMenu> topTerminalMenus = new ArrayList<>();
for (TerminalMenu menu : menus) {
userTerminalMenus.add((TerminalMenu) menu);
if (null == menu.getPid()) {
topTerminalMenus.add((TerminalMenu) menu);
}
}
StringBuffer stringBuffer = new StringBuffer();
stringBuffer.append("[{\"id\":\"-1\",\"text\":\"区域\",\"children\":");
Collections.sort(topTerminalMenus);
buildTreeJson(topTerminalMenus, stringBuffer, userTerminalMenus);
stringBuffer.append("}]");
// 直接返回原始字符串
HttpServletResponse response = ServletActionContext.getResponse();
response.setContentType("text/html;charset=utf-8");
PrintWriter out;
try {
out = response.getWriter();
out.println(stringBuffer.toString());
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 生成菜单树JSON
*
* @param menus
* @param stringBuffer
*/
private void buildTreeJson(List<TerminalMenu> menus, StringBuffer json,
List<TerminalMenu> userTerminalMenus) {
json.append("[");
if (menus != null && menus.size() > 0) {
for (int i = 0; i < menus.size(); i++) {
TerminalMenu terminalMenu = menus.get(i);
json.append("{");
json.append("\"id\"");
json.append(":");
json.append(terminalMenu.getId());
// ||MenuType.City.toString().equals(terminalMenu.getType())
if (MenuType.Province.toString().equals(terminalMenu.getType())) {
json.append(",");
json.append("\"state\"");
json.append(":");
json.append("\"");
json.append("closed");
json.append("\"");
}
json.append(",");
json.append("\"text\"");
json.append(":");
json.append("\"");
json.append(terminalMenu.getName());
json.append("\"");
json.append(",");
json.append("\"attributes\":");
json.append("{\"refId\":");
json.append(terminalMenu.getRefId());
if (MenuType.Terminal.toString().equals(terminalMenu.getType())) {
Terminal terminal = terminalService
.getTerminal(terminalMenu.getRefId());
if (null != terminal) {
json.append(",\"online\":");
json.append(terminal.isOnline());
json.append(",\"boxID\":\"");
json.append(terminal.getBoxId());
json.append("\"");
}
}
json.append(",\"type\":\"");
json.append(terminalMenu.getType());
json.append("\"}");
List<TerminalMenu> children = new ArrayList<TerminalMenu>();
children.addAll(findTerminalMenusFromListByPid(
terminalMenu.getId(), userTerminalMenus));
Collections.sort(children);
if (children != null && children.size() > 0) {
json.append(",");
json.append("\"children\"");
json.append(":");
buildTreeJson(children, json, userTerminalMenus);
}
json.append("}");
if (i != menus.size() - 1) {
json.append(",");
}
}
}
json.append("]");
}
/**
* 在menus中找符合pid的menus
*
* @param pid
* @param menus
* @return
*/
public List<TerminalMenu> findTerminalMenusFromListByPid(Long pid,
List<TerminalMenu> menus) {
List<TerminalMenu> list = new ArrayList<>();
if (null != menus) {
for (TerminalMenu terminalMenu : menus) {
if (null != terminalMenu.getPid()
&& pid.longValue() == terminalMenu.getPid().longValue()) {
list.add(terminalMenu);
} else {
continue;
}
}
}
return list;
}
[
{
"id": "-1",
"text": "区域",
"children": [
{
"id": 118,
"state": "closed",
"text": "客运",
"attributes": {
"refId": 117,
"type": "Province"
},
"children": [
{
"id": 124,
"text": "大巴",
"attributes": {
"refId": 123,
"type": "City"
},
"children": [
{
"id": 159,
"text": "351564060956810",
"attributes": {
"refId": 158,
"online": false,
"boxID": "351564060956810",
"type": "Terminal"
}
},
{
"id": 473,
"text": "352482034997118",
"attributes": {
"refId": 472,
"online": false,
"boxID": "352482034997118",
"type": "Terminal"
}
},
{
"id": 274,
"text": "352575071663913",
"attributes": {
"refId": 273,
"online": false,
"boxID": "352575071663913",
"type": "Terminal"
}
},
{
"id": 144,
"text": "352575073269313",
"attributes": {
"refId": 143,
"online": false,
"boxID": "352575073269313",
"type": "Terminal"
}
},
{
"id": 126,
"text": "55555555",
"attributes": {
"refId": 125,
"online": false,
"boxID": "55555555",
"type": "Terminal"
}
},
{
"id": 410,
"text": "86877000",
"attributes": {
"refId": 409,
"online": false,
"boxID": "86877000",
"type": "Terminal"
}
},
{
"id": 155,
"text": "868770001662336",
"attributes": {
"refId": 154,
"online": false,
"boxID": "868770001662336",
"type": "Terminal"
}
},
{
"id": 388,
"text": "868770001668168",
"attributes": {
"refId": 387,
"online": false,
"boxID": "868770001668168",
"type": "Terminal"
}
},
{
"id": 460,
"text": "868770001668200",
"attributes": {
"refId": 459,
"online": false,
"boxID": "868770001668200",
"type": "Terminal"
}
},
{
"id": 151,
"text": "868770001678167",
"attributes": {
"refId": 150,
"online": false,
"boxID": "868770001678167",
"type": "Terminal"
}
},
{
"id": 327,
"text": "868770001679363",
"attributes": {
"refId": 326,
"online": false,
"boxID": "868770001679363",
"type": "Terminal"
}
}
]
},
{
"id": 120,
"text": "火车",
"attributes": {
"refId": 119,
"type": "City"
},
"children": [
{
"id": 134,
"text": "44444444",
"attributes": {
"refId": 133,
"online": false,
"boxID": "44444444",
"type": "Terminal"
}
}
]
}
]
},
{
"id": 112,
"state": "closed",
"text": "四川",
"attributes": {
"refId": 111,
"type": "Province"
},
"children": [
{
"id": 128,
"text": "成都",
"attributes": {
"refId": 127,
"type": "City"
},
"children": [
{
"id": 130,
"text": "66666666",
"attributes": {
"refId": 129,
"online": false,
"boxID": "66666666",
"type": "Terminal"
}
}
]
},
{
"id": 114,
"text": "绵阳",
"attributes": {
"refId": 113,
"type": "City"
},
"children": [
{
"id": 116,
"text": "33333333",
"attributes": {
"refId": 115,
"online": false,
"boxID": "33333333",
"type": "Terminal"
}
}
]
}
]
}
]
}
]