GET 取得当前资源库文件夹列表
**

范例代码：

  1. var requestOptions = {
  2.   method: 'GET',
  3.   redirect: 'follow'
  4. };
  6. fetch("http://localhost:41595/api/folder/list", requestOptions)
  7.   .then(response => response.json())
  8.   .then(result => console.log(result))
  9.   .catch(error => console.log('error', error));

返回结果：

  1. {
  2.     "status": "success",
  3.     "data": [
  4.         {
  5.             "id": "JMHB2Y3Y3AA75",
  6.             "name": "UI Design",
  7.             "description": "",
  8.             "children": [],
  9.             "modificationTime": 1537854867502,
  10.             "tags": [],
  11.             "imageCount": 33,
  12.             "descendantImageCount": 33,
  13.             "pinyin": "UI Design",
  14.             "extendTags": []
  15.         },
  16.         {
  17.             "id": "JMHB2Y3Y3AA76",
  18.             "name": "Post Design",
  19.             "description": "",
  20.             "children": [],
  21.             "modificationTime": 1487586362384,
  22.             "tags": [],
  23.             "imageCount": 2800,
  24.             "descendantImageCount": 2800,
  25.             "pinyin": "Post Design",
  26.             "extendTags": []
  27.         },
  28.         {
  29.             "id": "JMHB2Y3Y3AA77",
  30.             "name": "Movie Post Design",
  31.             "description": "",
  32.             "children": [],
  33.             "modificationTime": 1487586529221,
  34.             "tags": [],
  35.             "imageCount": 449,
  36.             "descendantImageCount": 449,
  37.             "pinyin": "Movie Post Design",
  38.             "extendTags": []
  39.         },
  40.         {
  41.             "id": "JMHB2Y3Y3AA78",
  42.             "name": "Business Card Design",
  43.             "description": "",
  44.             "children": [],
  45.             "modificationTime": 1494390324202,
  46.             "tags": [
  47.                 "Business Card"
  48.             ],
  49.             "imageCount": 1236,
  50.             "descendantImageCount": 1236,
  51.             "pinyin": "Business Card Design",
  52.             "extendTags": [
  53.                 "Business Card"
  54.             ]
  55.         }
  56.     ]
  57. }