字符串解析成easyui-tree的格式

传入的list:

[30 : null : null, 301503 : null : null, 301501 : null : null, 301502 : null : null, 3015 : null : null]

解析后的json:

  1 public class LeftTreeBean {
  2     public StringBuilder getTreeMenus(List lst, String contextPath) {
  3         StringBuilder model = new StringBuilder("");
  4         String RightName = "";
  5         String RightURL = "";
  6
  7         Map rightMap = new HashMap();
  8
  9 //        for (RightObject ro : (ArrayList) lst) {
 10         for (Object ro : lst) {
 11             ro = (RightObject)ro;
 12             String parentId = ((RightObject) ro).getParentID();
 13
 14             if ((parentId == null) || (parentId.trim().length() == 0)
 15                     || (parentId.equalsIgnoreCase("0"))) {
 16                 parentId = "0";
 17             }
 18             if (!rightMap.containsKey(parentId)) {
 19                 rightMap.put(parentId, new ArrayList());
 20             }
 21
 22             ((List) rightMap.get(parentId)).add(ro);
 23         }
 24
 25         List lro = (List) rightMap.get("0");
 26
 27         if (lro != null) {
 28             model.append("[");
 29
 30             Map mt = ConfUtil.getMenus();
 31
 32 //            for (RightObject ro : lro) {
 33             for (Object ro : lro) {
 34                 ro = (RightObject)ro;
 35                 RightName = (String) ((Map) mt.get(((RightObject) ro).getRightID()))
 36                         .get("RIGHTNAME");
 37                 RightURL = "";
 38
 39                 model.append(‘{‘).append("key:")
 40                         .append(JSONUtilities.quote(((RightObject) ro).getRightID()))
 41                         .append(",title:")
 42                         .append(JSONUtilities.quote(RightName));
 43
 44                 if (rightMap.containsKey(((RightObject) ro).getRightID())) {
 45                     model.append(",isFolder:true,children:[\n");
 46
 47                     for (RightObject ro2 : (List) rightMap.get(ro.getRightID())) {
 48                         Map rItem = (Map) mt.get(ro2.getRightID());
 49                         if (rItem != null) {
 50                             RightName = (String) rItem.get("RIGHTNAME");
 51
 52                             model.append("\t{")
 53                                     .append("key:")
 54                                     .append(JSONUtilities.quote(ro2
 55                                             .getRightID())).append(",title:")
 56                                     .append(JSONUtilities.quote(RightName));
 57
 58                             if (rightMap.containsKey(ro2.getRightID())) {
 59                                 model.append(",isFolder:true,children:[\n");
 60
 61                                 for (RightObject ro3 : (List) rightMap.get(ro2
 62                                         .getRightID())) {
 63                                     if (mt.containsKey(ro3.getRightID())) {
 64                                         RightName = (String) ((Map) mt.get(ro3
 65                                                 .getRightID()))
 66                                                 .get("RIGHTNAME");
 67                                         RightURL = (String) ((Map) mt.get(ro3
 68                                                 .getRightID())).get("URL");
 69                                         String BUSSFUNCID = ro3.getBussFuncID();
 70
 71                                         String split = RightURL.indexOf("?") >= 0 ? "&"
 72                                                 : "?";
 73                                         String url = contextPath
 74                                                 + RightURL.replace(‘\\‘, ‘/‘)
 75                                                 + split + "RightID="
 76                                                 + ro3.getRightID()
 77                                                 + "&_menuID="
 78                                                 + ro3.getRightID() + "&funcID="
 79                                                 + BUSSFUNCID;
 80
 81                                         model.append("\t\t{")
 82                                                 .append("key:")
 83                                                 .append(JSONUtilities.quote(ro3
 84                                                         .getRightID()))
 85                                                 .append(",title:")
 86                                                 .append(JSONUtilities
 87                                                         .quote(RightName))
 88                                                 .append(",url:")
 89                                                 .append(JSONUtilities
 90                                                         .quote(url))
 91                                                 .append("},\n");
 92                                     }
 93                                 }
 94                                 model.deleteCharAt(model.length() - 2).append(
 95                                         "\t\t]");
 96                             }
 97                             model.append("},\n");
 98                         }
 99                     }
100                     model.deleteCharAt(model.length() - 2).append("\t]");
101                 }
102                 model.append("},\n");
103             }
104
105             model.deleteCharAt(model.length() - 2).append(‘]‘);
106         }
107
108         return model;
109     }
110 }