摘要：節(jié)點展開，圖標全部改為小三角默認展開資源樹數(shù)據(jù)集數(shù)據(jù)集根節(jié)點配置根節(jié)點默認展開資源文件目錄根節(jié)點名稱訪問代理類型異步監(jiān)聽器父節(jié)點清空參數(shù)點擊的時候根據(jù)路徑查找參數(shù)默認展開第一個節(jié)點

var treePanel = {
                  id: "treeUrl",
                  xtype: "treepanel",
                  useArrows: true,                // 節(jié)點展開+，-圖標全部改為小三角
                  expanded: true,                 // 默認展開
                  region: "west",
                  width: "40%",
                  border: false,
                  bodyBorder: false,
                  autoScroll: true,
                  /** 資源樹（數(shù)據(jù)集） */
                  store: {
                          storeId: "Resources",       // 數(shù)據(jù)集ID
                          root: {                     // 根節(jié)點配置
                                  id: "1",                // 根節(jié)點ID
                                  expanded: true,         // 默認展開
                                  text: "資源文件目錄"      // 根節(jié)點名稱
                                },
                                proxy: {                    // 訪問代理
                                         type: "ajax",           // 類型異步
                                         api: {
                                                read: "catalog/tree?type=fpd"
                                              }
                                       }
                                },
                                /** 監(jiān)聽器 */
                                listeners: {
                                    render: function () {
                                            if (JSON.stringify(movementChild.select) != "{}") {
                                                var _url = movementChild.select.localUrl.split("/");
                                                var childUrl = _url.pop()
                                                // 父節(jié)點id
                                                var parentUrl = _url.join("/")
                                                this.expandPath(parentUrl, "id");
                                                var myThis = this;
                                                var num = 0;
                                                var time = setInterval(function () {
                                                    num++;
                                                    if (myThis.getSelectionModel().select(myThis.getStore().getNodeById(childUrl)) != undefined || num > 5) {
                                                        clearInterval(time)
                                                    } else {
                                                        myThis.getSelectionModel().select(myThis.getStore().getNodeById(childUrl))

                                                    }
                                                }, 100)
                                                me.treeAjax(movementChild,movementChild.select,"render")
                                            }
                                        },
                                        itemclick: function (_this, _record) {
                                            // 清空參數(shù)
                                            if (_record.data.leaf) {
                                                movementChild.select["localUrl"] = Ext.getCmp("leftresource").getController().getIdPath(_record);
                                                movementChild.select["serverPath"] = _record.data.node.path;
                                                movementChild.select["text"] = _record.data.text;
                                                //點擊的時候根據(jù)路徑查找參數(shù)
                                                me.treeAjax(movementChild,_record,"click")
                                            }
                                        },
                                   
                                        }
                                    },
                                },

 this.getRootNode().firstChild.expand()