1、出现的问题 ： 模糊搜索不同的关键字时选中的节点不在一个数组内，无法得到一个选中集合
2、解决方法：通过遍历当前树的选中结点和未选中结点来拼接
整体代码如下

        // ztree配置
    var setting = {
            view: {
                showIcon: false,
                dblClickExpand: false
            },
            check: {
                enable: true,
                chkboxType : {"Y": "", "N": ""}    //  父子节点无关联
                },
            data: {
                simpleData: {
                    enable: true,
                    idkey:"id",    //修改ztree对节点id的命名
                    pIdKey:"parentId"    //修改ztree对父节点id的命名
                },
                key: {name:"namePatents"}
            },
            callback: {
                onClick: onNodeClick,
                onCheck: zTreeOnCheck
            }
        };
        //  ztree渲染 
         $.fn.zTree.init($("#ztreeBox"), setting, zNodes);
          fuzzySearch('ztreeBox', '#searchText', true, false);
              initJqZtree()
        // 单击节点展开节点
        function onNodeClick(e, treeId, treeNode) {
            var zTree = $.fn.zTree.getZTreeObj("ztreeBox");
            zTree.expandNode(treeNode);
            var that = e.target;
            var postData;
            var name = unWrapHighlight(treeNode.name);
        };
          // 单击选中节点
            var checkedNameString="";
        var schoolCheckedNameStr="";
        var provinceCheckedNameStr="";
        var isSchool;
        // 节点名称集合
        var user = "";
        // 节点id集合
        var id = "";
        function zTreeOnCheck(e, treeId, treeNode) {
                var treeObj = $.fn.zTree.getZTreeObj("ztreeBox");
                // 获取所有节点
                var nodes = treeObj.getNodes();
                // 获取选中节点
                var sNodes = treeObj.getCheckedNodes(true);
            // 获取未选中节点
                var nodesFalse = treeObj.getCheckedNodes(false);
                // 获取所选节点的全部name
                for(var i=0; i <sNodes.length;i++) {
                    if (sNodes[i].name != null && sNodes[i].name != "无") {
                        saveData(sNodes[i].name, sNodes[i].id);
                      }
                      isSchool = sNodes[i].level == 0 ? 0 : 1
                  }
                 for (var i = 0; i < nodesFalse.length; i++) {
                if (id.split(",").indexOf(nodesFalse[i].id) != 0) {
                    var start = id.indexOf("," + nodesFalse[i].id);
                    if (start != -1) {
                        id = id.replace("," + nodesFalse[i].id, "");
                        user = user.replace("," + nodesFalse[i].name, "");
                    }
                } else {
                    var start = id.indexOf(nodesFalse[i].id);
                    var ids = id.split(",");
                    if (ids.length != 1 && start != -1) {
                        id = id.replace(nodesFalse[i].id + ",", "");
                        user = user.replace(nodesFalse[i].name + ",", "");
                    } else if (ids.length == 1){
                        id = id.replace(nodesFalse[i].id, "");
                        user = user.replace(nodesFalse[i].name, "");
                    }
                }
            }
                  // 对后台要的参数进行父子级分类
                  if(isSchool == 0) {
                      provinceCheckedNameStr = user
                      schoolCheckedNameStr = "";
                  } else {
                      schoolCheckedNameStr = user
                      provinceCheckedNameStr = "";
                  }
                  // 获取所有子节点
                  var cNodes = [];
                  $.each(nodes, function(i, item){
                      if(item.children) {
                          $.each(item.children, function(i, items){
                              if(items) {
                                  cNodes.push(items);
                            }
                        });
                    }
                });
                // 判断一级二级不能同时选中
                if (sNodes.length > 0) {
                    var isParent = sNodes[0].level;
                    if(isParent == '1') {
                        for(var i=0;i < nodes.length;i++) {
                            treeObj.setChkDisabled(nodes[i], true);
                        }
                   } else {
                        for(var j=0;j < cNodes.length;j++) {
                            treeObj.setChkDisabled(cNodes[j], true);
                        }
                    }
                } else {
                    for(var i=0;i < nodes.length;i++) {
                        treeObj.setChkDisabled(nodes[i], false);
                    }
                    for(var j=0;j < cNodes.length;j++) {
                        treeObj.setChkDisabled(cNodes[j], false);
                    }
                }
        }
        // 保存选中的name值及id
        function saveData (name, treeid) {
            var ids = id.split(",");
            if (ids.indexOf(treeid) == -1) {
                if (user != "") {
                    id += "," + treeid;
                    user += "," + name;
                } else {
                    id = treeid;
                    user = name;
                }
            }
        }
        // 去掉高亮标签
        function unWrapHighlight(content) {
            if (!content) return content;
            return content.replace('<span style="color: red;">', '').replace('<\/span>', '');
        }
        // 修复ztree title
        function initJqZtree() {
            $(document).on('mouseenter', '.ztree li a', ztreeHover)
            function ztreeHover() {
                var titleStr = jQuery(this).attr('title')
                titleStr = titleStr.replace('<span style="color: red;">', '')
                titleStr = titleStr.replace('</span>', '')
                jQuery(this).attr('title', titleStr)
            }
        }