var setting = {
		            view: {
		              
		                selectedMulti: false
		            },
		            check: {
		                enable: true
//初始化树
function treeInt(){
	$(‘#treeDemo‘).empty();
	$.ajax({
		type:"get",
//		url:"/styles/js/mock_data/inspect/task_tree.json",
		url:"/api/inspect/getTaskTree",
		dataType:‘json‘,
		async:true,
		success:function(response){
			
			if(response.code==200){
				
				var data = response.data;
			    
			    
			    function tree(m){
			    	var nodes = [];
			    	if(m.length !== 0){
			    		
			    		$.each(data, function(i,v) {
			    			var obj = {};
			    			obj.name = v.displayName;
			    			obj.t = v.fullName;
			    			obj.open = true;
//			    			obj.icon = "../../../css/zTreeStyle/img/diy/treeIcon.png";
			    			if(v.subNodes !== null){
			    				obj.children = [];
			    				$.each(v.subNodes, function(a,b) {
			    					var objOne = {};
		    						
			    					objOne.name = b.displayName;
			    					objOne.t = b.fullName;
			    					objOne.open = true;
//			    					objOne.icon = "../../../css/zTreeStyle/img/diy/treeIcon.png";
			    					
			    				
			    					if(b.subNodes !== null){
			    						objOne.children = [];
			    						$.each(b.subNodes, function(z,l) {
					    					var objTwo = {};
					    					objTwo.name = l.displayName;
					    					objTwo.t = l.fullName;                    //在这里构造数据时,加个  下面设置t字段 displayName它是显示用的,fullName它是传给后端的
					    					objOne.children.push(objTwo);
					    				});
			    					}
			    					obj.children.push(objOne);
			    				});
			    				nodes.push(obj);
			    			} else {
			    				obj.isParent = true;
			    				nodes.push(obj);
			    			}
			    		});
			    		
			    		return nodes;
			    	}
			    }
			    
//				console.log(tree(data));
			      var setting = {
		            view: {
		              
		                selectedMulti: false
		            },
		            check: {
		                enable: true
		                ,chkStyle: ‘checkbox‘
		                ,radioType: "level"
		            },
		            data: {
			               key: {
								title: "t"             //在这里设置关键的t字段
							}
		            }
//		            data: {
//		                simpleData: {
//		                    enable: true
//		                }
//		            },
//		            edit: {
//		                enable: true
//		            }
		        };
					
			function setCheck() {
				setting.check.chkStyle = $("#r1").attr("checked")? "checkbox":"checkbox";
			                setting.check.enable = (!$("#disablechk").attr("checked"));
				$.fn.zTree.init($("#treeDemo"), setting, tree(data));
			}
		    $(document).ready(function(){
		        $.fn.zTree.init($("#treeDemo"), setting, tree(data));
				setCheck();			
			
		    });
   	
				    
				
			}
		}
	});
}
取的时候 var checkedList = $(‘#treeDemo>li>ul>li>ul>li>span[class~="checkbox_true_full"]‘);
$(checkedList[i]).next()[0].title
$(‘.strCount‘).fadeIn(42).html(‘您最多能输入64字符,现已超出‘+beyond+‘字符‘).fadeOut(2000)
zTree 显示为‘aa’,当选择aa时,传的参数为‘22’
原文:http://www.cnblogs.com/zjpzjp/p/7295500.html