dtree的使用 前后台实例

前台：

<%@ page language="java"  import="java.util.*"  contentType="text/html; charset=UTF-8"  pageEncoding="UTF-8"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

	
		
			
		
	
			
			
			
			
			
			
			
			
			
			
			
			
			
			
			 
			
			
			
	

  

   

  

  
  
  

	  

		

			
			

				
			    
		    
		 
	   
   

	    

	    

	    	
	    	
		     

		      
 
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后台：

@Controller
@RequestMapping(value = "/drupType")
public class DrupTypeController {
	/*private static Logger logger = LoggerFactory.getLogger(DrupTypeController.class);*/
	
	private IDrugTypeService drugTypeService;
	@Resource(name = "drugTypeService")
	public void setDrugTypeService(IDrugTypeService drugTypeService) {
		this.drugTypeService = drugTypeService;
	}
	/**
	 * 初始化配置文件
	 */
	PropertiesLoader pro=new PropertiesLoader("key.properties");

	/**
	 * 跳转ztree树管理页面
	 * @param 
	 * @return
	 * 
	 */
	@RequestMapping(value="/findDrugTypeJsp")
	public String findMaterialNextJsp(HttpServletRequest request){
		return "groupMat/drugTypeDef";
	}
	/**
	 * 获取ztree数据
	 * @param 
	 * @return
	 */
	@RequestMapping(value="/getDrugType")
	public String getDrugType(HttpServletRequest request , HttpServletResponse response){
		Map map = new HashMap();
//		String pid = request.getParameter("pid");
//		map.put("parentCode", pid);
		List treeList = drugTypeService.findDrugTypeList(map);
		 request.setAttribute("treeList", treeList);
		 return "groupMat/drugTypeDef";
		//利用Json插件将Array转换成Json格式
		/*try {
			response.getWriter().print(JSONArray.fromObject(drugTypeList).toString());
		} catch (IOException e) {
			e.printStackTrace();
		}*/
	}
	/*public Date greatDate(){//日期格式化方法
		SimpleDateFormat sDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Date date = new Date();
		String stringDate = sDateFormat.format(date);
		try {
			date = sDateFormat.parse(stringDate);
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return date;
	}*/
	/**
	 * 修改TypeCode后两位方法
	 * @param 
	 * @return
	 */
	public String updateTypeCode (DrugType drugType){
		String code = drugType.getTypeCode();
		String firstCode = code.substring(0,code.length()-2);
		String lastCode=code.substring(code.length()-2,code.length());
		Integer TypeCode=new Integer(lastCode);
		Integer newCode =  TypeCode+1;
		String newLastCode = String.format("%02d",newCode);
		String newTypeCode = firstCode+newLastCode;
		return newTypeCode;
	}
	
	/**
	 * 添加ztree数据
	 * @param 
	 * @return
	 */
	@SuppressWarnings("unused")
	@RequestMapping(value="/addDrugType")
	public String addDrugType(DrugType drugType,HttpServletRequest request , HttpServletResponse response){
		/*String pid = request.getParameter("pid");
		String name = request.getParameter("name");
		String drugTypeUrl = request.getParameter("drugTypeUrl");*/
		Map map = new HashMap();
		map.put("parentCode", drugType.getParentCode());
		Date date = new Date();
		List treeList = drugTypeService.findDrugTypeList(map);
		if(treeList==null||treeList.isEmpty() ){
			drugType.setTypeCode(drugType.getParentCode()+"01");
			drugType.setDrugTypeUrl(drugType.getDrugTypeUrl()+">"+drugType.getTypeName());
			drugType.setCreateDate(date);
		}else{//如果不为空则说明有子节点，取出排序后的最后一个子节点在他的code上加1就是新加节点的code值
			DrugType loasDrugType = (DrugType) treeList.get(treeList.size()-1);
			String newTypeCode = updateTypeCode(loasDrugType);
			/*String code = drugType.getTypeCode();
			String firstCode = code.substring(0,code.length()-2);
			String lastCode=code.substring(code.length()-2,code.length());
			Integer TypeCode=new Integer(lastCode);
			Integer newCode =  TypeCode+1;
			String newLastCode = String.format("%02d",newCode);
			String newTypeCode = firstCode+newLastCode;*/
			drugType.setTypeCode(newTypeCode);
			drugType.setDrugTypeUrl(drugType.getDrugTypeUrl()+">"+drugType.getTypeName());
			drugType.setCreateDate(date);
		}
		drugTypeService.saveDrugType(drugType);
		
		 request.setAttribute("treeList", treeList);
		 return "redirect:/drupType/getDrugType";
	}
	/**
	 * 修改ztree数据
	 * @param 
	 * @return
	 */
	@SuppressWarnings("unused")
	@RequestMapping(value="/updateDrugType")
	public String updateDrugType(DrugType drugType,HttpServletRequest request , HttpServletResponse response){
//		String pid = request.getParameter("pid");
//		String name = request.getParameter("name");
//		String drugTypeUrl = request.getParameter("drugTypeUrl");
		Map map = new HashMap();
		map.put("typeCode", drugType.getParentCode());
		Date date = new Date();
		List treeList =  drugTypeService.findDrugTypeList(map);
		if(treeList!=null && !treeList.isEmpty() ){
			DrugType newDrugType =(DrugType) treeList.get(0);
			
			newDrugType.setTypeCode(drugType.getParentCode());
			newDrugType.setTypeName(drugType.getTypeName());
			
			String url = drugType.getDrugTypeUrl();
			int lastIndexOf = url.lastIndexOf(">");
			if(lastIndexOf==-1){
				newDrugType.setDrugTypeUrl(drugType.getTypeName());
			}else{
				String firstUrl = url.substring(0, lastIndexOf);
				String lastUrl = url.substring(lastIndexOf, url.length());
				lastUrl = drugType.getTypeName();
				String drugTypeUrl = firstUrl+">"+lastUrl;
				newDrugType.setDrugTypeUrl(drugTypeUrl);
			}
			newDrugType.setCreateDate(date);
			drugTypeService.update(newDrugType);
		}
		 treeList =  drugTypeService.findDrugTypeList(map);
		 request.setAttribute("treeList", treeList);
		 return "redirect:/drupType/getDrugType";
	}
}

dtree 文件：

/*--------------------------------------------------|


| dTree 2.05 | www.destroydrop.com/javascript/tree/ |


|---------------------------------------------------|


| Copyright (c) 2002-2003 Geir Landr?              |


|                                                   |


| This script can be used freely as long as all     |


| copyright messages are intact.                    |


|                                                   |


| Updated: 17.04.2003                               |


|--------------------------------------------------*/


// Node object

function Node(id, pid, name, url, title, target, icon, iconOpen, open) {

this.id = id;

this.pid = pid;

this.name = name;

this.url = url;

this.title = title;

this.target = target;

this.icon = icon;

this.iconOpen = iconOpen;

this._io = open || false;

this._is = false;

this._ls = false;

this._hc = false;

this._ai = 0;

this._p;

};


// Tree object

function dTree(objName) {

this.config = {

target : null,

folderLinks : true,

useSelection : true,

useCookies : true,

useLines : true,

useIcons : true,

useStatusText : false,

closeSameLevel : false,

inOrder : false

}

this.icon = {

root : '/fftg/images/dtree/base.gif',

folder : '/fftg/images/dtree/folder.gif',

folderOpen : '/fftg/images/dtree/folderopen.gif',

node : '/fftg/images/dtree/page.gif',

empty : '/fftg/images/dtree/empty.gif',

line : '/fftg/images/dtree/line.gif',

join : '/fftg/images/dtree/join.gif',

joinBottom : '/fftg/images/dtree/joinbottom.gif',

plus : '/fftg/images/dtree/plus.gif',

plusBottom : '/fftg/images/dtree/plusbottom.gif',

minus : '/fftg/images/dtree/minus.gif',

minusBottom : '/fftg/images/dtree/minusbottom.gif',

nlPlus : '/fftg/images/dtree/nolines_plus.gif',

nlMinus : '/fftg/images/dtree/nolines_minus.gif'

};

this.obj = objName;

this.aNodes = [];

this.aIndent = [];

this.root = new Node(-1);

this.selectedNode = null;

this.selectedFound = false;

this.completed = false;

};

// Adds a new node to the node array

dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) {

this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open);

};

// Open/close all nodes

dTree.prototype.openAll = function() {

this.oAll(true);

};

dTree.prototype.closeAll = function() {

this.oAll(false);

};

// Outputs the tree to the page

dTree.prototype.toString = function() {

var str = '

\n';

if (document.getElementById) {

if (this.config.useCookies) this.selectedNode = this.getSelected();

str += this.addNode(this.root);

} else str += 'Browser not supported.';

str += '

';

if (!this.selectedFound) this.selectedNode = null;

this.completed = true;

return str;

};


// Creates the tree structure

dTree.prototype.addNode = function(pNode) {

var str = '';

var n=0;

if (this.config.inOrder) n = pNode._ai;

for (n; n
if (this.aNodes[n].pid == pNode.id) {

var cn = this.aNodes[n];

cn._p = pNode;

cn._ai = n;

this.setCS(cn);

if (!cn.target && this.config.target) cn.target = this.config.target;

if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);

if (!this.config.folderLinks && cn._hc) cn.url = null;

if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {

cn._is = true;

this.selectedNode = n;

this.selectedFound = true;

}

str += this.node(cn, n);

if (cn._ls) break;

}

}

return str;

};

// Creates the node icon, url and text

dTree.prototype.node = function(node, nodeId) {

var str = '

' + this.indent(node, nodeId);

if (this.config.useIcons) {

if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);

if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;

if (this.root.id == node.pid) {

node.icon = this.icon.root;

node.iconOpen = this.icon.root;

}
//if(node.pid!=-1){
str += '';
//}
str += '';

}
if (node.url) {

str += '
if (node.title) str += ' title="' + node.title + '"';

if (node.target) str += ' target="' + node.target + '"';

if (this.config.useStatusText) str += ' οnmοuseοver="window.status=\'' + node.name + '\';return true;" οnmοuseοut="window.status=\'\';return true;" ';

if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))

str += ' οnclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';

str += '>';

}

else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)

str += '';

str += node.name;

if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '';

str += '

';

if (node._hc) {

str += '

';

str += this.addNode(node);
str += '

';

}

this.aIndent.pop();

return str;

};

// Adds the empty and line icons

dTree.prototype.indent = function(node, nodeId) {

var str = '';

if (this.root.id != node.pid) {

for (var n=0; n
str += '';

(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);

if (node._hc) {

str += '';

} else str += '';

}

return str;

};


// Checks if a node has any children and if it is the last sibling

dTree.prototype.setCS = function(node) {

var lastId;

for (var n=0; n
if (this.aNodes[n].pid == node.id) node._hc = true;

if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;

}

if (lastId==node.id) node._ls = true;

};

// Returns the selected node

dTree.prototype.getSelected = function() {

var sn = this.getCookie('cs' + this.obj);

return (sn) ? sn : null;

};
// Highlights the selected node

dTree.prototype.s = function(id) {

if (!this.config.useSelection) return;

var cn = this.aNodes[id];

if (cn._hc && !this.config.folderLinks) return;

if (this.selectedNode != id) {

if (this.selectedNode || this.selectedNode==0) {

eOld = document.getElementById("s" + this.obj + this.selectedNode);

eOld.className = "node";

}

eNew = document.getElementById("s" + this.obj + id);

eNew.className = "nodeSel";

this.selectedNode = id;

if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);

}

};


// Toggle Open or close

dTree.prototype.o = function(id) {

var cn = this.aNodes[id];

this.nodeStatus(!cn._io, id, cn._ls);

cn._io = !cn._io;

if (this.config.closeSameLevel) this.closeLevel(cn);

if (this.config.useCookies) this.updateCookie();

};

// Open or close all nodes

dTree.prototype.oAll = function(status) {

for (var n=0; n
if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {

this.nodeStatus(status, n, this.aNodes[n]._ls)

this.aNodes[n]._io = status;

}

}

if (this.config.useCookies) this.updateCookie();

};

// Opens the tree to a specific node

dTree.prototype.openTo = function(nId, bSelect, bFirst) {

if (!bFirst) {

for (var n=0; n
if (this.aNodes[n].id == nId) {

nId=n;

break;

}

}

}

var cn=this.aNodes[nId];

if (cn.pid==this.root.id || !cn._p) return;

cn._io = true;

cn._is = bSelect;

if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);

if (this.completed && bSelect) this.s(cn._ai);

else if (bSelect) this._sn=cn._ai;

this.openTo(cn._p._ai, false, true);

};

// Closes all nodes on the same level as certain node

dTree.prototype.closeLevel = function(node) {

for (var n=0; n
if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {

this.nodeStatus(false, n, this.aNodes[n]._ls);

this.aNodes[n]._io = false;

this.closeAllChildren(this.aNodes[n]);

}

}

}

// Closes all children of a node

dTree.prototype.closeAllChildren = function(node) {

for (var n=0; n
if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {

if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);

this.aNodes[n]._io = false;

this.closeAllChildren(this.aNodes[n]);

}

}

}


// Change the status of a node(open or closed)

dTree.prototype.nodeStatus = function(status, id, bottom) {

eDiv = document.getElementById('d' + this.obj + id);

eJoin = document.getElementById('j' + this.obj + id);

if (this.config.useIcons) {

eIcon = document.getElementById('i' + this.obj + id);

eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;

}

eJoin.src = (this.config.useLines)?

((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):

((status)?this.icon.nlMinus:this.icon.nlPlus);

eDiv.style.display = (status) ? 'block': 'none';

};

// [Cookie] Clears a cookie

dTree.prototype.clearCookie = function() {

var now = new Date();

var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);

this.setCookie('co'+this.obj, 'cookieValue', yesterday);

this.setCookie('cs'+this.obj, 'cookieValue', yesterday);

};


// [Cookie] Sets value in a cookie

dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {

document.cookie =

escape(cookieName) + '=' + escape(cookieValue)

+ (expires ? '; expires=' + expires.toGMTString() : '')

+ (path ? '; path=' + path : '')

+ (domain ? '; domain=' + domain : '')

+ (secure ? '; secure' : '');

};


// [Cookie] Gets a value from a cookie

dTree.prototype.getCookie = function(cookieName) {

var cookieValue = '';

var posName = document.cookie.indexOf(escape(cookieName) + '=');

if (posName != -1) {

var posValue = posName + (escape(cookieName) + '=').length;

var endPos = document.cookie.indexOf(';', posValue);

if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));

else cookieValue = unescape(document.cookie.substring(posValue));

}

return (cookieValue);

};

// [Cookie] Returns ids of open nodes as a string

dTree.prototype.updateCookie = function() {

var str = '';

for (var n=0; n
if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {

if (str) str += '.';

str += this.aNodes[n].id;

}

}

this.setCookie('co' + this.obj, str);

};

// [Cookie] Checks if a node id is in a cookie

dTree.prototype.isOpen = function(id) {

var aOpen = this.getCookie('co' + this.obj).split('.');

for (var n=0; n
if (aOpen[n] == id) return true;

return false;

};

// If Push and pop is not implemented by the browser

if (!Array.prototype.push) {

Array.prototype.push = function array_push() {

for(var i=0;i
this[this.length]=arguments[i];

return this.length;

}

};

if (!Array.prototype.pop) {

Array.prototype.pop = function array_pop() {

lastElement = this[this.length-1];

this.length = Math.max(this.length-1,0);

return lastElement;

}

};