USE [KimiExtjs]
GO
/****** 对象: Table [dbo].[Trees] 脚本日期: 04/08/2010 22:12:25 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[Trees](
[Tid] [varchar](40) COLLATE Chinese_PRC_CI_AS NOT NULL,---节点ID 主键 Guid
[ParentId] [varchar](40) COLLATE Chinese_PRC_CI_AS NULL,---父亲节点ID 0表示为根目录
[ContentText] [varchar](800) COLLATE Chinese_PRC_CI_AS NULL,---节点现实内容
[StrHref] [varchar](800) COLLATE Chinese_PRC_CI_AS NULL,---节点链接地址
[hrefTarget] [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,---Target
CONSTRAINT [PK_Trees] PRIMARY KEY CLUSTERED
(
[Tid] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Main.aspx.cs" Inherits="Com.KimiYang.Web.Main" %>

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KimiYang

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Ext.onReady(function(){
Ext.BLANK_IMAGE_URL="Extjs3.2.0/resources/images/default/s.gif";
var Tree = Ext.tree;
var tree = new Tree.TreePanel({
el:'west_content',//渲染到
useArrows:true,
autoHeight:true,
split:true,
lines:true,
autoScroll:true,
animate:true,
enableDD:true,
border:false,
containerScroll: true,
loader: new Tree.TreeLoader({
dataUrl:'ServletHandlers/GetTrees.ashx'
})
});
var root = new Tree.AsyncTreeNode({
text: 'KimiYang',
draggable:true,
id:'0'
});
tree.setRootNode(root);
tree.render();
root.expand();
var viewport = new Ext.Viewport({
layout:'border',
items:[{
region:'west',
id:'west',
title:'菜单导航',
split:true,
width: 200,
minSize: 200,
maxSize: 400,
collapsible: true,
margins:'60 0 2 2',
cmargins:'60 5 2 2',
layout:'fit',
layoutConfig:{ activeontop:true},
defaults: { bodyStyle: 'margin:0;padding:0;'},
items:
new Ext.TabPanel({
border:false,
activeTab:0,
tabPosition:'bottom',
items:[{
contentEl:'west_content',
title:'系统管理',
autoScroll:true,
bodyStyle:'padding:5px;'
},
{
title:'网上办公',
autoScroll:true,
bodyStyle:'padding:5px;'
}]
})
},{
region:'center',
el:'center',
deferredRender:false,
margins:'60 0 2 0',
html:'',
autoScroll:true
},
{
region:'south',
margins:'0 0 0 2',
border:false,
html:''
}
]
});
setTimeout(function(){
Ext.get('loading').remove();
Ext.get('loading-mask').fadeOut({remove:true});
}, 250)
});

using System;
using System.Collections;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;
namespace Com.KimiYang.Web.ServletHandlers
{
///

/// $codebehindclassname$ 的摘要说明
///

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class GetTrees : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
string strSql = "select Tid,ParentId,ContentText,StrHref,hrefTarget from Trees";
dbOperator db = new dbOperator();
DataTable dt = db.Execute(strSql);
string strResult = "[";
if (dt.Rows.Count > 0)
{
DataRow[] dr = dt.Select("ParentId='0'");
strResult = DtTreeToJson(dt, strResult, dr);
}
strResult += "]";
context.Response.ContentType = "text/plain";
context.Response.Write(strResult.ToString());
context.Response.End();
}
private static string DtTreeToJson(DataTable dt, string strResult, DataRow[] dr)
{
if (dr.Length > 0)
{
for (int i = 0; i < dr.Length; i++)
{
strResult += "{";
strResult += "text:'" + dr[i]["ContentText"] + "',";
strResult += "id:'" + dr[i]["Tid"] + "',";
DataRow[] drChild = dt.Select("ParentId='" + dr[i]["Tid"] + "'");
if (drChild.Length > 0)
{
strResult += "leaf:false,";
strResult += "children:[";
strResult = DtTreeToJson(dt, strResult, drChild);
strResult += "]";
}
else
{
strResult += "href:'" + dr[i]["StrHref"] + "',";
strResult += "hrefTarget:'" + dr[i]["hrefTarget"] + "',";
strResult += "leaf:true";
}
strResult += "}";
if (i != dr.Length - 1)
strResult += ",";
}
}
return strResult;
}
public bool IsReusable
{
get
{
return false;
}
}
}
}