连接数据库的ASP树图生成程序（源码）_自动测试脚本语言

连接数据库的ASP树图生成程序（源码）

发表于：2007-06-30来源：作者：点击数：标签：

%@#＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ @#＊＊＊＊＊＊＊连接数据库的树图生成程序＊＊＊＊＊＊＊＊ @#＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ @#假设你已建立了 SQL Server数据库UnitTree，并在该库中建

<%@#＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
@#＊＊＊＊＊＊＊连接数据库的树图生成程序＊＊＊＊＊＊＊＊
@#＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊
@#假设你已建立了SQLServer数据库UnitTree，并在该库中建立了表：
@#Units(ID 单位序号整数唯一,Name 单位名称字符串,UpID 上级单位序号整数)
@#注：UpID=0表示该单位是根结点单位；
@#输入一些数据如：（1，AA，0）（2，AABB，1）（3，AACC，1）（4，AABB11，2）
@#以便进行下面的程序测试。
%>
<% @#建立数据库连接
set conn=server.createobject("adodb.connection")
conn.open "provider=sqloledb;data source=YourSrcName;user id=sa;password=;database=UnitTree"
%>
<%@#子过程：生成树图子结点数据
Sub TreeNode(Code)
SQLUnit="select ID,Name"&_
" from Units"&_
" where UpID="&Code&""&_
" order by ID"
set rsUnit=conn.Execute(SQLUnit)
Do while not rsUnit.Eof
Response.Write("Node"&rsUnit("ID")&"=appendChild("&"Node"&Code&",folderNode(@#"&rsUnit("Name")&"@#,@#"&rsUnit("ID")&"@#,0))"&chr(10))
call TreeNode(rsUnit("ID"))
rsUnit.movenext
Loop

End Sub
%>
<HTML>
<HEAD>
<title>演习分析</title>
<Script LANGUAGE="JavaScript">
/****************************** 生成树图数据 *********************************/
function generateTree()
{
//生成树图数据
//-----VBScript-----
<%
@#@#显示单位
SQLUnit0="select ID,Name"&_
" from Units"&_
" where UpID=0"&_
" order by ID"
set rsUnit0=conn.Execute(SQLUnit0)
//根结点foldersTree
Response.Write("foldersTree=folderNode(@#"&rsUnit0("Name")&"@#,@#"&rsUnit0("ID")&"@#,1)"&chr(10))
Response.Write("Node"&rsUnit0("ID")&"=foldersTree"&chr(10))
call TreeNode(rsUnit0("ID")) //子结点数据

%>
}
/**************************** 生成树图数结束 *******************************/
</Script>

<Script LANGUAGE="JavaScript">
/************************ 相关函数 *********************************/
// 生成一个节点
function folderNode(name,value,flagOpen)
{
var arrayAux

arrayAux = new Array
arrayAux[0] = flagOpen //结点关闭0或打开1
arrayAux[1] = value //
arrayAux[2] = name //名称

return arrayAux
}

//在arrayAux[3]..[n]中添加其孩子
function appendChild(parent, child)
{
parent[parent.length] = child
return child
}

//画结点
//参数 foldersNode:结点
// doc :document对象
// level :结点的层次
// lastNode :是否最末尾的结点
// leftSide :图片
function redrawNode(foldersNode, doc, level, lastNode, leftSide)
{
FileName="Content.asp" //设置超链接文件，可根据你的情况改写……………

var j=0
var i=0

doc.write("<table border=0 cellspacing=0 cellpadding=0>")
doc.write("<tr><td valign = middle nowrap>")

doc.write(leftSide)
/******分层+/-号**************************************/

if (level>0)//不是根节点
{
if (lastNode) //最后的节点
{
if (foldersNode.length > 3)//有孩子
{
if (foldersNode[0])//且打开
{
doc.write("<A href=@#javascript:top.openBranch(\"" + foldersNode[2] + "\")@#>")
doc.write("<img border=0 src=../../Images/lastnode-.gif width=16 height=22></a>")
}
else
{ //但关闭
doc.write("<A href=@#javascript:top.openBranch(\"" + foldersNode[2] + "\")@#>")
doc.write("<img border=0 src=../../Images/lastnode+.gif width=16 height=22></a>")
}
}
else //没孩子
doc.write("<img src=@#../../Images/lastnode.gif@# width=16 height=22>")

leftSide = leftSide + "<img src=@#../../Images/blank.gif@# width=16 height=22>"

}
else //非最后节点
{
if (foldersNode.length > 3)//有孩子
{
if (foldersNode[0])//且打开
{
doc.write("<A href=@#javascript:top.openBranch(\"" + foldersNode[2] + "\")@#>")
doc.write("<img border=0 src=../../Images/Node-.gif width=16 height=22></a>")
}
else
{ //但关闭
doc.write("<A href=@#javascript:top.openBranch(\"" + foldersNode[2] + "\")@#>")
doc.write("<img border=0 src=../../Images/Node+.gif width=16 height=22></a>")
}
}
else //没孩子
doc.write("<img src=@#../../Images/node.gif@# width=16 height=22>")

leftSide = leftSide + "<img src=@#../../Images/vertline.gif@# width=16 height=22>"
}

/******手形图标与超链接**********/
doc.write("<a href=@#"+FileName+"?ID="+foldersNode[1]+"&Name="+foldersNode[2]+"@# target=folderFrame><img src=../../Images/closedfolder.gif width=24 height=22 border=noborder></a>")
/********名称与超链接********/
doc.write("<td valign=middle align=left nowrap>")
doc.write("<a href=@#"+FileName+"?ID="+foldersNode[1]+"&Name="+foldersNode[2]+"@# target=folderFrame><font size=2 face=@#宋体@#>"+foldersNode[2]+"</font></a>")
//以上超链接提供了ID,Name的QueryString值……………………………………
}
else//根节点
{
/******手形图标与超链接**********/
doc.write("<a href=@#"+FileName+"?ID="+foldersNode[1]+"&Name="+foldersNode[2]+"@# target=folderFrame><img src=../../Images/closedfolder.gif width=24 height=22 border=noborder></a>")
/********名称与超链接********/
doc.write("<td valign=middle align=left nowrap>")
doc.write("<a href=@#"+FileName+"?ID="+foldersNode[1]+"&Name="+foldersNode[2]+"@# target=folderFrame><font size=2 face=@#宋体@#>"+foldersNode[2]+"</font></a>")
}

doc.write("</table>")
///////////////////////////////////////////////////////
if (foldersNode.length > 3 && foldersNode[0]) //有孩子且打开则递归显示节点
{
level=level+1
for (i=3; i<foldersNode.length;i++)
if (i==foldersNode.length-1)
redrawNode(foldersNode[i], doc, level, 1, leftSide)
else
redrawNode(foldersNode[i], doc, level, 0, leftSide)
}
}

//当用户点击分层的+/-号时响应，被openBranch调用
function clickOnFolderRec(foldersNode, folderName)
{
var i=0

if (foldersNode[2] == folderName)
{
if (foldersNode[0])//若为打开状态时，则将其关闭
foldersNode[0] = 0
else
foldersNode[0] = 1
}
else
{
for (i=3; i< foldersNode.length; i++)
clickOnFolderRec(foldersNode[i], folderName)
}
}

//打开或关闭结点（当用户点击分层的+/-号时响应）
function openBranch(branchName)
{

clickOnFolderRec(foldersTree, branchName)
timeOutId = setTimeout("redrawTree()",100)
}

//显示树图
function redrawTree()
{
var doc = top.treeFrame.window.document
//记录当前滚动条位置
posX = doc.body.scrollLeft
posY = doc.body.scrollTop

doc.open()
doc.write("<body link=@##0000ff@# vlink=@##0000ff@# alink=@###ff0000@# bgcolor=@#white@#>")
redrawNode(foldersTree, doc, 0, 1, "")
doc.close()

doc.body.scrollLeft = posX
doc.body.scrollTop = posY
}

//网页载入时响应的函数
function initializeTree()
{
generateTree()
redrawTree()
}
/*********************** 相关函数 END *************************/
</Script>
</HEAD>

<FRAMESET cols="220,*" onLoad="initializeTree()" framespacing="1">
<FRAME src="Pleft.htm" name="treeFrame" target="_self" scrolling="auto">
<FRAME SRC="PRight.htm" name="folderFrame" scrolling="auto">
</FRAMESET>

</HTML>
<%
@#以上程序在WIN2000Server+IIS5.0+SQLServer2000下测试通过。
@#=========================================================
@#======= 作者：夏春涛 E-Mail：Bluesky_521@yeah.net ======
@#=========================================================
%>

原文转自：http://www.ltesting.net

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