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ASP.NET對HTML頁面元素進行權限控制(三)

 更新時間：2013年12月13日 15:51:37   作者：  
界面每個元素的權限也是需要控制的。比如一個查詢用戶的界面里面有查詢用戶按鈕，添加用戶按鈕，刪除用戶按鈕，不同的角色我們得分配不同的權限
上一篇博客中有些沒有考慮到的東西這次更改一下代碼如下：

界面前臺：
復制代碼 代碼如下:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="AdmShowDIV.aspx.cs" Inherits="ExamSystemV3.Manager.RoleManager.AdmShowDIV" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="Author" content="kudychen@gmail.com" />
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
<title></title>
<script src="../../js/DIV/jquery.js" type="text/javascript"></script>
<script src="../../js/DIV/DIV.js" type="text/ecmascript"></script>
<link href="../../css/admin.global.css" rel="stylesheet" type="text/css" />
<link href="../../css/admin.content.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="../../../js/jquery.easyui.min.js"></script>
<script type="text/javascript" src="../../js/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="../../js/jquery.utils.js"></script>
<link href="../../jBox/Skins/Green/jbox.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="../../jBox/jquery.jBox-2.3.min.js"></script>
<script type="text/javascript" src="../../js/admin.js"></script>
<script type="text/javascript" src="../../js/SimpleTree.js"></script>


</head>
<body>
<form id="form1" runat="server">
<div class="container">
<div class="location">當前位置：界面元素管理 -> 查看界面元素</div>

<div class="blank10"></div>

<div class="search block">
<div class="h">
<span class="icon-sprite icon-magnifier"></span>
<h3>快速搜索</h3>
</div>
<div class="tl corner"></div><div class="tr corner"></div><div class="bl corner"></div><div class="br corner"></div>
<div class="cnt-wp">
<div class="cnt">
<div class="search-bar" id="SelectRole">
<label class="txt-green">請選擇界面：</label>
<asp:DropDownList ID="DdlWindowsName" runat="server" AutoPostBack="True" OnSelectedIndexChanged="DdlWindowsName_SelectedIndexChanged">
</asp:DropDownList>
<a class="btn-lit" href="#" onclick="WindowsInfo()"><span>掃描界面信息</span></a>
</div>

</div>
</div>
</div>
</div>

<div class="block">
<div class="h">
<span class="icon-sprite icon-list"></span>
<h3>界面詳情</h3>
</div>
<div class="tl corner"></div>
<div class="tr corner"></div>
<div class="bl corner"></div>
<div class="br corner"></div>
<div class="cnt-wp">
<div class="cnt">
<iframe id="frmWindows" runat="server" frameborder="0" marginheight="0" marginwidth="0" scrolling="auto" style=" display: inline; height: 400px;" width="75%" ></iframe>
<iframe id="frmUpdateDIV" runat="server" frameborder="0" marginheight="0" marginwidth="0" scrolling="auto" style="display: inline; height: 400px; width: 24%;"></iframe>
</div>

</div>
</div>

</form>
</body>
</html>

界面后臺：
復制代碼 代碼如下:

using BLL.Manager.RoleUserManagerBLL;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace ExamSystemV3.Manager.RoleManager
{
public partial class AdmShowDIV : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string strLike="";
if (!IsPostBack)
{
//綁定界面
DataBindWindows(strLike);
}


}
/// <summary>
/// 綁定所有界面
/// </summary>
/// <param name="strLike"></param>
public void DataBindWindows(string strLike)
{
DataTable dt = new DataTable();
AdmWindowsManager admWindowsManager = new AdmWindowsManager();
//查出所有的界面
dt = admWindowsManager.QueryWindowInfo(strLike);
//綁定界面信息
DdlWindowsName.DataSource = dt;
DdlWindowsName.DataValueField = "Id";
DdlWindowsName.DataTextField = "WindowsName";
DdlWindowsName.DataBind();

}

protected void DdlWindowsName_SelectedIndexChanged(object sender, EventArgs e)
{
DataTable dt = new DataTable();
string strLike = "";
AdmWindowsManager admWindowsManager = new AdmWindowsManager();
//查出界面的信息
dt = admWindowsManager.QueryWindowInfo(strLike);
string strWindowsId=DdlWindowsName.SelectedValue.ToString().Trim();
strLike = "Id='"+strWindowsId+"'";
DataRow[] rows =dt.Select (strLike);
//獲得路徑
string strURL = rows[0]["WindowsURL"].ToString ();
strURL = "../../" + strURL;
frmWindows.Attributes["src"]=strURL;
frmUpdateDIV.Attributes["src"] = "AdmUpdateDIV.aspx?WindowsID='" + strWindowsId + "'";
}
}
}

JS：
復制代碼 代碼如下:

var WindowsID;
function WindowsInfo() {
//獲取ifrm
var frmWindows = document.getElementById("frmWindows").contentWindow;
//獲取界面ID
WindowsID = document.getElementById("DdlWindowsName").value;

var rootboxs = frmWindows.document.getElementById("main");
var child = rootboxs.childNodes;
findchildbox(child);


};
//搜尋子節(jié)點
function findchildbox(parentNode) {

for (var i = 0; i < parentNode.length; i++) {

if (parentNode[i].nodeName == "BOX") {

var childboxId = parentNode[i].id;
var childboxTitle = encodeURI(parentNode[i].title);
var parentbox = findparentbox(parentNode[i].parentNode);
var parentboxId = parentbox.id;
if (window.XMLHttpRequest) {
//IE7 above,firefox,chrome^^
xmlhttp = new XMLHttpRequest();
//為了兼容部分Mozillar瀏覽器,當來自服務器響應開頭不是xml，導致的無法響應問題
if (xmlhttp.overrideMimeType) {
xmlhttp.overrideMimeType('text/xml');
}
}
else if (window.ActiveXObject) {
//IE5\IE6
xmlhttp = new activeXObject("Microsoft.XMLHTTP");
}
if (xmlhttp == null || xmlhttp == undefined) {
alert("con't create XMLHttpRequest Object");
}

////注冊回調函數(shù)
//xmlhttp.onreadystatechange = callback;
//發(fā)送信息

xmlhttp.open('GET', '../../Manager/RoleManager/AddBox.ashx?childboxId=' + childboxId + '&childboxTitle=' + childboxTitle + '&parentboxId=' + parentboxId+'&windowsId='+WindowsID, true);
xmlhttp.send(null);


//function callback() {
// //判斷交互是否完成,是否正確返回
// if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {

// }
//}

}

findchildbox(parentNode[i].childNodes)

}

}

//查詢父節(jié)點
function findparentbox(child) {

if (child.nodeName == "BOX") {
return child;
} else {
return findparentbox(child.parentNode)

}

}

一般處理程序：
復制代碼 代碼如下:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using BLL.Manager.RoleUserManagerBLL;
using System.Data;
using System.Text;
using Model;
using BLL;

namespace ExamSystemV3.Manager.RoleManager
{
/// <summary>
/// AddBox 的摘要說明
/// </summary>
public class AddBox : IHttpHandler
{

public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
System.Threading.Thread.Sleep(1000);
DIVEntity EDiv = new DIVEntity();
TR_WindowsDIVEntity EWindowsDiv = new TR_WindowsDIVEntity();
AdmDIVManager admDIVManager = new AdmDIVManager();
PublicBLL publicBll = new PublicBLL();
///收集信息
string strChildBoxId = "";
string strChildBoxTitle = "";
strChildBoxId = context.Request.QueryString["childboxId"].ToString().Trim();
strChildBoxTitle = context.Server.UrlDecode(context.Request.QueryString["childboxTitle"].ToString().Trim());
string strWindowsId = context.Request.QueryString["windowsId"].ToString().Trim();
string strParentBoxId=context.Request.QueryString["parentboxId"].ToString ().Trim();;
string strState = "是";
string strDateTime = publicBll.GetDate();
string strIP = publicBll.GetWebClientIp();
string strOperator ="xvshu";//context.Session["UserNo"].ToString().Trim(); ;

//給實體類賦值
EDiv.Id = strChildBoxId;
EDiv.MainRelation = strParentBoxId;
EDiv.DIVName = strChildBoxTitle;
EDiv.DIVDescribe = strChildBoxTitle;
EDiv.Operator = strOperator;
EDiv.OperatorIP = strIP;
EDiv.State = strState;
EDiv.DateTime = strDateTime;
//給WindowsDIV實體類賦值
EWindowsDiv.DIVID = strChildBoxId;
EWindowsDiv.WindowsID = strWindowsId;
EWindowsDiv.IsVisible = "是";
EWindowsDiv.Operator = strOperator;
EWindowsDiv.OperatorIP = strIP;
EWindowsDiv.DateTime = strDateTime;

//添加DIV
admDIVManager.AddDIV(EDiv,EWindowsDiv);

}

public bool IsReusable
{
get
{
return false;
}
}
}
}

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