ASP.NET は HTML ページ要素のアクセス許可を制御します (3)
- 高洛峰オリジナル
- 2017-02-03 15:07:301105ブラウズ
前回のブログでは考慮していなかった点がいくつかあります。今回は次のようにコードを変更しました:
Interfacefrontend:
<%@ 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">当前位置：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">请选择界面：</label> <asp:DropDownList ID="DdlWindowsName" runat="server" AutoPostBack="True" OnSelectedIndexChanged="DdlWindowsName_SelectedIndexChanged"> </asp:DropDownList> <a class="btn-lit" href="#" onclick="WindowsInfo()"><span>扫描界面信息</span></a> </div> </div> </div> </div> </div> <div class="block"> <div class="h"> <span class="icon-sprite icon-list"></span> <h3>界面详情</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>
Interface backend:
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)
{
//绑定界面
DataBindWindows(strLike);
}
}
/// <summary>
/// 绑定所有界面
/// </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);
//绑定界面信息
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);
//获得路径
string strURL = rows[0]["WindowsURL"].ToString ();
strURL = "../../" + strURL;
frmWindows.Attributes["src"]=strURL;
frmUpdateDIV.Attributes["src"] = "AdmUpdateDIV.aspx?WindowsID='" + strWindowsId + "'";
}
}
}JS:
var WindowsID;
function WindowsInfo() {
//获取ifrm
var frmWindows = document.getElementById("frmWindows").contentWindow;
//获取界面ID
WindowsID = document.getElementById("DdlWindowsName").value;
var rootboxs = frmWindows.document.getElementById("main");
var child = rootboxs.childNodes;
findchildbox(child);
};
//搜寻子节点
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();
//为了兼容部分Mozillar浏览器,当来自服务器响应开头不是xml，导致的无法响应问题
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");
}
////注册回调函数
//xmlhttp.onreadystatechange = callback;
//发送信息
xmlhttp.open('GET', '../../Manager/RoleManager/AddBox.ashx?childboxId=' + childboxId + '&childboxTitle=' + childboxTitle + '&parentboxId=' + parentboxId+'&windowsId='+WindowsID, true);
xmlhttp.send(null);
//function callback() {
// //判断交互是否完成,是否正确返回
// if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
// }
//}
}
findchildbox(parentNode[i].childNodes)
}
}
//查询父节点
function findparentbox(child) {
if (child.nodeName == "BOX") {
return child;
} else {
return findparentbox(child.parentNode)
}
}General handler:
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 的摘要说明
/// </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(); ;
//给实体类赋值
EDiv.Id = strChildBoxId;
EDiv.MainRelation = strParentBoxId;
EDiv.DIVName = strChildBoxTitle;
EDiv.DIVDescribe = strChildBoxTitle;
EDiv.Operator = strOperator;
EDiv.OperatorIP = strIP;
EDiv.State = strState;
EDiv.DateTime = strDateTime;
//给WindowsDIV实体类赋值
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;
}
}
}
}More ASP .NET HTML ページ要素のアクセス許可を制御する (3) 関連記事は、PHP 中国語 Web サイトに注目してください。
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