https://msdn.microsoft.com/zh-cn/vstudio/ms531424
userData Behavior

This topic documents a feature of Binary Behaviors, which are obsolete as of Internet Explorer 10.

Enables the object to persist data in user data.

Syntax

XML <Prefix: CustomTag ID=sID STYLE=" behavior:url('#default#userData')" />
HTML <ELEMENT STYLE="behavior:url('#default#userData')" ID=sID>
Scripting object. style.behavior = "url('#default#userData')"
object. addBehavior ("#default#userData")

Possible Values

Prefix Prefix that associates the CustomTag with an XML namespace. This prefix is set using the XMLNS attribute of the HTML tag.
CustomTag User-defined tag.
sID String that specifies a unique identifier for the object.
 

Members Table

The following table lists the members exposed by the userData object.

Attributes/Properties
Property Description
expires Sets or retrieves the expiration date of data persisted with the userData behavior.
XMLDocument Retrieves a reference to the XML
Methods
Method Description
getAttribute Retrieves the value of the specified attribute.
load Loads an object participating in userData persistence from a UserData store.
removeAttribute Removes the specified attribute from the object.
save Saves an object participating in userData persistence to a UserData store.
setAttribute Sets the value of the specified attribute.

Remarks

 Security Alert  For security reasons, a UserData store is available only in the same directory and with the same protocol used to persist the store.
 Security Alert  Using this behavior incorrectly can compromise the security of your application. Data in a UserData store is not encrypted and therefore not secure. Any application that has access to the drive where UserData is saved has access to the data. Therefore, it is recommended that you not persist sensitive data like credit card numbers. For more information, see Security Considerations: DHTML and Default Behaviors.

The userData behavior persists information across sessions by writing to a UserData store. This provides a data structure that is more dynamic and has a greater capacity than cookies. The capacity of the UserData store depends on the security zone of the domain. The following table shows the maximum amount of UserData storage that is available for an individual document and also the total available for an entire domain, based on the security zone.

Security Zone Document Limit (KB) Domain Limit (KB)
Local Machine 128 1024
Intranet 512 10240
Trusted Sites 128 1024
Internet 128 1024
Restricted 64 640

See URLACTION_HTML_USERDATA_SAVE for information on how the userData behavior is regulated. See About URL Security Zones Templates for further information on the default URL policy settings for each of the five security zone templates.

The userData behavior persists data across sessions, using one UserData store for each object. The UserData store is persisted in the cache using thesave and load methods. Once the UserData store has been saved, it can be reloaded even if the document has been closed and reopened.

Setting the userData behavior class on the html, head, title, or style object causes an error when the save or load method is called.

The required style can be set inline or in the document header, as follows:

   <STYLE> 
      .storeuserData {behavior:url(#default#userData);} 
   </STYLE>

An ID is optional for userData, but including one improves performance.

The userData behavior is available as of Microsoft Internet Explorer 5, in the Microsoft Win32 and Unix platforms.

Examples

This example uses the userData behavior to preserve information in a UserData Store.

<html> 
 
<head> 
<style type="text/css"> 
.storeuserData { 
    behavior: url(#default#userData); 
} 
</style> 
<script type="text/javascript"> 
function fnSaveInput(){ 
   var oPersist=oPersistForm.oPersistInput; 
   oPersist.setAttribute("sPersist",oPersist.value); 
   oPersist.save("oXMLBranch"); 
} 
function fnLoadInput(){ 
   var oPersist=oPersistForm.oPersistInput; 
   oPersist.load("oXMLBranch"); 
   oPersist.value=oPersist.getAttribute("sPersist"); 
} 
</script> 
</head> 
 
<body> 
 
<form id="oPersistForm"> 
    <input class="storeuserData" type="text" id="oPersistInput"> 
    <input type="button" value="Load" onclick="fnLoadInput()"> 
    <input type="button" value="Save" onclick="fnSaveInput()"> 
</form> 
 
</body> 
 
</html>

Code example: http://samples.msdn.microsoft.com/workshop/samples/author/persistence/userData_1.htm

The following example uses the userData behavior in a custom tag to preserve information in a UserData Store.

<html xmlns:sdk=""> 
 
<head> 
<style type="text/css"> 
sdk\:cacher { 
    behavior: url(#default#userData); 
} 
</style> 
<script type="text/javascript"> 
function fnSaveInput(){ 
   cachetag.setAttribute("sPersist",txt1.value); 
   cachetag.save("cache"); 
} 
function fnLoadInput(){ 
   cachetag.load("cache"); 
   cachetag.value=cachetag.getAttribute("sPersist"); 
} 
</script> 
</head> 
 
<body> 
 
<sdk:cacher id="cachetag"></sdk:cacher> 
<input type="button" value="Load" onclick="fnLoadInput()"> 
<input type="button" value="Save" onclick="fnSaveInput()"> 
<input type="text" id="txt1" value="some value"> 
 
</body> 
 
</html>

Applies To

  A, ABBR, ACRONYM, ADDRESS, AREA, B, BIG, BLOCKQUOTE, BUTTON, CAPTION, CENTER, CITE, CODE, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FONT,FORM, hn, HR, I, IMG, INPUT type=button, INPUT type=checkbox, INPUT type=file, INPUT type=hidden, INPUT type=image, INPUT type=password,INPUT type=radio, INPUT type=reset, INPUT type=submit, INPUT type=text, KBD, LABEL, LI, LISTING, MAP, MARQUEE, MENU, OBJECT, OL, OPTION,P, PLAINTEXT, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TEXTAREA, TT, U, UL, VAR, XMP

See Also

 
 

userData Behavior的更多相关文章

  1. Augmenting DOM Storage with IE's userData behavior

    http://www.javascriptkit.com/javatutors/domstorage2.shtml Augmenting DOM Storage with IE's userData ...

  2. js本地存储解决方案(localStorage与userData)

    WEB应用的快速发展,是的本地存储一些数据也成为一种重要的需求,实现的方案也有很多,最普通的就是cookie了,大家也经常都用,但是cookie的缺点是显而易见的,其他的方案比如:IE6以上的user ...

  3. IE中的userData

    之前做项目时用到了localstorage,但是考虑到浏览器存在IE8以下不兼容问题,所以来介绍以下IE中的userData. 本地存储解决方案很多,比如Flash SharedObject.Goog ...

  4. 我项目中使用userData的实例 UserData.js

    关于userData的介绍,请参见http://hi.baidu.com/kaisep/blog/item/1da9a3312d2da5a15edf0e87.htmlhttp://hi.baidu.c ...

  5. JavaScript本地存储实践（html5的localStorage和ie的userData）

    http://www.css88.com/archives/3717 JavaScript本地存储实践(html5的localStorage和ie的userData) 发表于 2011年06月11日  ...

  6. javascript 进阶篇1 正则表达式，cookie管理，userData

    首先,什么事正则表达式呢,其实引入概念很多时候并不能帮我们明白它到底是什么,所以我先简单描述下,正则表达式,其实就是一个记录字符串规则则的字符串,等我们看完这一部分,也就能明白它到底是什么了. 基本语 ...

  7. 利用userData实现客户端保存表单数据

    对于多数网页制作的朋友,实现在客户端保存在网页表单上的信息,比较多的是采用Cookie技术来实现,这些功能例如:下拉列表框选择的选项,文本框输入的数据等.事实上,我们可以利用微软DHTML默认行为中的 ...

  8. 浅析Web数据存储-Cookie、UserData、SessionStorage、WebSqlDatabase

    Cookie 它是标准的客户端浏览器状态保存方式,可能在浏览器诞生不久就有Cookie了,为什么需要Cookie 这个东东?由于HTTP协议没有状态,所以需要一个标志/存储来记录客户浏览器当前的状态, ...

  9. js本地储存userData实例

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head ...

随机推荐

  1. 洛咕 P2403 [SDOI2010]所驼门王的宝藏

    简单tarjan. 一行的横天门如果暴力连边会被卡成平方,所以只要相邻两个横天门连双向边,再随便选一个横天门向整行连边即可.纵寰门同理.ziyou门直接map暴力连边. 然后tarjan直接dp. / ...

  2. AFO预定

    妈耶 数论题都不会 推不出式子 题解都看不懂 还是思维jiang化了 布星了 吃枣药丸 祝yyb进队 祝zsy进队 祝鸡贼进队

  3. Rxjava - 操作符，线程操作的简单使用

    目录 创建操作符 10种常用的操作符定义 下面做几个操作符的demo演示 create from repeat defer interval Scheduler 什么是Scheduler? 如何使用S ...

  4. vue组件--TagsInput

    简介 TagsInput 是一种可编辑的输入框,通过回车或者分号来分割每个标签,用回退键删除上一个标签.用 vue 来实现还是比较简单的. 先看效果图,下面会一步一步实现他. 注:以下代码需要vue- ...

  5. Linux golang使用cgo调用C++标准库问题

    我们知道cgo无法直接调用c++方法,但是可以通过c包装c++方法,以达到使用的目的. C++中,我们经常会用到STL.在cgo中,如果要调用STL,需要作如下操作: //cgo LDFLAGS: - ...

  6. java多线程相关代码

    1.创建线程的三种方式 使用Thread package com.wpbxx.test; //1.自定义一个类,继承java.lang包下的Thread类 class MyThread extends ...

  7. Zabbix对接AD域

    需要的信息:一个域账号密码,使用的端口:域名   1.先查看php是否安装了ldap模块 php –m (查看已安装的php模块)   若没有安装请参照“在已编译安装的PHP环境下安装LDAP模块”. ...

  8. 配置Ubuntu16.04虚拟机 (用途：CTF_pwn)

    因为学习需要16.xx的虚拟机,所以把之前18.04的Ubuntu卸掉重装了一遍Ubuntu16.04, 考虑到我有备份和重装系统的爱好,故记之,以备后用. 目录: //最后更新时间:190122·1 ...

  9. html , body , margin , overflow 之大乱战

    <!DOCTYPE html> <html> <head> <style> html,body{ margin:0 ;padding:0 } div{m ...

  10. Daily Scrumming* 2015.10.27（Day 8）

    一.总体情况总结 今日项目总结: 前后端同一了API设计以及API权限认证.用户状态保存的开发方案 API以及后端模型已经开始开发,前端UEditor开始学习,本周任务有良好的起步 前后端完成分工,后 ...