js中获取file控件的完整路径实例

作者:袖梨 2022-11-14

document.getElementById(""my-file"").files办法用于获取到用户所选择的文件的凑集,一般景象下都是选择单一文件(貌似FireFox如许做是支撑多文件选择的,不过没有试过,读者可以本身去测验测验),item数组可以获得此中的某一个文件,然后我们就可以应用 nsIDOMFile所供给的属性和办法了。它包含2个属性和3个办法:

fileName:用于获取到用户所选文件的名称,这和直接取value值所获得的成果一样。

fileSize:获得用户所选文件的大小。

getAsBinary():获得用户所选文件的二进制数据。

getAsDataURL():获得用户所选文件的路径,该路径被加密了,今朝只能在FireFox中应用。

getAsText():获得用户所选文件的指定字符编码的文本。

  有一点须要申明,办法getAsDataURL()可以取得用户所选文件的本地路径,然则这个路径的字符串文本被FireFox加密了,并且这段密文只能被FireFox辨认,其它的浏览器不克不及辨认,也就是说我将被加密后的路径直接赋值给一个img标签的src属性,在FireFox中是可以直接显示出的,而在IE中却不可。

代码如下 复制代码



get file input full pathtitle><br /> <script language=""javascript""><br /> function getFullPath(obj)<br /> {<br /> if(obj)<br /> {<br /> if (window.navigator.userAgent.indexOf("MSIE")>=1) //ie<br /> {<br /> obj.();<br /> return document.ion.createRange().text;<br /> }<br /> else if(window.navigator.userAgent.indexOf("Firefox")>=1) //firefox<br /> {<br /> if(obj.files)<br /> {<br /> return obj.files.item(0).getAsDataURL();<br /> }<br /> return obj.value;<br /> }<br /> return obj.value;<br /> }<br /> }<br /> </script> <br /> <head><br /> <body><br /> <input type="file" onchange="document.getElementById(""img"").src=getFullPath(this);" /><br /> <img id="img" /><br /> </body><br /> </html></p> </td> </tr> </table> <p>上面实例在ie8中无法获取哦,下面我再给大家介绍一款可以兼容ie6,ie7,ie8中的解决办法,大家可参考。</p> <p>例子二</p> <table width="620" align="center" border="0" cellpadding="1" cellspacing="1" style="background:#FB7"> <tr> <td width="464" height="27" bgcolor="#FFE7CE"> 代码如下</td> <td width="109" align="center" bgcolor="#FFE7CE" style="cursor:pointer;" onClick="doCopy('copy9753')">复制代码</td> </tr> <tr> <td height="auto" colspan="2" valign="top" bgcolor="#FFFFFF" style="padding:10px;" class="copyclass" id=copy9753> <p><script type="text/javascript"> <br /> //FX获取文件路径方法 <br /> function readFileFirefox(fileBrowser) { <br /> try { <br /> netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); <br /> } <br /> catch (e) { <br /> alert('无法访问本地文件,由于浏览器安全设置。为了克服这一点,请按照下列步骤操作:(1)在地址栏输入"about:config";(2) 右键点击并选择 New->Boolean; (3) 输入"signed.applets.codebase_principal_support" (不含引号)作为一个新的首选项的名称;(4) 点击OK并试着重新加载文件'); <br /> return; <br /> } <br /> var fileName=fileBrowser.value; //这一步就能得到客户端完整路径。下面的是否判断的太复杂,还有下面得到ie的也很复杂。 <br /> var file = Components.classes["@mozilla.org/file/local;1"] <br /> .createInstance(Components.interfaces.nsILocalFile); <br /> try { <br /> // Back slashes for windows <br /> file.initWithPath( fileName.replace(///g, "\") ); <br /> } <br /> catch(e) { <br /> if (e.result!=Components.results.NS_ERROR_FILE_UNRECOGNIZED_PATH) throw e; <br /> alert("File '" + fileName + "' cannot be loaded: relative paths are not allowed. Please provide an absolute path to this file."); <br /> return; <br /> } <br /> if ( file.exists() == false ) { <br /> alert("File '" + fileName + "' not found."); <br /> return; <br /> } <br /> return file.path; <br /> } <br /> //根据不同浏览器获取路径 <br /> function getvl(){ <br /> //判断浏览器 <br /> var Sys = {}; <br /> var ua = navigator.userAgent.toLowerCase(); <br /> var s; <br /> (s = ua.match(/msie ([d.]+)/)) ? Sys.ie = s[1] : <br /> (s = ua.match(/firefox/([d.]+)/)) ? Sys.firefox = s[1] : <br /> (s = ua.match(/chrome/([d.]+)/)) ? Sys.chrome = s[1] : <br /> (s = ua.match(/opera.([d.]+)/)) ? Sys.opera = s[1] : <br /> (s = ua.match(/version/([d.]+).*safari/)) ? Sys.safari = s[1] : 0; <br /> var file_url=""; <br /> if(Sys.ie<="6.0"){ <br /> //ie5.5,ie6.0 <br /> file_url = document.getElementById("file").value; <br /> }else if(Sys.ie>="7.0"){ <br /> //ie7,ie8 <br /> var file = document.getElementById("file"); <br /> file.select(); <br /> file_url = document.selection.createRange().text; <br /> }else if(Sys.firefox){ <br /> //fx <br /> //file_url = document.getElementById("file").files[0].getAsDataURL();//获取的路径为FF识别的加密字符串 <br /> file_url = readFileFirefox(document.getElementById("file")); <br /> } <br /> //alert(file_url); <br /> document.getElementById("text").innerHTML="获取文件域完整路径为:"+file_url; <br /> } <br /> </script> <br /> <h1>JS获取文件域完整路径的方法,兼容不同浏览器</h1> <br /> <div id="text" style="color:#f00;"></div> <br /> <input type="file" id="file" /> <br /> <input name="" type="button" value="获取" onClick="getvl();"></p> </td> </tr> </table></td> </tr> </table> </div> </div> </section> <section class="wrap-box"> <div class="g-tit"> <h2>相关文章</h2> </div> <ul class="s-list nobord notop"> <li> <a href="/art-455782.htm" class="s-card"> <div class="s-card-l"> <p class="tit">《侠客风云传》貔貅拳套获取方式 怎么获得吸蓝拳套</p> <div class="info"> <span class="person">游戏攻略</span> <span class="time">2025-08-08</span> </div> </div> <div class="s-card-pic"> <img src="/images/lazy.gif" data-src="/uploads/20250808/logo_6895c55423d1c1.jpg" alt="《侠客风云传》貔貅拳套获取方式 怎么获得吸蓝拳套" /> </div> </a> </li> <li> <a href="/art-455783.htm" class="s-card"> <div class="s-card-l"> <p class="tit">黑曜石《宣誓》采用非线性叙事:把选择权交给玩家!</p> <div class="info"> <span class="person">游戏攻略</span> <span class="time">2025-08-08</span> </div> </div> <div class="s-card-pic"> <img src="/images/lazy.gif" data-src="/uploads/20250808/logo_6895c5562198c1.jpg" alt="黑曜石《宣誓》采用非线性叙事:把选择权交给玩家!" /> </div> </a> </li> <li> <a href="/art-455784.htm" class="s-card"> <div class="s-card-l"> <p class="tit">无限暖暖满电行动任务攻略-无限暖暖满电行动任务怎么做</p> <div class="info"> <span class="person">游戏攻略</span> <span class="time">2025-08-08</span> </div> </div> <div class="s-card-pic"> <img src="/images/lazy.gif" data-src="/uploads/20250808/logo_6895c557895831.jpg" alt="无限暖暖满电行动任务攻略-无限暖暖满电行动任务怎么做" /> </div> </a> </li> <li> <a href="/art-455785.htm" class="s-card"> <div class="s-card-l"> <p class="tit">无限暖暖植物在哪采集-无限暖暖植物采集地点汇总</p> <div class="info"> <span class="person">游戏攻略</span> <span class="time">2025-08-08</span> </div> </div> <div class="s-card-pic"> <img src="/images/lazy.gif" data-src="/uploads/20250808/logo_6895c55b2ad7d1.png" alt="无限暖暖植物在哪采集-无限暖暖植物采集地点汇总" /> </div> </a> </li> <li> <a href="/art-455786.htm" class="s-card"> <div class="s-card-l"> <p class="tit">魔兽世界法力陵墓如何去-魔兽世界法力陵墓进去方法攻略</p> <div class="info"> <span class="person">游戏攻略</span> <span class="time">2025-08-08</span> </div> </div> <div class="s-card-pic"> <img src="/images/lazy.gif" data-src="/uploads/20250808/logo_6895c55f73cd71.jpg" alt="魔兽世界法力陵墓如何去-魔兽世界法力陵墓进去方法攻略" /> </div> </a> </li> <li> <a href="/art-455787.htm" class="s-card"> <div class="s-card-l"> <p class="tit">无尽梦回荆棘之梦怎么样-无尽梦回荆棘之梦优势详解</p> <div class="info"> <span class="person">游戏攻略</span> <span class="time">2025-08-08</span> </div> </div> <div class="s-card-pic"> <img src="/images/lazy.gif" data-src="/uploads/20250808/logo_6895c560791c31.jpg" alt="无尽梦回荆棘之梦怎么样-无尽梦回荆棘之梦优势详解" /> </div> </a> </li> </ul> </section> <section class="wrap-box"> <div class="g-tit"> <h2>精彩推荐</h2> </div> <ul class="card-box"> <li class="card3"> <a href="/app/132337.htm" target="_self" class="figure"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250808/logo_6895a0f0bacc91.png" alt="玩趣大冒险" /> </div> <p class="figure-head">玩趣大冒险</p> <span class="figure-btn">下载</span> </a> </li> <li class="card3"> <a href="/app/131352.htm" target="_self" class="figure"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250806/logo_6892e278a182d1.png" alt="像素世界3d生存" /> </div> <p class="figure-head">像素世界3d生存</p> <span class="figure-btn">下载</span> </a> </li> <li class="card3"> <a href="/app/132146.htm" target="_self" class="figure"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250808/logo_68955bd2189d31.png" alt="刺杀高手" /> </div> <p class="figure-head">刺杀高手</p> <span class="figure-btn">下载</span> </a> </li> <li class="card3"> <a href="/app/130086.htm" target="_self" class="figure"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250804/logo_6890078077b631.jpg" alt="来打我呀" /> </div> <p class="figure-head">来打我呀</p> <span class="figure-btn">下载</span> </a> </li> </ul> <ul class="card-box-b"> <li class="card10"> <a href="/app/131598.htm" target="_self" class="figure2"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250807/logo_689409a9f18891.png" alt="动物餐厅" /> </div> <div class="figure-cont"> <p class="figure-head">动物餐厅</p> <div class="figure-desc"> <span>模拟经营</span> <span>动物餐厅</span> </div> <div class="figure-desc"> <p>动物餐厅从一只流浪猫开始展开温暖日常,你将经营餐厅、学习菜谱</p> </div> </div> <span class="figure-btn">下载</span> </a> </li> <li class="card10"> <a href="/app/132332.htm" target="_self" class="figure2"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250808/logo_6895a0e830d771.png" alt="小小沙盒城市" /> </div> <div class="figure-cont"> <p class="figure-head">小小沙盒城市</p> <div class="figure-desc"> <span>模拟经营</span> <span>小小沙盒城市</span> </div> <div class="figure-desc"> <p>小小沙盒城市给你一整片无限自由的世界,没有限制没有任务,一切</p> </div> </div> <span class="figure-btn">下载</span> </a> </li> <li class="card10"> <a href="/app/132333.htm" target="_self" class="figure2"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250808/logo_6895a0ea6a5d91.png" alt="滑动小能手" /> </div> <div class="figure-cont"> <p class="figure-head">滑动小能手</p> <div class="figure-desc"> <span>模拟经营</span> <span>滑动小能手</span> </div> <div class="figure-desc"> <p>滑动小能手用超简单的滑动操作搞定复杂的港口运输挑战,货船一艘</p> </div> </div> <span class="figure-btn">下载</span> </a> </li> <li class="card10"> <a href="/app/132334.htm" target="_self" class="figure2"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250808/logo_6895a0ec209451.png" alt="疯厨师" /> </div> <div class="figure-cont"> <p class="figure-head">疯厨师</p> <div class="figure-desc"> <span>模拟经营</span> <span>疯厨师</span> </div> <div class="figure-desc"> <p>疯厨师让你一秒变身餐饮大亨,从备料到出餐全都亲力亲为,手速爆</p> </div> </div> <span class="figure-btn">下载</span> </a> </li> <li class="card10"> <a href="/app/132338.htm" target="_self" class="figure2"> <div class="figure-box"> <img src="/images/lazy.gif" data-src="https://img.111cn.net/uploads/20250808/logo_6895a0f257e231.png" alt="气泡星球" /> </div> <div class="figure-cont"> <p class="figure-head">气泡星球</p> <div class="figure-desc"> <span>模拟经营</span> <span>气泡星球</span> </div> <div class="figure-desc"> <p>气泡星球是个超梦幻的魔法治愈小镇,从种田钓鱼到开餐厅全都能玩</p> </div> </div> <span class="figure-btn">下载</span> </a> </li> </ul> </section> <footer class="foot"> <a href="/" class="logo-icon"> <img src="/mobile/images/logo2.png" alt="一聚教程网"> </a> <p>Copyright © 2010-2022</p> <p>111cn.net All Rights Reserved</p> </footer> <script> var advData = {"img_fixed_pc_adv":"https:\/\/img.111cn.net\/uploads\/20240509\/663c2e9729f58.jpg","img_fixed_mob_adv":"https:\/\/img.111cn.net\/uploads\/20240509\/663c2e8793225.jpg","url_adv":"http:\/\/shop.hushen.cn\/shop\/c\/baojianpin.html","str_adv":"\u864e\u795e\u5546\u57ce\uff1a\u5173\u7231\u7537\u6027\uff0c\u66f4\u61c2\u7537\u4eba\u3002\u89e3\u51b3\u5927\u4f17\u7684\u7537\u8a00\u4e4b\u9690","img_popup_adv":"https:\/\/img.111cn.net\/uploads\/20240509\/663c2e748238d.png","pc_show_img":"2","pc_show_popup":"2","pc_show_video":"2","mob_show_img":"2","mob_show_popup":"2","mob_show_video":"2","close_adv":"https:\/\/img.111cn.net\/uploads\/20240508\/663b20650801e.png","video_adv":"\/pc\/images\/pc-adv.mp4"}; </script> <script src="/jspc/funcmob.js" type="text/javascript"></script> <!-- Google tag (gtag.js) --> <script async src="https://www.googletagmanager.com/gtag/js?id=G-DSRRGRV1TL"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-DSRRGRV1TL'); </script> <div class="back-top" style="display: block;"> <span class="icon-box"> <svg class="icon" viewBox="0 0 1024 1024"> <path d="M213.333333 640h170.666667v256h256v-256h170.666667l-298.666667-341.333333zM170.666667 128h682.666666v85.333333H170.666667z" fill="#0374f3"></path> </svg> </span> </div> </div> <script src="/js/stat.js"></script> </body> </html>