是否有一种方法，我可以得到的最后一个值(基于'\'符号)从一个完整的路径?
例子:
C:\Documents and Settings\img\recycled log.jpg
在这种情况下，我只想从JavaScript的完整路径中回收log.jpg。
当前回答
不是比nickf的回答更简洁，但是这个直接“提取”了答案，而不是用空字符串替换不需要的部分:
var filename = /([^\\]+)$/.exec(fullPath)[1];
其他回答
var filename = fullPath.replace(/^.*[\\\/]/, '')
这将处理两个\ OR / in路径
一个简单的函数，如PHP pathInfo:
函数pathInfo(s) { s = s.match (/(.*?[\\/:])?(([^\\/:]*?)(\.[^\\/.]+?)?)(?:[?#].*)?$/); {返回文件路径:s[1]:[2],名字:[3],ext: s [4]}; ｝ console.log(pathInfo('c:\\文件夹\\文件.txt')); console.log(pathInfo('/folder/another/file.min.js?query=1')); 输入并尝试一下: <输入oninput = " . getelementbyid(“测试”).textContent = pathInfo (this.value)。文件" value="c:\folder\folder.name\ File .ext" style="width:300px">
<html>
<head>
<title>Testing File Upload Inputs</title>
<script type="text/javascript">
<!--
function showSrc() {
document.getElementById("myframe").href = document.getElementById("myfile").value;
var theexa = document.getElementById("myframe").href.replace("file:///","");
alert(document.getElementById("myframe").href.replace("file:///",""));
}
// -->
</script>
</head>
<body>
<form method="get" action="#" >
<input type="file"
id="myfile"
onChange="javascript:showSrc();"
size="30">
<br>
<a href="#" id="myframe"></a>
</form>
</body>
</html>
完整的答案是:
<html>
<head>
<title>Testing File Upload Inputs</title>
<script type="text/javascript">
function replaceAll(txt, replace, with_this) {
return txt.replace(new RegExp(replace, 'g'),with_this);
}
function showSrc() {
document.getElementById("myframe").href = document.getElementById("myfile").value;
var theexa = document.getElementById("myframe").href.replace("file:///","");
var path = document.getElementById("myframe").href.replace("file:///","");
var correctPath = replaceAll(path,"%20"," ");
alert(correctPath);
}
</script>
</head>
<body>
<form method="get" action="#" >
<input type="file"
id="myfile"
onChange="javascript:showSrc();"
size="30">
<br>
<a href="#" id="myframe"></a>
</form>
</body>
</html>
成功为你的问题编写脚本，完整测试
<script src="~/Scripts/jquery-1.10.2.min.js"></script>
<p title="text" id="FileNameShow" ></p>
<input type="file"
id="myfile"
onchange="javascript:showSrc();"
size="30">
<script type="text/javascript">
function replaceAll(txt, replace, with_this) {
return txt.replace(new RegExp(replace, 'g'), with_this);
}
function showSrc() {
document.getElementById("myframe").href = document.getElementById("myfile").value;
var theexa = document.getElementById("myframe").href.replace("file:///", "");
var path = document.getElementById("myframe").href.replace("file:///", "");
var correctPath = replaceAll(path, "%20", " ");
alert(correctPath);
var filename = correctPath.replace(/^.*[\\\/]/, '')
$("#FileNameShow").text(filename)
}
