您可以使用<input type="file">
withmultiple
属性集,accept
属性设置为text/plain
; change
事件 ; FileReader
,for
循环。
var pre = document.querySelector("pre");
document.querySelector("input[type=file]")
.addEventListener("change", function(event) {
var files = event.target.files;
for (var i = 0; i < files.length; i++) {
(function(file) {
var reader = new FileReader();
reader.addEventListener("load", function(e) {
pre.textContent += "\n" + e.target.result;
});
reader.readAsText(file)
}(files[i]))
}
})
<input type="file" accept="text/plain" multiple />
<pre>
</pre>
您还可以使用webkitdirectory
和allowdirs
属性在 chrome、chrome 上进行目录上传;在夜间 45+ 或 firefox 42+,其中dom.input.dirpicker
首选项设置为true
,请参阅 Firefox 42 开发人员,选择并删除要解析的文件和/或文件夹。请注意,您还可以从文件管理器中的<input type="file">
元素中删除文件夹
var pre = document.querySelector("pre");
document.querySelector("input[type=file]")
.addEventListener("change", function(event) {
console.log(event.target.files)
var uploadFile = function(file, path) {
// handle file uploading
console.log(file, path);
var reader = new FileReader();
reader.addEventListener("load", function(e) {
pre.textContent += "\n" + e.target.result;
});
reader.readAsText(file)
};
var iterateFilesAndDirs = function(filesAndDirs, path) {
for (var i = 0; i < filesAndDirs.length; i++) {
if (typeof filesAndDirs[i].getFilesAndDirectories === 'function') {
var path = filesAndDirs[i].path;
// this recursion enables deep traversal of directories
filesAndDirs[i].getFilesAndDirectories()
.then(function(subFilesAndDirs) {
// iterate through files and directories in sub-directory
iterateFilesAndDirs(subFilesAndDirs, path);
});
} else {
uploadFile(filesAndDirs[i], path);
}
}
};
if ("getFilesAndDirectories" in event.target) {
event.target.getFilesAndDirectories()
.then(function(filesAndDirs) {
iterateFilesAndDirs(filesAndDirs, '/');
})
} else {
// do webkit stuff
var files = event.target.files;
for (var i = 0; i < files.length; i++) {
(function(file) {
uploadFile(file)
}(files[i]))
}
}
})
<!DOCTYPE html>
<html>
<head>
<script></script>
</head>
<body>
<input type="file" webkitdirectory allowdirs directory />
<pre>
</pre>
</body>
</html>
plnkr http://plnkr.co/edit/Y1XYd9rLOdKRHw6tb1Sh?p=preview
对于可以在设置标志的情况下启动的ajax
chrome、chromefile:
协议本地文件系统的请求--allow-file-access-from-files
,请参阅仅在firefox 中工作的Jquery load()?.
在 Firefox 中,您可以设置security.fileuri.strict_origin_policy
为false
,请参阅Security.fileuri.strict origin policy
。
对于$.ajax()
铬的可能方法,您可以尝试使用铬
var path = "/path/to/drectory"; // `D:\`, `file:///`
var files = [];
$.ajax({url:path, dataType:"text html"})
.then((data) => {
// match file names from `html` returned by chrome, chromium
// for directory listing of `D:\Finaltests\test1\new\places`;
// you can alternatively load the "Index of" document and retrieve
// `.textContent` from `<a>` elements within `td` at `table` of
// rendered `html`; note, `RegExp` to match file names
// could probably be improved, does not match space characters in file names
var urls = $.unique(data.match(/\b(\w+|\d+)\.txt\b/g));
return $.when.apply($, $.map(urls, (file) => {
files.push(file);
// `\`, or `/`, depending on filesystem type
return $.ajax({url:path + "/" + file
, dataType:"text html"})
.then((data) => {
// return array of objects having property set to `file` name,
// value set to text within `file`
return {[file]:data}
})
}))
})
.then((...res) => {
console.log(res, files)
})