Web 的 jQuery 文件管理器

2025年03月17日 | 阅读 9 分钟

在本文中，我们将学习如何使用jQuery为Web创建一个文件管理器。它通过启用浏览和管理文件目录，为您的Web应用程序带来了类似Windows资源管理器的功能。

以下是用于Web的jQuery文件管理器的示例。

示例 1

<html>
<head>
		<meta http-equiv="Content-type" content="text/html; charset=UTF-8" />
		<title> jQuery File manager for web </title>
		<script src="https://ajax.googleapis.ac.cn
<style>
*, *::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  position: relative;
}
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  position: relative;
}
html {
  width: 100%;
}
body {
  background: pink;
  font-family: sans-serif;
}
h1 { margin: 10px;
  font-family: arial;
  font-weight: bold;
  text-align: center;
}
h2 { margin: 10px;
  font-family: arial;
  font-weight: bold;
  text-align: center;
}
button {
  background: black;
  color: #fff;
  border: none;
  padding: 5px 10px;
  cursor: pointer;
  &:hover, &:disabled {
    background: #444;
  }
}
button:disabled {
  cursor: not-allowed;
}
.window {
  min-height: 20px;
  background: silver;
  max-width: 600px;
  margin: 20px auto;
  padding: 2px;
}
.path {
  input {
    padding: 3px;
    width: 100%;
    padding-right: 60px;
  }
  button {
    background: transparent;
    outline: none;
    color: green;
    z-index: 1;
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 24px;
    transition: 0.2s;
    &:hover {
      background: green;
      color: white;
    }
  }
}
.controls {
  padding: 2px 0;
  text-align: center;
  user-select: none;
  button {
    font-size: 20px;
    background: transparent;
    color: black;
    box-sizing: border-box;
    margin: 1px;
    outline: none;
    &:hover:not(:disabled) {
      border: 1px solid black;
      margin: 0;
    }
    &:disabled {
      color: gray;
    }
  }
  ion-icon {
    position: relative;
    top: 2px;
    transition: 0.2s;
  }
}
.explorer {
  background: #eee;
  padding: 10px;
  height: 200px;
  overflow: auto;
  font-size: 13px;
}
.file {
  padding: 22px;
  width: 80px;
  text-align: center;
  cursor: pointer;
  float: left;
  transition: 0.2s background;
  .name {
    max-width: 100%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    overflow: hidden;
    text-overflow: ellipsis;
    word-wrap: break-word;
    max-height: 2.3em;
  }
  &:hover {
    padding: 21px;
    border: 1px solid #ddd;
  }
}
.ico {
  width: 100%;
  height: 40px;
  border: 1px solid black;
  margin-bottom: 5px;
  border-radius: 5px;
  &-dir {
    background: goldenrod;
  }
  &-file {
    background: white;
  }
}

.file.selected {
  background: silver;
  .name {
    background: silver;
    overflow: unset;
    text-overflow: ellipsis;
    z-index: 10;
  }
}
.file.draggable {
  z-index: 1000;
  opacity: 0.7;
}
.contextmenu {
  display: none;
  background: silver;
  border: 1px solid black;
  width: 100px;
  position: absolute;
  z-index: 9000;
  overflow: hidden;
  transition: 0.2s;
  &-dir {
    width: 120px;
  }
  ul {
    list-style: none;
  }
  button {
    width: 100%;
    text-align: left;
    ion-icon {
      margin-right: .3em;
    }
    &:disabled {
      display: none;
    }
  }
}
</style>
<body>
<h1> Example </h1>
<h2> File manager for web using jquery </h2>
<div class='contextmenu contextmenu-files'>
  <ul>
    <li>
      <button id='btn-modal-copy'>
        <ion-icon name='copy'></ion-icon>
        Copy
      </button>
    </li>
    <li>
      <button id='btn-modal-cut'>
        <ion-icon name='cut'></ion-icon>
        Cut
      </button>
    </li>
    <li>
      <button id='btn-modal-del'>
        <ion-icon name='trash'></ion-icon>
        Delete
      </button>
    </li>
    <li>
      <button id='btn-modal-rename'>
        <ion-icon name='create'></ion-icon>
        Rename
      </button>
    </li>
  </ul>
</div>
<div class='contextmenu contextmenu-dir'>
  <ul>
    <li>
      <button id='btn-modal-mkdir'>
        <ion-icon name='folder'></ion-icon>
        New folder
      </button>
    </li>
    <li>
      <button id='btn-modal-mkfile'>
        <ion-icon name='document'></ion-icon>
        New file
      </button>
    </li>
    <li>
      <button disabled id='btn-modal-paste'>
        <ion-icon name='create'></ion-icon>
        Paste
      </button>
    </li>
  </ul>
</div>
<div class='window'>
  <div class='path'>
    <input id='path-input' type='text'>
    <button id='path-btn'>
      <ion-icon name='play'></ion-icon>
    </button>
  </div>
  <div class='controls'>
    <button class='controls__btn' id='btn-home'>
      <ion-icon name='home'></ion-icon>
    </button>
    <button class='controls__btn' id='btn-up'>
      <ion-icon name='arrow-round-back'></ion-icon>
    </button>
    <button class='controls__btn' id='btn-newdir'>
      <ion-icon name='folder'></ion-icon>
    </button>
    <button class='controls__btn' id='btn-newfile'>
      <ion-icon name='document'></ion-icon>
    </button>
    <button class='controls__btn' disabled id='btn-del'>
      <ion-icon name='trash'></ion-icon>
    </button>
    <button class='controls__btn' disabled id='btn-rename'>
      <ion-icon name='create'></ion-icon>
    </button>
    <button class='controls__btn' disabled id='btn-copy'>
      <ion-icon name='copy'></ion-icon>
    </button>
    <button class='controls__btn' disabled id='btn-cut'>
      <ion-icon name='cut'></ion-icon>
    </button>
    <button class='controls__btn' disabled id='btn-paste'>
      <ion-icon name='clipboard'></ion-icon>
    </button>
  </div>
  <div class='explorer'></div>
</div>
<script>
const root = [
  {
    name: 'css',
    type: 'folder',
    contains: [
      {
        name: 'style.css',
        type: 'file'
      },
      {
        name: 'header.css',
        type: 'file'
      },
      {
        name: 'footer.css',
        type: 'file'
      }
    ]
  },
  {
    name: 'js',
    type: 'folder',
    contains: [
      {
        name: 'slick',
        type: 'folder',
        contains: [
          {
            name: 'slick.min.js',
            type: 'file'
          },
          {
            name: 'slick.js',
            type: 'file'
          },
          {
            name: 'slick.css',
            type: 'file'
          }
        ]
      },
      {
        name: 'jquery',
        type: 'folder',
        contains: [
          {
            name: 'jquery.js',
            type: 'file'
          },
          {
            name: 'jquery.min.js',
            type: 'file'
          }
        ]
      }
    ]
  }
];
let dir = root; 
let path = [root]; 
let pathString = ['..']; 
let buffer = null, 
    cutPath = ''; 
function showDir() {
  let result = []
  dir.forEach((item)=>{
    result.push(item.name);
  });
  result.sort();
  return result.join(', ');
}
function makeDir(name) {
 if (!!dir.find((i)=>i.name === name)) return false; 
  let folder = { 
    name: name,
    type: 'folder',
    contains: []
  };
  dir.push(folder); 
  return true;
}
function makeFile(name) {
  if (!!dir.find((i)=>i.name === name)) return false;
  let file = {
    name: name,
    type: 'file'
  };
    dir.push(file);
  return true;
}
function changeDir(name) {
  if (name === '..') {
    dir = root;
    path = [root];
    pathString = ['..'];
    return true;
  }
  if (name === '.') {
    if (path.length == 1) {
      dir = root;
      path = [root];
      pathString = ['..'];
    } else {
      dir = path[path.length - 1];
      path.pop();
      pathString.pop();
    }
    return true;
  }
  let newDir = dir.find((i)=>i.name === name);
  if (!!newDir && newDir.type === 'folder') {
    path.push(dir);
    pathString.push(name);
    dir = newDir.contains;
    return true;
  } 
  return false;
}
function movePath(path) {
  let arr = path.split('/');  
  arr.forEach((name)=>{
    changeDir(name);
  });
  return getPath();
}
function getPath() {
  return pathString.join('/');
}
function rename(oldname, newname) {
  let item = dir.find((i)=>i.name === oldname);
  let isExist = dir.find((i)=>i.name === newname);
  if (!!item && !isExist) {
    item.name = newname;
    return true;
  } else return false;
}

function del(name) {
  let file = dir.findIndex((i)=>i.name === name);
  if (file >= 0) dir.splice(file, 1);
}
function copy(name) {
  let selected = dir.find((i)=>i.name === name); 
  let copied = JSON.parse(JSON.stringify(selected)); // ????? ??????? ?? ???????????? ???? ???????? ????????? ???????????? 8)
  buffer = copied;
}
function paste() {
  if (!buffer) return false;   
  let file = buffer,
      fileName = file.name;  
  let hasFile = !!(dir.find((i)=>i.name === fileName)); 
  if (hasFile) {
    if (file.type == 'folder') {
      file.name = file.name + ' copy';
    } else {
      let splitted = file.name.split('.');
      if (splitted.length > 1) {
        file.name = splitted.slice(0, -1).join('.') + ' copy' + '.' + splitted[splitted.length - 1];
      } else {
        file.name = file.name + ' copy';
      }
    }
  }
  if (!!cutPath) { // ??????? ?????? ?????, ???? ???? ???????
    let currentPath = getPath();
    let pathToCut = cutPath.split('/').slice(0,-1).join('/'),
        fileName = cutPath.split('/')[cutPath.split('/').length - 1];
    movePath(pathToCut);
    del(fileName);
    movePath(currentPath);
  }
  dir.push(file);
  buffer = null;
  return true;
}
function cut(name) {
  let file = dir.find((i)=>i.name === name);
  if (!!file) {
    copy(name);
    cutPath = getPath() + '/' + name;
  }
}
function move(file, to) {
  let currentDir = getPath();
  cut(file);
  movePath(to);
  paste();
  movePath(currentDir);
}
function render() {
  $('#path-input').val(getPath());
  let explorer = $('.explorer');
  explorer.html(' ');  
  let folders = dir.filter((i)=>i.type == 'folder').sort();
  let files = dir.filter((i)=>i.type == 'file').sort(); 
  folders.concat(files).forEach((item)=>{
    let type = item.type == "file" ? "file" : "dir",
        name = item.name;
        $(`<div class="file"><div class="ico ico-${type}"></div><div class="name">${name}</name></div>`);
     block.name = name;
    block.click(function(){
      select( $(this) );
  });
    block.dblclick(function(){
      unselect();
      let name = $(this).find('.name').html();
      movePath(name);
      render();
  });
    explorer.append(block);
  });  
  $('.file').draggable({
    stop: function(){
      render();
      unselect();
    },
    start: function() {
    $(this).addClass('draggable');
      select($(this));
    }
  }).droppable({
    drop: function() {
      if ($(this).find('.ico-file')[0]) return;
      let dirname = $(this).find('.name').html();
      move(selected, dirname);
    }
  });
}
render();
let selected = null;
function select(elem) {
  $('.selected').removeClass('selected');
  elem.addClass('selected');
  let name = elem.find('.name').html();
  selected = name;
  $('#btn-del, #btn-rename, #btn-copy, #btn-cut').prop('disabled', false);
}
function unselect() {
  selected = null;
  $('.selected').removeClass('selected');
  $('#btn-del, #btn-rename, #btn-copy, #btn-cut').prop('disabled', true);
  hideContext();
}
$('#path-btn').click(()=>{ 
  let path = $('#path-input').val();
  movePath(path);
  render();
});
$('#btn-home').click(()=>{ 
  movePath('..');
  render();
});
$('#btn-up').click(()=>{ 
  movePath('.');
  render();
});
$('#btn-newdir, #btn-modal-mkdir').click(()=>{ 
  let dirname = prompt('Directory name:', 'New Folder');
  if (dirname) {
    makeDir(dirname);
    render();
  }
});
$('#btn-newfile, #btn-modal-mkfile').click(()=>{ 
  let filename = prompt('File name:', 'New File.txt');
  if (filename) {
    makeFile(filename);
    render();
  }
});
$('#btn-del, #btn-modal-del').click(()=>{ 
  del(selected);
  render();
  unselect();
});
$('#btn-copy, #btn-modal-copy').click(()=>{ 
  copy(selected);
  $('#btn-paste, #btn-modal-paste').prop('disabled', false);
});
$('#btn-cut, #btn-modal-cut').click(()=>{ 
  cut(selected);
  $('#btn-paste, #btn-modal-paste').prop('disabled', false);
});
$('#btn-paste, #btn-modal-paste').click(()=>{
  paste();
  render();
  unselect();
  $('#btn-paste, #btn-modal-paste').prop('disabled', true);
});
$('#btn-rename, #btn-modal-rename').click(()=>{ 
  let newName = prompt('New name:', selected);
  if (newName) {
    rename(selected, newName);
    unselect();
    render();
  }
});
$('.explorer').click((e)=>{ 
   if (!e.target.closest('.file')) {
     unselect();
   }
});
let contextOpened = 0;
$('.explorer').contextmenu(function(e){
  e.preventDefault();
  unselect();
  let menu;  
  if (!e.target.closest('.file')) {
    menu = $('.contextmenu-dir');
  } else {
    menu = $('.contextmenu-files');
    e.target.click();
  }
  let x = e.pageX;
  let y = e.pageY; 
  showContext(menu, x, y);  
});
function showContext(elem, x, y) {
  if (contextOpened) {
    hideContext(show);
  } else {
    show();
  }
  function show() {
    elem.css({
        'top': y,
        'left': x
      }).slideDown("fast");
    contextOpened = 1;
  }
}

function hideContext(cb) {
  if (!cb) cb = function(){}; 
  $('.contextmenu').each(function(){
    $(this).slideUp("fast", cb);
  });
  contextOpened = 0;
}
$('.contextmenu').click(()=>{
  hideContext();
})
</script>
</body>
</html>

说明

在上面的例子中，我们使用jQuery创建了一个Web文件管理器。

输出

以下是这个例子的输出。

示例 2

<html>
<head>
		<meta http-equiv="Content-type" content="text/html; charset=UTF-8" />
		<title> jQuery File manager for web </title>
		<script src="https://ajax.googleapis.ac.cn
<style>
body {
  background: pink;
  font-family: sans-serif;
}
h1 { margin: 10px;
  font-family: arial;
  font-weight: bold;
  text-align: center;
}
h2 { margin: 10px;
  font-family: arial;
  font-weight: bold;
  text-align: center;
}
body {
	margin: 0;
  font-size: 12px;
}
.browser {
	width: 300px;
	height: 200px;
	border: 1px solid gray;
  float: left;
  margin: 20px;
}
.browser.selected {
	border-color: blue;
}
.browser-widget li.file,
.browser-widget li.directory {
    width: 60px;
}
</style>
<body>
<h1> Example </h1>
<h2> File manager for web using jquery </h2>
<div class="browser"> </div>
</body>
<script>
(function($) {
  var env = {
    'foo': {
      'foo.txt': 'foo.txt content',
      'bar.txt': 'bar.txt content'
    },
    'bar': {
      'page.html': '<html></html>',
      'style.css': 'body { overflow: scroll; }',
      baz: {
        'foo.txt': 'Hello'
      }
    },
    'baz.txt': 'baz.txt content',
    'quux.txt': 'quux.txt content',
    'lorem.svg': 'lorem.svg content',
    'ipsum.doc': 'ipsum.doc content',
    'dolor.txt': 'dolor.txt content',
    'sit.jpg': 'sit.jpg content',
    'amet.gif': 'amet.gif content'
  };
  function get(path) {
    var current = env;
    browser.walk(path, function(file) {
      current = current[file];
    });
    return current;
  }
  function remove(src) {
    var file = env;
    browser.walk(src, function(part, last) {
      var src = file[part];
      if (last) {
        delete file[part];
      }
      file = src;
    });
  }
  function process(src, dest, remove) {
    console.log('process ' + src + ' => ' + dest);
    var file = env;
    var name;
    browser.walk(src, function(part, last) {
      var src = file[part];
      if (last) {
        if (remove) {
          delete file[part];
        }
      }
      file = src;
    });
    var current = env;
    browser.walk(dest, function(part, last) {
      if (!last) {
        current = current[part];
      } else {
        name = part;
      }
    });
    current[name] = file;
    var defer = $.Deferred();
    setTimeout(function() {
      defer.resolve();
    }, 1000);
    return defer.promise();
  }
  function upload(file, path) {
    var current = env;
    browser.walk(path, function(part) {
      if (!current[part]) {
        current[part] = {}; 
      }
      current = current[part];
    });
    current[file.name] = 'new file ' + file.name;
    console.log('upload ' + file.name + ' to ' + path + ' directory');
    return $.when(true); // resolved promise
  }
  $('.browser').browse({
    root: '/',
    separator: '/',
    contextmenu: true,
    name: 'filestystem',
    menu: function(type) {
      if (type == 'li') {
        return {
          'play': function($li) {
            alert('winamp play "' + $li.text() + '"');
          },
          'add to playlist': function($li) {
            alert('playlist "' + $li.text() + '"');
          }
        }
      }
    },
    remove: function(src) {
      remove(src);
    },
    rename: function(src, dest) {
      return process(src, dest, true);
    },
    refresh_timer: 0,
    copy: process,
    dir: function(path) {
      dir = get(path);
      var result;
      if ($.isPlainObject(dir)) {
        result = {files:[], dirs: []};
        Object.keys(dir).forEach(function(key) {
          if (typeof dir[key] == 'string') {
            result.files.push(key);
          } else if ($.isPlainObject(dir[key])) {
            result.dirs.push(key);
          }
        });
      }
      return $.when(result); // resolved promise
    },
    upload: function(file, path) {
      return upload(file, path);
    },
    open: function(filename) {
      var file = get(filename);
      if (typeof file == 'string') {
        alert(file);
      }
    }
  });
  var browser = $('.browser').eq(0).browse();
})(jQuery);

github('jcubic/jquery.filebrowser');
(function($) {
  var env = {
    'foo': {
      'foo.txt': 'foo.txt content',
      'bar.txt': 'bar.txt content'
    },
    'bar': {
      'page.html': '<html></html>',
      'style.css': 'body { overflow: scroll; }',
      baz: {
        'foo.txt': 'Hello'
      }
    },
    'baz.txt': 'baz.txt content',
    'quux.txt': 'quux.txt content',
    'lorem.svg': 'lorem.svg content',
    'ipsum.doc': 'ipsum.doc content',
    'dolor.txt': 'dolor.txt content',
    'sit.jpg': 'sit.jpg content',
    'amet.gif': 'amet.gif content'
  };
  function get(path) {
    var current = env;
    browser.walk(path, function(file) {
      current = current[file];
    });
    return current;
  }
  function remove(src) {
    var file = env;
    browser.walk(src, function(part, last) {
      var src = file[part];
      if (last) {
        delete file[part];
      }
      file = src;
    });
  }
  function process(src, dest, remove) {
    console.log('process ' + src + ' => ' + dest);
    var file = env;
    var name;
    browser.walk(src, function(part, last) {
      var src = file[part];
      if (last) {
        if (remove) {
          delete file[part];
        }
      }
      file = src;
    });
    var current = env;
    browser.walk(dest, function(part, last) {
      if (!last) {
        current = current[part];
      } else {
        name = part;
      }
    });
    current[name] = file;
    var defer = $.Deferred();
    setTimeout(function() {
      defer.resolve();
    }, 1000);
    return defer.promise();
  }
  function upload(file, path) {
    var current = env;
    browser.walk(path, function(part) {
      if (!current[part]) {
        current[part] = {}; 
      }
      current = current[part];
    });
    current[file.name] = 'new file ' + file.name;
    console.log('upload ' + file.name + ' to ' + path + ' directory');
    return $.when(true); 
  }
  $('.browser').browse({
    root: '/',
    separator: '/',
    contextmenu: true,
    name: 'filestystem',
    menu: function(type) {
      if (type == 'li') {
        return {
          'play': function($li) {
            alert('winamp play "' + $li.text() + '"');
          },
          'add to playlist': function($li) {
            alert('playlist "' + $li.text() + '"');
          }
        }
      }
    },
    remove: function(src) {
      remove(src);
    },
    rename: function(src, dest) {
      return process(src, dest, true);
    },
    refresh_timer: 0,
    copy: process,
    dir: function(path) {
      dir = get(path);
      var result;
      if ($.isPlainObject(dir)) {
        result = {files:[], dirs: []};
        Object.keys(dir).forEach(function(key) {
          if (typeof dir[key] == 'string') {
            result.files.push(key);
          } else if ($.isPlainObject(dir[key])) {
            result.dirs.push(key);
          }
        });
      }
      return $.when(result); 
    },
    upload: function(file, path) {
      return upload(file, path);
    },
    open: function(filename) {
      var file = get(filename);
      if (typeof file == 'string') {
        alert(file);
      }
    }
  });
  var browser = $('.browser').eq(0).browse();
})(jQuery);
</script>
</body>
</html>

说明

在上面的例子中，我们使用jQuery创建了一个Web文件管理器。

输出

以下是这个例子的输出。

下一个主题使用jQuery自动格式化数字和货币

Web 的 jQuery 文件管理器

示例 1

示例 2

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