blocks|key|1541103|text|您可以在<input+type="file">元素设置webkitdirectory和allowdirs属性；将change、drop事件附加到<input+type="file">元素；在mozilla使用.getFilesAndDirectories()，在d9、Array.prototype.reduce()、Promise、递归使用.getFilesAndDirectories()。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1541104|请注意，火狐drop事件不会将选择列为Directory，而是具有size+0的File对象，因此，即使在使用event.dataTransfer.getFilesAndDirectories()的情况下，火狐的拖放目录也不会提供拖放文件夹的表示。当设置了allowdirs属性时，firefox还提供了两个输入元素；第一个元素允许单个文件上传，第二个元素允许目录上传。铬/铬提供单个<input+type="file">元素，其中只能选择单个或多个目录，而不能选择单个文件。|1541105|在同时包含文件和目录的目录中，首先读取目录。|1541106|<!DOCTYPE+html>
<html>

<head>
++<style+type="text/css">
++++input[type="file"]+{
++++++width:+98%25;
++++++height:+180px;
++++}

++++label[for="file"]+{
++++++width:+98%25;
++++++height:+180px;
++++}

++++.area+{
++++++display:+block;
++++++border:+5px+dotted+#ccc;
++++++text-align:+center;
++++}

++++.area:after+{
++++++display:+block;
++++++border:+none;
++++++white-space:+pre;
++++++content:+"Drop+your+files+or+folders+here!\aOr+click+to+select+files+folders";
++++++position:+relative;
++++++left:+0%25;
++++++top:+-75px;
++++++text-align:+center;
++++}

++++.drag+{
++++++border:+5px+dotted+green;
++++++background-color:+yellow;
++++}

++++#result+ul+{
++++++list-style:+none;
++++++margin-top:+20px;
++++}

++++#result+ul+li+{
++++++border-bottom:+1px+solid+#ccc;
++++++margin-bottom:+10px;
++++}

++++#result+li+span+{
++++++font-weight:+bold;
++++++color:+navy;
++++}
++</style>
</head>


<body>
++<label+id="dropArea"+class="area">
++++<input+id="file"+type="file"+directory+allowdirs+webkitdirectory/>
++</label>
++<output+id="result">
++++<ul></ul>
++</output>
++<script>
++++var+dropArea+=+document.getElementById("dropArea");
++++var+output+=+document.getElementById("result");
++++var+ul+=+output.querySelector("ul");

++++function+dragHandler(event)+{
++++++event.stopPropagation();
++++++event.preventDefault();
++++++dropArea.className+=+"area+drag";
++++}

++++function+filesDroped(event)+{
++++++var+webkitResult+=+[];
++++++var+mozResult+=+[];
++++++var+files;
++++++console.log(event);
++++++event.stopPropagation();
++++++event.preventDefault();
++++++dropArea.className+=+"area";

++++++//+do+mozilla+stuff
++++++//+TODO+adjust,+call+`listDirectory()`,+`listFile()`
++++++function+mozReadDirectories(entries,+path)+{
++++++++console.log("dir",+entries,+path);
++++++++return+[].reduce.call(entries,+function(promise,+entry)+{
++++++++++++return+promise.then(function()+{
++++++++++++++return+Promise.resolve(entry.getFilesAndDirectories()+%7C%7C+entry)
++++++++++++++++.then(function(dir)+{
++++++++++++++++++return+dir
++++++++++++++++})
++++++++++++})
++++++++++},+Promise.resolve())
++++++++++.then(function(items)+{
++++++++++++var+dir+=+items.filter(function(folder)+{
++++++++++++++return+folder+instanceof+Directory
++++++++++++});
++++++++++++var+files+=+items.filter(function(file)+{
++++++++++++++return+file+instanceof+File
++++++++++++});
++++++++++++if+(files.length)+{
++++++++++++++//+console.log("files:",+files,+path);
++++++++++++++files.forEach(function(file)+{
++++++++++++++++console.log(file)
++++++++++++++});
++++++++++++++mozResult+=+mozResult.concat.apply(mozResult,+files);
++++++++++++}
++++++++++++if+(dir.length)+{
++++++++++++++//+console.log(dir,+dir[0]+instanceof+Directory);
++++++++++++++return+mozReadDirectories(dir,+dir[0].path+%7C%7C+path);

++++++++++++}+else+{
++++++++++++++if+(!dir.length)+{
++++++++++++++++return+Promise.resolve(mozResult).then(function(complete)+{
++++++++++++++++++return+complete
++++++++++++++++})
++++++++++++++}
++++++++++++}

++++++++++})

++++++};

++++++function+handleEntries(entry)+{
++++++++let+file+=+"webkitGetAsEntry"+in+entry+?+entry.webkitGetAsEntry()+:+entry
++++++++return+Promise.resolve(file);
++++++}

++++++function+handleFile(entry)+{
++++++++return+new+Promise(function(resolve)+{
++++++++++if+(entry.isFile)+{
++++++++++++entry.file(function(file)+{
++++++++++++++listFile(file,+entry.fullPath).then(resolve)
++++++++++++})
++++++++++}+else+if+(entry.isDirectory)+{
++++++++++++var+reader+=+entry.createReader();
++++++++++++reader.readEntries(webkitReadDirectories.bind(null,+entry,+handleFile,+resolve))
++++++++++}+else+{
++++++++++++var+entries+=+[entry];
++++++++++++return+entries.reduce(function(promise,+file)+{
++++++++++++++++return+promise.then(function()+{
++++++++++++++++++return+listDirectory(file)
++++++++++++++++})
++++++++++++++},+Promise.resolve())
++++++++++++++.then(function()+{
++++++++++++++++return+Promise.all(entries.map(function(file)+{
++++++++++++++++++return+listFile(file)
++++++++++++++++})).then(resolve)
++++++++++++++})
++++++++++}
++++++++})

++++++++function+webkitReadDirectories(entry,+callback,+resolve,+entries)+{
++++++++++console.log(entries);
++++++++++return+listDirectory(entry).then(function(currentDirectory)+{
++++++++++++console.log(`iterating+${currentDirectory.name}+directory`,+entry);
++++++++++++return+entries.reduce(function(promise,+directory)+{
++++++++++++++return+promise.then(function()+{
++++++++++++++++return+callback(directory)
++++++++++++++});
++++++++++++},+Promise.resolve())
++++++++++}).then(resolve);
++++++++}

++++++}
++++++//+TODO:+handle+mozilla+directories,+additional+directories+being+selected+dropped+and+listed+without
++++++//+creating+nested+list+at+`html`+where+different+directory+selected+or+dropped
++++++function+listDirectory(entry)+{
++++++++console.log(entry);
++++++++var+path+=+(entry.fullPath+%7C%7C+entry.webkitRelativePath.slice(0,+entry.webkitRelativePath.lastIndexOf("/")));
++++++++var+cname+=+path.split("/").filter(Boolean).join("-");
++++++++console.log("cname",+cname)
++++++++if+(!document.getElementsByClassName(cname).length)+{
++++++++++var+directoryInfo+=+`<li><ul+class=${cname}>
++++++++++++++++++++++<li>
++++++++++++++++++++++<span>
++++++++++++++++++++++++Directory+Name:+${entry.name}<br>
++++++++++++++++++++++++Path:+${path}
++++++++++++++++++++++++<hr>
++++++++++++++++++++++</span>
++++++++++++++++++++++</li></ul></li>`;
++++++++++var+curr+=+document.getElementsByTagName("ul");
++++++++++var+_ul+=+curr[curr.length+-+1];
++++++++++var+_li+=+_ul.querySelectorAll("li");
++++++++++if+(!document.querySelector("[class*="+%2B+cname+%2B+"]"))+{
++++++++++++if+(_li.length)+{
++++++++++++++_li[_li.length+-+1].innerHTML+%2B=+`${directoryInfo}`;
++++++++++++}+else+{
++++++++++++++_ul.innerHTML+%2B=+`${directoryInfo}`
++++++++++++}
++++++++++}+else+{
++++++++++++ul.innerHTML+%2B=+`${directoryInfo}`
++++++++++}
++++++++}
++++++++return+Promise.resolve(entry);
++++++}
+++++++//+TODO:+handle+mozilla+files
++++++function+listFile(file,+path)+{
++++++++path+=+path+%7C%7C+file.webkitRelativePath+%7C%7C+"/"+%2B+file.name;
++++++++var+filesInfo+=+`<li>
++++++++++++++++++++++++Name:+${file.name}</br>+
++++++++++++++++++++++++Size:+${file.size}+bytes</br>+
++++++++++++++++++++++++Type:+${file.type}</br>+
++++++++++++++++++++++++Modified+Date:+${file.lastModifiedDate}<br>
++++++++++++++++++++++++Full+Path:+${path}
++++++++++++++++++++++</li>`;

++++++++var+currentPath+=+path.split("/").filter(Boolean);
++++++++currentPath.pop();
++++++++var+appended+=+false;
++++++++var+curr+=+document.getElementsByClassName(`${currentPath.join("-")}`);
++++++++if+(curr.length)+{
++++++++++for+(li+of+curr[curr.length+-+1].querySelectorAll("li"))+{
++++++++++++if+(li.innerHTML.indexOf(path.slice(0,+path.lastIndexOf("/")))+>+-1)+{
++++++++++++++li.querySelector("span").insertAdjacentHTML("afterend",+`${filesInfo}`);
++++++++++++++appended+=+true;
++++++++++++++break;
++++++++++++}

++++++++++}
++++++++++if+(!appended)+{
++++++++++++curr[curr.length+-+1].innerHTML+%2B=+`${filesInfo}`;
++++++++++}
++++++++}
++++++++console.log(`reading+${file.name},+size:+${file.size},+path:${path}`);
++++++++webkitResult.push(file);
++++++++return+Promise.resolve(webkitResult)
++++++};

++++++function+processFiles(files)+{
++++++++Promise.all([].map.call(files,+function(file,+index)+{
++++++++++++return+handleEntries(file,+index).then(handleFile)
++++++++++}))
++++++++++.then(function()+{
++++++++++++console.log("complete",+webkitResult)
++++++++++})
++++++++++.catch(function(err)+{
++++++++++++alert(err.message);
++++++++++})
++++++}

++++++if+("getFilesAndDirectories"+in+event.target)+{
++++++++return+(event.type+===+"drop"+?+event.dataTransfer+:+event.target).getFilesAndDirectories()
++++++++++.then(function(dir)+{
++++++++++++if+(dir[0]+instanceof+Directory)+{
++++++++++++++console.log(dir)
++++++++++++++return+mozReadDirectories(dir,+dir[0].path+%7C%7C+path)
++++++++++++++++.then(function(complete)+{
++++++++++++++++++console.log("complete:",+complete);
++++++++++++++++++event.target.value+=+null;
++++++++++++++++});
++++++++++++}+else+{
++++++++++++++if+(dir[0]+instanceof+File+&&+dir[0].size+>+0)+{
++++++++++++++return+Promise.resolve(dir)
++++++++++++++++++++.then(function(complete)+{
++++++++++++++++++++++console.log("complete:",+complete);
++++++++++++++++++++})
++++++++++++++}+else+{
++++++++++++++++if+(dir[0].size+==+0)+{
++++++++++++++++++throw+new+Error("could+not+process+'"+%2B+dir[0].name+%2B+"'+directory"
++++++++++++++++++++++++++++++++++%2B+"+at+drop+event+at+firefox,+upload+folders+at+'Choose+folder...'+input");
++++++++++++++++}
++++++++++++++}
++++++++++++}
++++++++++}).catch(function(err)+{
++++++++++++alert(err)
++++++++++})
++++++}

++++++//+do+webkit+stuff
++++++if+(event.type+===+"drop"+&&+event.target.webkitdirectory)+{
++++++++files+=+event.dataTransfer.items+%7C%7C+event.dataTransfer.files;
++++++}+else+if+(event.type+===+"change")+{
++++++++files+=+event.target.files;
++++++}

++++++if+(files)+{
++++++++processFiles(files)
++++++}

++++}
++++dropArea.addEventListener("dragover",+dragHandler);
++++dropArea.addEventListener("change",+filesDroped);
++++dropArea.addEventListener("drop",+filesDroped);
++</script>
</body>

</html>|code-block|syntax|javascript|1541107|plnkr+http://plnkr.co/edit/ff5vmuuIMzSapu6MiUJ3?p=preview|1541108|entityMap|0|LINK|mutability|MUTABLE|url|http://plnkr.co/edit/ff5vmuuIMzSapu6MiUJ3?p=preview^0|4|J|R|F|17|9|1K|6|1R|4|20|J|2W|P|3Q|O|4F|7|4R|P|0|6|4|J|9|X|4|12|1|14|4|1J|17|3K|9|5C|J|0|0|0|6|1F|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]|$9|11|A|12|B|C]|$9|13|A|14|B|C]|$9|15|A|16|B|C]|$9|17|A|18|B|C]|$9|19|A|1A|B|C]|$9|1B|A|1C|B|C]|$9|1D|A|1E|B|C]|$9|1F|A|1G|B|C]|$9|1H|A|1I|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1J|8|@$9|1K|A|1L|B|C]|$9|1M|A|1N|B|C]|$9|1O|A|1P|B|C]|$9|1Q|A|1R|B|C]|$9|1S|A|1T|B|C]|$9|1U|A|1V|B|C]|$9|1W|A|1X|B|C]|$9|1Y|A|1Z|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|20|8|@]|D|@]|E|$]]|$1|J|3|K|5|L|7|21|8|@]|D|@]|E|$M|N]]|$1|O|3|P|5|6|7|22|8|@]|D|@$9|23|A|24|1|25]]|E|$]]|$1|Q|3|-4|5|6|7|26|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]]]

<p>You can set <code>webkitdirectory</code> and <code>allowdirs</code> attributes at <code>&lt;input type="file"&gt;</code> element; attach <code>change</code>, <code>drop</code> events to <code>&lt;input type="file"&gt;</code> element; use <code>.getFilesAndDirectories()</code> at mozilla, <code>.createReader()</code>, <code>.readEntries()</code> at <code>webkit</code>, <code>Array.prototype.reduce()</code>, <code>Promise</code>, recursion.</p>

<p>Note at firefox <code>drop</code> event does not list selection as a <code>Directory</code>, but a <code>File</code> object having <code>size</code> <code>0</code>, thus dropping directory at firefox does not provide representation of dropped folder, even where <code>event.dataTransfer.getFilesAndDirectories()</code> is utilized. firefox also provides two input elements when <code>allowdirs</code> attribute is set; the first element allows single file uploads, the second element allows directory upload. chrome/chromium provide single <code>&lt;input type="file"&gt;</code> element where only single or multiple directories can be selected, not single file.</p>

<p>At directories containing both files and directories, directories are read first. </p>

<pre><code>&lt;!DOCTYPE html&gt;
&lt;html&gt;

&lt;head&gt;
  &lt;style type="text/css"&gt;
    input[type="file"] {
      width: 98%;
      height: 180px;
    }

    label[for="file"] {
      width: 98%;
      height: 180px;
    }

    .area {
      display: block;
      border: 5px dotted #ccc;
      text-align: center;
    }

    .area:after {
      display: block;
      border: none;
      white-space: pre;
      content: "Drop your files or folders here!\aOr click to select files folders";
      position: relative;
      left: 0%;
      top: -75px;
      text-align: center;
    }

    .drag {
      border: 5px dotted green;
      background-color: yellow;
    }

    #result ul {
      list-style: none;
      margin-top: 20px;
    }

    #result ul li {
      border-bottom: 1px solid #ccc;
      margin-bottom: 10px;
    }

    #result li span {
      font-weight: bold;
      color: navy;
    }
  &lt;/style&gt;
&lt;/head&gt;


&lt;body&gt;
  &lt;label id="dropArea" class="area"&gt;
    &lt;input id="file" type="file" directory allowdirs webkitdirectory/&gt;
  &lt;/label&gt;
  &lt;output id="result"&gt;
    &lt;ul&gt;&lt;/ul&gt;
  &lt;/output&gt;
  &lt;script&gt;
    var dropArea = document.getElementById("dropArea");
    var output = document.getElementById("result");
    var ul = output.querySelector("ul");

    function dragHandler(event) {
      event.stopPropagation();
      event.preventDefault();
      dropArea.className = "area drag";
    }

    function filesDroped(event) {
      var webkitResult = [];
      var mozResult = [];
      var files;
      console.log(event);
      event.stopPropagation();
      event.preventDefault();
      dropArea.className = "area";

      // do mozilla stuff
      // TODO adjust, call `listDirectory()`, `listFile()`
      function mozReadDirectories(entries, path) {
        console.log("dir", entries, path);
        return [].reduce.call(entries, function(promise, entry) {
            return promise.then(function() {
              return Promise.resolve(entry.getFilesAndDirectories() || entry)
                .then(function(dir) {
                  return dir
                })
            })
          }, Promise.resolve())
          .then(function(items) {
            var dir = items.filter(function(folder) {
              return folder instanceof Directory
            });
            var files = items.filter(function(file) {
              return file instanceof File
            });
            if (files.length) {
              // console.log("files:", files, path);
              files.forEach(function(file) {
                console.log(file)
              });
              mozResult = mozResult.concat.apply(mozResult, files);
            }
            if (dir.length) {
              // console.log(dir, dir[0] instanceof Directory);
              return mozReadDirectories(dir, dir[0].path || path);

            } else {
              if (!dir.length) {
                return Promise.resolve(mozResult).then(function(complete) {
                  return complete
                })
              }
            }

          })

      };

      function handleEntries(entry) {
        let file = "webkitGetAsEntry" in entry ? entry.webkitGetAsEntry() : entry
        return Promise.resolve(file);
      }

      function handleFile(entry) {
        return new Promise(function(resolve) {
          if (entry.isFile) {
            entry.file(function(file) {
              listFile(file, entry.fullPath).then(resolve)
            })
          } else if (entry.isDirectory) {
            var reader = entry.createReader();
            reader.readEntries(webkitReadDirectories.bind(null, entry, handleFile, resolve))
          } else {
            var entries = [entry];
            return entries.reduce(function(promise, file) {
                return promise.then(function() {
                  return listDirectory(file)
                })
              }, Promise.resolve())
              .then(function() {
                return Promise.all(entries.map(function(file) {
                  return listFile(file)
                })).then(resolve)
              })
          }
        })

        function webkitReadDirectories(entry, callback, resolve, entries) {
          console.log(entries);
          return listDirectory(entry).then(function(currentDirectory) {
            console.log(`iterating ${currentDirectory.name} directory`, entry);
            return entries.reduce(function(promise, directory) {
              return promise.then(function() {
                return callback(directory)
              });
            }, Promise.resolve())
          }).then(resolve);
        }

      }
      // TODO: handle mozilla directories, additional directories being selected dropped and listed without
      // creating nested list at `html` where different directory selected or dropped
      function listDirectory(entry) {
        console.log(entry);
        var path = (entry.fullPath || entry.webkitRelativePath.slice(0, entry.webkitRelativePath.lastIndexOf("/")));
        var cname = path.split("/").filter(Boolean).join("-");
        console.log("cname", cname)
        if (!document.getElementsByClassName(cname).length) {
          var directoryInfo = `&lt;li&gt;&lt;ul class=${cname}&gt;
                      &lt;li&gt;
                      &lt;span&gt;
                        Directory Name: ${entry.name}&lt;br&gt;
                        Path: ${path}
                        &lt;hr&gt;
                      &lt;/span&gt;
                      &lt;/li&gt;&lt;/ul&gt;&lt;/li&gt;`;
          var curr = document.getElementsByTagName("ul");
          var _ul = curr[curr.length - 1];
          var _li = _ul.querySelectorAll("li");
          if (!document.querySelector("[class*=" + cname + "]")) {
            if (_li.length) {
              _li[_li.length - 1].innerHTML += `${directoryInfo}`;
            } else {
              _ul.innerHTML += `${directoryInfo}`
            }
          } else {
            ul.innerHTML += `${directoryInfo}`
          }
        }
        return Promise.resolve(entry);
      }
       // TODO: handle mozilla files
      function listFile(file, path) {
        path = path || file.webkitRelativePath || "/" + file.name;
        var filesInfo = `&lt;li&gt;
                        Name: ${file.name}&lt;/br&gt; 
                        Size: ${file.size} bytes&lt;/br&gt; 
                        Type: ${file.type}&lt;/br&gt; 
                        Modified Date: ${file.lastModifiedDate}&lt;br&gt;
                        Full Path: ${path}
                      &lt;/li&gt;`;

        var currentPath = path.split("/").filter(Boolean);
        currentPath.pop();
        var appended = false;
        var curr = document.getElementsByClassName(`${currentPath.join("-")}`);
        if (curr.length) {
          for (li of curr[curr.length - 1].querySelectorAll("li")) {
            if (li.innerHTML.indexOf(path.slice(0, path.lastIndexOf("/"))) &gt; -1) {
              li.querySelector("span").insertAdjacentHTML("afterend", `${filesInfo}`);
              appended = true;
              break;
            }

          }
          if (!appended) {
            curr[curr.length - 1].innerHTML += `${filesInfo}`;
          }
        }
        console.log(`reading ${file.name}, size: ${file.size}, path:${path}`);
        webkitResult.push(file);
        return Promise.resolve(webkitResult)
      };

      function processFiles(files) {
        Promise.all([].map.call(files, function(file, index) {
            return handleEntries(file, index).then(handleFile)
          }))
          .then(function() {
            console.log("complete", webkitResult)
          })
          .catch(function(err) {
            alert(err.message);
          })
      }

      if ("getFilesAndDirectories" in event.target) {
        return (event.type === "drop" ? event.dataTransfer : event.target).getFilesAndDirectories()
          .then(function(dir) {
            if (dir[0] instanceof Directory) {
              console.log(dir)
              return mozReadDirectories(dir, dir[0].path || path)
                .then(function(complete) {
                  console.log("complete:", complete);
                  event.target.value = null;
                });
            } else {
              if (dir[0] instanceof File &amp;&amp; dir[0].size &gt; 0) {
              return Promise.resolve(dir)
                    .then(function(complete) {
                      console.log("complete:", complete);
                    })
              } else {
                if (dir[0].size == 0) {
                  throw new Error("could not process '" + dir[0].name + "' directory"
                                  + " at drop event at firefox, upload folders at 'Choose folder...' input");
                }
              }
            }
          }).catch(function(err) {
            alert(err)
          })
      }

      // do webkit stuff
      if (event.type === "drop" &amp;&amp; event.target.webkitdirectory) {
        files = event.dataTransfer.items || event.dataTransfer.files;
      } else if (event.type === "change") {
        files = event.target.files;
      }

      if (files) {
        processFiles(files)
      }

    }
    dropArea.addEventListener("dragover", dragHandler);
    dropArea.addEventListener("change", filesDroped);
    dropArea.addEventListener("drop", filesDroped);
  &lt;/script&gt;
&lt;/body&gt;

&lt;/html&gt;
</code></pre>

<p>plnkr <a href="http://plnkr.co/edit/ff5vmuuIMzSapu6MiUJ3?p=preview" rel="noreferrer">http://plnkr.co/edit/ff5vmuuIMzSapu6MiUJ3?p=preview</a></p>


<p>Both mozilla and webkit browsers now allow directory upload. When directory or directories are selected at <code>&lt;input type="file"&gt;</code> element or dropped at an element, how to list all directories and files in the order which they appear in actual directory at both firefox and chrome/chromium, and perform tasks on files when all uploaded directories have been iterated?</p>


How to upload and list directories at firefox and chrome/chromium using change and drop events

5位重磅专家聚焦 AI 时代开发者核心成长需求，带你深入解锁全栈进化、人机协作关键路径！点击报名到场：<a href="https://cloud.tencent.com/developer/salon/salon-2403/signup" target="_blank">https://cloud.tencent.com/developer/salon/salon-2403/signup</a><br/> 
 <img src="https://qcloudimg.tencent-cloud.cn/raw/487c82639d2338df3ef66dfb1450601a.png"/>

腾讯技术创作特训营「年度论坛」正在报名中！

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

文章

问答

视频

学习中心

腾讯云实验室

直播

竞赛

腾讯云代码分析专区

腾讯iOA零信任安全管理系统专区

腾讯云架构师技术同盟交流圈

腾讯云数据库专区

腾讯云智能顾问专区

腾讯云原生专区

腾讯混元专区

腾讯云TCE专区

腾讯云Lighthouse专区

腾讯云HAI专区

腾讯云Edgeone专区

腾讯云存储专区

腾讯云智能专区

腾讯轻联专区 

腾讯云开发专区

TAPD专区

腾讯轻量云游戏服专区

腾讯云最具价值专家

腾讯云架构师技术同盟

腾讯云创作之星

腾讯云开发者先锋

腾讯云代码助手

云原生构建

TAPD 敏捷项目管理

Cloud Studio

SDK中心

API中心

命令行工具

涵盖代码开发、场景应用、自动测试全流程，助你从零构建专属AI助手

一站式MCP教程库，解锁AI应用新玩法

聚焦“写作效率、视觉美观与运行性能”三方面进行全面升级，为您提供更高效、稳定的创作环境

社区富文本&Markdown编辑器全新改版上线，欢迎大家体验!

诚挚邀请您参与本次调研，分享您的真实使用感受与建议。您的反馈至关重要，感谢您的支持与参与！

社区新版编辑器体验调研

mozilla和webkit浏览器现在都允许目录上传。当一个或多个目录在<input type="file">元素中被选中或被拖放到一个元素中时，如何按照它们在实际目录中出现的顺序列出所有目录和文件，并在迭代所有上传的目录时对文件执行任务？

问如何使用change和drop事件在firefox和chrome/ to上载和列出目录
EN

社区

活动

圈层

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问如何使用change和drop事件在firefox和chrome/ to上载和列出目录EN

社区

活动

圈层

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问如何使用change和drop事件在firefox和chrome/ to上载和列出目录
EN