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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,48 +1,44 @@ | ||
| let dropFrame = document.getElementById('dropzone'); | ||
| let fileInput = document.getElementById('fileInput'); | ||
|
|
||
| dropFrame.addEventListener('dragover', (e) => { | ||
| e.stopPropagation(); | ||
| e.preventDefault(); | ||
| fileInput.addEventListener('change', function () { | ||
| if (this.files.length > 0) { | ||
| fileName.textContent = this.files[0].name; | ||
| // 改变字体大小 | ||
| fileName.style.fontSize = '20px'; | ||
| } else { | ||
| fileName.textContent = '拖拽或点击上传文件'; | ||
| } | ||
| }); | ||
|
|
||
| dropFrame.addEventListener('drop', (e) => { | ||
| e.stopPropagation(); | ||
| e.preventDefault(); | ||
|
|
||
| let items = e.dataTransfer.items; | ||
| let dt = new DataTransfer(); | ||
|
|
||
| for (const item of items) { | ||
| const entry = item.webkitGetAsEntry(); | ||
|
|
||
| if (entry.isFile) { | ||
| entry.file((file) => { | ||
| dt.items.add(file); | ||
| }) | ||
|
|
||
| } else { | ||
| const reader = entry.createReader() | ||
| reader.readEntries((entries) => { | ||
| reHandleFile(entries, dt) | ||
| }) | ||
| } | ||
| dropzone.onclick = () => fileInput.click(); | ||
| dropzone.ondragover = event => { | ||
| event.preventDefault(); | ||
| dropzone.style.backgroundColor = 'lightgray'; | ||
| }; | ||
| dropzone.ondragleave = () => dropzone.style.backgroundColor = 'white'; | ||
| dropzone.ondrop = event => { | ||
| event.preventDefault(); | ||
| fileInput.files = event.dataTransfer.files; | ||
| dropzone.style.backgroundColor = 'white'; | ||
| var event = new Event('change'); | ||
| fileInput.dispatchEvent(event); | ||
| }; | ||
|
|
||
| if (targetIdInput.value.length !== 4) { | ||
| connectButton.style.backgroundColor = 'gray'; | ||
| connectButton.disabled = true; | ||
| connectButton.style.cursor = 'not-allowed'; | ||
| } | ||
|
|
||
| // 当targetIdInput的值改变时，去除connectButton的行内样式，并去除disabled属性 | ||
| targetIdInput.addEventListener('input', () => { | ||
| connectButton.removeAttribute('style'); | ||
| connectButton.removeAttribute('disabled'); | ||
| connectButton.style.cursor = 'pointer'; | ||
| if (targetIdInput.value.length !== 4) { | ||
| connectButton.style.backgroundColor = 'gray'; | ||
| connectButton.disabled = true; | ||
| connectButton.style.cursor = 'not-allowed'; | ||
| } | ||
|
|
||
| fileInput.files = dt.files; | ||
| }); | ||
|
|
||
| const reHandleFile = (entries, dt) => { | ||
| for (const entry of entries) { | ||
| if (entry.isFile) { | ||
| entry.file((file) => { | ||
| dt.items.add(file); | ||
| }) | ||
| } else { | ||
| const reader = entry.createReader() | ||
| reader.readEntries((entries) => { | ||
| reHandleFile(entries, dt) | ||
| }) | ||
| } | ||
| } | ||
| } | ||
| // download 隐藏 | ||
| download.style.display = 'none'; |