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index.html
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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Telegraph图床</title>
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://cdn.jsdelivr.net/npm/alpinejs@2.3.0/dist/alpine.js"
integrity="sha512-nIwdJlD5/vHj23CbO2iHCXtsqzdTTx3e3uAmpTm4x2Y8xCIFyWu4cSIV8GaGe2UNVq86/1h9EgUZy7tn243qdA=="
crossorigin="anonymous" referrerpolicy="no-referrer"></script>
</head>
<body class="bg-gray-100 min-h-screen flex items-center justify-center p-4" x-data="imageUploader()">
<div class="bg-white p-8 rounded-lg shadow-md w-full max-w-4xl">
<h1 class="text-2xl font-bold mb-6 text-center text-gray-800">Telegraph图床</h1>
<div class="border-dashed border-2 border-gray-400 rounded-lg p-8 text-center cursor-pointer hover:border-blue-500 transition duration-300"
@click="$refs.fileInput.click()" @dragover.prevent="dragover = true" @dragleave.prevent="dragover = false"
@drop.prevent="handleDrop" @paste.prevent="handlePaste" :class="{'border-blue-500': dragover}">
<input type="file" class="hidden" x-ref="fileInput" @change="handleFileSelect" multiple accept="image/*">
<p class="text-gray-600">点击、拖拽或粘贴图片上传。</p>
</div>
<div class="mt-6" x-show="images.length > 0">
<h2 class="text-lg font-semibold mb-2 text-gray-700">上传列表</h2>
<ul class="space-y-2">
<template x-for="(image, index) in images" :key="index">
<li class="flex items-center justify-between bg-gray-50 p-2 rounded">
<div class="flex items-center">
<img :src="image.preview" alt="预览" class="w-10 h-10 object-cover mr-2 rounded">
<span x-text="image.name" class="text-sm text-gray-600 truncate"></span>
</div>
<span x-text="image.status" class="text-sm" :class="{
'text-yellow-500': image.status === '等待中',
'text-blue-500': image.status === '上传中',
'text-green-500': image.status === '已完成',
'text-red-500': image.status === '失败'
}"></span>
</li>
</template>
</ul>
</div>
<div class="mt-6 flex justify-between">
<button @click="uploadImages"
class="bg-blue-500 text-white px-4 py-2 rounded hover:bg-blue-600 transition duration-300"
:disabled="images.length === 0" :class="{'opacity-50 cursor-not-allowed': images.length === 0}">
上传图片
</button>
<button @click="clearImages"
class="bg-red-500 text-white px-4 py-2 rounded hover:bg-red-600 transition duration-300"
:disabled="images.length === 0" :class="{'opacity-50 cursor-not-allowed': images.length === 0}">
清空列表
</button>
</div>
<div class="mt-6" x-show="uploadedUrls.length > 0">
<div class="flex justify-between items-center mb-2">
<h2 class="text-lg font-semibold text-gray-700">上传结果</h2>
<button @click="copyAllUrls" class="text-sm text-blue-500 hover:text-blue-700">
复制全部
</button>
</div>
<ul class="space-y-2">
<template x-for="(result, index) in uploadedUrls" :key="index">
<li class="flex items-center justify-between bg-gray-50 p-2 rounded">
<div class="flex items-center flex-grow mr-2">
<img :src="result.preview" alt="预览" class="w-10 h-10 object-cover mr-2 rounded">
<a :href="result.url" target="_blank" class="text-sm text-blue-500 hover:underline truncate"
x-text="result.url"></a>
</div>
<button @click="copyToClipboard(result.url, $event)"
class="text-sm text-gray-500 hover:text-gray-700 whitespace-nowrap">
复制
</button>
</li>
</template>
</ul>
</div>
</div>
<script>
function imageUploader() {
return {
images: [],
uploadedUrls: [],
dragover: false,
handleDrop(e) {
this.dragover = false;
this.addFiles(e.dataTransfer.files);
},
handleFileSelect(e) {
this.addFiles(e.target.files);
},
handlePaste(e) {
const items = e.clipboardData.items;
for (let item of items) {
if (item.type.indexOf('image') !== -1) {
const blob = item.getAsFile();
this.addFiles([blob]);
}
}
},
addFiles(files) {
for (let file of files) {
if (file.type.startsWith('image/')) {
const reader = new FileReader();
reader.onload = (e) => {
this.images.push({
file: file,
name: file.name || 'pasted-image.png',
status: '等待中',
preview: e.target.result
});
};
reader.readAsDataURL(file);
}
}
},
uploadImages() {
const maxConcurrent = 2;
let inProgress = 0;
let index = 0;
const uploadNext = () => {
if (index >= this.images.length) return;
if (inProgress >= maxConcurrent) return;
const image = this.images[index];
if (image.status !== '等待中') {
index++;
uploadNext();
return;
}
inProgress++;
image.status = '上传中';
const formData = new FormData();
formData.append('file', image.file, 'blob');
fetch('./upload', {
method: 'POST',
headers: {
'Accept': 'application/json, text/javascript, */*; q=0.01',
'X-Requested-With': 'XMLHttpRequest'
},
body: formData
})
.then(response => response.json())
.then(data => {
image.status = '已完成';
if (data && data[0] && data[0].src) {
const fullUrl = new URL(data[0].src, window.location.href).href;
this.uploadedUrls.push({
url: fullUrl,
preview: image.preview
});
} else {
throw new Error('Invalid response format');
}
})
.catch(error => {
console.error('Upload failed:', error);
image.status = '失败';
})
.finally(() => {
inProgress--;
index++;
uploadNext();
});
uploadNext();
};
for (let i = 0; i < maxConcurrent; i++) {
uploadNext();
}
},
clearImages() {
this.images = [];
this.uploadedUrls = [];
},
copyToClipboard(text, event) {
navigator.clipboard.writeText(text).then(() => {
const button = event.target;
const originalText = button.textContent;
button.textContent = '已复制';
}).catch(err => {
console.error('复制失败:', err);
});
},
copyAllUrls(event) {
const allUrls = this.uploadedUrls.map(result => result.url).join('\n');
navigator.clipboard.writeText(allUrls).then(() => {
this.copyAllButtonText = '已复制全部';
}).catch(err => {
console.error('复制失败:', err);
});
}
}
}
</script>
</body>
</html>