{"id":3461,"date":"2024-03-14T08:39:11","date_gmt":"2024-03-14T00:39:11","guid":{"rendered":"http:\/\/www.yuguoxy.com\/geekhome\/?p=3461"},"modified":"2026-08-16T16:13:30","modified_gmt":"2026-08-16T08:13:30","slug":"%e5%89%8d%e7%ab%af%e6%96%87%e4%bb%b6%e6%b5%81%e3%80%81%e5%88%87%e7%89%87%e4%b8%8b%e8%bd%bd%e5%92%8c%e4%b8%8a%e4%bc%a0%ef%bc%9a%e4%bc%98%e5%8c%96%e6%96%87%e4%bb%b6%e4%bc%a0%e8%be%93%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=3461","title":{"rendered":"\u524d\u7aef\u6587\u4ef6\u6d41\u3001\u5207\u7247\u4e0b\u8f7d\u548c\u4e0a\u4f20\uff1a\u4f18\u5316\u6587\u4ef6\u4f20\u8f93\u6548\u7387\u4e0e\u7528\u6237\u4f53\u9a8c"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"2267\" height=\"1631\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-30-51.png\" alt=\"\" class=\"wp-image-3464\" srcset=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-30-51.png 2267w, https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-30-51-140x100.png 140w, https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-30-51-768x553.png 768w, https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-30-51-1536x1105.png 1536w, https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-30-51-2048x1473.png 2048w\" sizes=\"(max-width: 2267px) 100vw, 2267px\" \/><\/figure>\n\n\n\n<p>\u672c\u6587\u6b63\u5728\u53c2\u52a02023\u5e74\u7ec8\u4f5c\u8005\u6253\u699c\uff0c\u8def\u8fc7\u7684\u670b\u53cb\u8f9b\u82e6<a rel=\"noreferrer noopener\" href=\"https:\/\/activity.juejin.cn\/rank\/2023\/writer\/2955079655907879?utm_campaign=annual_2023&amp;utm_medium=self_web_share&amp;utm_source=%E7%8B%97%E5%A4%B4%E5%A4%A7%E5%86%9B%E4%B9%8B%E6%B1%9F%E8%8B%8F%E5%88%86%E5%86%9B\" target=\"_blank\">\u968f\u4fbf\u70b9\u70b9<\/a>\u54af<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>\u6587\u4ef6\u4f20\u8f93\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\u3002\u5bf9\u4e8e\u5927\u6587\u4ef6\u7684\u4e0b\u8f7d\u548c\u4e0a\u4f20\uff0c\u76f4\u63a5\u4f7f\u7528\u4f20\u7edf\u7684\u65b9\u5f0f\u53ef\u80fd\u4f1a\u9047\u5230\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u65b9\u9762\u7684\u95ee\u9898\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u524d\u7aef\u6280\u672f\u63d0\u4f9b\u4e86\u4e00\u4e9b\u9ad8\u6548\u7684\u89e3\u51b3\u65b9\u6848\uff1a\u6587\u4ef6\u6d41\u64cd\u4f5c\u548c\u5207\u7247\u4e0b\u8f7d\u4e0e\u4e0a\u4f20\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u8fd9\u4e9b\u6280\u672f\uff0c\u5e2e\u52a9\u4f60\u7406\u89e3\u5b83\u4eec\u7684\u539f\u7406\u548c\u5b9e\u73b0\u65b9\u6cd5\uff0c\u4ee5\u4f18\u5316\u6587\u4ef6\u4f20\u8f93\u6548\u7387\u548c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u524d\u7aef\u6587\u4ef6\u6d41\u64cd\u4f5c<\/h2>\n\n\n\n<p>\u5728\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u6587\u4ef6\u6d41\u64cd\u4f5c\u662f\u6307\u901a\u8fc7\u6570\u636e\u6d41\u7684\u65b9\u5f0f\u5904\u7406\u6587\u4ef6\uff0c\u5bf9\u6587\u4ef6\u8fdb\u884c<code>\u8bfb\u53d6<\/code>\u3001<code>\u5199\u5165<\/code>\u548c<code>\u5c55\u793a<\/code>\u7b49\u64cd\u4f5c\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u524d\u7aef\u6587\u4ef6\u6d41\u64cd\u4f5c\u7684\u51e0\u4e2a\u57fa\u672c\u6982\u5ff5\u548c\u6280\u672f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6570\u636e\u6d41\u548c\u6587\u4ef6\u5904\u7406\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n\n\n\n<p>\u6570\u636e\u6d41\u662f\u6307\u8fde<code>\u7eed\u7684\u6570\u636e\u5e8f\u5217<\/code>\uff0c\u53ef\u4ee5\u4ece\u4e00\u4e2a\u6e90\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u76ee\u7684\u5730\u3002\u5728\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u6587\u4ef6\u53ef\u4ee5\u88ab\u770b\u4f5c\u6570\u636e\u6d41\u7684\u4e00\u79cd\u5f62\u5f0f\uff0c\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u6d41\u7684\u65b9\u5f0f\u8fdb\u884c\u5904\u7406\u3002 \u6587\u4ef6\u5904\u7406\u6d89\u53ca\u8bfb\u53d6\u548c\u5199\u5165\u6587\u4ef6\u7684\u64cd\u4f5c\uff0c\u5305\u62ec\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\u3001\u5199\u5165\u6570\u636e\u5230\u6587\u4ef6\uff0c\u4ee5\u53ca\u5bf9\u6587\u4ef6\u8fdb\u884c\u5220\u9664\u3001\u91cd\u547d\u540d\u7b49\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Blob \u5bf9\u8c61\u548c ArrayBuffer\uff1a\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e<\/h3>\n\n\n\n<p>\u5728\u524d\u7aef\u5904\u7406\u6587\u4ef6\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e\u3002<code>Blob<\/code>\uff08Binary Large Object\uff09\u5bf9\u8c61\u662f\u7528\u6765\u8868\u793a\u4e8c\u8fdb\u5236\u6570\u636e\u7684\u4e00\u4e2a\u63a5\u53e3\uff0c\u53ef\u4ee5\u5b58\u50a8\u5927\u91cf\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u3002Blob \u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u51fd\u6570\u8fdb\u884c\u521b\u5efa\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6 API \u751f\u6210\uff0c\u4f8b\u5982\u901a\u8fc7 FormData \u5bf9\u8c61\u83b7\u53d6\u4e0a\u4f20\u7684\u6587\u4ef6\u3002 \u800c ArrayBuffer \u662f JavaScript \u4e2d\u7684\u4e00\u4e2a\u5bf9\u8c61\u7c7b\u578b\uff0c\u7528\u4e8e\u8868\u793a\u4e00\u4e2a\u901a\u7528\u7684\u3001\u56fa\u5b9a\u957f\u5ea6\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u7f13\u51b2\u533a\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 <code>ArrayBuffer<\/code> \u6765\u64cd\u4f5c\u548c\u5904\u7406\u6587\u4ef6\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u3002 <strong>\u4ee3\u7801\u5982\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>import React, { useState } from 'react';\n\nfunction FileInput() {\n  const [fileContent, setFileContent] = useState('');\n\n  \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5230ArrayBuffer\n  function readFileToArrayBuffer(file) {\n    return new Promise((resolve, reject) =&gt; {\n      const reader = new FileReader();\n\n      \/\/ \u6ce8\u518c\u6587\u4ef6\u8bfb\u53d6\u5b8c\u6210\u540e\u7684\u56de\u8c03\u51fd\u6570\n      reader.onload = function(event) {\n        const arrayBuffer = event.target.result;\n        resolve(arrayBuffer);\n      };\n\n      \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5230ArrayBuffer\n      reader.readAsArrayBuffer(file);\n    });\n  }\n\n  \/\/ \u5c06ArrayBuffer\u8f6c\u4e3a\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\n  function arrayBufferToHexString(arrayBuffer) {\n    const uint8Array = new Uint8Array(arrayBuffer);\n    let hexString = '';\n    for (let i = 0; i &lt; uint8Array.length; i++) {\n      const hex = uint8Array[i].toString(16).padStart(2, '0');\n      hexString += hex;\n    }\n    return hexString;\n  }\n\n  \/\/ \u5904\u7406\u6587\u4ef6\u9009\u62e9\u4e8b\u4ef6\n  function handleFileChange(event) {\n    const file = event.target.files[0];  \/\/ \u83b7\u53d6\u9009\u4e2d\u7684\u6587\u4ef6\n\n    if (file) {\n      readFileToArrayBuffer(file)\n        .then(arrayBuffer =&gt; {\n          const hexString = arrayBufferToHexString(arrayBuffer);\n          setFileContent(hexString);\n        })\n        .catch(error =&gt; {\n          console.error('\u6587\u4ef6\u8bfb\u53d6\u5931\u8d25:', error);\n        });\n    } else {\n      setFileContent('\u8bf7\u9009\u62e9\u4e00\u4e2a\u6587\u4ef6');\n    }\n  }\n\n  return (\n    &lt;div&gt;\n      &lt;input type=\"file\" onChange={handleFileChange} \/&gt;\n      &lt;div&gt;\n        &lt;h4&gt;\u6587\u4ef6\u5185\u5bb9\uff1a&lt;\/h4&gt;\n        &lt;pre&gt;{fileContent}&lt;\/pre&gt;\n      &lt;\/div&gt;\n    &lt;\/div&gt;\n  );\n}\n\nexport default FileInput;\n\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u9762\u4ee3\u7801\u91cc\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a <code>FileInput<\/code> \u7684\u51fd\u6570\u5f0f\u7ec4\u4ef6\u3002\u8be5\u7ec4\u4ef6\u5305\u542b\u4e00\u4e2a\u6587\u4ef6\u9009\u62e9\u6846\u548c\u4e00\u4e2a\u7528\u4e8e\u663e\u793a\u6587\u4ef6\u5185\u5bb9\u7684 <code>&lt;pre&gt;<\/code> \u5143\u7d20\u3002\u5f53\u7528\u6237\u9009\u62e9\u6587\u4ef6\u65f6\uff0c\u901a\u8fc7 <code>FileReader<\/code> \u5c06\u6587\u4ef6\u5185\u5bb9\u8bfb\u53d6\u4e3a <code>ArrayBuffer<\/code>\uff0c\u7136\u540e\u5c06 <code>ArrayBuffer<\/code> \u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff0c\u5e76\u5c06\u7ed3\u679c\u663e\u793a\u5728\u9875\u9762\u4e0a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528 FileReader \u8fdb\u884c\u6587\u4ef6\u8bfb\u53d6<\/h3>\n\n\n\n<p><code>FileReader<\/code> \u662f\u524d\u7aef\u6d4f\u89c8\u5668\u63d0\u4f9b\u7684\u4e00\u4e2a API\uff0c\u7528\u4e8e\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u901a\u8fc7 FileReader\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5f02\u6b65\u65b9\u5f0f\u8bfb\u53d6\u6587\u4ef6\uff0c\u5e76\u5c06\u6587\u4ef6\u5185\u5bb9\u8f6c\u6362\u4e3a\u53ef\u7528\u7684\u6570\u636e\u5f62\u5f0f\uff0c\u6bd4\u5982\u6587\u672c\u6570\u636e\u6216\u4e8c\u8fdb\u5236\u6570\u636e\u3002 FileReader \u63d0\u4f9b\u4e86\u4e00\u4e9b\u8bfb\u53d6\u6587\u4ef6\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982 <code>readAsText()\u3001readAsArrayBuffer()<\/code> \u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c06\u6587\u4ef6\u6d41\u5c55\u793a\u5728\u524d\u7aef\u9875\u9762\u4e2d<\/h3>\n\n\n\n<p>\u4e00\u65e6\u6211\u4eec\u6210\u529f\u5730\u8bfb\u53d6\u4e86\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u5c31\u53ef\u4ee5\u5c06\u6587\u4ef6\u6d41\u5c55\u793a\u5728\u524d\u7aef\u9875\u9762\u4e0a\u3002\u5177\u4f53\u7684\u5c55\u793a\u65b9\u5f0f\u53d6\u51b3\u4e8e\u6587\u4ef6\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u6587\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u76f4\u63a5\u5c06\u5176\u5185\u5bb9\u663e\u793a\u5728\u9875\u9762\u7684\u6587\u672c\u6846\u6216\u533a\u57df\u4e2d\uff1b\u5bf9\u4e8e\u56fe\u7247\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>&lt;img&gt;<\/code> \u6807\u7b7e\u5c55\u793a\u56fe\u7247\uff1b\u5bf9\u4e8e\u97f3\u89c6\u9891\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>&lt;video&gt;<\/code> \u6216 <code>&lt;audio&gt;<\/code> \u6807\u7b7e\u6765\u64ad\u653e\u3002 \u901a\u8fc7\u5c06\u6587\u4ef6\u6d41\u5c55\u793a\u5728\u524d\u7aef\u9875\u9762\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5728\u7ebf\u9884\u89c8\u548c\u67e5\u770b\u6587\u4ef6\u5185\u5bb9\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u597d\u7684\uff0c\u8fd9\u4e00\u90e8\u5206\u5c31\u57fa\u672c\u4ecb\u7ecd\u5b8c\u6bd5\uff0c\u603b\u7ed3\u4e00\u4e0b\u3002\u524d\u7aef\u6587\u4ef6\u64cd\u4f5c\u6d41\u662f\u5904\u7406<code>\u5927\u578b\u6587\u4ef6<\/code>\u7684\u4e00\u79cd\u5e38\u89c1\u65b9\u5f0f\uff0c\u4ed6\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u6d41\u7684\u65b9\u5f0f\u5bf9\u6587\u4ef6\u8fdb\u884c\u64cd\u4f5c\u3002<code>Blob<\/code>\u5bf9\u8c61 \u548c <code>ArrayBuffer<\/code>\u662f\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e\u7684\u91cd\u8981\u5de5\u5177\u3002\u800c<code>FileReader<\/code>\u5219\u662f\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u7684\u7684\u5173\u952e\u7ec4\u4ef6\u3002\u901a\u8fc7\u8fd9\u4e9b\u6280\u672f\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u7684\u5728\u524d\u7aef\u9875\u9762\u4e0a\u8fdb\u884c\u64cd\u4f5c\u6216\u8005\u6587\u4ef6\u5c55\u793a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6587\u4ef6\u5207\u7247\u4e0b\u8f7d<\/h2>\n\n\n\n<p>\u8fd9\u4e00\u6b65\u5c31\u8fdb\u5165\u5230\u6211\u4eec\u4eca\u5929\u6587\u7ae0\u4e3b\u9898\u4e86\uff0c\u5148\u6765\u4e3b\u8981\u7684\u770b\u4e0b\u6d41\u7a0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1394\" height=\"301\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-36-25.png\" alt=\"\" class=\"wp-image-3463\" srcset=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-36-25.png 1394w, https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-36-25-768x166.png 768w\" sizes=\"(max-width: 1394px) 100vw, 1394px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f20\u7edf\u6587\u4ef6\u4e0b\u8f7d\u7684\u6027\u80fd\u95ee\u9898<\/h3>\n\n\n\n<p>\u6587\u4ef6\u5207\u7247\u4e0b\u8f7d\u662f\u4e00\u79cd\u63d0\u5347\u6587\u4ef6\u4e0b\u8f7d\u6548\u7387\u7684\u6280\u672f\uff0c\u901a\u8fc7\u5c06\u5927\u6587\u4ef6\u5206\u5272\u6210\u591a\u4e2a\u5c0f\u7247\u6bb5\uff08\u5207\u7247\uff09\uff0c\u5e76\u4f7f\u7528\u591a\u4e2a\u5e76\u53d1\u8bf7\u6c42\u540c\u65f6\u4e0b\u8f7d\u8fd9\u4e9b\u5207\u7247\uff0c\u4ece\u800c\u52a0\u5feb\u6574\u4f53\u4e0b\u8f7d\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u4f20\u7edf\u7684\u6587\u4ef6\u4e0b\u8f7d\u65b9\u5f0f\u5bf9\u4e8e\u5927\u6587\u4ef6\u6765\u8bf4\u5b58\u5728\u6027\u80fd\u95ee\u9898\u3002\u5f53\u7528\u6237\u8bf7\u6c42\u4e0b\u8f7d\u4e00\u4e2a\u5927\u6587\u4ef6\u65f6\uff0c\u670d\u52a1\u5668\u9700\u8981\u5c06\u6574\u4e2a\u6587\u4ef6\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002\u8fd9\u4f1a\u5bfc\u81f4\u4ee5\u4e0b\u51e0\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<ol>\n<li>\u8f83\u957f\u7684\u7b49\u5f85\u65f6\u95f4\uff1a\u5927\u6587\u4ef6\u9700\u8981\u8f83\u957f\u7684\u65f6\u95f4\u6765\u4f20\u8f93\u5230\u5ba2\u6237\u7aef\uff0c\u7528\u6237\u9700\u8981\u7b49\u5f85\u5f88\u957f\u65f6\u95f4\u624d\u80fd\u5f00\u59cb\u4f7f\u7528\u6587\u4ef6\u3002<\/li>\n\n\n\n<li>\u7f51\u7edc\u963b\u585e\uff1a\u7531\u4e8e\u4e0b\u8f7d\u8fc7\u7a0b\u4e2d\u5360\u7528\u4e86\u7f51\u7edc\u5e26\u5bbd\uff0c\u5176\u4ed6\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u4e0b\u8f7d\u901f\u5ea6\u6162\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u65ad\u70b9\u7eed\u4f20\u56f0\u96be\uff1a\u5982\u679c\u4e0b\u8f7d\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7f51\u7edc\u6545\u969c\u6216\u8005\u7528\u6237\u4e2d\u65ad\u4e0b\u8f7d\uff0c\u9700\u8981\u91cd\u65b0\u4e0b\u8f7d\u6574\u4e2a\u6587\u4ef6\uff0c\u65e0\u6cd5\u7ee7\u7eed\u4e4b\u524d\u7684\u4e0b\u8f7d\u8fdb\u5ea6\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5229\u7528\u6587\u4ef6\u5207\u7247\u63d0\u5347\u4e0b\u8f7d\u6548\u7387<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"2257\" height=\"1669\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-33-58.png\" alt=\"\" class=\"wp-image-3462\" srcset=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-33-58.png 2257w, https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-33-58-768x568.png 768w, https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-33-58-1536x1136.png 1536w, https:\/\/ai.zhousir.top\/wp-content\/uploads\/2024\/03\/Snipaste_2024-03-14_08-33-58-2048x1514.png 2048w\" sizes=\"(max-width: 2257px) 100vw, 2257px\" \/><\/figure>\n\n\n\n<p>\u6587\u4ef6\u5207\u7247\u4e0b\u8f7d\u901a\u8fc7\u5c06\u6587\u4ef6\u5206\u5272\u6210\u591a\u4e2a\u5c0f\u7247\u6bb5\uff0c\u6bcf\u4e2a\u7247\u6bb5\u5927\u5c0f\u901a\u5e38\u5728\u51e0\u767eKB\u5230\u51e0MB\u4e4b\u95f4\u3002\u7136\u540e\u5ba2\u6237\u7aef\u901a\u8fc7\u591a\u4e2a\u5e76\u53d1\u8bf7\u6c42\u540c\u65f6\u4e0b\u8f7d\u8fd9\u4e9b\u7247\u6bb5\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\uff1a<\/p>\n\n\n\n<ol>\n<li>\u5feb\u901f\u542f\u52a8\uff1a\u5ba2\u6237\u7aef\u53ef\u4ee5\u5feb\u901f\u5f00\u59cb\u4e0b\u8f7d\uff0c\u56e0\u4e3a\u53ea\u9700\u8981\u4e0b\u8f7d\u7b2c\u4e00\u4e2a\u5207\u7247\u5373\u53ef\u3002<\/li>\n\n\n\n<li>\u5e76\u53d1\u4e0b\u8f7d\uff1a\u901a\u8fc7\u4f7f\u7528\u591a\u4e2a\u5e76\u53d1\u8bf7\u6c42\u4e0b\u8f7d\u5207\u7247\uff0c\u53ef\u4ee5\u5145\u5206\u5229\u7528\u5e26\u5bbd\uff0c\u5e76\u63d0\u9ad8\u6574\u4f53\u4e0b\u8f7d\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u65ad\u70b9\u7eed\u4f20\uff1a\u5982\u679c\u4e0b\u8f7d\u4e2d\u65ad\uff0c\u5ba2\u6237\u7aef\u53ea\u9700\u8981\u91cd\u65b0\u4e0b\u8f7d\u4e2d\u65ad\u7684\u5207\u7247\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u4e0b\u8f7d\u6574\u4e2a\u6587\u4ef6\u3002 <strong>\u5207\u7247\u4e0a\u4f20\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code><code>const &#91;selectedFile, setSelectedFile] = useState(null); \nconst &#91;progress, setProgress] = useState(0);\n \/\/ \u5904\u7406\u6587\u4ef6\u9009\u62e9\u4e8b\u4ef6\n function handleFileChange(event) {\n   setSelectedFile(event.target.files&#91;0]);\n }\n\n \/\/ \u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u4e8b\u4ef6\n function handleFileUpload() {\n   if (selectedFile) {\n     \/\/ \u8ba1\u7b97\u5207\u7247\u6570\u91cf\u548c\u6bcf\u4e2a\u5207\u7247\u7684\u5927\u5c0f\n     const fileSize = selectedFile.size;\n     const chunkSize = 1024 * 1024; \/\/ \u8bbe\u7f6e\u5207\u7247\u5927\u5c0f\u4e3a1MB\n     const totalChunks = Math.ceil(fileSize \/ chunkSize);\n\n     \/\/ \u521b\u5efaFormData\u5bf9\u8c61\uff0c\u5e76\u6dfb\u52a0\u6587\u4ef6\u4fe1\u606f\n     const formData = new FormData();\n     formData.append('file', selectedFile);\n     formData.append('totalChunks', totalChunks);\n\n     \/\/ \u5faa\u73af\u4e0a\u4f20\u5207\u7247\n     for (let chunkNumber = 0; chunkNumber &lt; totalChunks; chunkNumber++) {\n       const start = chunkNumber * chunkSize;\n       const end = Math.min(start + chunkSize, fileSize);\n       const chunk = selectedFile.slice(start, end);\n       formData.append(`chunk-${chunkNumber}`, chunk, selectedFile.name);\n     }\n\n     \/\/ \u53d1\u8d77\u6587\u4ef6\u4e0a\u4f20\u8bf7\u6c42\n     axios.post('\/upload', formData, {\n       onUploadProgress: progressEvent =&gt; {\n         const progress = Math.round((progressEvent.loaded \/ progressEvent.total) * 100);\n         setProgress(progress);\n       }\n     })\n       .then(response =&gt; {\n         console.log('\u6587\u4ef6\u4e0a\u4f20\u6210\u529f:', response.data);\n       })\n       .catch(error =&gt; {\n         console.error('\u6587\u4ef6\u4e0a\u4f20\u5931\u8d25:', error);\n       });\n   }\n }\n\n\n<\/code><\/code><\/pre>\n\n\n\n<p>\u5f53\u6d89\u53ca\u5230\u5207\u7247\u4e0a\u4f20\u548c\u4e0b\u8f7d\u65f6\uff0c\u524d\u7aef\u4f7f\u7528\u7684\u6280\u672f\u901a\u5e38\u662f\u57fa\u4e8e\u524d\u7aef\u5e93\u6216\u6846\u67b6\u63d0\u4f9b\u7684\u6587\u4ef6\u5904\u7406\u529f\u80fd\uff0c\u7ed3\u5408\u540e\u7aef\u670d\u52a1\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>\u4e0a\u9762\u4ee3\u7801\u91cc\u6211\u4eec\u63d0\u5230\u4e86\u6587\u4ef6\u5982\u4f55\u5207\u7247\u4e0a\u4f20\u3002<\/p>\n\n\n\n<ul>\n<li>\u5f53\u7528\u6237\u9009\u62e9\u6587\u4ef6\u540e\uff0c\u901a\u8fc7&nbsp;<code>handleFileChange<\/code>&nbsp;\u51fd\u6570\u5904\u7406\u6587\u4ef6\u9009\u62e9\u4e8b\u4ef6\uff0c\u5c06\u9009\u62e9\u7684\u6587\u4ef6\u4fdd\u5b58\u5728&nbsp;<code>selectedFile<\/code>&nbsp;\u72b6\u6001\u4e2d\u3002<\/li>\n\n\n\n<li>\u5f53\u7528\u6237\u70b9\u51fb\u4e0a\u4f20\u6309\u94ae\u65f6\uff0c\u901a\u8fc7&nbsp;<code>handleFileUpload<\/code>&nbsp;\u51fd\u6570\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li>\u5728&nbsp;<code>handleFileUpload<\/code>&nbsp;\u51fd\u6570\u4e2d\uff0c\u8ba1\u7b97\u5207\u7247\u6570\u91cf\u548c\u6bcf\u4e2a\u5207\u7247\u7684\u5927\u5c0f\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a&nbsp;<code>FormData<\/code>&nbsp;\u5bf9\u8c61\u7528\u4e8e\u5b58\u50a8\u6587\u4ef6\u4fe1\u606f\u548c\u5207\u7247\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u73b0\u5ba2\u6237\u7aef\u5207\u7247\u4e0b\u8f7d\u7684\u65b9\u6848<\/h3>\n\n\n\n<p>\u5b9e\u73b0\u5ba2\u6237\u7aef\u5207\u7247\u4e0b\u8f7d\u7684\u57fa\u672c\u65b9\u6848\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol>\n<li>\u670d\u52a1\u5668\u7aef\u5c06\u5927\u6587\u4ef6\u5207\u5272\u6210\u591a\u4e2a\u5207\u7247\uff0c\u5e76\u4e3a\u6bcf\u4e2a\u5207\u7247\u751f\u6210\u552f\u4e00\u7684\u6807\u8bc6\u7b26\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u83b7\u53d6\u5207\u7247\u5217\u8868\uff0c\u540c\u65f6\u5f00\u59cb\u4e0b\u8f7d\u7b2c\u4e00\u4e2a\u5207\u7247\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\u5728\u4e0b\u8f7d\u8fc7\u7a0b\u4e2d\uff0c\u6839\u636e\u5207\u7247\u5217\u8868\u53d1\u8d77\u5e76\u53d1\u8bf7\u6c42\u4e0b\u8f7d\u5176\u4ed6\u5207\u7247\uff0c\u5e76\u9010\u6e10\u62fc\u63a5\u5408\u5e76\u4e0b\u8f7d\u7684\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u5f53\u6240\u6709\u5207\u7247\u90fd\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u5ba2\u6237\u7aef\u5c06\u4e0b\u8f7d\u7684\u6570\u636e\u5408\u5e76\u4e3a\u5b8c\u6574\u7684\u6587\u4ef6\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>function downloadFile() {\n  \/\/ \u53d1\u8d77\u6587\u4ef6\u4e0b\u8f7d\u8bf7\u6c42\n  fetch('\/download', {\n    method: 'GET',\n    headers: {\n      'Content-Type': 'application\/json',\n    },\n  })\n    .then(response =&gt; response.json())\n    .then(data =&gt; {\n      const totalSize = data.totalSize;\n      const totalChunks = data.totalChunks;\n\n      let downloadedChunks = 0;\n      let chunks = &#91;];\n\n      \/\/ \u4e0b\u8f7d\u6bcf\u4e2a\u5207\u7247\n      for (let chunkNumber = 0; chunkNumber &lt; totalChunks; chunkNumber++) {\n        fetch(`\/download\/${chunkNumber}`, {\n          method: 'GET',\n        })\n          .then(response =&gt; response.blob())\n          .then(chunk =&gt; {\n            downloadedChunks++;\n            chunks.push(chunk);\n\n            \/\/ \u5f53\u6240\u6709\u5207\u7247\u90fd\u4e0b\u8f7d\u5b8c\u6210\u65f6\n            if (downloadedChunks === totalChunks) {\n              \/\/ \u5408\u5e76\u5207\u7247\n              const mergedBlob = new Blob(chunks);\n\n              \/\/ \u521b\u5efa\u5bf9\u8c61 URL\uff0c\u751f\u6210\u4e0b\u8f7d\u94fe\u63a5\n              const downloadUrl = window.URL.createObjectURL(mergedBlob);\n\n              \/\/ \u521b\u5efa &lt;a&gt; \u5143\u7d20\u5e76\u8bbe\u7f6e\u5c5e\u6027\n              const link = document.createElement('a');\n              link.href = downloadUrl;\n              link.setAttribute('download', 'file.txt');\n\n              \/\/ \u6a21\u62df\u70b9\u51fb\u4e0b\u8f7d\n              link.click();\n\n              \/\/ \u91ca\u653e\u8d44\u6e90\n              window.URL.revokeObjectURL(downloadUrl);\n            }\n          });\n      }\n    })\n    .catch(error =&gt; {\n      console.error('\u6587\u4ef6\u4e0b\u8f7d\u5931\u8d25:', error);\n    });\n}\n\n<\/code><\/code><\/pre>\n\n\n\n<p>\u6211\u4eec\u770b\u4e0b\u4ee3\u7801\uff0c\u9996\u5148\u4f7f\u7528<code>BLOB<\/code>\u5bf9\u8c61\u521b\u5efa\u4e00\u5171\u5bf9\u8c61URL\uff0c\u7528\u4e8e\u751f\u6210\u4e0b\u8f7d\u8fde\u63a5\uff0c\u7136\u540e\u521b\u5efa<code>a<\/code>\u6807\u7b7e\u5e76\u4e14\u8bbe\u7f6e<code>href<\/code>\u7684\u5c5e\u6027\u4e3a\u521a\u521a\u521b\u5efa\u7684\u5bf9\u8c61URL,\u7ee7\u7eed\u8bbe\u7f6e<code>a<\/code>\u6807\u7b7e\u7684<code>download<\/code>\u5c5e\u6027\u662f\u6587\u4ef6\u540d\uff0c\u65b9\u4fbf\u70b9\u51fb\u7684\u65f6\u5019\u81ea\u52a8\u4e0b\u8f7d\u6587\u4ef6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u663e\u793a\u4e0b\u8f7d\u8fdb\u5ea6\u548c\u5b8c\u6210\u72b6\u6001<\/h3>\n\n\n\n<p>\u4e3a\u4e86\u663e\u793a\u4e0b\u8f7d\u8fdb\u5ea6\u548c\u5b8c\u6210\u72b6\u6001\uff0c\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u5b9e\u73b0\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n\n\n\n<ol>\n<li>\u663e\u793a\u8fdb\u5ea6\u6761\uff1a\u5ba2\u6237\u7aef\u53ef\u4ee5\u901a\u8fc7\u76d1\u542c\u6bcf\u4e2a\u5207\u7247\u7684\u4e0b\u8f7d\u8fdb\u5ea6\u6765\u8ba1\u7b97\u6574\u4f53\u4e0b\u8f7d\u8fdb\u5ea6\uff0c\u5e76\u5b9e\u65f6\u66f4\u65b0\u8fdb\u5ea6\u6761\u7684\u663e\u793a\u3002<\/li>\n\n\n\n<li>\u663e\u793a\u5b8c\u6210\u72b6\u6001\uff1a\u5f53\u6240\u6709\u5207\u7247\u90fd\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u663e\u793a\u4e0b\u8f7d\u5b8c\u6210\u7684\u72b6\u6001\uff0c\u4f8b\u5982\u663e\u793a\u4e00\u4e2a\u5b8c\u6210\u7684\u56fe\u6807\u6216\u8005\u6587\u672c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u7ee7\u7eed\u63a5\u7740<code>\u5207\u7247\u4e0a\u4f20\u4ee3\u7801\u793a\u4f8b<\/code>\u91cc\u7684\u7ee7\u7eed\u5199\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>  \/\/ \u5904\u7406\u6587\u4ef6\u4e0b\u8f7d\u4e8b\u4ef6\n  function handleFileDownload() {\n    axios.get('\/download', {\n      responseType: 'blob',\n      onDownloadProgress: progressEvent =&gt; {\n        const progress = Math.round((progressEvent.loaded \/ progressEvent.total) * 100);\n        setProgress(progress);\n      }\n    })\n      .then(response =&gt; {\n        \/\/ \u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u7684URL\u5bf9\u8c61\u7528\u4e8e\u4e0b\u8f7d\n        const url = window.URL.createObjectURL(new Blob(&#91;response.data]));\n        const link = document.createElement('a');\n        link.href = url;\n        link.setAttribute('download', 'file.txt');\n        document.body.appendChild(link);\n        link.click();\n        document.body.removeChild(link);\n      })\n      .catch(error =&gt; {\n        console.error('\u6587\u4ef6\u4e0b\u8f7d\u5931\u8d25:', error);\n      });\n  }\n  \n  \n  &lt;button onClick={handleFileDownload}&gt;\u4e0b\u8f7d\u6587\u4ef6&lt;\/button&gt;\n  &lt;div&gt;\u8fdb\u5ea6\uff1a{progress}%&lt;\/div&gt;\n\n<\/code><\/code><\/pre>\n\n\n\n<ul>\n<li>\u5f53\u7528\u6237\u70b9\u51fb\u4e0b\u8f7d\u6309\u94ae\u65f6\uff0c\u901a\u8fc7&nbsp;<code>handleFileDownload<\/code>&nbsp;\u51fd\u6570\u5904\u7406\u6587\u4ef6\u4e0b\u8f7d\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li>\u5728&nbsp;<code>handleFileDownload<\/code>&nbsp;\u51fd\u6570\u4e2d\uff0c\u4f7f\u7528&nbsp;<code>axios<\/code>&nbsp;\u5e93\u53d1\u8d77\u6587\u4ef6\u4e0b\u8f7d\u8bf7\u6c42\uff0c\u5e76\u8bbe\u7f6e&nbsp;<code>responseType: 'blob'<\/code>&nbsp;\u8868\u793a\u8fd4\u56de\u4e8c\u8fdb\u5236\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7\u76d1\u542c&nbsp;<code>onDownloadProgress<\/code>&nbsp;\u5c5e\u6027\u83b7\u53d6\u4e0b\u8f7d\u8fdb\u5ea6\uff0c\u5e76\u66f4\u65b0\u8fdb\u5ea6\u6761\u7684\u663e\u793a\u3002<\/li>\n\n\n\n<li>\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u7684 URL \u5bf9\u8c61\u7528\u4e8e\u4e0b\u8f7d\uff0c\u5e76\u901a\u8fc7\u52a8\u6001\u521b\u5efa&nbsp;<code>&lt;a&gt;<\/code>&nbsp;\u5143\u7d20\u6a21\u62df\u70b9\u51fb\u4e0b\u8f7d\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5927\u6587\u4ef6\u4e0a\u4f20\u7684\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f20\u7edf\u7684\u6587\u4ef6\u4e0a\u4f20\u65b9\u5f0f\u5b58\u5728\u7684\u95ee\u9898<\/h3>\n\n\n\n<ul>\n<li>\u5927\u6587\u4ef6\u4e0a\u4f20\u8017\u65f6\u957f\uff0c\u5bb9\u6613\u5bfc\u81f4\u8bf7\u6c42\u8d85\u65f6\u3002<\/li>\n\n\n\n<li>\u5360\u7528\u670d\u52a1\u5668\u548c\u7f51\u7edc\u5e26\u5bbd\u8d44\u6e90\uff0c\u53ef\u80fd\u5f71\u54cd\u5176\u4ed6\u7528\u6237\u7684\u8bbf\u95ee\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4e0a\u4f20\u4e2d\u65ad\uff0c\u9700\u8981\u91cd\u65b0\u4e0a\u4f20\u6574\u4e2a\u6587\u4ef6\uff0c\u6548\u7387\u4f4e\u4e0b\u3002<\/li>\n\n\n\n<li>\u96be\u4ee5\u5b9e\u73b0\u4e0a\u4f20\u8fdb\u5ea6\u7684\u663e\u793a\u548c\u63a7\u5236\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u524d\u7aef\u6587\u4ef6\u5207\u7247\u4e0a\u4f20\u7684\u4f18\u52bf<\/h3>\n\n\n\n<ul>\n<li>\u5c06\u5927\u6587\u4ef6\u5206\u5272\u4e3a\u66f4\u5c0f\u7684\u6587\u4ef6\u5207\u7247\uff0c\u5206\u591a\u6b21\u4e0a\u4f20\uff0c\u63d0\u9ad8\u4e0a\u4f20\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u63d0\u4f9b\u4e0a\u4f20\u8fdb\u5ea6\u7684\u76d1\u63a7\u548c\u5c55\u793a\uff0c\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n\n\n\n<li>\u5145\u5206\u5229\u7528\u6d4f\u89c8\u5668\u7684\u5e76\u53d1\u4e0a\u4f20\u80fd\u529b\uff0c\u51cf\u8f7b\u670d\u52a1\u5668\u8d1f\u62c5\u3002<\/li>\n\n\n\n<li>\u5b9e\u73b0\u65ad\u70b9\u7eed\u4f20\u529f\u80fd\uff0c\u907f\u514d\u91cd\u590d\u4e0a\u4f20\u5df2\u4e0a\u4f20\u7684\u90e8\u5206\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u73b0\u524d\u7aef\u5207\u7247\u4e0a\u4f20\u7684\u65b9\u6cd5<\/h3>\n\n\n\n<ul>\n<li>\u4f7f\u7528 JavaScript \u7684&nbsp;<code>File API<\/code>&nbsp;\u83b7\u53d6\u6587\u4ef6\u5bf9\u8c61\uff0c\u5e76\u4f7f\u7528&nbsp;<code>Blob.prototype.slice()<\/code>&nbsp;\u65b9\u6cd5\u5c06\u6587\u4ef6\u5207\u5272\u4e3a\u591a\u4e2a\u5207\u7247\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528&nbsp;<code>FormData<\/code>&nbsp;\u5bf9\u8c61\u5c06\u5207\u7247\u6570\u636e\u901a\u8fc7 AJAX \u6216 Fetch API \u53d1\u9001\u5230\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li>\u5728\u540e\u7aef\u670d\u52a1\u5668\u4e0a\u63a5\u6536\u5207\u7247\u5e76\u4fdd\u5b58\u5230\u4e34\u65f6\u5b58\u50a8\u4e2d\uff0c\u7b49\u5f85\u540e\u7eed\u5408\u5e76\u3002<\/li>\n\n\n\n<li>\u5728\u5ba2\u6237\u7aef\u901a\u8fc7\u76d1\u542c\u4e0a\u4f20\u8fdb\u5ea6\u4e8b\u4ef6\uff0c\u5728\u8fdb\u5ea6\u6761\u6216\u63d0\u793a\u4e2d\u5c55\u793a\u4e0a\u4f20\u8fdb\u5ea6\u3002 <strong>\u4ee3\u7801\u793a\u4f8b<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><code>const &#91;file, setFile] = useState(null);  \/\/\u7528\u6765\u5b58\u653e\u6211\u672c\u5730\u4e0a\u4f20\u7684\u6587\u4ef6\n\nconst chunkSize = 1024 * 1024; \/\/ 1MB \u5207\u7247\u5927\u5c0f\n\n  const upload = () =&gt; {\n    if (!file) {\n      alert(\"\u8bf7\u9009\u62e9\u8981\u4e0a\u4f20\u7684\u6587\u4ef6\uff01\");\n      return;\n    }\n\n    const chunkSize = 1024 * 1024; \/\/ 1MB\n\n    let start = 0;\n    let end = Math.min(chunkSize, file.size);\n\n    while (start &lt; file.size) {\n      const chunk = file.slice(start, end);\n      \n      \/\/ \u521b\u5efaFormData\u5bf9\u8c61\n      const formData = new FormData();\n      formData.append('file', chunk);\n\n      \/\/ \u53d1\u9001\u5207\u7247\u5230\u670d\u52a1\u5668\n      fetch('\u4e0a\u4f20\u63a5\u53e3xxxx', {\n        method: 'POST',\n        body: formData\n      })\n      .then(response =&gt; response.json())\n      .then(data =&gt; {\n        console.log(data);\n        \/\/ \u5904\u7406\u54cd\u5e94\u7ed3\u679c\n      })\n      .catch(error =&gt; {\n        console.error(error);\n        \/\/ \u5904\u7406\u9519\u8bef\n      });\n\n      start = end;\n      end = Math.min(start + chunkSize, file.size);\n    }\n  };\n  \n return (\n    &lt;div&gt;\n      &lt;input type=\"file\" onChange={handleFileChange} \/&gt;\n      &lt;button onClick={upload}&gt;\u4e0a\u4f20&lt;\/button&gt;\n    &lt;\/div&gt;\n  );\n}\n\n\n<\/code><\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a<code>Upload<\/code>\u7684\u51fd\u6570\u7ec4\u4ef6\u3002\u5b83\u4f7f\u7528\u4e86 React \u7684<code>useState<\/code>\u94a9\u5b50\u6765\u7ba1\u7406\u9009\u4e2d\u7684\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7<code>onChange<\/code>\u4e8b\u4ef6\u76d1\u542c\u6587\u4ef6\u8f93\u5165\u6846\u7684\u53d8\u5316\uff0c\u5e76\u5728<code>handleFileChange<\/code>\u51fd\u6570\u4e2d\u83b7\u53d6\u9009\u62e9\u7684\u6587\u4ef6\uff0c\u5e76\u66f4\u65b0<code>file<\/code>\u72b6\u6001\u3002<\/p>\n\n\n\n<p>\u70b9\u51fb\u201c\u4e0a\u4f20\u201d\u6309\u94ae\u65f6\uff0c\u8c03\u7528<code>upload<\/code>\u51fd\u6570\u3002\u5b83\u4e0e\u4e4b\u524d\u7684\u793a\u4f8b\u4ee3\u7801\u7c7b\u4f3c\uff0c\u5c06\u6587\u4ef6\u5207\u5272\u4e3a\u591a\u4e2a\u5927\u5c0f\u76f8\u7b49\u7684\u5207\u7247\uff0c\u5e76\u4f7f\u7528<code>FormData<\/code>\u5bf9\u8c61\u548c<code>fetch<\/code>\u51fd\u6570\u53d1\u9001\u5207\u7247\u6570\u636e\u5230\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u73b0\u65ad\u70b9\u7eed\u4f20\u7684\u6280\u672f\uff1a\u8bb0\u5f55\u548c\u6062\u590d\u4e0a\u4f20\u72b6\u6001<\/h3>\n\n\n\n<ul>\n<li>\u5728\u524d\u7aef\uff0c\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>localStorage<\/code>&nbsp;\u6216&nbsp;<code>sessionStorage<\/code>&nbsp;\u6765\u5b58\u50a8\u5df2\u4e0a\u4f20\u7684\u5207\u7247\u4fe1\u606f\uff0c\u5305\u62ec\u5df2\u4e0a\u4f20\u7684\u5207\u7247\u7d22\u5f15\u3001\u5207\u7247\u5927\u5c0f\u7b49\u3002<\/li>\n\n\n\n<li>\u6bcf\u6b21\u4e0a\u4f20\u524d\uff0c\u5148\u68c0\u67e5\u672c\u5730\u5b58\u50a8\u4e2d\u662f\u5426\u5b58\u5728\u5df2\u4e0a\u4f20\u7684\u5207\u7247\u4fe1\u606f\uff0c\u82e5\u5b58\u5728\uff0c\u5219\u4ece\u65ad\u70b9\u5904\u7ee7\u7eed\u4e0a\u4f20\u3002<\/li>\n\n\n\n<li>\u5728\u540e\u7aef\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u4e34\u65f6\u6587\u4ef6\u5939\u6216\u6570\u636e\u5e93\u6765\u8bb0\u5f55\u5df2\u63a5\u6536\u5230\u7684\u5207\u7247\u4fe1\u606f\uff0c\u5305\u62ec\u5df2\u4e0a\u4f20\u7684\u5207\u7247\u7d22\u5f15\u3001\u5207\u7247\u5927\u5c0f\u7b49\u3002<\/li>\n\n\n\n<li>\u5728\u4e0a\u4f20\u5b8c\u6210\u524d\uff0c\u4fdd\u5b58\u4e0a\u4f20\u72b6\u6001\uff0c\u4ee5\u4fbf\u5728\u4e0a\u4f20\u4e2d\u65ad\u540e\u80fd\u591f\u6062\u590d\u4e0a\u4f20\u8fdb\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><code>import React, { useState, useRef, useEffect } from 'react';\n\nfunction Upload() {\n  const &#91;file, setFile] = useState(null);\n  const &#91;uploadedChunks, setUploadedChunks] = useState(&#91;]);\n  const &#91;uploading, setUploading] = useState(false);\n  const uploadRequestRef = useRef();\n\n  const handleFileChange = (event) =&gt; {\n    const selectedFile = event.target.files&#91;0];\n    setFile(selectedFile);\n  };\n\n  const uploadChunk = (chunk) =&gt; {\n    \/\/ \u521b\u5efaFormData\u5bf9\u8c61\n    const formData = new FormData();\n    formData.append('file', chunk);\n\n    \/\/ \u53d1\u9001\u5207\u7247\u5230\u670d\u52a1\u5668\n    return fetch('your-upload-url', {\n      method: 'POST',\n      body: formData\n    })\n    .then(response =&gt; response.json())\n    .then(data =&gt; {\n      console.log(data);\n      \/\/ \u5904\u7406\u54cd\u5e94\u7ed3\u679c\n      return data;\n    });\n  };\n\n  const upload = async () =&gt; {\n    if (!file) {\n      alert(\"\u8bf7\u9009\u62e9\u8981\u4e0a\u4f20\u7684\u6587\u4ef6\uff01\");\n      return;\n    }\n\n    const chunkSize = 1024 * 1024; \/\/ 1MB\n    const totalChunks = Math.ceil(file.size \/ chunkSize);\n\n    let start = 0;\n    let end = Math.min(chunkSize, file.size);\n\n    setUploading(true);\n\n    for (let i = 0; i &lt; totalChunks; i++) {\n      const chunk = file.slice(start, end);\n      const uploadedChunkIndex = uploadedChunks.indexOf(i);\n\n      if (uploadedChunkIndex === -1) {\n        try {\n          const response = await uploadChunk(chunk);\n          setUploadedChunks((prevChunks) =&gt; &#91;...prevChunks, i]);\n\n          \/\/ \u4fdd\u5b58\u5df2\u4e0a\u4f20\u7684\u5207\u7247\u4fe1\u606f\u5230\u672c\u5730\u5b58\u50a8\n          localStorage.setItem('uploadedChunks', JSON.stringify(uploadedChunks));\n        } catch (error) {\n          console.error(error);\n          \/\/ \u5904\u7406\u9519\u8bef\n        }\n      }\n\n      start = end;\n      end = Math.min(start + chunkSize, file.size);\n    }\n\n    setUploading(false);\n\n    \/\/ \u4e0a\u4f20\u5b8c\u6bd5\uff0c\u6e05\u9664\u672c\u5730\u5b58\u50a8\u7684\u5207\u7247\u4fe1\u606f\n    localStorage.removeItem('uploadedChunks');\n  };\n\n  useEffect(() =&gt; {\n    const storedUploadedChunks = localStorage.getItem('uploadedChunks');\n\n    if (storedUploadedChunks) {\n      setUploadedChunks(JSON.parse(storedUploadedChunks));\n    }\n  }, &#91;]);\n\n  return (\n    &lt;div&gt;\n      &lt;input type=\"file\" onChange={handleFileChange} \/&gt;\n      &lt;button onClick={upload} disabled={uploading}&gt;\n        {uploading ? '\u4e0a\u4f20\u4e2d...' : '\u4e0a\u4f20'}\n      &lt;\/button&gt;\n    &lt;\/div&gt;\n  );\n}\n\n\n<\/code><\/code><\/pre>\n\n\n\n<p>\u9996\u5148\uff0c\u4f7f\u7528<code>useState<\/code>\u94a9\u5b50\u521b\u5efa\u4e86\u4e00\u4e2a<code>uploadedChunks<\/code>\u72b6\u6001\u6765\u4fdd\u5b58\u5df2\u4e0a\u4f20\u7684\u5207\u7247\u7d22\u5f15\u6570\u7ec4\u3002\u521d\u59cb\u503c\u4e3a\u7a7a\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>useRef<\/code>\u94a9\u5b50\u521b\u5efa\u4e86\u4e00\u4e2a<code>uploadRequestRef<\/code>\u5f15\u7528\uff0c\u7528\u4e8e\u5b58\u50a8\u5f53\u524d\u7684\u4e0a\u4f20\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>\u5728<code>handleFileChange<\/code>\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u66f4\u65b0\u4e86<code>file<\/code>\u72b6\u6001\u4ee5\u9009\u62e9\u8981\u4e0a\u4f20\u7684\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u5728<code>uploadChunk<\/code>\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u53d1\u9001\u5207\u7247\u5230\u670d\u52a1\u5668\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a<code>Promise<\/code>\u5bf9\u8c61\u6765\u5904\u7406\u54cd\u5e94\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u5728<code>upload<\/code>\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u6dfb\u52a0\u4e86\u65ad\u70b9\u7eed\u4f20\u7684\u903b\u8f91\u3002\u9996\u5148\uff0c\u6211\u4eec\u83b7\u53d6\u5207\u7247\u7684\u603b\u6570\uff0c\u5e76\u8bbe\u7f6e<code>uploading<\/code>\u72b6\u6001\u4e3a<code>true<\/code>\u6765\u7981\u7528\u4e0a\u4f20\u6309\u94ae\u3002<\/p>\n\n\n\n<p>\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u904d\u5386\u6240\u6709\u5207\u7247\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u5207\u7247\uff0c\u6211\u4eec\u68c0\u67e5<code>uploadedChunks<\/code>\u6570\u7ec4\u4e2d\u662f\u5426\u5df2\u7ecf\u5305\u542b\u8be5\u7d22\u5f15\uff0c\u5982\u679c\u4e0d\u5305\u542b\uff0c\u5219\u8fdb\u884c\u4e0a\u4f20\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u5728\u4e0a\u4f20\u5207\u7247\u4e4b\u540e\uff0c\u6211\u4eec\u5c06\u5df2\u4e0a\u4f20\u7684\u5207\u7247\u7d22\u5f15\u6dfb\u52a0\u5230<code>uploadedChunks<\/code>\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528<code>localStorage<\/code>\u4fdd\u5b58\u5df2\u4e0a\u4f20\u7684\u5207\u7247\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u5728\u4e0a\u4f20\u5b8c\u6bd5\u540e\uff0c\u6211\u4eec\u5c06<code>uploading<\/code>\u72b6\u6001\u8bbe\u4e3a<code>false<\/code>\uff0c\u5e76\u6e05\u9664\u672c\u5730\u5b58\u50a8\u7684\u5207\u7247\u4fe1\u606f\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>\u5728\u5b9e\u73b0\u5927\u6587\u4ef6\u4e0a\u4f20\u65f6\u8981\u8003\u8651\u670d\u52a1\u5668\u7aef\u7684\u5904\u7406\u80fd\u529b\u548c\u5b58\u50a8\u7a7a\u95f4\uff0c\u4ee5\u53ca\u5b89\u5168\u6027\u95ee\u9898\u3002\u540c\u65f6\uff0c\u4e3a\u4e86\u4fdd\u969c\u65ad\u70b9\u7eed\u4f20\u7684\u51c6\u786e\u6027\uff0c\u5e94\u8be5\u5c3d\u91cf\u907f\u514d\u5e76\u53d1\u4e0a\u4f20\u76f8\u540c\u6587\u4ef6\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u91c7\u7528\u6587\u4ef6\u552f\u4e00\u6807\u8bc6\u7b26\u6216\u7528\u6237\u4f1a\u8bdd\u6807\u8bc6\u7b26\u8fdb\u884c\u533a\u5206\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u4f18\u5316\u7528\u6237\u4f53\u9a8c\uff1a\u5207\u7247\u4e0b\u8f7d\u4e0e\u4e0a\u4f20\u7684\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u540e\u53f0\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7684\u6587\u4ef6\u4e0b\u8f7d\u548c\u4e0a\u4f20\uff1a<\/h3>\n\n\n\n<ul>\n<li>\u6587\u4ef6\u4e0b\u8f7d\uff1a\u5728\u540e\u53f0\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u7528\u6237\u53ef\u80fd\u9700\u8981\u4e0b\u8f7d\u5927\u578b\u6587\u4ef6\uff0c\u5982\u62a5\u8868\u3001\u65e5\u5fd7\u6587\u4ef6\u3001\u6570\u636e\u5e93\u5907\u4efd\u7b49\u3002\u901a\u8fc7\u5c06\u6587\u4ef6\u5207\u7247\u4e0b\u8f7d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4e0b\u8f7d\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\uff0c\u540c\u65f6\u5141\u8bb8\u7528\u6237\u4e2d\u65ad\u4e0b\u8f7d\u5e76\u4ece\u4e2d\u65ad\u5904\u7ee7\u7eed\u4e0b\u8f7d\u3002<\/li>\n\n\n\n<li>\u6587\u4ef6\u4e0a\u4f20\uff1a\u540e\u53f0\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u7528\u6237\u53ef\u80fd\u9700\u8981\u4e0a\u4f20\u5927\u578b\u6587\u4ef6\uff0c\u5982\u6570\u636e\u5bfc\u5165\u3001\u6587\u4ef6\u5907\u4efd\u7b49\u3002\u4f7f\u7528\u5207\u7247\u4e0a\u4f20\u53ef\u4ee5\u63d0\u9ad8\u4e0a\u4f20\u6548\u7387\uff0c\u5206\u6279\u4e0a\u4f20\u6587\u4ef6\u5207\u7247\uff0c\u5e76\u663e\u793a\u4e0a\u4f20\u8fdb\u5ea6\uff0c\u4f7f\u7528\u6237\u80fd\u591f\u4e86\u89e3\u4e0a\u4f20\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n\n\n\n<h3 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":[],"categories":[105],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/3461"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3461"}],"version-history":[{"count":2,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/3461\/revisions"}],"predecessor-version":[{"id":3623,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/3461\/revisions\/3623"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}