{"id":18,"date":"2024-08-22T10:26:31","date_gmt":"2024-08-22T02:26:31","guid":{"rendered":"http:\/\/8.147.235.132:3838\/?p=18"},"modified":"2024-08-22T10:26:31","modified_gmt":"2024-08-22T02:26:31","slug":"%e5%89%aa%e8%b4%b4%e6%9d%bf%e6%93%8d%e4%bd%9c-clipboard-api-%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.jpxiao.cn\/index.php\/2024\/08\/22\/%e5%89%aa%e8%b4%b4%e6%9d%bf%e6%93%8d%e4%bd%9c-clipboard-api-%e6%95%99%e7%a8%8b\/","title":{"rendered":"\u526a\u8d34\u677f\u64cd\u4f5c Clipboard API \u6559\u7a0b"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u7b80\u4ecb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d4f\u89c8\u5668\u5141\u8bb8 JavaScript \u811a\u672c\u8bfb\u5199\u526a\u8d34\u677f\uff0c\u81ea\u52a8\u590d\u5236\u6216\u7c98\u8d34\u5185\u5bb9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u6765\u8bf4\uff0c\u811a\u672c\u4e0d\u5e94\u8be5\u6539\u52a8\u7528\u6237\u7684\u526a\u8d34\u677f\uff0c\u4ee5\u514d\u4e0d\u7b26\u5408\u7528\u6237\u7684\u9884\u671f\u3002\u4f46\u662f\uff0c\u6709\u4e9b\u65f6\u5019\u8fd9\u6837\u505a\u786e\u5b9e\u80fd\u591f\u5e26\u6765\u65b9\u4fbf\uff0c\u6bd4\u5982&#8221;\u4e00\u952e\u590d\u5236&#8221;\u529f\u80fd\uff0c\u7528\u6237\u70b9\u51fb\u4e00\u4e0b\u6309\u94ae\uff0c\u6307\u5b9a\u7684\u5185\u5bb9\u5c31\u81ea\u52a8\u8fdb\u5165\u526a\u8d34\u677f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u524d\uff0c\u4e00\u5171\u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u526a\u8d34\u677f\u64cd\u4f5c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>Document.execCommand()<\/code>\u65b9\u6cd5<\/li><li>\u5f02\u6b65\u7684 Clipboard API<\/li><li><code>copy<\/code>\u4e8b\u4ef6\u548c<code>paste<\/code>\u4e8b\u4ef6<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u9010\u4e00\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u65b9\u6cd5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wangbase.com\/blogimg\/asset\/202101\/bg2021012003.jpg\" alt=\"\" title=\"\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001Document.execCommand() \u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Document.execCommand()<\/code>\u662f\u64cd\u4f5c\u526a\u8d34\u677f\u7684\u4f20\u7edf\u65b9\u6cd5\uff0c\u5404\u79cd\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u652f\u6301\u590d\u5236\u3001\u526a\u5207\u548c\u7c98\u8d34\u8fd9\u4e09\u4e2a\u64cd\u4f5c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>document.execCommand('copy')<\/code>\uff08\u590d\u5236\uff09<\/li><li><code>document.execCommand('cut')<\/code>\uff08\u526a\u5207\uff09<\/li><li><code>document.execCommand('paste')<\/code>\uff08\u7c98\u8d34\uff09<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uff081\uff09\u590d\u5236\u64cd\u4f5c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u590d\u5236\u65f6\uff0c\u5148\u9009\u4e2d\u6587\u672c\uff0c\u7136\u540e\u8c03\u7528<code>document.execCommand('copy')<\/code>\uff0c\u9009\u4e2d\u7684\u6587\u672c\u5c31\u4f1a\u8fdb\u5165\u526a\u8d34\u677f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nconst inputElement = document.querySelector('#input');\ninputElement.select();\ndocument.execCommand('copy');\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u793a\u4f8b\u4e2d\uff0c\u811a\u672c\u5148\u9009\u4e2d\u8f93\u5165\u6846<code>inputElement<\/code>\u91cc\u9762\u7684\u6587\u5b57\uff08<code>inputElement.select()<\/code>\uff09\uff0c\u7136\u540e<code>document.execCommand('copy')<\/code>\u5c06\u5176\u590d\u5236\u5230\u526a\u8d34\u677f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff0c\u590d\u5236\u64cd\u4f5c\u6700\u597d\u653e\u5728\u4e8b\u4ef6\u76d1\u542c\u51fd\u6570\u91cc\u9762\uff0c\u7531\u7528\u6237\u89e6\u53d1\uff08\u6bd4\u5982\u7528\u6237\u70b9\u51fb\u6309\u94ae\uff09\u3002\u5982\u679c\u811a\u672c\u81ea\u4e3b\u6267\u884c\uff0c\u67d0\u4e9b\u6d4f\u89c8\u5668\u53ef\u80fd\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff082\uff09\u7c98\u8d34\u64cd\u4f5c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c98\u8d34\u65f6\uff0c\u8c03\u7528<code>document.execCommand('paste')<\/code>\uff0c\u5c31\u4f1a\u5c06\u526a\u8d34\u677f\u91cc\u9762\u7684\u5185\u5bb9\uff0c\u8f93\u51fa\u5230\u5f53\u524d\u7684\u7126\u70b9\u5143\u7d20\u4e2d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nconst pasteText = document.querySelector('#output');\npasteText.focus();\ndocument.execCommand('paste');\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uff083\uff09\u7f3a\u70b9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Document.execCommand()<\/code>\u65b9\u6cd5\u867d\u7136\u65b9\u4fbf\uff0c\u4f46\u662f\u6709\u4e00\u4e9b\u7f3a\u70b9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u5b83\u53ea\u80fd\u5c06\u9009\u4e2d\u7684\u5185\u5bb9\u590d\u5236\u5230\u526a\u8d34\u677f\uff0c\u65e0\u6cd5\u5411\u526a\u8d34\u677f\u4efb\u610f\u5199\u5165\u5185\u5bb9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u6b21\uff0c\u5b83\u662f\u540c\u6b65\u64cd\u4f5c\uff0c\u5982\u679c\u590d\u5236\/\u7c98\u8d34\u5927\u91cf\u6570\u636e\uff0c\u9875\u9762\u4f1a\u51fa\u73b0\u5361\u987f\u3002\u6709\u4e9b\u6d4f\u89c8\u5668\u8fd8\u4f1a\u8df3\u51fa\u63d0\u793a\u6846\uff0c\u8981\u6c42\u7528\u6237\u8bb8\u53ef\uff0c\u8fd9\u65f6\u5728\u7528\u6237\u505a\u51fa\u9009\u62e9\u524d\uff0c\u9875\u9762\u4f1a\u5931\u53bb\u54cd\u5e94\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u6d4f\u89c8\u5668\u5382\u5546\u63d0\u51fa\u4e86\u5f02\u6b65\u7684 Clipboard API\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5f02\u6b65 Clipboard API<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Clipboard API \u662f\u4e0b\u4e00\u4ee3\u7684\u526a\u8d34\u677f\u64cd\u4f5c\u65b9\u6cd5\uff0c\u6bd4\u4f20\u7edf\u7684<code>document.execCommand()<\/code>\u65b9\u6cd5\u66f4\u5f3a\u5927\u3001\u66f4\u5408\u7406\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u662f\u5f02\u6b65\u7684\uff0c\u8fd4\u56de Promise \u5bf9\u8c61\uff0c\u4e0d\u4f1a\u9020\u6210\u9875\u9762\u5361\u987f\u3002\u800c\u4e14\uff0c\u5b83\u53ef\u4ee5\u5c06\u4efb\u610f\u5185\u5bb9\uff08\u6bd4\u5982\u56fe\u7247\uff09\u653e\u5165\u526a\u8d34\u677f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>navigator.clipboard<\/code>\u5c5e\u6027\u8fd4\u56de Clipboard \u5bf9\u8c61\uff0c\u6240\u6709\u64cd\u4f5c\u90fd\u901a\u8fc7\u8fd9\u4e2a\u5bf9\u8c61\u8fdb\u884c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nconst clipboardObj = navigator.clipboard;\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c<code>navigator.clipboard<\/code>\u5c5e\u6027\u8fd4\u56de<code>undefined<\/code>\uff0c\u5c31\u8bf4\u660e\u5f53\u524d\u6d4f\u89c8\u5668\u4e0d\u652f\u6301\u8fd9\u4e2a API\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e\u7528\u6237\u53ef\u80fd\u628a\u654f\u611f\u6570\u636e\uff08\u6bd4\u5982\u5bc6\u7801\uff09\u653e\u5728\u526a\u8d34\u677f\uff0c\u5141\u8bb8\u811a\u672c\u4efb\u610f\u8bfb\u53d6\u4f1a\u4ea7\u751f\u5b89\u5168\u98ce\u9669\uff0c\u6240\u4ee5\u8fd9\u4e2a API \u7684\u5b89\u5168\u9650\u5236\u6bd4\u8f83\u591a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0cChrome \u6d4f\u89c8\u5668\u89c4\u5b9a\uff0c\u53ea\u6709 HTTPS \u534f\u8bae\u7684\u9875\u9762\u624d\u80fd\u4f7f\u7528\u8fd9\u4e2a API\u3002\u4e0d\u8fc7\uff0c\u5f00\u53d1\u73af\u5883\uff08<code>localhost<\/code>\uff09\u5141\u8bb8\u4f7f\u7528\u975e\u52a0\u5bc6\u534f\u8bae\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u6b21\uff0c\u8c03\u7528\u65f6\u9700\u8981\u660e\u786e\u83b7\u5f97\u7528\u6237\u7684\u8bb8\u53ef\u3002\u6743\u9650\u7684\u5177\u4f53\u5b9e\u73b0\u4f7f\u7528\u4e86 Permissions API\uff0c\u8ddf\u526a\u8d34\u677f\u76f8\u5173\u7684\u6709\u4e24\u4e2a\u6743\u9650\uff1a<code>clipboard-write<\/code>\uff08\u5199\u6743\u9650\uff09\u548c<code>clipboard-read<\/code>\uff08\u8bfb\u6743\u9650\uff09\u3002&#8221;\u5199\u6743\u9650&#8221;\u81ea\u52a8\u6388\u4e88\u811a\u672c\uff0c\u800c&#8221;\u8bfb\u6743\u9650&#8221;\u5fc5\u987b\u7528\u6237\u660e\u786e\u540c\u610f\u7ed9\u4e88\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5199\u5165\u526a\u8d34\u677f\uff0c\u811a\u672c\u53ef\u4ee5\u81ea\u52a8\u5b8c\u6210\uff0c\u4f46\u662f\u8bfb\u53d6\u526a\u8d34\u677f\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u5f39\u51fa\u4e00\u4e2a\u5bf9\u8bdd\u6846\uff0c\u8be2\u95ee\u7528\u6237\u662f\u5426\u540c\u610f\u8bfb\u53d6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wangbase.com\/blogimg\/asset\/202101\/bg2021012004.jpg\" alt=\"\" title=\"\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e6\u5916\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u811a\u672c\u8bfb\u53d6\u7684\u603b\u662f\u5f53\u524d\u9875\u9762\u7684\u526a\u8d34\u677f\u3002\u8fd9\u5e26\u6765\u7684\u4e00\u4e2a\u95ee\u9898\u662f\uff0c\u5982\u679c\u628a\u76f8\u5173\u7684\u4ee3\u7801\u7c98\u8d34\u5230\u5f00\u53d1\u8005\u5de5\u5177\u4e2d\u76f4\u63a5\u8fd0\u884c\uff0c\u53ef\u80fd\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3a\u8fd9\u65f6\u7684\u5f53\u524d\u9875\u9762\u662f\u5f00\u53d1\u8005\u5de5\u5177\u7684\u7a97\u53e3\uff0c\u800c\u4e0d\u662f\u7f51\u9875\u9875\u9762\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\n(async () =&gt; {\n  const text = await navigator.clipboard.readText();\n  console.log(text);\n})();\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u628a\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u7c98\u8d34\u5230\u5f00\u53d1\u8005\u5de5\u5177\u91cc\u9762\u8fd0\u884c\uff0c\u5c31\u4f1a\u62a5\u9519\u3002\u56e0\u4e3a\u4ee3\u7801\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u5f00\u53d1\u8005\u5de5\u5177\u7a97\u53e3\u662f\u5f53\u524d\u9875\uff0c\u8fd9\u4e2a\u9875\u9762\u4e0d\u5b58\u5728 Clipboard API \u4f9d\u8d56\u7684 DOM \u63a5\u53e3\u3002\u4e00\u4e2a\u89e3\u51b3\u65b9\u6cd5\u5c31\u662f\uff0c\u76f8\u5173\u4ee3\u7801\u653e\u5230<code>setTimeout()<\/code>\u91cc\u9762\u5ef6\u8fdf\u8fd0\u884c\uff0c\u5728\u8c03\u7528\u51fd\u6570\u4e4b\u524d\u5feb\u901f\u70b9\u51fb\u6d4f\u89c8\u5668\u7684\u9875\u9762\u7a97\u53e3\uff0c\u5c06\u5176\u53d8\u6210\u5f53\u524d\u9875\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nsetTimeout(async () =&gt; {\n  const text = await navigator.clipboard.readText();\n  console.log(text);\n}, 2000);\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u4ee3\u7801\u7c98\u8d34\u5230\u5f00\u53d1\u8005\u5de5\u5177\u8fd0\u884c\u540e\uff0c\u5feb\u901f\u70b9\u51fb\u4e00\u4e0b\u7f51\u9875\u7684\u9875\u9762\u7a97\u53e3\uff0c\u4f7f\u5176\u53d8\u4e3a\u5f53\u524d\u9875\uff0c\u8fd9\u6837\u5c31\u4e0d\u4f1a\u62a5\u9519\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001Clipboard \u5bf9\u8c61<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Clipboard \u5bf9\u8c61\u63d0\u4f9b\u4e86\u56db\u4e2a\u65b9\u6cd5\uff0c\u7528\u6765\u8bfb\u5199\u526a\u8d34\u677f\u3002\u5b83\u4eec\u90fd\u662f\u5f02\u6b65\u65b9\u6cd5\uff0c\u8fd4\u56de Promise \u5bf9\u8c61\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 Clipboard.readText()<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Clipboard.readText()<\/code>\u65b9\u6cd5\u7528\u4e8e\u590d\u5236\u526a\u8d34\u677f\u91cc\u9762\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\ndocument.body.addEventListener(\n  'click',\n  async (e) =&gt; {\n    const text = await navigator.clipboard.readText();\n    console.log(text);\n  }\n)\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u793a\u4f8b\u4e2d\uff0c\u7528\u6237\u70b9\u51fb\u9875\u9762\u540e\uff0c\u5c31\u4f1a\u8f93\u51fa\u526a\u8d34\u677f\u91cc\u9762\u7684\u6587\u672c\u3002\u6ce8\u610f\uff0c\u6d4f\u89c8\u5668\u8fd9\u65f6\u4f1a\u8df3\u51fa\u4e00\u4e2a\u5bf9\u8bdd\u6846\uff0c\u8be2\u95ee\u7528\u6237\u662f\u5426\u540c\u610f\u811a\u672c\u8bfb\u53d6\u526a\u8d34\u677f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u7528\u6237\u4e0d\u540c\u610f\uff0c\u811a\u672c\u5c31\u4f1a\u62a5\u9519\u3002\u8fd9\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>try...catch<\/code>\u7ed3\u6784\uff0c\u5904\u7406\u62a5\u9519\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nasync function getClipboardContents() {\n  try {\n    const text = await navigator.clipboard.readText();\n    console.log('Pasted content: ', text);\n  } catch (err) {\n    console.error('Failed to read clipboard contents: ', err);\n  }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 Clipboard.read()<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Clipboard.read()<\/code>\u65b9\u6cd5\u7528\u4e8e\u590d\u5236\u526a\u8d34\u677f\u91cc\u9762\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u662f\u6587\u672c\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e8c\u8fdb\u5236\u6570\u636e\uff08\u6bd4\u5982\u56fe\u7247\uff09\u3002\u8be5\u65b9\u6cd5\u9700\u8981\u7528\u6237\u660e\u786e\u7ed9\u4e88\u8bb8\u53ef\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a Promise \u5bf9\u8c61\u3002\u4e00\u65e6\u8be5\u5bf9\u8c61\u7684\u72b6\u6001\u53d8\u4e3a resolved\uff0c\u5c31\u53ef\u4ee5\u83b7\u5f97\u4e00\u4e2a\u6570\u7ec4\uff0c\u6bcf\u4e2a\u6570\u7ec4\u6210\u5458\u90fd\u662f ClipboardItem \u5bf9\u8c61\u7684\u5b9e\u4f8b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nasync function getClipboardContents() {\n  try {\n    const clipboardItems = await navigator.clipboard.read();\n    for (const clipboardItem of clipboardItems) {\n      for (const type of clipboardItem.types) {\n        const blob = await clipboardItem.getType(type);\n        console.log(URL.createObjectURL(blob));\n      }\n    }\n  } catch (err) {\n    console.error(err.name, err.message);\n  }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">ClipboardItem \u5bf9\u8c61\u8868\u793a\u4e00\u4e2a\u5355\u72ec\u7684\u526a\u8d34\u9879\uff0c\u6bcf\u4e2a\u526a\u8d34\u9879\u90fd\u62e5\u6709<code>ClipboardItem.types<\/code>\u5c5e\u6027\u548c<code>ClipboardItem.getType()<\/code>\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>ClipboardItem.types<\/code>\u5c5e\u6027\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\uff0c\u91cc\u9762\u7684\u6210\u5458\u662f\u8be5\u526a\u8d34\u9879\u53ef\u7528\u7684 MIME \u7c7b\u578b\uff0c\u6bd4\u5982\u67d0\u4e2a\u526a\u8d34\u9879\u53ef\u4ee5\u7528 HTML \u683c\u5f0f\u7c98\u8d34\uff0c\u4e5f\u53ef\u4ee5\u7528\u7eaf\u6587\u672c\u683c\u5f0f\u7c98\u8d34\uff0c\u90a3\u4e48\u5b83\u5c31\u6709\u4e24\u4e2a MIME \u7c7b\u578b\uff08<code>text\/html<\/code>\u548c<code>text\/plain<\/code>\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>ClipboardItem.getType(type)<\/code>\u65b9\u6cd5\u7528\u4e8e\u8bfb\u53d6\u526a\u8d34\u9879\u7684\u6570\u636e\uff0c\u8fd4\u56de\u4e00\u4e2a Promise \u5bf9\u8c61\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u526a\u8d34\u9879\u7684 MIME \u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570\uff0c\u8fd4\u56de\u8be5\u7c7b\u578b\u7684\u6570\u636e\uff0c\u8be5\u53c2\u6570\u662f\u5fc5\u9700\u7684\uff0c\u5426\u5219\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.3 Clipboard.writeText()<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Clipboard.writeText()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u6587\u672c\u5185\u5bb9\u5199\u5165\u526a\u8d34\u677f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\ndocument.body.addEventListener(\n  'click',\n  async (e) =&gt; {\n    await navigator.clipboard.writeText('Yo')\n  }\n)\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u793a\u4f8b\u662f\u7528\u6237\u5728\u7f51\u9875\u70b9\u51fb\u540e\uff0c\u811a\u672c\u5411\u526a\u8d34\u677f\u5199\u5165\u6587\u672c\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u65b9\u6cd5\u4e0d\u9700\u8981\u7528\u6237\u8bb8\u53ef\uff0c\u4f46\u662f\u6700\u597d\u4e5f\u653e\u5728<code>try...catch<\/code>\u91cc\u9762\u9632\u6b62\u62a5\u9519\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nasync function copyPageUrl() {\n  try {\n    await navigator.clipboard.writeText(location.href);\n    console.log('Page URL copied to clipboard');\n  } catch (err) {\n    console.error('Failed to copy: ', err);\n  }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4.4 Clipboard.write()<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Clipboard.write()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u4efb\u610f\u6570\u636e\u5199\u5165\u526a\u8d34\u677f\uff0c\u53ef\u4ee5\u662f\u6587\u672c\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e8c\u8fdb\u5236\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a ClipboardItem \u5b9e\u4f8b\u4f5c\u4e3a\u53c2\u6570\uff0c\u8868\u793a\u5199\u5165\u526a\u8d34\u677f\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\ntry {\n  const imgURL = '<a href=\"https:\/\/dummyimage.com\/300.png\">https:\/\/dummyimage.com\/300.png<\/a>';\n  const data = await fetch(imgURL);\n  const blob = await data.blob();\n  await navigator.clipboard.write(&#91;\n    new ClipboardItem({\n      &#91;blob.type]: blob\n    })\n  ]);\n  console.log('Image copied.');\n} catch (err) {\n  console.error(err.name, err.message);\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u793a\u4f8b\u4e2d\uff0c\u811a\u672c\u5411\u526a\u8d34\u677f\u5199\u5165\u4e86\u4e00\u5f20\u56fe\u7247\u3002\u6ce8\u610f\uff0cChrome \u6d4f\u89c8\u5668\u76ee\u524d\u53ea\u652f\u6301\u5199\u5165 PNG \u683c\u5f0f\u7684\u56fe\u7247\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>ClipboardItem()<\/code>\u662f\u6d4f\u89c8\u5668\u539f\u751f\u63d0\u4f9b\u7684\u6784\u9020\u51fd\u6570\uff0c\u7528\u6765\u751f\u6210<code>ClipboardItem<\/code>\u5b9e\u4f8b\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u8be5\u5bf9\u8c61\u7684\u952e\u540d\u662f\u6570\u636e\u7684 MIME \u7c7b\u578b\uff0c\u952e\u503c\u5c31\u662f\u6570\u636e\u672c\u8eab\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u7684\u4f8b\u5b50\u662f\u5c06\u540c\u4e00\u4e2a\u526a\u8d34\u9879\u7684\u591a\u79cd\u683c\u5f0f\u7684\u503c\uff0c\u5199\u5165\u526a\u8d34\u677f\uff0c\u4e00\u79cd\u662f\u6587\u672c\u6570\u636e\uff0c\u53e6\u4e00\u79cd\u662f\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u4f9b\u4e0d\u540c\u7684\u573a\u5408\u7c98\u8d34\u4f7f\u7528\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nfunction copy() {\n  const image = await fetch('kitten.png');\n  const text = new Blob(&#91;'Cute sleeping kitten'], {type: 'text\/plain'});\n  const item = new ClipboardItem({\n    'text\/plain': text,\n    'image\/png': image\n  });\n  await navigator.clipboard.write(&#91;item]);\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001copy \u4e8b\u4ef6\uff0ccut \u4e8b\u4ef6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u6237\u5411\u526a\u8d34\u677f\u653e\u5165\u6570\u636e\u65f6\uff0c\u5c06\u89e6\u53d1<code>copy<\/code>\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u7684\u793a\u4f8b\u662f\u5c06\u7528\u6237\u653e\u5165\u526a\u8d34\u677f\u7684\u6587\u672c\uff0c\u8f6c\u4e3a\u5927\u5199\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nconst source = document.querySelector('.source');\n\nsource.addEventListener('copy', (event) =&gt; {\n  const selection = document.getSelection();\n  event.clipboardData.setData('text\/plain', selection.toString().toUpperCase());\n  event.preventDefault();\n});\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u793a\u4f8b\u4e2d\uff0c\u4e8b\u4ef6\u5bf9\u8c61\u7684<code>clipboardData<\/code>\u5c5e\u6027\u5305\u542b\u4e86\u526a\u8d34\u677f\u6570\u636e\u3002\u5b83\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u6709\u4ee5\u4e0b\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>Event.clipboardData.setData(type, data)<\/code>\uff1a\u4fee\u6539\u526a\u8d34\u677f\u6570\u636e\uff0c\u9700\u8981\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3002<\/li><li><code>Event.clipboardData.getData(type)<\/code>\uff1a\u83b7\u53d6\u526a\u8d34\u677f\u6570\u636e\uff0c\u9700\u8981\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3002<\/li><li><code>Event.clipboardData.clearData([type])<\/code>\uff1a\u6e05\u9664\u526a\u8d34\u677f\u6570\u636e\uff0c\u53ef\u4ee5\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u7c7b\u578b\uff0c\u5c06\u6e05\u9664\u6240\u6709\u7c7b\u578b\u7684\u6570\u636e\u3002<\/li><li><code>Event.clipboardData.items<\/code>\uff1a\u4e00\u4e2a\u7c7b\u4f3c\u6570\u7ec4\u7684\u5bf9\u8c61\uff0c\u5305\u542b\u4e86\u6240\u6709\u526a\u8d34\u9879\uff0c\u4e0d\u8fc7\u901a\u5e38\u53ea\u6709\u4e00\u4e2a\u526a\u8d34\u9879\u3002<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u7684\u793a\u4f8b\u662f\u62e6\u622a\u7528\u6237\u7684\u590d\u5236\u64cd\u4f5c\uff0c\u5c06\u6307\u5b9a\u5185\u5bb9\u653e\u5165\u526a\u8d34\u677f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nconst clipboardItems = &#91;];\n\ndocument.addEventListener('copy', async (e) =&gt; {\n  e.preventDefault();\n  try {\n    let clipboardItems = &#91;];\n    for (const item of e.clipboardData.items) {\n      if (!item.type.startsWith('image\/')) {\n        continue;\n      }\n      clipboardItems.push(\n        new ClipboardItem({\n          &#91;item.type]: item,\n        })\n      );\n      await navigator.clipboard.write(clipboardItems);\n      console.log('Image copied.');\n    }\n  } catch (err) {\n    console.error(err.name, err.message);\n  }\n});\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u793a\u4f8b\u4e2d\uff0c\u5148\u4f7f\u7528<code>e.preventDefault()<\/code>\u53d6\u6d88\u4e86\u526a\u8d34\u677f\u7684\u9ed8\u8ba4\u64cd\u4f5c\uff0c\u7136\u540e\u7531\u811a\u672c\u63a5\u7ba1\u590d\u5236\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>cut<\/code>\u4e8b\u4ef6\u5219\u662f\u5728\u7528\u6237\u8fdb\u884c\u526a\u5207\u64cd\u4f5c\u65f6\u89e6\u53d1\uff0c\u5b83\u7684\u5904\u7406\u8ddf<code>copy<\/code>\u4e8b\u4ef6\u5b8c\u5168\u4e00\u6837\uff0c\u4e5f\u662f\u4ece<code>Event.clipboardData<\/code>\u5c5e\u6027\u62ff\u5230\u526a\u5207\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001paste \u4e8b\u4ef6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u6237\u4f7f\u7528\u526a\u8d34\u677f\u6570\u636e\uff0c\u8fdb\u884c\u7c98\u8d34\u64cd\u4f5c\u65f6\uff0c\u4f1a\u89e6\u53d1<code>paste<\/code>\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u7684\u793a\u4f8b\u662f\u62e6\u622a\u7c98\u8d34\u64cd\u4f5c\uff0c\u7531\u811a\u672c\u5c06\u526a\u8d34\u677f\u91cc\u9762\u7684\u6570\u636e\u53d6\u51fa\u6765\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\ndocument.addEventListener('paste', async (e) =&gt; {\n  e.preventDefault();\n  const text = await navigator.clipboard.readText();\n  console.log('Pasted text: ', text);\n});\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u53c2\u8003\u94fe\u63a5<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/web.dev\/async-clipboard\/\" target=\"_blank\" rel=\"noreferrer noopener\">Unblocking clipboard access<\/a><\/li><li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Add-ons\/WebExtensions\/Interact_with_the_clipboard\" target=\"_blank\" rel=\"noreferrer noopener\">Interact with the clipboard<\/a><\/li><li><a href=\"https:\/\/blog.tomayac.com\/2020\/03\/20\/multi-mime-type-copying-with-the-async-clipboard-api\/\" target=\"_blank\" rel=\"noreferrer noopener\">Multi-MIME Type Copying with the Async Clipboard API<\/a><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u7b80\u4ecb \u6d4f\u89c8\u5668\u5141\u8bb8 JavaScript \u811a\u672c\u8bfb\u5199\u526a\u8d34\u677f\uff0c\u81ea\u52a8\u590d\u5236\u6216\u7c98\u8d34\u5185\u5bb9\u3002 \u4e00\u822c\u6765\u8bf4\uff0c\u811a\u672c\u4e0d\u5e94\u8be5\u6539\u52a8\u7528\u6237 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-18","post","type-post","status-publish","format-standard","hentry","category-js"],"_links":{"self":[{"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/posts\/18","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/comments?post=18"}],"version-history":[{"count":1,"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/posts\/18\/revisions"}],"predecessor-version":[{"id":19,"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/posts\/18\/revisions\/19"}],"wp:attachment":[{"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/media?parent=18"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/categories?post=18"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jpxiao.cn\/index.php\/wp-json\/wp\/v2\/tags?post=18"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}