{"id":655,"date":"2025-01-01T18:30:26","date_gmt":"2025-01-01T10:30:26","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=655"},"modified":"2025-01-01T18:30:26","modified_gmt":"2025-01-01T10:30:26","slug":"%e5%9c%a8-javascript-%e5%92%8c-jquery-%e4%b8%ad%ef%bc%8c%e6%80%8e%e6%a0%b7%e6%a3%80%e7%b4%a2%e6%96%87%e4%bb%b6%e7%9a%84%e5%ae%8c%e6%95%b4%e8%b7%af%e5%be%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/01\/01\/%e5%9c%a8-javascript-%e5%92%8c-jquery-%e4%b8%ad%ef%bc%8c%e6%80%8e%e6%a0%b7%e6%a3%80%e7%b4%a2%e6%96%87%e4%bb%b6%e7%9a%84%e5%ae%8c%e6%95%b4%e8%b7%af%e5%be%84%ef%bc%9f\/","title":{"rendered":"\u5728 JavaScript \u548c jQuery \u4e2d\uff0c\u600e\u6837\u68c0\u7d22\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\uff1f"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5728 JavaScript \u548c jQuery \u4e2d\uff0c\u68c0\u7d22\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\u901a\u5e38\u53d6\u51b3\u4e8e\u5177\u4f53\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u60c5\u51b5\u4ee5\u53ca\u76f8\u5e94\u7684\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u83b7\u53d6\u7528\u6237\u9009\u62e9\u7684\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\uff08\u6d4f\u89c8\u5668\u4e2d\u7684\u6587\u4ef6\u9009\u62e9\uff09<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7528\u6237\u9009\u62e9\u6587\u4ef6\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 <code>&lt;input type=\"file\"&gt;<\/code> \u5143\u7d20\u6765\u68c0\u7d22\u6587\u4ef6\u7684\u8def\u5f84\u3002\u4e0d\u8fc7\u9700\u8981\u6ce8\u610f\uff0c\u6d4f\u89c8\u5668\u51fa\u4e8e\u5b89\u5168\u6027\u539f\u56e0\uff0c<strong>\u4e0d\u5141\u8bb8\u83b7\u53d6\u5b8c\u6574\u7684\u6587\u4ef6\u8def\u5f84<\/strong>\u3002\u4f60\u53ea\u80fd\u8bbf\u95ee\u6587\u4ef6\u7684\u540d\u79f0\u3001\u5927\u5c0f\u3001\u7c7b\u578b\u7b49\u5143\u6570\u636e\u3002\u8fd9\u91cc\u7684\u201c\u8def\u5f84\u201d\u901a\u5e38\u6307\u7684\u662f\u6587\u4ef6\u540d\uff0c\u800c\u4e0d\u662f\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1.1 \u4f7f\u7528 JavaScript \u83b7\u53d6\u6587\u4ef6\u8def\u5f84\uff08\u6587\u4ef6\u540d\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;input type=\"file\" id=\"fileInput\" \/&gt;\n\n&lt;script&gt;\n  document.getElementById('fileInput').addEventListener('change', function(event) {\n    const file = event.target.files&#91;0];\n    if (file) {\n      console.log('File name: ', file.name); \/\/ \u6587\u4ef6\u540d\n      console.log('File type: ', file.type); \/\/ \u6587\u4ef6\u7c7b\u578b\n      console.log('File size: ', file.size); \/\/ \u6587\u4ef6\u5927\u5c0f\n    }\n  });\n&lt;\/script&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">1.2 \u4f7f\u7528 jQuery \u83b7\u53d6\u6587\u4ef6\u8def\u5f84\uff08\u6587\u4ef6\u540d\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;input type=\"file\" id=\"fileInput\" \/&gt;\n\n&lt;script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"&gt;&lt;\/script&gt;\n&lt;script&gt;\n  $('#fileInput').on('change', function(event) {\n    const file = event.target.files&#91;0];\n    if (file) {\n      console.log('File name: ', file.name); \/\/ \u6587\u4ef6\u540d\n      console.log('File type: ', file.type); \/\/ \u6587\u4ef6\u7c7b\u578b\n      console.log('File size: ', file.size); \/\/ \u6587\u4ef6\u5927\u5c0f\n    }\n  });\n&lt;\/script&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u6ce8\u610f\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c\u6d4f\u89c8\u5668\u4e0d\u5141\u8bb8\u4f60\u901a\u8fc7 JavaScript \u83b7\u53d6\u5230\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\u3002<code>file.name<\/code> \u4f1a\u8fd4\u56de\u6587\u4ef6\u540d\uff0c\u4f46\u5e76\u4e0d\u4f1a\u8fd4\u56de\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\uff08\u4f8b\u5982\uff0c<code>C:\/Users\/...<\/code>\uff09\u3002<\/li>\n\n\n\n<li>\u5728\u4e00\u4e9b\u6d4f\u89c8\u5668\u4e2d\uff08\u5c24\u5176\u662f\u65e7\u7248\u6d4f\u89c8\u5668\uff09\uff0c\u4f60\u53ef\u80fd\u4f1a\u770b\u5230 <code>input<\/code> \u5143\u7d20\u8fd4\u56de\u7684\u662f\u7c7b\u4f3c <code>C:\\fakepath\\filename<\/code> \u7684\u8def\u5f84\uff0c\u4f46\u8fd9\u79cd\u8def\u5f84\u5e76\u4e0d\u662f\u771f\u6b63\u7684\u6587\u4ef6\u8def\u5f84\uff0c\u53ea\u662f\u4e3a\u4e86\u517c\u5bb9\u6027\u505a\u7684\u6a21\u62df\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u83b7\u53d6\u5f53\u524d\u9875\u9762\u7684 URL \u6216\u8d44\u6e90\u7684\u8def\u5f84<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u5e0c\u671b\u83b7\u53d6\u5f53\u524d\u9875\u9762\u7684 URL \u6216\u5176\u4ed6\u8d44\u6e90\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2.1 \u4f7f\u7528 JavaScript \u83b7\u53d6\u5f53\u524d\u9875\u9762\u7684\u5b8c\u6574\u8def\u5f84<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>console.log(window.location.href); 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