{"id":16936,"date":"2024-11-18T14:30:45","date_gmt":"2024-11-18T06:30:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16936\/"},"modified":"2024-11-18T14:30:45","modified_gmt":"2024-11-18T06:30:45","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%98%b2%e5%be%a1%ef%bc%9a%e4%bf%9d%e6%8a%a4web%e6%8e%a5%e5%8f%a3%e5%85%8d%e5%8f%97%e6%81%b6%e6%84%8f%e6%96%87%e4%bb%b6%e4%b8%8a%e4%bc%a0%e6%94%bb%e5%87%bb%e3%80%82","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16936\/","title":{"rendered":"Linux\u670d\u52a1\u5668\u9632\u5fa1\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u3002"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/169422159938506.jpg\" class=\"aligncenter\" title=\"Linux\u670d\u52a1\u5668\u9632\u5fa1\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u3002\u63d2\u56fe\" alt=\"Linux\u670d\u52a1\u5668\u9632\u5fa1\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u3002\u63d2\u56fe\" \/><\/p>\n<p>Linux\u670d\u52a1\u5668\u9632\u5fa1\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb<\/p>\n<p>\u8fd1\u5e74\u6765\uff0c\u968f\u7740\u7f51\u7edc\u7684\u666e\u53ca\u548c\u53d1\u5c55\uff0cWeb\u5e94\u7528\u7a0b\u5e8f\u7684\u4f7f\u7528\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u3002\u7136\u800c\uff0c\u4e0e\u4e4b\u4f34\u968f\u800c\u6765\u7684\u662f\u5404\u79cd\u5b89\u5168\u5a01\u80c1\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u3002\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u5411\u670d\u52a1\u5668\u4e0a\u4f20\u5305\u542b\u6076\u610f\u4ee3\u7801\u7684\u6587\u4ef6\uff0c\u4ece\u800c\u83b7\u53d6\u670d\u52a1\u5668\u6743\u9650\u6216\u8005\u4f20\u64ad\u6076\u610f\u5185\u5bb9\u3002<\/p>\n<p>\u4e3a\u4e86\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u4e00\u4e9b\u6709\u6548\u7684\u9632\u5fa1\u63aa\u65bd\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u9632\u5fa1\u65b9\u6cd5\u5e76\u63d0\u4f9b\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<ol>\n<li>\u6587\u4ef6\u7c7b\u578b\u68c0\u67e5<\/li>\n<\/ol>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u4e0a\u4f20\u6587\u4ef6\u7684\u6587\u4ef6\u7c7b\u578b\u6765\u8fc7\u6ee4\u6076\u610f\u6587\u4ef6\u3002\u5728\u670d\u52a1\u5668\u7aef\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Fileinfo\u6269\u5c55\u6216\u8005mime_content_type()\u51fd\u6570\u6765\u83b7\u53d6\u4e0a\u4f20\u6587\u4ef6\u7684MIME\u7c7b\u578b\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4e0e\u767d\u540d\u5355\u8fdb\u884c\u6bd4\u8f83\uff0c\u53ea\u5141\u8bb8\u7279\u5b9a\u7684\u6587\u4ef6\u7c7b\u578b\u4e0a\u4f20\uff0c\u5176\u4ed6\u7c7b\u578b\u7684\u6587\u4ef6\u5c06\u88ab\u62d2\u7edd\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;?php $allowedTypes = array('image\/jpeg', 'image\/png', 'image\/gif');\n$uploadedFile = $_FILES['file'];\n\nif (in_array(mime_content_type($uploadedFile['tmp_name']), $allowedTypes)) {\n    \/\/ \u5141\u8bb8\u6587\u4ef6\u4e0a\u4f20\n} else {\n    \/\/ \u62d2\u7edd\u6587\u4ef6\u4e0a\u4f20\n}\n\n?&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u6587\u4ef6\u540d\u68c0\u67e5<\/li>\n<\/ol>\n<p>\u9664\u4e86\u6587\u4ef6\u7c7b\u578b\u68c0\u67e5\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5bf9\u4e0a\u4f20\u7684\u6587\u4ef6\u540d\u8fdb\u884c\u68c0\u67e5\u3002\u653b\u51fb\u8005\u5e38\u5e38\u4f7f\u7528\u5177\u6709\u4f2a\u88c5\u6027\u7684\u6587\u4ef6\u540d\u6765\u6b3a\u9a97\u670d\u52a1\u5668\u3002\u4f8b\u5982\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5c06shell.php\u6587\u4ef6\u91cd\u547d\u540d\u4e3ashell.jpg\u6765\u7ed5\u8fc7\u6587\u4ef6\u7c7b\u578b\u68c0\u67e5\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u68c0\u67e5\u6587\u4ef6\u540d\u7684\u6269\u5c55\u540d\u662f\u5426\u4e0e\u6587\u4ef6\u7c7b\u578b\u76f8\u5339\u914d\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;?php $allowedExtensions = array('jpg', 'jpeg', 'png', 'gif');\n$uploadedFile = $_FILES['file'];\n\n$fileInfo = pathinfo($uploadedFile['name']);\n\nif (in_array(strtolower($fileInfo['extension']), $allowedExtensions)) {\n    \/\/ \u5141\u8bb8\u6587\u4ef6\u4e0a\u4f20\n} else {\n    \/\/ \u62d2\u7edd\u6587\u4ef6\u4e0a\u4f20\n}\n\n?&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u6587\u4ef6\u5927\u5c0f\u9650\u5236<\/li>\n<\/ol>\n<p>\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u9650\u5236\u4e0a\u4f20\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u4ee5\u9632\u6b62\u653b\u51fb\u8005\u4e0a\u4f20\u8fc7\u5927\u7684\u6587\u4ef6\u6d88\u8017\u670d\u52a1\u5668\u8d44\u6e90\u6216\u8005\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7PHP\u7684ini_set()\u51fd\u6570\u6765\u4fee\u6539php.ini\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u4e0a\u4f20\u6587\u4ef6\u5927\u5c0f\u9650\u5236\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;?php ini_set('upload_max_filesize', '2M');\nini_set('post_max_size', '2M');\n\n?&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u6587\u4ef6\u5b58\u50a8\u4f4d\u7f6e<\/li>\n<\/ol>\n<p>\u6700\u540e\uff0c\u4e3a\u4e86\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\uff0c\u6211\u4eec\u9700\u8981\u5c06\u4e0a\u4f20\u7684\u6587\u4ef6\u5b58\u50a8\u5728\u5b89\u5168\u7684\u4f4d\u7f6e\u3002\u9996\u5148\uff0c\u6211\u4eec\u5e94\u8be5\u5c06\u6587\u4ef6\u5b58\u50a8\u5728\u670d\u52a1\u5668\u6839\u76ee\u5f55\u4e4b\u5916\uff0c\u4ee5\u9632\u6b62\u653b\u51fb\u8005\u76f4\u63a5\u8bbf\u95ee\u4e0a\u4f20\u7684\u6587\u4ef6\u3002\u5176\u6b21\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u6587\u4ef6\u5b58\u50a8\u8def\u5f84\u4e2d\u4f7f\u7528\u968f\u673a\u5b57\u7b26\u4e32\u6216\u8005\u6563\u5217\u503c\uff0c\u4ee5\u589e\u52a0\u6587\u4ef6\u8def\u5f84\u7684\u731c\u6d4b\u96be\u5ea6\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;?php $uploadedFile = $_FILES['file'];\n$targetDirectory = '\/path\/to\/uploads\/';\n$targetFileName = md5(uniqid()) . '-' . basename($uploadedFile['name']);\n$targetPath = $targetDirectory . $targetFileName;\n\nif (move_uploaded_file($uploadedFile['tmp_name'], $targetPath)) {\n    \/\/ \u6587\u4ef6\u4e0a\u4f20\u6210\u529f\n} else {\n    \/\/ \u6587\u4ef6\u4e0a\u4f20\u5931\u8d25\n}\n\n?&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u603b\u7ed3\uff1a<\/p>\n<p>\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u5bf9\u670d\u52a1\u5668\u5b89\u5168\u6784\u6210\u4e86\u4e25\u91cd\u5a01\u80c1\u3002\u4e3a\u4e86\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u8be5\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u4e00\u7cfb\u5217\u9632\u5fa1\u63aa\u65bd\uff0c\u5305\u62ec\u6587\u4ef6\u7c7b\u578b\u68c0\u67e5\u3001\u6587\u4ef6\u540d\u68c0\u67e5\u3001\u6587\u4ef6\u5927\u5c0f\u9650\u5236\u4ee5\u53ca\u6587\u4ef6\u5b58\u50a8\u4f4d\u7f6e\u7684\u5408\u7406\u8bbe\u7f6e\u3002<\/p>\n<p>\u7136\u800c\uff0c\u4ec5\u4f9d\u9760\u8fd9\u4e9b\u9632\u5fa1\u63aa\u65bd\u4e0d\u80fd\u4fdd\u8bc1\u7edd\u5bf9\u5b89\u5168\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u8fd8\u5e94\u5b9a\u671f\u66f4\u65b0\u670d\u52a1\u5668\u8f6f\u4ef6\u3001\u76d1\u63a7\u670d\u52a1\u5668\u65e5\u5fd7\u3001\u53ca\u65f6\u4fee\u590d\u6f0f\u6d1e\u7b49\uff0c\u4ee5\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u901a\u8fc7\u6709\u6548\u7684\u9632\u5fa1\u624b\u6bb5\u548c\u826f\u597d\u7684\u5b89\u5168\u5b9e\u8df5\uff0c\u6211\u4eec\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u4fdd\u62a4Web\u63a5\u53e3\u4e0d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u7684\u5a01\u80c1\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLinux\u670d\u52a1\u5668\u9632\u5fa1\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u3002\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u670d\u52a1\u5668\u9632\u5fa1\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb \u8fd1\u5e74\u6765\uff0c\u968f\u7740\u7f51\u7edc\u7684\u666e\u53ca\u548c\u53d1\u5c55\uff0cWeb\u5e94\u7528\u7a0b\u5e8f\u7684\u4f7f\u7528\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u3002\u7136\u800c\uff0c\u4e0e\u4e4b\u4f34\u968f\u800c\u6765\u7684\u662f\u5404\u79cd\u5b89\u5168\u5a01\u80c1\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u3002\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u5411\u670d\u52a1\u5668\u4e0a\u4f20\u5305\u542b\u6076\u610f\u4ee3\u7801\u7684\u6587\u4ef6\uff0c\u4ece\u800c\u83b7\u53d6\u670d\u52a1\u5668\u6743\u9650\u6216\u8005\u4f20\u64ad\u6076\u610f\u5185\u5bb9\u3002 \u4e3a\u4e86\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u6076\u610f\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u4e00\u4e9b\u6709\u6548\u7684\u9632\u5fa1\u63aa\u65bd\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u9632\u5fa1\u65b9\u6cd5\u5e76\u63d0\u4f9b\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\u3002 \u6587\u4ef6\u7c7b\u578b\u68c0\u67e5 \u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u4e0a\u4f20\u6587\u4ef6\u7684\u6587\u4ef6\u7c7b\u578b\u6765\u8fc7\u6ee4\u6076\u610f\u6587\u4ef6\u3002\u5728\u670d\u52a1\u5668\u7aef\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Fileinfo\u6269\u5c55\u6216\u8005mime_content_type()\u51fd\u6570\u6765\u83b7\u53d6\u4e0a\u4f20\u6587\u4ef6\u7684MIME\u7c7b\u578b\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4e0e\u767d\u540d\u5355\u8fdb\u884c\u6bd4\u8f83\uff0c\u53ea\u5141\u8bb8\u7279\u5b9a\u7684\u6587\u4ef6\u7c7b\u578b\u4e0a\u4f20\uff0c\u5176\u4ed6\u7c7b\u578b\u7684\u6587\u4ef6\u5c06\u88ab\u62d2\u7edd\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a &lt;?php $allowedTypes = array(&#8216;image\/jpeg&#8217;, &#8216;image\/png&#8217;, &#8216;image\/gif&#8217;); $uploadedFile = $_FILES[&#8216;file&#8217;]; if (in_array(mime_content_type($uploadedFile[&#8216;tmp_name&#8217;]), $allowedTypes)) { \/\/ \u5141\u8bb8\u6587\u4ef6\u4e0a\u4f20 } else { \/\/ \u62d2\u7edd\u6587\u4ef6\u4e0a\u4f20 } ?&gt; \u767b\u5f55\u540e\u590d\u5236 \u6587\u4ef6\u540d\u68c0\u67e5 \u9664\u4e86\u6587\u4ef6\u7c7b\u578b\u68c0\u67e5\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5bf9\u4e0a\u4f20\u7684\u6587\u4ef6\u540d\u8fdb\u884c\u68c0\u67e5\u3002\u653b\u51fb\u8005\u5e38\u5e38\u4f7f\u7528\u5177\u6709\u4f2a\u88c5\u6027\u7684\u6587\u4ef6\u540d\u6765\u6b3a\u9a97\u670d\u52a1\u5668\u3002\u4f8b\u5982\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5c06shell.php\u6587\u4ef6\u91cd\u547d\u540d\u4e3ashell.jpg\u6765\u7ed5\u8fc7\u6587\u4ef6\u7c7b\u578b\u68c0\u67e5\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u68c0\u67e5\u6587\u4ef6\u540d\u7684\u6269\u5c55\u540d\u662f\u5426\u4e0e\u6587\u4ef6\u7c7b\u578b\u76f8\u5339\u914d\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a &lt;?php $allowedExtensions = array(&#8216;jpg&#8217;, &#8216;jpeg&#8217;, &#8216;png&#8217;, &#8216;gif&#8217;); 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