{"id":25210,"date":"2024-11-21T13:01:16","date_gmt":"2024-11-21T05:01:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25210\/"},"modified":"2024-11-21T13:01:16","modified_gmt":"2024-11-21T05:01:16","slug":"%e6%8e%8c%e6%8f%a1laravel%e4%b8%adhead%e8%af%b7%e6%b1%82%e6%96%b9%e6%b3%95%e7%9a%84%e4%bd%bf%e7%94%a8%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25210\/","title":{"rendered":"\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/170998938569749.jpg\" class=\"aligncenter\" title=\"\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7\u63d2\u56fe\" alt=\"\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7\u63d2\u56fe\" \/><\/p>\n<p>\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7<\/p>\n<p>\u5728\u8fdb\u884cWeb\u5f00\u53d1\u65f6\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u7528\u5230HTTP\u8bf7\u6c42\u65b9\u6cd5\u6765\u548c\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002\u9664\u4e86\u5e38\u89c1\u7684GET\u3001POST\u3001PUT\u3001DELETE\u7b49\u8bf7\u6c42\u65b9\u6cd5\uff0cHEAD\u8bf7\u6c42\u65b9\u6cd5\u4e5f\u662f\u4e00\u4e2a\u5f88\u6709\u7528\u7684HTTP\u65b9\u6cd5\u4e4b\u4e00\u3002\u5728Laravel\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u4f7f\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\u6765\u83b7\u53d6\u8d44\u6e90\u7684\u5934\u90e8\u4fe1\u606f\u800c\u4e0d\u5fc5\u4e0b\u8f7d\u6574\u4e2a\u8d44\u6e90\u5185\u5bb9\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u548c\u51cf\u5c11\u5e26\u5bbd\u6d88\u8017\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Laravel\u4e2d\u4f7f\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\uff0c\u5e76\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5176\u4f7f\u7528\u6280\u5de7\u3002<\/p>\n<h3>1. HEAD\u8bf7\u6c42\u65b9\u6cd5\u7b80\u4ecb<\/h3>\n<p>\u5728HTTP\u534f\u8bae\u4e2d\uff0cHEAD\u8bf7\u6c42\u65b9\u6cd5\u662f\u6307\u8bf7\u6c42\u6307\u5b9a\u8d44\u6e90\u7684\u54cd\u5e94\u5934\u90e8\u4fe1\u606f\uff0c\u800c\u4e0d\u8fd4\u56de\u5b9e\u9645\u7684\u8d44\u6e90\u5185\u5bb9\u3002\u8fd9\u4f7f\u5f97\u5ba2\u6237\u7aef\u53ef\u4ee5\u83b7\u53d6\u8d44\u6e90\u7684\u5143\u6570\u636e\u4fe1\u606f\uff0c\u5982\u8d44\u6e90\u7c7b\u578b\u3001\u5927\u5c0f\u3001\u6700\u8fd1\u4fee\u6539\u65f6\u95f4\u7b49\uff0c\u800c\u65e0\u9700\u4e0b\u8f7d\u6574\u4e2a\u8d44\u6e90\u5185\u5bb9\u3002\u8fd9\u5bf9\u4e8e\u4e00\u4e9b\u7279\u5b9a\u7684\u573a\u666f\u975e\u5e38\u6709\u7528\uff0c\u6bd4\u5982\u5224\u65ad\u8d44\u6e90\u662f\u5426\u5b58\u5728\u3001\u83b7\u53d6\u8d44\u6e90\u7684\u5143\u6570\u636e\u7b49\u3002<\/p>\n<h3>2. \u5728Laravel\u4e2d\u4f7f\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5<\/h3>\n<p>\u5728Laravel\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528IlluminateHttpRequest\u7c7b\u7684head\u65b9\u6cd5\u6765\u53d1\u9001HEAD\u8bf7\u6c42\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>use IlluminateSupportFacadesHttp;\n\n$response = Http::head('http:\/\/example.com\/resource');<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Http::head\u65b9\u6cd5\u53d1\u9001\u4e86\u4e00\u4e2aHEAD\u8bf7\u6c42\u5230http:\/\/example.com\/resource\uff0c\u5e76\u5f97\u5230\u4e86\u670d\u52a1\u5668\u8fd4\u56de\u7684\u54cd\u5e94\u3002<\/p>\n<h3>3. \u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p>\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u5728Laravel\u4e2d\u4f7f\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\u6765\u83b7\u53d6\u8d44\u6e90\u7684\u5934\u90e8\u4fe1\u606f\u3002<\/p>\n<pre>use IlluminateSupportFacadesHttp;\n\n$response = Http::head('http:\/\/example.com\/image.jpeg');\n\nif ($response-&amp;gt;successful()) {\n    $contentLength = $response-&amp;gt;header('Content-Length');\n    $contentType = $response-&amp;gt;header('Content-Type');\n    \n    echo \"Content-Length: $contentLength\n\";\n    echo \"Content-Type: $contentType\n\";\n} else {\n    echo \"Resource not found.\";\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u53d1\u9001\u4e86\u4e00\u4e2aHEAD\u8bf7\u6c42\u5230http:\/\/example.com\/image.jpeg\uff0c\u5e76\u83b7\u53d6\u4e86\u670d\u52a1\u5668\u8fd4\u56de\u7684\u5934\u90e8\u4fe1\u606f\u3002\u5982\u679c\u8bf7\u6c42\u6210\u529f\uff0c\u6211\u4eec\u5c06\u6253\u5370\u51fa\u8d44\u6e90\u7684\u5927\u5c0f\u548c\u7c7b\u578b\uff1b\u5982\u679c\u8d44\u6e90\u4e0d\u5b58\u5728\uff0c\u5c06\u8f93\u51fa&#8221;Resource not found.&#8221;\u3002<\/p>\n<h3>\u7ed3\u8bed<\/h3>\n<p>\u901a\u8fc7\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u52a0\u9ad8\u6548\u5730\u83b7\u53d6\u8d44\u6e90\u7684\u5934\u90e8\u4fe1\u606f\uff0c\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u548c\u8282\u7ea6\u5e26\u5bbd\u6d88\u8017\u3002\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u7075\u6d3b\u8fd0\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\uff0c\u4ece\u800c\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u52a0\u4f18\u8d28\u7684\u7f51\u7edc\u4f53\u9a8c\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7\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>\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7 \u5728\u8fdb\u884cWeb\u5f00\u53d1\u65f6\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u7528\u5230HTTP\u8bf7\u6c42\u65b9\u6cd5\u6765\u548c\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002\u9664\u4e86\u5e38\u89c1\u7684GET\u3001POST\u3001PUT\u3001DELETE\u7b49\u8bf7\u6c42\u65b9\u6cd5\uff0cHEAD\u8bf7\u6c42\u65b9\u6cd5\u4e5f\u662f\u4e00\u4e2a\u5f88\u6709\u7528\u7684HTTP\u65b9\u6cd5\u4e4b\u4e00\u3002\u5728Laravel\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u4f7f\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\u6765\u83b7\u53d6\u8d44\u6e90\u7684\u5934\u90e8\u4fe1\u606f\u800c\u4e0d\u5fc5\u4e0b\u8f7d\u6574\u4e2a\u8d44\u6e90\u5185\u5bb9\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u548c\u51cf\u5c11\u5e26\u5bbd\u6d88\u8017\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Laravel\u4e2d\u4f7f\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\uff0c\u5e76\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5176\u4f7f\u7528\u6280\u5de7\u3002 1. HEAD\u8bf7\u6c42\u65b9\u6cd5\u7b80\u4ecb \u5728HTTP\u534f\u8bae\u4e2d\uff0cHEAD\u8bf7\u6c42\u65b9\u6cd5\u662f\u6307\u8bf7\u6c42\u6307\u5b9a\u8d44\u6e90\u7684\u54cd\u5e94\u5934\u90e8\u4fe1\u606f\uff0c\u800c\u4e0d\u8fd4\u56de\u5b9e\u9645\u7684\u8d44\u6e90\u5185\u5bb9\u3002\u8fd9\u4f7f\u5f97\u5ba2\u6237\u7aef\u53ef\u4ee5\u83b7\u53d6\u8d44\u6e90\u7684\u5143\u6570\u636e\u4fe1\u606f\uff0c\u5982\u8d44\u6e90\u7c7b\u578b\u3001\u5927\u5c0f\u3001\u6700\u8fd1\u4fee\u6539\u65f6\u95f4\u7b49\uff0c\u800c\u65e0\u9700\u4e0b\u8f7d\u6574\u4e2a\u8d44\u6e90\u5185\u5bb9\u3002\u8fd9\u5bf9\u4e8e\u4e00\u4e9b\u7279\u5b9a\u7684\u573a\u666f\u975e\u5e38\u6709\u7528\uff0c\u6bd4\u5982\u5224\u65ad\u8d44\u6e90\u662f\u5426\u5b58\u5728\u3001\u83b7\u53d6\u8d44\u6e90\u7684\u5143\u6570\u636e\u7b49\u3002 2. \u5728Laravel\u4e2d\u4f7f\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5 \u5728Laravel\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528IlluminateHttpRequest\u7c7b\u7684head\u65b9\u6cd5\u6765\u53d1\u9001HEAD\u8bf7\u6c42\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a use IlluminateSupportFacadesHttp; $response = Http::head(&#8216;http:\/\/example.com\/resource&#8217;); \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Http::head\u65b9\u6cd5\u53d1\u9001\u4e86\u4e00\u4e2aHEAD\u8bf7\u6c42\u5230http:\/\/example.com\/resource\uff0c\u5e76\u5f97\u5230\u4e86\u670d\u52a1\u5668\u8fd4\u56de\u7684\u54cd\u5e94\u3002 3. \u5177\u4f53\u4ee3\u7801\u793a\u4f8b \u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u5728Laravel\u4e2d\u4f7f\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\u6765\u83b7\u53d6\u8d44\u6e90\u7684\u5934\u90e8\u4fe1\u606f\u3002 use IlluminateSupportFacadesHttp; $response = Http::head(&#8216;http:\/\/example.com\/image.jpeg&#8217;); if ($response-&amp;gt;successful()) { $contentLength = $response-&amp;gt;header(&#8216;Content-Length&#8217;); $contentType = $response-&amp;gt;header(&#8216;Content-Type&#8217;); echo &#8220;Content-Length: $contentLength &#8220;; echo &#8220;Content-Type: $contentType &#8220;; } else { echo &#8220;Resource not found.&#8221;; } \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u53d1\u9001\u4e86\u4e00\u4e2aHEAD\u8bf7\u6c42\u5230http:\/\/example.com\/image.jpeg\uff0c\u5e76\u83b7\u53d6\u4e86\u670d\u52a1\u5668\u8fd4\u56de\u7684\u5934\u90e8\u4fe1\u606f\u3002\u5982\u679c\u8bf7\u6c42\u6210\u529f\uff0c\u6211\u4eec\u5c06\u6253\u5370\u51fa\u8d44\u6e90\u7684\u5927\u5c0f\u548c\u7c7b\u578b\uff1b\u5982\u679c\u8d44\u6e90\u4e0d\u5b58\u5728\uff0c\u5c06\u8f93\u51fa&#8221;Resource not found.&#8221;\u3002 \u7ed3\u8bed \u901a\u8fc7\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u52a0\u9ad8\u6548\u5730\u83b7\u53d6\u8d44\u6e90\u7684\u5934\u90e8\u4fe1\u606f\uff0c\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u548c\u8282\u7ea6\u5e26\u5bbd\u6d88\u8017\u3002\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u7075\u6d3b\u8fd0\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\uff0c\u4ece\u800c\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u52a0\u4f18\u8d28\u7684\u7f51\u7edc\u4f53\u9a8c\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528HEAD\u8bf7\u6c42\u65b9\u6cd5\u3002 \u4ee5\u4e0a\u5c31\u662f\u638c\u63e1Laravel\u4e2dHEAD\u8bf7\u6c42\u65b9\u6cd5\u7684\u4f7f\u7528\u6280\u5de7\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-25210","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=25210"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25210\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=25210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=25210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=25210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}