{"id":210,"date":"2023-07-12T13:12:26","date_gmt":"2023-07-12T05:12:26","guid":{"rendered":"https:\/\/www.hyw.life\/?p=210"},"modified":"2025-10-21T17:19:28","modified_gmt":"2025-10-21T09:19:28","slug":"php%e4%bf%9d%e5%ad%98%e8%bf%9c%e7%a8%8b%e5%9b%be%e7%89%87%e6%97%b6%e5%a6%82%e4%bd%95%e9%98%b2%e6%ad%a2%e5%9b%be%e7%89%87%e9%87%8d%e5%a4%8d%e4%bf%9d%e5%ad%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.hyw.life\/?p=210","title":{"rendered":"PHP\u4fdd\u5b58\u8fdc\u7a0b\u56fe\u7247\u65f6\u5982\u4f55\u9632\u6b62\u56fe\u7247\u91cd\u590d\u4fdd\u5b58\uff1f"},"content":{"rendered":"\n<p>\u5728Web\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u4fdd\u5b58\u8fdc\u7a0b\u56fe\u7247\u5230\u672c\u5730\u670d\u52a1\u5668\u4e0a\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528PHP\u7684<code>file_get_contents<\/code>\u51fd\u6570\u6765\u83b7\u53d6\u56fe\u7247\u7684\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u5e76\u4f7f\u7528<code>file_put_contents<\/code>\u51fd\u6570\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u4fdd\u5b58\u4e3a\u56fe\u7247\u6587\u4ef6\u3002\u4f46\u662f\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u8003\u8651\u8fdc\u7a0b\u56fe\u7247\u7684\u91cd\u590d\u4fdd\u5b58\u95ee\u9898\u3002\u5982\u679c\u6709\u591a\u4e2a\u7528\u6237\u540c\u65f6\u4fdd\u5b58\u540c\u4e00\u5f20\u56fe\u7247\uff0c\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u5b58\u50a8\u5927\u91cf\u91cd\u590d\u7684\u56fe\u7247\uff0c\u6d6a\u8d39\u5b58\u50a8\u7a7a\u95f4\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u3002<\/p>\n\n\n\n<span id=\"h2-0\" class=\"heading-anchor\" aria-hidden=\"true\"><\/span><h2 class=\"wp-block-heading\">\u65b9\u6cd5\u4e00\uff1a\u6839\u636e\u56fe\u7247URL\u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d<\/h2>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5bf9\u56fe\u7247\u7684URL\u8fdb\u884c\u4e00\u4e9b\u5904\u7406\uff0c\u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d\u3002\u8fd9\u6837\uff0c\u5373\u4f7f\u591a\u4e2a\u7528\u6237\u4fdd\u5b58\u540c\u4e00\u5f20\u56fe\u7247\uff0c\u7cfb\u7edf\u4e5f\u4f1a\u81ea\u52a8\u5224\u65ad\u662f\u5426\u5df2\u5b58\u5728\u76f8\u540c\u7684\u6587\u4ef6\uff0c\u4ece\u800c\u907f\u514d\u91cd\u590d\u4fdd\u5b58\u3002<\/p>\n\n\n\n<span id=\"h3-1\" class=\"heading-anchor\" aria-hidden=\"true\"><\/span><h3 class=\"wp-block-heading\">\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\nfunction saveImage($url, $savePath)\n{\n    \/\/ \u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d\n    $fileName = md5($url) . '.jpg';\n\n    \/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5df2\u5b58\u5728\n    if (file_exists($savePath . $fileName)) {\n        return false; \/\/ \u6587\u4ef6\u5df2\u5b58\u5728\uff0c\u4e0d\u9700\u8981\u4fdd\u5b58\n    }\n\n    \/\/ \u4fdd\u5b58\u8fdc\u7a0b\u56fe\u7247\u5230\u672c\u5730\u670d\u52a1\u5668\n    $imgData = file_get_contents($url);\n    file_put_contents($savePath . $fileName, $imgData);\n\n    return true;\n}\n\n\/\/ \u8c03\u7528\u793a\u4f8b\n$url = 'http:\/\/example.com\/image.jpg'; \/\/ \u8fdc\u7a0b\u56fe\u7247\u7684URL\n$savePath = '\/path\/to\/save\/'; \/\/ \u4fdd\u5b58\u8def\u5f84\nif (saveImage($url, $savePath)) {\n    echo '\u56fe\u7247\u4fdd\u5b58\u6210\u529f\uff01';\n} else {\n    echo '\u56fe\u7247\u5df2\u5b58\u5728\uff0c\u65e0\u9700\u4fdd\u5b58\uff01';\n}\n?><\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528<code>md5<\/code>\u51fd\u6570\u5bf9\u56fe\u7247\u7684URL\u8fdb\u884c\u54c8\u5e0c\u5904\u7406\uff0c\u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d\u3002\u7136\u540e\uff0c\u6211\u4eec\u68c0\u67e5\u6307\u5b9a\u4fdd\u5b58\u8def\u5f84\u4e0b\u662f\u5426\u5df2\u5b58\u5728\u76f8\u540c\u7684\u6587\u4ef6\u540d\uff0c\u5982\u679c\u5b58\u5728\uff0c\u5219\u8fd4\u56de<code>false<\/code>\uff0c\u8868\u793a\u6587\u4ef6\u5df2\u5b58\u5728\uff0c\u65e0\u9700\u4fdd\u5b58\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>file_get_contents<\/code>\u51fd\u6570\u83b7\u53d6\u8fdc\u7a0b\u56fe\u7247\u7684\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u5e76\u4f7f\u7528<code>file_put_contents<\/code>\u51fd\u6570\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u4fdd\u5b58\u4e3a\u56fe\u7247\u6587\u4ef6\u3002<\/p>\n\n\n\n<span id=\"h2-2\" class=\"heading-anchor\" aria-hidden=\"true\"><\/span><h2 class=\"wp-block-heading\">\u65b9\u6cd5\u4e8c\uff1a\u6839\u636e\u56fe\u7247\u5185\u5bb9\u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d<\/h2>\n\n\n\n<p>\u9664\u4e86\u6839\u636e\u56fe\u7247\u7684URL\u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u6839\u636e\u56fe\u7247\u7684\u5185\u5bb9\u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u907f\u514d\u540c\u4e00\u5f20\u56fe\u7247\u5728\u4e0d\u540c\u7684URL\u4e0b\u88ab\u91cd\u590d\u4fdd\u5b58\u3002<\/p>\n\n\n\n<span id=\"h3-3\" class=\"heading-anchor\" aria-hidden=\"true\"><\/span><h3 class=\"wp-block-heading\">\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\nfunction saveImage($url, $savePath)\n{\n    \/\/ \u83b7\u53d6\u8fdc\u7a0b\u56fe\u7247\u7684\u4e8c\u8fdb\u5236\u6570\u636e\n    $imgData = file_get_contents($url);\n\n    \/\/ \u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d\n    $fileName = md5($imgData) . '.jpg';\n\n    \/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5df2\u5b58\u5728\n    if (file_exists($savePath . $fileName)) {\n        return false; \/\/ \u6587\u4ef6\u5df2\u5b58\u5728\uff0c\u4e0d\u9700\u8981\u4fdd\u5b58\n    }\n\n    \/\/ \u4fdd\u5b58\u8fdc\u7a0b\u56fe\u7247\u5230\u672c\u5730\u670d\u52a1\u5668\n    file_put_contents($savePath . $fileName, $imgData);\n\n    return true;\n}\n\n\/\/ \u8c03\u7528\u793a\u4f8b\n$url = 'http:\/\/example.com\/image.jpg'; \/\/ \u8fdc\u7a0b\u56fe\u7247\u7684URL\n$savePath = '\/path\/to\/save\/'; \/\/ \u4fdd\u5b58\u8def\u5f84\nif (saveImage($url, $savePath)) {\n    echo '\u56fe\u7247\u4fdd\u5b58\u6210\u529f\uff01';\n} else {\n    echo '\u56fe\u7247\u5df2\u5b58\u5728\uff0c\u65e0\u9700\u4fdd\u5b58\uff01';\n}\n?&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528<code>file_get_contents<\/code>\u51fd\u6570\u83b7\u53d6\u8fdc\u7a0b\u56fe\u7247\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>md5<\/code>\u51fd\u6570\u5bf9\u4e8c\u8fdb\u5236\u6570\u636e\u8fdb\u884c\u54c8\u5e0c\u5904\u7406\uff0c\u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d\u3002\u6700\u540e\uff0c\u6211\u4eec\u68c0\u67e5\u6307\u5b9a\u4fdd\u5b58\u8def\u5f84\u4e0b\u662f\u5426\u5df2\u5b58\u5728\u76f8\u540c\u7684\u6587\u4ef6\u540d\uff0c\u5982\u679c\u5b58\u5728\uff0c\u5219\u8fd4\u56de<code>false<\/code>\uff0c\u8868\u793a\u6587\u4ef6\u5df2\u5b58\u5728\uff0c\u65e0\u9700\u4fdd\u5b58\u3002<\/p>\n\n\n\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6839\u636e\u56fe\u7247URL\u6216\u56fe\u7247\u5185\u5bb9\u751f\u6210\u552f\u4e00\u7684\u6587\u4ef6\u540d\u7684\u65b9\u5f0f\uff0c\u6709\u6548\u5730\u9632\u6b62\u8fdc\u7a0b\u56fe\u7247\u7684\u91cd\u590d\u4fdd\u5b58\u3002\u65e0\u8bba\u662f\u6839\u636eURL\u751f\u6210\u6587\u4ef6\u540d\uff0c\u8fd8\u662f\u6839\u636e\u5185\u5bb9\u751f\u6210\u6587\u4ef6\u540d\uff0c\u90fd\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u65b9\u5f0f\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\uff0c\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Web\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u4fdd\u5b58\u8fdc\u7a0b\u56fe\u7247\u5230\u672c\u5730\u670d\u52a1\u5668\u4e0a\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528PHP\u7684file_get_con [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[13],"class_list":["post-210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hd","tag-php"],"_links":{"self":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=210"}],"version-history":[{"count":2,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/210\/revisions"}],"predecessor-version":[{"id":212,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/210\/revisions\/212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/media\/489"}],"wp:attachment":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}