{"id":30737,"date":"2022-12-11T16:52:39","date_gmt":"2023-08-31T15:23:39","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e9%94%99%e8%af%af%e5%88%97%e8%a1%a8\/"},"modified":"2025-08-12T20:35:12","modified_gmt":"2025-08-12T12:35:12","slug":"php%e9%94%99%e8%af%af%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e9%94%99%e8%af%af%e5%88%97%e8%a1%a8\/","title":{"rendered":"PHP\u9519\u8bef\u5217\u8868"},"content":{"rendered":"<p>\u6211\u6b63\u5728\u73a9\u513f\u8da3\u5473\u5b9e\u73b0PHP\u3002\uff08\u521d\u5b66\u8005\uff09<br \/>\n\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u6211\u5c06\u5217\u51fa\u6240\u4ea7\u751f\u7684\u9519\u8bef\u3001\u5176\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<h1>\u6267\u884c\u73af\u5883<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Windows\u306e\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3\uff1aWindows 10 Home<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\uff1aPHP 7.4.2<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4f7f\u7528\u3057\u3066\u3044\u308b\u30a8\u30c7\u30a3\u30bf\uff1aVisual Stadio Code<\/ul>\n<h1>\u9519\u8bef\u5217\u8868<\/h1>\n<h3>\u901a\u77e5\uff1a\u672a\u5b9a\u4e49\u7684\u7d22\u5f15<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a8\u30e9\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Notice: Undefined index: A1_No in C:\\xampp~~\\index.php on line 7<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u539f\u56e0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u547c\u3073\u51fa\u3057\u305f\u914d\u5217\u306e\u30ad\u30fc\u304c\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3088\u3002\u3068\u8a00\u3063\u3066\u3044\u308b\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/$_POST[]\u306e\u4e2d\u306e\"A1_No\"\u3092\u8868\u3059<\/span>\r\n<span class=\"nv\">$A1_No<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"A1_No\"<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5bfe\u51e6\u6cd5<\/ul>\n<\/li>\n<\/ul>\n<p>\u914d\u5217\u306e\u30ad\u30fc\u304c\u5fc5\u305a\u30bb\u30c3\u30c8\u3055\u308c\u308b\u3088\u3046\u306b\u4fee\u6b63\u3059\u308b\u3002\uff08\u203b\u4fee\u6b63\u65b9\u6cd5\u306f\u5b9f\u88c5\u306b\u3088\u308b\u305f\u3081\u3001\u3053\u3053\u3067\u306f\u5272\u611b\uff09<br \/>\nisset\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u914d\u5217\u304c\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306e\u5bfe\u51e6\u3092\u57cb\u3081\u8fbc\u3080\u3002\u4ee5\u4e0b\u306e\u4f8b\u306e\u5834\u5408\u306f\u3001\u30a8\u30e9\u30fc\u3092\u7121\u8996\u3059\u308b\u51e6\u7406\u3092\u57cb\u3081\u8fbc\u3080\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/\u30d5\u30a9\u30fc\u30e0\u3088\u308a\u9001\u4fe1\u3055\u308c\u305f\u5024\u3092\u53d6\u5f97\u3059\u308b<\/span>\r\n    <span class=\"nv\">$A1_Yes<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nv\">$A1_No<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nv\">$_POST<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"c1\">\/\/\u914d\u5217\u304c\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306ftrue\u3092\u8fd4\u3059<\/span>\r\n    <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"A1_No\"<\/span><span class=\"p\">])){<\/span>\r\n        <span class=\"nv\">$A1_No<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s2\">\"A1_No\"<\/span><span class=\"p\">];<\/span>\r\n        <span class=\"k\">echo<\/span> <span class=\"s1\">'$_POST[\"A1_No\"]\u306f\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002'<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c1\">\/\/\u30a8\u30e9\u30fc\u5236\u5fa1\u6f14\u7b97\u5b50'@'\uff08\u30a8\u30e9\u30fc\u3092\u7121\u8996\u3059\u308b\uff09<\/span>\r\n        <span class=\"o\">@<\/span><span class=\"nv\">$A1_No<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$A1_No<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u6b63\u5728\u73a9\u513f\u8da3\u5473\u5b9e\u73b0PHP\u3002\uff08\u521d\u5b66\u8005\uff09 \u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u6211\u5c06\u5217\u51fa\u6240\u4ea7\u751f\u7684\u9519\u8bef\u3001\u5176\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5\u3002 \u6267\u884c\u73af\u5883 Wind [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30737","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PHP\u9519\u8bef\u5217\u8868 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8ePHP\u9519\u8bef\u5217\u8868\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u9519\u8bef\u5217\u8868\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" 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