{"id":30284,"date":"2023-07-17T06:29:36","date_gmt":"2023-07-10T16:36:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%88%86%e9%a1%b5\/"},"modified":"2025-08-12T18:27:29","modified_gmt":"2025-08-12T10:27:29","slug":"%e3%80%90php%e3%80%91%e5%88%86%e9%a1%b5","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%88%86%e9%a1%b5\/","title":{"rendered":"\u3010PHP\u3011\u5206\u9875"},"content":{"rendered":"<p>PHP\u3067\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3057\u307e\u3057\u305f\u3002<br \/>\n\u914d\u5217\u3067\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3057\u3066\u3001\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u30dc\u30bf\u30f3\u306b\u3088\u3063\u3066\u8868\u793a\u3092\u6761\u4ef6\u5206\u5c90\u3059\u308b\u51e6\u7406\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d068337434c4406bdc202\/1-0.gif\" alt=\"pagenation02-min.gif\" \/><\/p>\n<h1>\u6574\u4e2a\u5f62\u8c61<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d068337434c4406bdc202\/3-1.png\" alt=\"image.png\" \/>\u90a3\u4e48\uff0c\u6211\u4eec\u5c06\u5b9e\u9645\u8fdb\u884c\u5b9e\u65bd\u3002<\/p>\n<h2>\u5c06\u6570\u636e\u5206\u914d\u5230\u6bcf\u4e2a\u533a\u5757\u4e2d\u5148\u307b\u3069\u8aac\u660e\u3057\u305f\u3001\u914d\u5217$block\u3092\u3064\u304f\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305a\u306f\u3001\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3067\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3055\u305b\u308b\u4e00\u89a7\u753b\u9762\u304b\u3089\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"nv\">$block<\/span><span class=\"o\">=<\/span><span class=\"nf\">pagination_block<\/span><span class=\"p\">(<\/span><span class=\"nv\">$posts<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"k\">global<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nb\">empty<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'block'<\/span><span class=\"p\">])){<\/span>\r\n  <span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'block'<\/span><span class=\"p\">])){<\/span>\r\n<span class=\"k\">switch<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'block'<\/span><span class=\"p\">]){<\/span>\r\n  <span class=\"k\">case<\/span> <span class=\"s1\">'\u00ab'<\/span><span class=\"o\">:<\/span>\r\n    <span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">--<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">case<\/span> <span class=\"s1\">'\u00bb'<\/span><span class=\"o\">:<\/span>\r\n    <span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">default<\/span><span class=\"o\">:<\/span>\r\n  <span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'block'<\/span><span class=\"p\">]<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$block<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]))<\/span><span class=\"o\">:<\/span>\r\n  <span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$block<\/span><span class=\"p\">[<\/span><span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]]<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$post<\/span><span class=\"p\">)<\/span><span class=\"o\">:<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<span class=\"nt\">&lt;div<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"post\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\u3000<span class=\"nt\">&lt;p&gt;<\/span><span class=\"cp\">&lt;?=<\/span> <span class=\"nv\">$post<\/span><span class=\"p\">[<\/span><span class=\"s1\">'text'<\/span><span class=\"p\">]<\/span> <span class=\"cp\">?&gt;<\/span><span class=\"nt\">&lt;\/p&gt;<\/span>\r\n  <span class=\"nt\">&lt;img<\/span> <span class=\"na\">src=<\/span><span class=\"s\">\"\/post\/image\/<\/span><span class=\"cp\">&lt;?=<\/span> <span class=\"nv\">$post<\/span><span class=\"p\">[<\/span><span class=\"s1\">'image'<\/span><span class=\"p\">]<\/span> <span class=\"cp\">?&gt;<\/span><span class=\"s\">\"<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">endforeach<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">endif<\/span><span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>foreach\u95a2\u6570\u3067$block\u306e\u30c7\u30fc\u30bf\u3092\u9806\u306b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n$_POST[&#8216;block&#8217;]\u3067$_SESSION[$i]\u306e\u5024\u3092\u66f4\u65b0\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u3053\u3061\u3089\u306f\u5f8c\u307b\u3069\u8aac\u660e\u3057\u307e\u3059\u3002<br \/>\n$posts\u306b\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306a\u6295\u7a3f\u30c7\u30fc\u30bf\u304c\uff17\u3064\u5165\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>Array\r\n(\r\n    [0] =&gt; Array\r\n        (\r\n            [id] =&gt; 7\r\n            [text] =&gt; \u6295\u7a3f01\r\n            [image] =&gt; \r\n            [user_id] =&gt; 38\r\n            [created_at] =&gt; 2021-04-17 10:20:46\r\n\uff1a\r\n\uff1a\r\n    [6] =&gt; Array\r\n        (\r\n            [id] =&gt; 1\r\n            [text] =&gt; \u6295\u7a3f07\r\n            [image] =&gt; \r\n            [user_id] =&gt; 38\r\n            [created_at] =&gt; 2021-04-17 10:20:22\r\n        )\r\n)\r\n<\/code><\/pre>\n<p>\u305d\u308c\u3067\u306f\u3001\u6700\u521d\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308bpagination_block\u95a2\u6570\u304b\u3089\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">function<\/span> <span class=\"n\">pagination_block<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">){<\/span>\r\n  <span class=\"k\">global<\/span> <span class=\"nv\">$block<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nv\">$data_count<\/span><span class=\"o\">=<\/span><span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"nv\">$block_count<\/span><span class=\"o\">=<\/span><span class=\"nb\">ceil<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data_count<\/span><span class=\"o\">\/<\/span><span class=\"mi\">3<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"nv\">$k<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"p\">;<\/span><span class=\"nv\">$i<\/span><span class=\"o\">&lt;<\/span><span class=\"nv\">$block_count<\/span><span class=\"p\">;<\/span><span class=\"nv\">$i<\/span><span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"nv\">$j<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"p\">;<\/span><span class=\"nv\">$j<\/span><span class=\"o\">&lt;<\/span><span class=\"mi\">3<\/span><span class=\"p\">;<\/span><span class=\"nv\">$j<\/span><span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data_count<\/span><span class=\"o\">==<\/span><span class=\"nv\">$k<\/span><span class=\"p\">){<\/span>\r\n            <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"nv\">$block<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">][<\/span><span class=\"nv\">$j<\/span><span class=\"p\">]<\/span><span class=\"o\">=<\/span><span class=\"nv\">$data<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"p\">];<\/span>\r\n        <span class=\"nv\">$k<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"nv\">$block<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>$data_count\u3067\u6295\u7a3f\u6570\u3092\u53d6\u5f97\u3057\u3001$block_count\u3067\u306f$block\u306e\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nfor\u6587\u3067\u30c7\u30fc\u30bf\u3092\uff11\u3064\u305a\u3064$block\u306b\u6e21\u3057\u3066\u3044\u304d\u3001\u5024\u3092\u6e21\u3059\u56de\u6570$k\u304c$data_count\u3068\u540c\u3058\u5024\u306b\u306a\u3063\u305f\u3068\u304d\u306bbreak\u3059\u308b\u3088\u3046\u306a\u51e6\u7406\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b$j\u306f\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3067\u8868\u793a\u3059\u308b\u30c7\u30fc\u30bf\u6570\u3092\u6c7a\u3081\u3066\u304a\u308a\u3001\u4eca\u56de\u306f\uff13\u6295\u7a3f\u305a\u3064\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3067\u3001$block\u306b\uff13\u6295\u7a3f\u305a\u3064\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<br \/>\n\u305d\u308c\u3067\u306f\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30dc\u30bf\u30f3\u3092\u4f5c\u6210\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u5236\u4f5c\u5206\u9875\u6309\u94ae<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span> \r\n<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$block<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]))<\/span><span class=\"o\">:<\/span>\r\n    <span class=\"nv\">$block_count<\/span><span class=\"o\">=<\/span><span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$block<\/span><span class=\"p\">);<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n\r\n    <span class=\"nt\">&lt;form<\/span> <span class=\"na\">method=<\/span><span class=\"s\">\"post\"<\/span> <span class=\"na\">action=<\/span><span class=\"s\">\"#\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    <span class=\"nt\">&lt;nav<\/span> <span class=\"na\">aria-label=<\/span><span class=\"s\">\"Page navigation\"<\/span><span class=\"nt\">&gt;<\/span>\r\n      <span class=\"nt\">&lt;ul<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"pagination justify-content-center pagination-lg\"<\/span><span class=\"nt\">&gt;<\/span>\r\n        <span class=\"nt\">&lt;li<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-item\"<\/span><span class=\"nt\">&gt;<\/span>\r\n            <span class=\"cp\">&lt;?php<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">==<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span><span class=\"o\">:<\/span><span class=\"cp\">?&gt;<\/span>\r\n                <span class=\"nt\">&lt;input<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-link first\"<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\"block\"<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"&amp;laquo;\"<\/span> <span class=\"na\">disabled<\/span><span class=\"nt\">&gt;<\/span>\r\n            <span class=\"cp\">&lt;?php<\/span> <span class=\"k\">else<\/span><span class=\"o\">:<\/span><span class=\"cp\">?&gt;<\/span>\r\n                <span class=\"nt\">&lt;input<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-link\"<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\"block\"<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"&amp;laquo;\"<\/span><span class=\"nt\">&gt;<\/span>\r\n            <span class=\"cp\">&lt;?php<\/span> <span class=\"k\">endif<\/span><span class=\"p\">;<\/span><span class=\"cp\">?&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/li&gt;<\/span>\r\n\r\n        <span class=\"cp\">&lt;?php<\/span> <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"nv\">$l<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span><span class=\"nv\">$l<\/span><span class=\"o\">&lt;<\/span><span class=\"nv\">$block_count<\/span><span class=\"o\">+<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span><span class=\"nv\">$l<\/span><span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"k\">print<\/span><span class=\"s1\">'&lt;li class=\"page-item\"&gt;&lt;input class=\"page-link\" name=\"block\" type=\"submit\" value=\"'<\/span><span class=\"mf\">.<\/span><span class=\"nv\">$l<\/span><span class=\"mf\">.<\/span><span class=\"s1\">'\"&gt;&lt;\/li&gt;'<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span><span class=\"cp\">?&gt;<\/span>\r\n        <span class=\"nt\">&lt;li<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-item\"<\/span><span class=\"nt\">&gt;<\/span>\r\n        <span class=\"nt\">&lt;li<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-item\"<\/span><span class=\"nt\">&gt;<\/span>\r\n            <span class=\"cp\">&lt;?php<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">==<\/span><span class=\"nv\">$block_count<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"o\">:<\/span><span class=\"cp\">?&gt;<\/span>\r\n                <span class=\"nt\">&lt;input<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-link last\"<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\"block\"<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"&amp;raquo;\"<\/span> <span class=\"na\">disabled<\/span><span class=\"nt\">&gt;<\/span>\r\n            <span class=\"cp\">&lt;?php<\/span> <span class=\"k\">else<\/span><span class=\"o\">:<\/span><span class=\"cp\">?&gt;<\/span>\r\n                <span class=\"nt\">&lt;input<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-link\"<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\"block\"<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"&amp;raquo;\"<\/span><span class=\"nt\">&gt;<\/span>\r\n            <span class=\"cp\">&lt;?php<\/span> <span class=\"k\">endif<\/span><span class=\"p\">;<\/span><span class=\"cp\">?&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/li&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/li&gt;<\/span>\r\n      <span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/nav&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/form&gt;<\/span>\r\n    <span class=\"cp\">&lt;?php<\/span> <span class=\"k\">endif<\/span><span class=\"p\">;<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5e03\u5c40\u4f7f\u7528\u4e86Bootstrap4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$block<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]))<\/span><span class=\"o\">:<\/span>\r\n<span class=\"err\">\uff1a<\/span>\r\n<span class=\"o\">&lt;?<\/span><span class=\"n\">php<\/span> <span class=\"k\">endif<\/span><span class=\"p\">;<\/span> <span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c $block[0] \u7684\u6570\u636e\u4e3a\u7a7a\uff0c\u5219\u4e0d\u663e\u793a\u6309\u94ae\u3002<\/p>\n<pre class=\"post-pre\"><code>\uff1a\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"nv\">$l<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span><span class=\"nv\">$l<\/span><span class=\"o\">&lt;<\/span><span class=\"nv\">$block_count<\/span><span class=\"o\">+<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span><span class=\"nv\">$l<\/span><span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n <span class=\"k\">print<\/span><span class=\"s1\">'&lt;li class=\"page-item\"&gt;&lt;input class=\"page-link\" name=\"block\" type=\"submit\" value=\"'<\/span><span class=\"mf\">.<\/span><span class=\"nv\">$l<\/span><span class=\"mf\">.<\/span><span class=\"s1\">'\"&gt;&lt;\/li&gt;'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span><span class=\"cp\">?&gt;<\/span>\r\n\uff1a\r\n<\/code><\/pre>\n<p>\u3053\u3061\u3089\u3067$block\u306e\u8981\u7d20\u6570\u3060\u3051\u30dc\u30bf\u30f3\u3092\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u3057\u3001value=&#8221;&#8216;.$l.'&#8221;\u3067\u30dc\u30bf\u30f3\u306b\u8868\u793a\u3059\u308b\u5024\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>\uff1a\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">==<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span><span class=\"o\">:<\/span><span class=\"cp\">?&gt;<\/span>\r\n <span class=\"nt\">&lt;input<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-link first\"<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\"block\"<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"&amp;laquo;\"<\/span> <span class=\"na\">disabled<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">else<\/span><span class=\"o\">:<\/span><span class=\"cp\">?&gt;<\/span>\r\n\uff1a\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">==<\/span><span class=\"nv\">$block_count<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"o\">:<\/span><span class=\"cp\">?&gt;<\/span>\r\n <span class=\"nt\">&lt;input<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"page-link last\"<\/span> <span class=\"na\">name=<\/span><span class=\"s\">\"block\"<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"&amp;raquo;\"<\/span> <span class=\"na\">disabled<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"cp\">&lt;?php<\/span> <span class=\"k\">else<\/span><span class=\"o\">:<\/span><span class=\"cp\">?&gt;<\/span>\r\n\uff1a\r\n<\/code><\/pre>\n<p>\u5f53 $block \u7684\u53c2\u6570\u4e3a0\u65f6\uff0c\u5c06\u201c\u4e0b\u4e00\u9875\u201d\u6309\u94ae\u8bbe\u5b9a\u4e3a\u65e0\u6548\uff1b\u5f53\u53c2\u6570\u4e3a $block \u7684\u5143\u7d20\u6570\u91cf\u51cf1\u65f6\uff0c\u5c06\u201c\u4e0a\u4e00\u9875\u201d\u6309\u94ae\u8bbe\u5b9a\u4e3a\u65e0\u6548\u3002<\/p>\n<p>\u5f53$_POST[&#8216;block&#8217;]\u88ab\u70b9\u51fb\u65f6\uff0c\u5c06\u5b9e\u65bd\u4f7f$_SESSION[$i]\u7684\u503c\u53d1\u751f\u53d8\u5316\u7684\u5904\u7406\u3002<\/p>\n<p>\u56de\u5230\u4e4b\u524d\u7684post_list.php\u9875\u9762\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'block'<\/span><span class=\"p\">])){<\/span>\r\n <span class=\"k\">switch<\/span><span class=\"p\">(<\/span><span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'block'<\/span><span class=\"p\">]){<\/span>\r\n   <span class=\"k\">case<\/span> <span class=\"s1\">'\u00ab'<\/span><span class=\"o\">:<\/span>\r\n     <span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">--<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">case<\/span> <span class=\"s1\">'\u00bb'<\/span><span class=\"o\">:<\/span>\r\n     <span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">default<\/span><span class=\"o\">:<\/span>\r\n     <span class=\"nv\">$_SESSION<\/span><span class=\"p\">[<\/span><span class=\"nv\">$i<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$_POST<\/span><span class=\"p\">[<\/span><span class=\"s1\">'block'<\/span><span class=\"p\">]<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u70b9\u51fb\u7684\u6309\u94ae\u5c06\u4f1a\u66f4\u65b0$_SESSION[$i]\u7684\u503c\uff0c\u66f4\u65b0\u65b9\u5f0f\u5982\u4e0b\u8868\u6240\u793a\u3002<\/p>\n<div>\n<div class=\"post-table\"><code>$_POST['block']<\/code><code>$_SESSION[$i]<\/code>&lt;&lt;(\u6b21\u30da\u30fc\u30b8)\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8&gt;&gt;(\u524d\u30da\u30fc\u30b8)\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u30da\u30fc\u30b8\u6307\u5b9a\u30dc\u30bf\u30f3\u30dc\u30bf\u30f3\u306e\u5024 &#8211; 1<br \/>\n\u901a\u8fc7\u70b9\u51fb\u6309\u94ae\uff0c\u73b0\u5728$_POST[&#8216;block&#8217;]\u7684\u53c2\u6570\u5f97\u5230\u66f4\u65b0\uff0c\u5e76\u4e14\u663e\u793a\u7684\u6570\u636e\u4e5f\u88ab\u6539\u53d8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u3067\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3057\u307e\u3057\u305f\u3002 \u914d\u5217\u3067\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3057\u3066\u3001\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u30dc\u30bf\u30f3\u306b\u3088\u3063\u3066\u8868\u793a\u3092\u6761\u4ef6\u5206\u5c90\u3059 [&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-30284","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>\u3010PHP\u3011\u5206\u9875 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010PHP\u3011\u5206\u9875\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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