{"id":4408,"date":"2015-11-17T09:46:06","date_gmt":"2015-11-17T01:46:06","guid":{"rendered":"https:\/\/sdeno.com\/?p=4408"},"modified":"2015-12-17T14:47:30","modified_gmt":"2015-12-17T06:47:30","slug":"php%e7%ae%80%e5%8d%95%e5%88%86%e9%a1%b5","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=4408","title":{"rendered":"php\u7b80\u5355\u5206\u9875"},"content":{"rendered":"

\u5236\u4f5c\u5206\u9875\u662f\u57fa\u7840\u5fc5\u5b66\u5185\u5bb9\u9002\u5408\u65b0\u624b\u5b66\u4e60\uff0c\u8001\u9e1f\u52ff\u6270\u3002<\/p>\n

\u5236\u4f5c\u601d\u8def\uff1a<\/p>\n

 <\/p>\n

1\uff0c\u9996\u5148\u8981\u786e\u5b9a\u4e00\u4e2a\u9875\u9762\u8981\u663e\u793a\u591a\u5c11\u6761\u5185\u5bb9<\/p>\n

 <\/p>\n

2\uff0cmysql\u63a7\u5236\u663e\u793a\u5185\u5bb9\u7684\u6570\u91cf\u4f7f\u7528 LIMIT 0,5 \u7684\u8bed\u6cd5\u6765\u63a7\u5236<\/p>\n

LIMIT 0,5  \/\/\u5bd3\u610f\u662f\uff1a\u4ece\u7b2c1\u6761\u5f00\u59cb\uff0c\u663e\u793a5\u6761\u5185\u5bb9\uff0c\u4e5f\u5c31\u662f0,1,2,3,4\u6761\u5185\u5bb9\u663e\u793a\r\nLIMIT 5,5 \/\/\u5bd3\u610f\u662f\uff1a\u4ece\u7b2c6\u6761\u5f00\u59cb\uff0c\u663e\u793a5\u6761\u5185\u5bb9\uff0c\u4e5f\u5c31\u662f5,6,7,8,9\u6761\u5185\u5bb9\u663e\u793a<\/pre>\n
 <\/p>\n
3\uff0c\u5728\u5236\u4f5c\u9875\u7801\u7684\u65f6\u5019\u6bcf\u70b9\u51fb\u4e00\u4e2a\u9875\u7801\u90fd\u8981\u4f20\u9012\u53c2\u6570\u7ed9\u670d\u52a1\u5668\u6765\u5224\u65ad\u7528\u6237\u70b9\u51fb\u5f53\u524d\u7684\u9875\u7801\u662f\u591a\u5c11\uff0c\u7528get\u7684\u65b9\u5f0f\u5411\u670d\u52a1\u5668\u4f20\u9012\uff0c\u5982\uff1a<\/p>\n
<a href=\"?page=1\">1<\/a>\r\n<a href=\"?page=2\">2<\/a>\r\n<a href=\"?page=3\">1<\/a>\r\n\r\n\u7528\u6237\u70b9\u51fb\u7684\u65f6\u5019URL\u5730\u5740\u5c31\u4f1a\u6709\u50cfxxx.php?page=2\u8fd9\u6837\u7684\u5f62\u5f0f\uff0c\u4f7f\u7528$_GET['page'],\u5c31\u80fd\u83b7\u53d6\u5230\u5f53\u524d\u503c\uff0c\u8fd9\u6837\u5c31\u80fd\u5224\u65ad\u7528\u6237\u5f53\u524d\u70b9\u51fb\u7684\u9875\u7801\u3002<\/pre>\n
 <\/p>\n
4\uff0c\u6253\u8349\u7a3f<\/p>\n\n\n\n\n\n
\u7b2c1\u9875<\/td>\n\u663e\u793a1-5\u6761\u6570\u636e<\/td>\nLIMIT 0,5<\/td>\n<\/tr>\n
\u7b2c2\u9875<\/td>\n\u663e\u793a6-10\u6761\u6570\u636e<\/td>\nLIMIT 5,5<\/td>\n<\/tr>\n
\u7b2c3\u9875<\/td>\n\u663e\u793a11-15\u6761\u6570\u636e<\/td>\nLIMIT 10,5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
 <\/p>\n
5\uff0c\u6839\u636e\u6253\u51fa\u6765\u7684\u8349\u7a3f\u5199\u4e00\u4e2a\u7b80\u5355\u6709\u89c4\u5f8b\u7684\u516c\u5f0f\uff1a<\/p>\n
\u9996\u5148\u83b7\u53d6\u5f53\u524d\u9875\u7801\r\n$page_num=$_GET['page'];\r\n\r\n\r\n\u8003\u8651\u5bb9\u9519\u5904\u7406\u5f53\u524d\u83b7\u53d6\u9875\u7801\u7684\u4ee3\u7801\u6539\u6210\u5982\u4e0b\uff1a\r\n$page_num=(isset( $_GET['page'] ) && !empty($_GET['page']) && $_GET['page']>0 && is_numeric($_GET['page']))? intval($_GET['page']) : 1; \r\n\r\n\r\n\u8fd9\u91cc\u8003\u8651\u4e00\u4e2a\u9875\u9762\u663e\u793a5\u6761\u6570\u636e\uff0c\u516c\u5f0f\u5982\u4e0b\uff1a\r\n$sql_num=($page_num-1)*5; \/\/\u8fd9\u4e2a\u53d8\u91cf\u662f\u7528\u6765\u4ee3\u66ff\u7ea2\u8272\u90e8\u5206\u7684 LIMIT *<\/span>,5\r\n\r\n\r\nmysql\u6839\u636e\u7528\u6237\u70b9\u51fb\u7684\u9875\u7801\u52a8\u6001\u83b7\u53d6\u663e\u793a\u6570\u636e\u5185\u5bb9\r\n$list_query=mysql_query(\"SELECT liuyan_username,liuyan_sex,liuyan_pic FROM liuyan_user ORDER BY id DESC LIMIT \".$sql_num.<\/span>\",5\");<\/pre>\n
 <\/p>\n
6\uff0c\u904d\u5386\u9875\u7801\u663e\u793a\u5185\u5bb9<\/p>\n
<?php while(!!$list=mysql_fetch_row($list_query)){?>\r\n <dl>\r\n  <dd class=\"user\"><?php echo $list[0]; ?>&nbsp;(<?php echo $list[1]; ?>)<\/dd>\r\n  <dt><img src=\"<?php echo $list[2]; ?>\" alt=\"<?php echo $list[0]; ?>\" \/><\/dt>\r\n  <dd class=\"message\">\u53d1\u6d88\u606f<\/dd>\r\n  <dd class=\"friend\">\u52a0\u4e3a\u597d\u53cb<\/dd>\r\n  <dd class=\"guest\">\u5199\u7559\u8a00<\/dd>\r\n  <dd class=\"flower\">\u7ed9\u4ed6\u9001\u82b1<\/dd>\r\n <\/dl>\r\n<?php }?><\/pre>\n
 <\/p>\n
7\uff0c\u83b7\u53d6\u9875\u7801\u6570<\/p>\n
1\uff0c\u5148\u83b7\u53d6\u5f53\u524d\u603b\u5171\u6709\u591a\u5c11\u6761\u5185\u5bb9\u8981\u663e\u793a\uff1a\r\n$list_num_query=mysql_query(\"SELECT id FROM liuyan_user\");\r\n$list_num=mysql_num_rows($list_num_query); \/\/\u591a\u5c11\u6761\u6570\u636e\r\n\r\n2\uff0c\u603b\u6570\u636e \u9664\u4ee5 \u5f53\u524d\u9875\u8981\u663e\u793a\u7684\u5185\u5bb9\u6570\u91cf \u7b49\u4e8e \u9875\u7801\u6570\r\n$show_page=ceil(($list_num\/5)); ceil\u662f\u4e00\u65e6\u6709\u5c0f\u6570\u70b9\u7684\u5c31\u4f1a\u5411\u6574\u6570\u52a01\uff0c\u5373\u4f7f\u670931\u6761\u5185\u5bb9\u6700\u540e\u4e00\u6761\u5185\u5bb9\u4e5f\u8981\u72ec\u7acb\u51fa\u6765\u5355\u72ec\u663e\u793a1\u4e2a\u9875\u7801\u3002<\/pre>\n
 <\/p>\n
8\uff0c\u904d\u5386\u9875\u7801<\/p>\n
<ul id=\"page\">\r\n  <?php for($i=1;$i<=$show_page;$i++){ ?>\r\n    <span><a href=\"?page=<?php echo $i?>\"><?php echo $i?><\/a><\/span>\r\n  <?php }; ?>\r\n<\/ul><\/pre>\n
 <\/p>\n
 <\/p>\n
———————————————————————–<\/p>\n
<\/div>
<\/div><\/div><\/div>\"page_php\"<\/figure><\/a>\n
\u4e0b\u8f7d\uff1apage<\/a><\/p>\n
 <\/p>\n
\u8c03\u7528\u65b9\u6cd5\uff1a<\/p>\n
$page_num=(isset( $_GET['p'] ) && !empty($_GET['p']) && $_GET['p']>0 && is_numeric($_GET['p']))? intval($_GET['p']) : 1; \r\n \/\/\u83b7\u53d6\u7528\u6237\u70b9\u51fb\u7684\u9875\u7801 \u80fd\u83b7\u53d6\u5230page\u53c2\u6570\u5c31\u83b7\u53d6\u6ca1\u6709\u5c31\u9ed8\u8ba4\u7ed9\u5b83\u8d4b\u503c1\u907f\u514d LIMIT \".$sql_num.\",5\" \u6ca1\u6709\u503c\u9875\u9762\u4f1a\u51fa\u9519\r\n $sql_num=($page_num-1)*6; \/\/\u63a7\u5236mysql LIMIT\u663e\u793a\u9875\u7801 \u4e00\u822c\u9ed8\u8ba4\u663e\u793a\u90fd\u662f \uff081-1\uff09*5\r\n $list_query=mysql_query(\"SELECT con FROM msg LIMIT \".$sql_num.\",6\");\r\n\r\n\r\n\r\n <?php \r\n   while( !!$row=mysql_fetch_row($list_query) ){ \r\n  ?>\r\n\r\n <dl>\r\n <dd class=\"user\"><?php echo $row[0]; ?><\/dd>\r\n <\/dl> \r\n\r\n <?php } ?>\r\n\r\n\r\n\r\n\r\n<div id=\"page_div\" style=\"text-align:center; padding:10px 0;\">\r\n <?php \r\n getpage('fri',5,\"WHERE me='\".$_SESSION['loginusername'].\"' OR fri='\".$_SESSION['loginusername'].\"'\");\r\n ?><\/span>\r\n <\/div>\r\n\r\n\u53c2\u6570\u8981\u548c\u5faa\u73af\u7684\u5185\u5bb9\u4e00\u81f4<\/pre>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
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