{"id":149,"date":"2022-05-13T20:42:32","date_gmt":"2022-05-13T12:42:32","guid":{"rendered":"http:\/\/www.sangco.cn\/?p=149"},"modified":"2022-05-13T20:42:32","modified_gmt":"2022-05-13T12:42:32","slug":"mysql-%e7%b1%bb%e6%94%b9-mysqli%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/www.sangco.cn\/?p=149","title":{"rendered":"Mysql \u7c7b\u6539 Mysqli\u7c7b"},"content":{"rendered":"

\u4eca\u5929\u6765\u4e86\u4e2a\u5ba2\u6237.\u670d\u52a1\u5668\u5347\u7ea7\u5230PHP7.4\u4e86…\u4ee5\u524d\u5199\u7684mysql\u7c7b\u53ea\u652f\u6301\u5230PHP5.6.<\/p>\n

\u9042\u5347\u7ea7Mysql\u7c7b\u5230Mysqli<\/p>\n

\u7279\u6b64\u8bb0\u5f55<\/p>\n

<?php\r\nheader('content-type:text\/html;charset=utf-8');\r\nsession_start();\r\n\/\/error_reporting(0);\r\ndate_default_timezone_set('PRC'); \r\n$dbhead=\"shu_\";\r\nclass db\r\n{\r\n\tprivate static $dbcon=false;\r\n\tvar $dbhost = \"localhost\";\r\n\tvar $dbuser = \"root\";\r\n\tvar $dbpw   = \"root\";\r\n\tvar $dbname = \"a0201103311\";\r\n\tprivate $conn;\r\n\t\/\/mysql_query(\"SET NAMES 'utf8'\");\r\n  private function __construct($config=array()){\r\n    \/\/\u8fde\u63a5\u6570\u636e\u5e93\r\n    $this->db_link();\r\n   }\r\n\r\n   private function db_link(){\r\n    $this->conn=mysqli_connect($this->dbhost,$this->dbuser,$this->dbpw,$this->dbname);\r\n    if(!$this->conn){\r\n      echo \"\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25<br>\";\r\n      echo \"\u9519\u8bef\u7f16\u7801\".mysqli_errno($this->conn).\"<br>\";\r\n      echo \"\u9519\u8bef\u4fe1\u606f\".mysqli_error($this->conn).\"<br>\";\r\n      exit;\r\n    }\r\n   }\r\n    function close() \r\n\t{\r\n\t\treturn mysqli_close($this->conn);\r\n\t} \r\n\t\r\n\/*\r\n\u67e5\u8be2\u5206\u7c7b\u540d\u79f0\r\n*\/\r\nfunction getclass($aa,$bb,$cc)\r\n{\r\n$class_id_sql=$this->query(\"select * from `{$aa}` where `id`={$cc}\");\r\n$class_id_name=$this->get($class_id_sql);\r\nif($class_id_name[$bb]<>\"\"){\r\nreturn $class_id_name[$bb]; }\r\nelse {\r\nreturn \"\";\r\n}\r\n}\r\n\r\n\t\r\n\t\r\n    public function query($sql){\r\n     $res=mysqli_query($this->conn,$sql);\r\n     if(!$res){\r\n      echo \"sql\u8bed\u53e5\u6267\u884c\u5931\u8d25<br>\";\r\n      echo \"\u9519\u8bef\u7f16\u7801\u662f\".mysqli_errno($this->conn).\"<br>\";\r\n      echo \"\u9519\u8bef\u4fe1\u606f\u662f\".mysqli_error($this->conn).\"<br>\";\r\n     }\r\n     return $res;\r\n   }\r\n    public function get($query,$type=\"assoc\"){\r\n    if(!in_array($type,array(\"assoc\",\"array\",\"row\")))\r\n    {\r\n      die(\"mysqli_query error\");\r\n    }\r\n    $funcname=\"mysqli_fetch_\".$type;\r\n    return $funcname($query);\r\n    }\r\n\r\n\r\n    \/\/\u83b7\u53d6\u4e00\u884c\u8bb0\u5f55,return array \u4e00\u7ef4\u6570\u7ec4\r\n    public function getfirst($sql,$type=\"assoc\"){\r\n     $query=$this->query($sql);\r\n     if(!in_array($type,array(\"assoc\",'array',\"row\"))){\r\n       die(\"mysqli_query error\");\r\n     }\r\n     $funcname=\"mysqli_fetch_\".$type;\r\n     return $funcname($query);\r\n    }\r\n\t\r\n    function row($query)\r\n\t{\r\n         return mysqli_num_rows($query);    \r\n\t}\r\n\t\r\n\tfunction free($query) \r\n\t{\r\n\t\t return mysqli_free_result($query);\r\n\t}\r\n\t\r\n\r\n   function msg($msgdb)\r\n   {\r\n        die($msgdb);\r\n   }\r\n   \r\n   function alert($msg)\r\n   {\r\n       echo \"<script language=javascript>\";\r\n\t   echo \"history.back();\";\r\n\t   echo \" alert(\\\"\".$msg.\"\\\");\";\r\n\t   echo \"<\/script>\";\r\n\t   \/\/return $text;\r\n   }\r\n   \r\n    function location($msg,$url)\r\n    {\r\n        echo \"<script language=javascript>\";\r\n\t    echo \" alert(\\\"\".$msg.\"\\\");\";\r\n\t    echo \"location.href=\\\"\".$url.\"\\\"\";\r\n\t    echo \"<\/script>\";\r\n\t    \/\/ return $text;\r\n    }\r\n\t\r\n\tpublic static function getIntance(){\r\n     if(self::$dbcon==false){\r\n      self::$dbcon=new self;\r\n     }\r\n     return self::$dbcon;\r\n   }\r\n}\r\nclass page\r\n{\r\n   function get_num($sql)\/\/\u83b7\u5f97\u603b\u5171\u6709\u591a\u5c11\u6761\u8bb0\u5f55\r\n   {\r\n      global $result, $rs;\r\n      $db_page=db::getIntance();\r\n      $result=$db_page->query($sql);\r\n      $rs=$db_page->get($result);\r\n      $num=$rs[\"count(*)\"];\r\n\t  $db_page->free($result);\r\n\t  \r\n\t  return $num;\r\n   }\r\n   function get_page($pagesize,$num,$rpage)\/\/\u5728\u77e5\u9053\u603b\u5171\u6709\u591a\u5c11\u6761\u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\uff0c\u7ed9\u51fa\u6709\u591a\u5c11\u9875\r\n   {\r\n      ceil($num\/$pagesize);\r\n\t  if(empty($rpage))\r\n\t  {\r\n\t  \t  $page=0;\r\n\t  }\r\n\t  else\r\n\t  {\r\n\t  \t  $page=$rpage;\r\n\t  \t  if($page<0)$page=0;\r\n\t  \t  if($page>=ceil($num\/$pagesize))$page=ceil($num\/$pagesize)-1;\r\n\t  }\r\n\t  return $page;\r\n   }\r\n   function get_page1($pagesize,$sql,$rpage)\/\/\u5728\u4e0d\u77e5\u9053\u603b\u5171\u6709\u591a\u5c11\u6761\u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\uff0c\u7ed9\u51fa\u6709\u591a\u5c11\u9875\uff0c\u4e00\u6b65\u5230\u4f4d\r\n   {\r\n      global $result, $rs;\r\n      $db_page=new db();\r\n      $result=$db_page->query($sql);\r\n      $rs=$db_page->get($result);\r\n      $num=$rs[0];\r\n\t  $db_page->free($result);\r\n\t  ceil($num\/$pagesize);\r\n\t  if(empty($rpage))\r\n\t  {\r\n\t  \t  $page=0;\r\n\t  }\r\n\t  else\r\n\t  {\r\n\t  \t  $page=$rpage;\r\n\t  \t  if($page<0)$page=0;\r\n\t  \t  if($page>=ceil($num\/$pagesize))$page=ceil($num\/$pagesize)-1;\r\n\t  }\r\n\t  return $page;\r\n   }\r\n   \r\n   function get_fy($page,$pagezg,$pre,$next,$url)\r\n   {\r\n\t\t\t\tfor($i=($page-$pre);$i <= min($pagezg,$page+$next);$i++)\r\n\t\t\t\t{\r\n\t\t\t\t  if($i<1) continue;\/\/\u5982\u679c$page-$pre<0,\u4e0d\u64cd\u4f5c\r\n\t\t\t\t   if ($page==($i-1))\r\n\t\t\t\t   {\r\n\t\t\t\t   $pageye.=\"<font color=\\\"#FF0000\\\">[\".($i).\"]<\/font>\".\"&nbsp;\";\r\n\t\t\t\t   }\r\n\t\t\t\t   else\r\n\t\t\t\t   {\r\n\t\t\t\t   $pageye.=\"<a href=\".$url.\"&page=\".($i-1).\"  style='color:#b6b6b6;'>[\".($i).\"]<\/a>\".\"&nbsp;\";\r\n\t\t\t\t   }\r\n\t\t\t\t}\r\n\t\t\t\t$pageye=\"<a href=\".$url.\"&page=0 style='color:#b6b6b6;'><FONT  face=Webdings>9<\/FONT><\/a>&nbsp;\".$pageye.\"<a href=\".$url.\"&page=\".$pagezg.\" style='color:#b6b6b6;'><FONT face=Webdings>:<\/FONT><\/a>\";\r\n\t\t\t\treturn $pageye;\r\n   }\r\n}\r\n$db=db::getIntance();\r\nrequire \"bt.php\";\r\n?><\/pre>\n
\u4e0b\u9762\u662f\u539fMysql\u7c7b:<\/p>\n
<?php\r\nsession_start();\r\n\/\/error_reporting(0);\r\ndate_default_timezone_set('PRC'); \r\n$dbhead=\"shu_\";\r\nclass db\r\n{\r\n   var $dbhost = \"localhost\";\r\n   var $dbuser = \"a0201103311\";\r\n   var $dbpw   = \"39539445\";\r\n   var $dbname = \"a0201103311\";\r\n   var $conn;\r\n   \/\/mysql_query(\"SET NAMES 'utf8'\");\r\n   function db_link ()\r\n     {\r\n\t     $this->conn=mysql_connect ($this->dbhost, $this->dbuser, $this->dbpw);\r\n\t\t mysql_query(\"SET NAMES utf8\");\r\n\t     mysql_select_db($this->dbname);\r\n\t }\r\n\t\r\n    function close() \r\n\t{\r\n\t\treturn mysql_close($this->conn);\r\n\t} \r\n\t\r\n\tfunction query($query)\r\n\t {\r\n\t   $sql=$query;\r\n\t   $query=mysql_query($query);\r\n\t   return $query ? $query : die(mysql_error().\"<br><br>\".$sql);\r\n     }\r\n\t\r\n\tfunction get($query)\r\n\t{\r\n         return mysql_fetch_array($query);    \r\n\t}\r\n\/\/\u67e5\u8be2\u6709\u6ca1\u6709\r\nfunction getfirst($sql){\r\nreturn @mysql_fetch_array($this->query($sql));\r\n\r\n}\r\n\/*\r\n\u67e5\u8be2\u5206\u7c7b\u540d\u79f0\r\n*\/\r\nfunction getclass($aa,$bb,$cc)\r\n{\r\n$class_id_sql=$this->query(\"select * from `{$aa}` where `id`={$cc}\");\r\n$class_id_name=$this->get($class_id_sql);\r\nif($class_id_name[$bb]<>\"\"){\r\nreturn $class_id_name[$bb]; }\r\nelse {\r\nreturn \"\";\r\n}\r\n}\r\n\/*\r\n\u53cd\u67e5\u5206\u7c7bid\r\n*\/\r\nfunction getid($aa,$bb,$cc)\r\n{\r\n$class_id_sql=$this->query(\"select * from `{$aa}` where `name`='{$cc}' order by sort asc\");\r\n$class_id_name=$this->get($class_id_sql);\r\nif($class_id_name[$bb]<>\"\"){\r\nreturn $class_id_name[$bb]; }\r\nelse {\r\nreturn \"\";\r\n}\r\n}\r\n\t\r\n    function row($query)\r\n\t{\r\n         return mysql_num_rows($query);    \r\n\t}\r\n\t\r\n\tfunction free($query) \r\n\t{\r\n\t\t return mysql_free_result($query);\r\n\t}\r\n\t\r\n\r\n   function msg($msgdb)\r\n   {\r\n        die($msgdb);\r\n   }\r\n   \r\n   function alert($msg)\r\n   {\r\n       echo \"<script language=javascript>\";\r\n\t   echo \"history.back();\";\r\n\t   echo \" alert(\\\"\".$msg.\"\\\");\";\r\n\t   echo \"<\/script>\";\r\n\t   \/\/return $text;\r\n   }\r\n   \r\n    function location($msg,$url)\r\n    {\r\n        echo \"<script language=javascript>\";\r\n\t    echo \" alert(\\\"\".$msg.\"\\\");\";\r\n\t    echo \"location.href=\\\"\".$url.\"\\\"\";\r\n\t    echo \"<\/script>\";\r\n\t    \/\/ return $text;\r\n    }\r\n}\r\nclass page\r\n{\r\n   function get_num($sql)\/\/\u83b7\u5f97\u603b\u5171\u6709\u591a\u5c11\u6761\u8bb0\u5f55\r\n   {\r\n      global $result, $rs;\r\n      $db_page=new db();\r\n      $result=$db_page->query($sql);\r\n      $rs=$db_page->get($result);\r\n      $num=$rs[0];\r\n\t  $db_page->free($result);\r\n\t  return $num;\r\n   }\r\n   function get_page($pagesize,$num,$rpage)\/\/\u5728\u77e5\u9053\u603b\u5171\u6709\u591a\u5c11\u6761\u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\uff0c\u7ed9\u51fa\u6709\u591a\u5c11\u9875\r\n   {\r\n      ceil($num\/$pagesize);\r\n\t  if(empty($rpage))\r\n\t  {\r\n\t  \t  $page=0;\r\n\t  }\r\n\t  else\r\n\t  {\r\n\t  \t  $page=$rpage;\r\n\t  \t  if($page<0)$page=0;\r\n\t  \t  if($page>=ceil($num\/$pagesize))$page=ceil($num\/$pagesize)-1;\r\n\t  }\r\n\t  return $page;\r\n   }\r\n   function get_page1($pagesize,$sql,$rpage)\/\/\u5728\u4e0d\u77e5\u9053\u603b\u5171\u6709\u591a\u5c11\u6761\u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\uff0c\u7ed9\u51fa\u6709\u591a\u5c11\u9875\uff0c\u4e00\u6b65\u5230\u4f4d\r\n   {\r\n      global $result, $rs;\r\n      $db_page=new db();\r\n      $result=$db_page->query($sql);\r\n      $rs=$db_page->get($result);\r\n      $num=$rs[0];\r\n\t  $db_page->free($result);\r\n\t  ceil($num\/$pagesize);\r\n\t  if(empty($rpage))\r\n\t  {\r\n\t  \t  $page=0;\r\n\t  }\r\n\t  else\r\n\t  {\r\n\t  \t  $page=$rpage;\r\n\t  \t  if($page<0)$page=0;\r\n\t  \t  if($page>=ceil($num\/$pagesize))$page=ceil($num\/$pagesize)-1;\r\n\t  }\r\n\t  return $page;\r\n   }\r\n   \r\n   function get_fy($page,$pagezg,$pre,$next,$url)\r\n   {\r\n\t\t\t\tfor($i=($page-$pre);$i <= min($pagezg,$page+$next);$i++)\r\n\t\t\t\t{\r\n\t\t\t\t  if($i<1) continue;\/\/\u5982\u679c$page-$pre<0,\u4e0d\u64cd\u4f5c\r\n\t\t\t\t   if ($page==($i-1))\r\n\t\t\t\t   {\r\n\t\t\t\t   $pageye.=\"<font color=\\\"#FF0000\\\">[\".($i).\"]<\/font>\".\"&nbsp;\";\r\n\t\t\t\t   }\r\n\t\t\t\t   else\r\n\t\t\t\t   {\r\n\t\t\t\t   $pageye.=\"<a href=\".$url.\"&page=\".($i-1).\"  style='color:#b6b6b6;'>[\".($i).\"]<\/a>\".\"&nbsp;\";\r\n\t\t\t\t   }\r\n\t\t\t\t}\r\n\t\t\t\t$pageye=\"<a href=\".$url.\"&page=0 style='color:#b6b6b6;'><FONT  face=Webdings>9<\/FONT><\/a>&nbsp;\".$pageye.\"<a href=\".$url.\"&page=\".$pagezg.\" style='color:#b6b6b6;'><FONT face=Webdings>:<\/FONT><\/a>\";\r\n\t\t\t\treturn $pageye;\r\n   }\r\n}\r\n$db=new db();\r\n$db->db_link();\r\nrequire \"bt.php\";\r\n?><\/pre>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u5929\u6765\u4e86\u4e2a\u5ba2\u6237.\u670d\u52a1\u5668\u5347\u7ea7\u5230PHP7.4\u4e86…\u4ee5\u524d\u5199\u7684mysql\u7c7b\u53ea\u652f\u6301\u5230PHP5.6. \u9042\u5347\u7ea7Mysql\u7c7b\u5230Mysqli \u7279\u6b64\u8bb0\u5f55 <?php header(‘content-type:text\/html;charset=…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"topic":[],"class_list":["post-149","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/www.sangco.cn\/index.php?rest_route=\/wp\/v2\/posts\/149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sangco.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sangco.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sangco.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sangco.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=149"}],"version-history":[{"count":1,"href":"https:\/\/www.sangco.cn\/index.php?rest_route=\/wp\/v2\/posts\/149\/revisions"}],"predecessor-version":[{"id":150,"href":"https:\/\/www.sangco.cn\/index.php?rest_route=\/wp\/v2\/posts\/149\/revisions\/150"}],"wp:attachment":[{"href":"https:\/\/www.sangco.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sangco.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sangco.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.sangco.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}