1 <?php 2 //数据库连接类 3 class ConnDB{ 4 5 var $dbtype; 6 var $host; 7 var $user; 8 var $pwd; 9 var $dbname; 10 11 //构造方法 12 function ConnDB($dbtype,$host,$user,$pwd,$dbname){ 13 $this->dbtype=$dbtype; 14 $this->host=$host; 15 $this->user=$user; 16 $this->pwd=$pwd; 17 $this->dbname=$dbname; 18 } 19 20 //实现数据库的连接并返回连接对象 21 function GetConnId(){ 22 23 if($this->dbtype=="mysql" || $this->dbtype=="mssql"){ 24 $dsn="$this->dbtype:host=$this->host;dbname=$this->dbname"; 25 }else{ 26 $dsn="$this->dbtype:dbname=$this->dbname"; 27 } 28 try { 29 $conn = new PDO($dsn, $this->user, $this->pwd); //初始化一个PDO对象，就是创建了数据库连接对象$pdo 30 $conn->query("set names utf8"); 31 return $conn; 32 } catch (PDOException $e) { 33 die ("Error!: " . $e->getMessage() . "<br/>"); 34 } 35 36 37 } 38 } 39 40 //数据库管理类 41 class AdminDB{ 42 43 44 function ExecSQL($sqlstr,$conn){ 45 46 $sqltype=strtolower(substr(trim($sqlstr),0,6)); 47 $rs=$conn->prepare($sqlstr); //准备查询语句 48 $rs->execute(); //执行查询语句，并返回结果集 49 if($sqltype=="select"){ 50 $array=$rs->fetchAll(PDO::FETCH_ASSOC); //获取结果集中的所有数据 51 if(count($array)==0 || $rs==false) 52 return false; 53 else 54 return $array; 55 }elseif ($sqltype=="update" || $sqltype=="insert" || $sqltype=="delete"){ 56 if($rs) 57 return true; 58 else 59 return false; 60 } 61 } 62 } 63 //分页类 64 class SepPage{ 65 var $rs; 66 var $pagesize; 67 var $nowpage; 68 var $array; 69 var $conn; 70 var $sqlstr; 71 function ShowData($sqlstr,$conn,$pagesize,$nowpage){ //定义方法 72 if(!isset($nowpage) || $nowpage=="") //判断变量值是否为空 73 $this->nowpage=1; //定义每页起始页 74 else 75 $this->nowpage=$nowpage; 76 $this->pagesize=$pagesize; //定义每页输出的记录数 77 $this->conn=$conn; //连接数据库返回的标识 78 $this->sqlstr=$sqlstr; //执行的查询语句 79 $offset=($this->nowpage-1)*$this->pagesize; 80 $sql=$this->sqlstr." limit $offset, $this->pagesize"; 81 $result=$this->conn->prepare($sql); //准备查询语句 82 $result->execute(); //执行查询语句，并返回结果集 83 $this->array=$result->fetchAll(PDO::FETCH_ASSOC); //获取结果集中的所有数据 84 if(count($this->array)==0 || $this->array==false) 85 return false; 86 else 87 return $this->array; 88 } 89 90 function ShowPage($contentname,$utits,$anothersearchstr,$anothersearchstrs,$class){ 91 $str=""; 92 $res=$this->conn->prepare($this->sqlstr); //准备查询语句 93 $res->execute(); //执行查询语句，并返回结果集 94 $this->array=$res->fetchAll(PDO::FETCH_ASSOC); //获取结果集中的所有数据 95 $record=count($this->array); //统计记录总数 96 97 $pagecount=ceil($record/$this->pagesize); //计算共有几页 98 $str.=$contentname." ".$record." ".$utits." 每页 ".$this->pagesize." ".$utits." 第 ".$this->nowpage." 页/共 ".$pagecount." 页"; 99 $str.=" ";100 if($this->nowpage!=1)101 $str.="<a href=".$_SERVER['PHP_SELF']."?page=1&page_type=".$anothersearchstr."¶meter2=".$anothersearchstrs." class=".$class.">首页</a>";102 else103 $str.="<font color='#555555'>首页</font>";104 $str.=" ";105 if($this->nowpage!=1)106 $str.="<a href=".$_SERVER['PHP_SELF']."?page=".($this->nowpage-1)."&page_type=".$anothersearchstr."¶meter2=".$anothersearchstrs." class=".$class.">上一页</a>";107 else108 $str.="<font color='#555555'>上一页</font>";109 $str.=" "; 110 if($this->nowpage!=$pagecount)111 $str.="<a href=".$_SERVER['PHP_SELF']."?page=".($this->nowpage+1)."&page_type=".$anothersearchstr."¶meter2=".$anothersearchstrs." class=".$class.">下一页</a>";112 else113 $str.="<font color='#555555'>下一页</font>"; 114 $str.=" ";115 if($this->nowpage!=$pagecount)116 $str.="<a href=".$_SERVER['PHP_SELF']."?page=".$pagecount."&page_type=".$anothersearchstr."¶meter2=".$anothersearchstrs." class=".$class.">尾页</a>";117 else118 $str.="<font color='#555555'>尾页</font>";119 if(count($this->array)==0 || $this->array==false) 120 return "无数据！";121 else122 return $str; 123 }124 }125 //系统常用方法126 class UseFun{127 128 function UnHtml($text){129 $content=(nl2br(htmlspecialchars($text)));130 $content=str_replace("[strong]","<strong>",$content);131 $content=str_replace("[/strong]","</strong>",$content);132 $content=str_replace("[em]","<em>",$content);133 $content=str_replace("[/em]","</em>",$content);134 $content=str_replace("[u]","<u>",$content);135 $content=str_replace("[/u]","</u>",$content);136 137 138 $content=str_replace("[font color=#FF0000]","<font color=#FF0000>",$content);139 $content=str_replace("[font color=#00FF00]","<font color=#00FF00>",$content);140 $content=str_replace("[font color=#0000FF]","<font color=#0000FF>",$content);141 142 $content=str_replace("[font face=楷体_GB2312]","<font face=楷体_GB2312>",$content);143 $content=str_replace("[font face=宋体]","<font face=新宋体>",$content);144 $content=str_replace("[font face=隶书]","<font face=隶书>",$content);145 $content=str_replace("[/font]","</font>",$content);146 //$content=str_replace(chr(32)," ",$content);147 $content=str_replace("[font size=1]","<font size=1>",$content);148 $content=str_replace("[font size=2]","<font size=2>",$content);149 $content=str_replace("[font size=3]","<font size=3>",$content);150 $content=str_replace("[font size=4]","<font size=4>",$content);151 $content=str_replace("[font size=5]","<font size=5>",$content);152 $content=str_replace("[font size=6]","<font size=6>",$content);153 154 $content=str_replace("[FIELDSET][LEGEND]","<FIELDSET><LEGEND>",$content);155 $content=str_replace("[/LEGEND]","</LEGEND>",$content);156 $content=str_replace("[/FIELDSET]","</FIELDSET>",$content);157 return $content;158 }159 160 }161 162 ?>