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php 循环结果集 生手

Jun 13, 2016 am 11:28 AM
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php 循环结果集 新手

本帖最后由 zuoan2008 于 2013-07-06 15:47:24 编辑 class_db.php
<br /><?php<br />Class MySQLDB<br />{<br />		var $host;<br />		var $user;<br />		var $passwd;<br />		var $database;<br />		var $conn;<br /><br />		//利用构造函数实现变量初始化<br />		//同时连接数据库操作<br />		function MySQLDB($host,$user,$password,$database)<br />		{<br />			$this->host = $host;<br />			$this->user = $user;<br />			$this->passwd = $password;<br />			$this->database = $database;<br />			$this->conn=mysql_connect($this->host, $this->user,$this->passwd) or die("Could not connect to $this->host");<br />			mysql_select_db($this->database,$this->conn) or die("Could not switch to database $this->database");<br />			mysql_query("set names 'gbk'");<br />		}<br /><br />		//该函数用来关闭数据库连接<br />		function Close()<br />		{<br />		    MySQL_close($this->conn);<br />		}<br /><br />		//该函数实现数据库查询操作<br />		function Query($queryStr)<br />		{<br />		   $res =Mysql_query($queryStr, $this->conn);<br />		   return $res;<br />		}<br /><br />		//该函数返回记录集<br />		function getRows($res)<br />		{<br />			$rowno = 0;<br />			$rowno = MySQL_num_rows($res);<br />			if($rowno>0)<br />			{<br />			for($row=0;$row<$rowno;$row++ )<br />				 {<br /><br />					$rows[$row]=MySQL_fetch_array($res);<br /><br />					//本来为MySQL_fetch_row,但是不能以数组的方式来提取,只能用索引<br /><br />					//这样可以用索引和名称,更为方便<br /><br />				 }<br /><br />				 return $rows;<br /><br />			  }<br /><br />			}<br /><br />			//该函数取回数据库记录数<br />			function getRowsNum($res)<br />			{<br />			   $rowno = 0;<br />			   $rowno = mysql_num_rows($res);<br />			   return $rowno;<br />			}<br /><br />			//该函数返回数据库表字段数<br />			function getFieldsNum($res)<br />			{<br />				$fieldno = 0;<br />				$fieldno = mysql_num_fields($res);<br />				return $fieldno;<br /><br />			}<br /><br />			//该函数返回数据库表字段名称集<br />			function getFields($res)<br />			{<br />			   $fno = $this->getFieldsNum($res);<br />			   if($fno>0)<br />			   {<br />					 for($i=0;$i<$fno;$i++ )<br />					 {<br />						$fs[$i]=MySQL_field_name($res,$i);//取第i个字段的名称<br />					 }<br />					 return $fs;<br /><br />			   }<br /><br />			}<br /><br />} <br />
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login_action.php
<br><?php <br />    session_start();<br>	include('../config/config_db.php');<br>	include('../class/db/class_db.php');<div class="clear">
                 
              
              
        
            </div>
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