php 循环结果集 生手

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

复制AI写代码

<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 />

login_action.php

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<br><?php <br />
    session_start();<br>
	include('../config/config_db.php');<br>
	include('../class/db/class_db.php'); <div class="clear"></div>