类写错了，怎么只读一组数据
class_img.php
<br> <?php <br /><br><br><br>class PicInfo<br>{ <br> // $sql= "select * from userinfo where username='$name' "; //书写sql <br> public function PicInfo($sql)<br> {<br> require_once("db_config.php"); //包含配置信息. <br> $result= mysql_query($sql, $conn); // 执行查询语句<br> $this->picInfo = mysql_fetch_array($result); //返回查询结果到数组<br> $num_rows = mysql_num_rows($result);<br> mysql_query("set names UTF8");<br> mysql_close($conn); //关闭数据库连接 <br> $this->getInfo($num_rows); //调用传递信息的方法.<br> } <br> // 获取信息传递给属性的方法<br> <br> private function getInfo($num_rows){ <br> $this->pid = $this->picInfo["PID"]; <br> $this->b_img = $this->picInfo["B_img"]; <br> $this->m_img = $this->picInfo["M_img"];<br> $this->s_img = $this->picInfo["S_img"];<br> $this->indicate = $this->picInfo["Indicate"];<br> $this->type = $this->picInfo["type"];<br> $this->row = $this->picInfo['row']=$num_rows;<br> } <br> <br> //返回每个属性的public 方法. <br> public function getRow(){ <br> <br> return $this->row; <br> } <br> public function getPid(){ <br> <br> return $this->pid; <br> } <br> <br> public function getB_img(){ <br> return $this->b_img; <br> } <br> <br> public function getM_img(){ <br> return$this->m_img; <br> } <br> public function getS_img(){ <br> return$this->s_img; <br> } <br> public function getIndicate(){ <br> return$this->indicate; <br> } <br> public function getType(){ <br> return$this->type; <br> } <br> <br> }<br> <br> class edit_img<br> {<br> public function edit_img($sql)<br> {<br> require_once("db_config.php"); //包含配置信息. <br><br> $result= mysql_query($sql,$conn); // 执行查询语句<br> $row=mysql_affected_rows(); //返回查询结果到数组<br> if($row {<br> echo "<script>alert('没插入数据！')</script>";<br> }<br> else{<br> echo "有".$row."组数据受到影响";<div class="clear">
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