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php 循环错误

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2016-06-23 13:50:32920browse


 include_once 'mysql.php';
 
 $C = "";
 $rownum = 5;          //每行要显示的车标数
 $picindex = 1;          //$picindex 车标序号
 $newrow = 0;            //是否换行 ,值为 1 时换行(换行即为要输入 ,为 0 时不换行
 $logorst = mysqli_query($cnn,"select * from BandLogo where ShowOrder  '0' ORDER BY ShowOrder ASC");
 
 ?>  while($row = mysqli_fetch_array($logorst)){
      if($picindex > $rownum){
         $picindex = 1;
         $newrow = 1;
      }         
      if($newrow == 1){         
         echo "";                  //输出  即为 换行         
      } ?>    
             if($newrow == 1){
         echo "";
         $newrow = 0;
      }    
      $picindex++;                  
}
 ?>
     
        
              
           
           ">
php 循环错误 "/>

        

          ">
         
        
            
      
    





上面的代码想要每行显示5个图标,但是从第二行开始,就会在第一个图片显示了之后换行,请帮我看看那里有错误呢,谢谢了


回复讨论(解决方案)

你的
      if($newrow == 1){         
         echo "

";                  //输出   即为 换行         
      }
     if($newrow == 1){
         echo "";
         $newrow = 0;
      }    
是在一次循环中完成的,自然那行就只有一个单元格了

标签不完整
if($picindex > $rownum){
         $picindex = 1;
         $newrow = 1;
      }   

前五次$picindex 肯定小于$rownum ,也就是说刚开始并没有

的开始标签

循环里面改为

      if($picindex > $rownum){         $picindex = 1;      }               if($picindex == 1){                  echo "<tr>";                  //输出 <tr> 即为 换行               } ?>          <td>             <table><tr><td>              <?php //定义一个小的表格,只有两个格子,上面一个格子放图片,下面一个格子放名称  ?>           <?php echo $picindex ?>           <a href="qps_showqpslist.php?tag=<?php echo $row['Name'] ?>"><div align="center"><img  src=" <?php echo $row['FileName'] ? alt="php 循环错误" > "/></div></a>        </td></tr><tr><td>          <a href="qps_showqpslist.php?tag=<?php echo $row['Name'] ?>"><div align="center"><?php echo $row['Name']; ?></div></a>                 </td></tr></table>                  </td>	  <?php       if($picindex == 5){         echo "</tr>";      }      $picindex++; 

jam00
果酱很好吃  说的对的,

  if($picindex == $rownum){
         echo "

";    
      }

当 $picindex == $rownum 时,才能输入 
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