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        php循環(huán)計(jì)數(shù)器引導(dǎo)行

        php loop counter bootstrap row(php循環(huán)計(jì)數(shù)器引導(dǎo)行)

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                • 本文介紹了php循環(huán)計(jì)數(shù)器引導(dǎo)行的處理方法,對(duì)大家解決問(wèn)題具有一定的參考價(jià)值,需要的朋友們下面隨著小編來(lái)一起學(xué)習(xí)吧!

                  問(wèn)題描述

                  我在 Stack 上看到了很多解決方案,但似乎沒(méi)有一個(gè)對(duì)我有用,所以我試圖根據(jù)我看到的其他人所做的來(lái)編寫(xiě)它.

                  我可以計(jì)算列數(shù)并開(kāi)始新行,但問(wèn)題是,因?yàn)槲以?foreach 中執(zhí)行此操作(從 DB 獲取數(shù)據(jù)),它現(xiàn)在會(huì)將 DB 中的每個(gè)條目放置 4 次-> 關(guān)閉該行;開(kāi)始一個(gè)新行-> 并顯示 DB 中的第二個(gè)條目 4 次-> 關(guān)閉該行;開(kāi)始一個(gè)新行->并顯示 DB 中的第三個(gè)條目 4 次,依此類推...(我的代碼在這篇文章的底部)

                  所以,現(xiàn)在這段代碼顯示的項(xiàng)目如下:

                  col-md3(item1) |col-md3(item1) |col-md3(item1) |col-md3(item1)col-md3(item2) |col-md3(item2) |col-md3(item2) |col-md3(item2)........

                  但是,我希望它顯示為:

                  col-md3(item1) |col-md3(item2) |col-md3(item3) |col-md3(item4)col-md3(item5) |col-md3(item6) |col-md3(item7) |col-md3(item8).... |... |.... |........

                  我現(xiàn)在的代碼:

                  foreach($data as $row) {echo '<div class="row">';對(duì)于 ($i=0; $i<4;$i++){如果 ($i%4 == 0 && $i != 0){echo '</div><div class="row">';}echo '';?><!-- 電子商務(wù) UI #2 --><div class="ecom-ui ecom-ui-two"><div class="img-container"><!-- 產(chǎn)品圖片--><a href="#"><img class="img-responsive" src="img/product/<?php echo $row[thumbimage]; ?>"alt=""/></a><!-- 產(chǎn)品詳細(xì)信息--><div class="product-details"><!-- 產(chǎn)品名稱--><h4><a href="#"><?php echo $row[name];?></a><span class="color pull-right">€<?php echo $row[price];?></span></h4><div class="clearfix"></div><p>Lorem Ipsum 只是印刷行業(yè)的虛擬文本.</p><!-- 價(jià)格--><div><span class="cart"><a href="#">加入購(gòu)物車(chē)</a></span><!-- 媒體圖標(biāo)--><span class="p-media pull-right"><a href="#" class="b-tooltip" data-placement="top" title="21"><i class="fa fa-heart red"></i></a><a href="#" class="b-tooltip" data-placement="top" title="49"><i class="fa fa-share-alt red"></i></a><a href="#" class="b-tooltip" data-placement="top" title="35"><i class="fa fa-thumbs-up red"></i></a></span><div class="clearfix"></div>

                  <!-- 電子商務(wù) UI #2 --><?php回聲'</div>';}回聲'</div><br/>';}

                  解決方案

                  打印代碼存在邏輯錯(cuò)誤.您只需要一個(gè)循環(huán),而不是嵌套.更改您的代碼如下:

                  ';?><!-- 電子商務(wù) UI #2 --><div class="ecom-ui ecom-ui-two"><div class="img-container"><!-- 產(chǎn)品圖片--><a href="#"><img class="img-responsive" src="img/product/<?php echo $row[thumbimage]; ?>"alt=""/></a><!-- 產(chǎn)品詳情--><div class="product-details"><!-- 產(chǎn)品名稱--><h4><a href="#"><?php echo $row[name];?></a><span class="color pull-right">€<?php echo $row[price];?></span></h4><div class="clearfix"></div><p>Lorem Ipsum 只是印刷行業(yè)的虛擬文本.</p><!-- 價(jià)格--><div><span class="cart"><a href="#">加入購(gòu)物車(chē)</a></span><!-- 媒體圖標(biāo)--><span class="p-media pull-right"><a href="#" class="b-tooltip" data-placement="top" title="21"><i class="fa fa-heart red"></i></a><a href="#" class="b-tooltip" data-placement="top" title="49"><i class="fa fa-share-alt red"></i></a><a href="#" class="b-tooltip" data-placement="top" title="35"><i class="fa fa-thumbs-up red"></i></a></span><div class="clearfix"></div>

                  <!-- 電子商務(wù) UI #2 -->

                  <?php$i++;if ($i%4 == 0) echo '</div><div class="row">';?></div><br/>

                  邏輯: 需要遍歷$data中的所有(每一)行,當(dāng)循環(huán)執(zhí)行4次時(shí),就斷行(by </div>) 并開(kāi)始新的(通過(guò)

                  ).為了處理這個(gè)問(wèn)題,在循環(huán)之前用 0 啟動(dòng)計(jì)數(shù)器 $i 并在每次循環(huán)后將它增加 1.當(dāng) $i 可以被 4 完全整除時(shí),echo "closed-row(div)-and-starting-row(div)-code",即.

                  Ive seen alot of solutions here on Stack but none seem to work for me, so im trying to write it based upon what im seeing others do.

                  Im able to count the columns and start the new row, but the problem is, since im doing this in a foreach (getting data from DB) it will now place each entry from DB 4 times->close the row; start a new row->and show the second entry from DB 4 times->close the row; start a new row->and shows the third entry from DB 4 times, and so on... (my code is on the bottom of this post)

                  So, right now this code displaying items like:

                  col-md3(item1)  | col-md3(item1)  |  col-md3(item1)  | col-md3(item1)
                  col-md3(item2)  | col-md3(item2)  |  col-md3(item2)  | col-md3(item2)
                  ....
                  ....
                  

                  however, i want it to display like:

                  col-md3(item1)  | col-md3(item2) | col-md3(item3) | col-md3(item4)
                  col-md3(item5)  | col-md3(item6) | col-md3(item7) | col-md3(item8)
                  ....            |  ...           |  ....          |  ....
                  ....
                  

                  My code right now :

                  foreach($data as $row) {
                      echo '<div class="row">';
                      for ($i=0; $i<4;$i++){
                          if ($i%4 == 0 && $i != 0){
                              echo '</div><div class="row">';
                          }
                          echo '<div class="col-md-3">';
                          ?>
                          <!-- Ecommerce UI #2 -->
                              <div class="ecom-ui ecom-ui-two">
                                  <div class="img-container">
                                      <!-- Product Image -->
                                      <a href="#"><img class="img-responsive" src="img/product/<?php echo $row[thumbimage]; ?>" alt="" /></a>
                                  </div>
                                  <!-- product details -->
                                  <div class="product-details">
                                      <!-- product title -->
                                      <h4><a href="#"><?php echo $row[name]; ?></a> <span class="color pull-right">€<?php echo $row[price]; ?></span></h4>
                                      <div class="clearfix"></div>
                                      <p>Lorem Ipsum is simply dummy text of printing the printing industry.</p>
                                      <!-- Price -->
                                      <div>
                                          <span class="cart"><a href="#">Add to cart</a></span>
                                          <!-- Media icon -->
                                          <span class="p-media pull-right">
                                              <a href="#" class="b-tooltip" data-placement="top" title="21"><i class="fa fa-heart red"></i></a>
                                              <a href="#" class="b-tooltip" data-placement="top" title="49"><i class="fa fa-share-alt red"></i></a>
                                              <a href="#" class="b-tooltip" data-placement="top" title="35"><i class="fa fa-thumbs-up red"></i></a>
                                          </span>
                                          <div class="clearfix"></div>
                                      </div>
                                  </div>
                              </div>
                              <!-- Ecommerce UI #2 -->
                              <?php
                           echo'</div>';
                       }
                       echo '</div><br />';
                   }
                  

                  解決方案

                  There is logic error in printing code. You need only one loop, not nested. Change your code as below:

                  <?php .....
                  ....
                  $i=0;
                  echo '<div class="row">';
                  foreach($data as $row) {
                      echo '<div class="col-md-3">';
                      ?>
                      <!-- Ecommerce UI #2 -->
                      <div class="ecom-ui ecom-ui-two">
                          <div class="img-container"><!-- Product Image -->
                              <a href="#"><img class="img-responsive" src="img/product/<?php echo $row[thumbimage]; ?>" alt="" /></a>
                          </div>
                          <!-- product details --><div class="product-details">
                              <!-- product title -->
                              <h4><a href="#"><?php echo $row[name]; ?></a><span class="color pull-right">€<?php echo $row[price]; ?></span></h4>
                              <div class="clearfix"></div>
                              <p>Lorem Ipsum is simply dummy text of printing the printing industry.</p>
                              <!-- Price --><div>
                                  <span class="cart"><a href="#">Add to cart</a></span>
                                  <!-- Media icon --><span class="p-media pull-right">
                                      <a href="#" class="b-tooltip" data-placement="top" title="21"><i class="fa fa-heart red"></i></a>
                                      <a href="#" class="b-tooltip" data-placement="top" title="49"><i class="fa fa-share-alt red"></i></a>
                                      <a href="#" class="b-tooltip" data-placement="top" title="35"><i class="fa fa-thumbs-up red"></i></a>
                                  </span>
                                  <div class="clearfix"></div>
                              </div>
                          </div>
                      </div>
                      <!-- Ecommerce UI #2 -->
                      </div>
                      <?php
                      $i++;
                      if ($i%4 == 0) echo '</div><div class="row">';
                  } ?>
                  </div><br />
                  

                  Logic: Need to loop through all(each) rows in $data, when loop executed 4 times then break the row(by </div>) and start the new (by <div class="row">). To handle that start the counter $i before loop with 0 and increment it by 1 after each loop. When $i is fully-dividable by 4 then echo "closing-row(div)-and-starting-row(div)-code", ie. </div><div class="row">

                  這篇關(guān)于php循環(huán)計(jì)數(shù)器引導(dǎo)行的文章就介紹到這了,希望我們推薦的答案對(duì)大家有所幫助,也希望大家多多支持html5模板網(wǎng)!

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