大神来帮忙啊!怎么把这两段代码的功能结合起来啊,试了一天了。。。
情况是要做一个页面,输出数据库的销售记录,卖出3件以上的显示绿色,3件以下白色。
这个功能已经实现了,代码:
<?php<br />$conn = mysql_connect('127.0.0.1:8889', 'root', 'root');<br />mysql_select_db('chanping', $conn);<br />$sql="select * from xiaoshou";<br />$r = mysql_query($sql);<br />?><br /><br /> <br /> <?php<br /> <br /> while($rs = mysql_fetch_assoc($r))<br /> {<br /> if($rs["count"] >= "3")<br /> {<br /> echo ("<tr bgcolor=green>");<br /> }else{<br /> echo ("<tr bgcolor=white>");<br /> }<br />?><br /> <tr><br /> <td><?php echo $rs["xinghao"];?></td><td><?php echo $rs["count"];?></td><br /> </tr><br /> <?php<br /> }<br /> <br />echo ("</table>");<br />?>
这个是每条记录为一行,垂直显示的。
在这个基础上,希望HTML页面以每3段完整记录(型号和count)为一行历遍下去,网上找了段代码如下:
<?php <br />$a = array (1,2,3,4,5,6,7,8,9,10,11); <br />$i = 0; <br />?> <br /><table border=1> <br /><tr> <br /><? <br />foreach ($a as $k){ <br />if($i%3==0) {//该处表示需要横向排列的列数. <br />echo "</tr><tr>"; <br />} <br />echo "<td>",$k,"</td>";//该处显示该列的数据. <br />$i ++; <br />} <br />?>
这两段代码怎么结合起来啊?
能让网页按如下显示
xinghao1 count xinghao2 count xinghao3 count
xinghao4 count xinghao5 count xinghao6 count
xinghao7 count xinghao8 count xinghao9 count
试了很多都不成功 ,求大神帮助!不胜感激!
------解决思路----------------------
<br /><?php<br />$conn = mysql_connect('127.0.0.1:8889', 'root', 'root');<br />mysql_select_db('chanping', $conn);<br />$sql="select * from xiaoshou";<br />$r = mysql_query($sql);<br />?><br /><table><br /><?php<br />$index = 1;<br />while($rs = mysql_fetch_assoc($r))<br />{<br /> if($index%3==1) echo('<tr>');<br /> if($rs["count"] >= "3")<br /> {<br /> echo ("<td bgcolor=green>");<br /> }else{<br /> echo ("<td bgcolor=white>");<br /> }<br />?><br /> <?php echo $rs["xinghao"];?></td><td><?php echo $rs["count"];?></td><br /><?php<br /> if($index%3==0) echo('</tr>');<br /> $index++;<br />}<br />--$index<br />if($index%3!=0) echo('</tr>');<br />?><br /></table><br />
代码没试过,思路应该是这样
------解决思路----------------------
<?php<br />$conn = mysql_connect('127.0.0.1:8889', 'root', 'root');<br />mysql_select_db('chanping', $conn);<br />$sql="select * from xiaoshou";<br />$r = mysql_query($sql);<br />?><br /> <br /> <br /> <?php<br />echo "<table>";<br /> $k=1;<br /> while($rs = mysql_fetch_assoc($r))<br /> {<br /> $color=$rs["count"] >= "3"?"green":"white";<br /> echo $k%3==1?"<tr>":"";<br />?><br /> <td bgcolor="<?php echo $color;?>"><?php echo $rs["xinghao"];?></td><br /> <td bgcolor="<?php echo $color;?>"><?php echo $rs["count"];?></td><br /> <?php<br /> echo $k%3==0?"</tr>":"";<br /> $k++;<br /> }<br />echo "</table>";<br />?><br />

APHPDependencyInjectionContainerisatoolthatmanagesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itactsasacentralhubforcreatingandinjectingdependencies,thusreducingtightcouplingandeasingunittesting.

Select DependencyInjection (DI) for large applications, ServiceLocator is suitable for small projects or prototypes. 1) DI improves the testability and modularity of the code through constructor injection. 2) ServiceLocator obtains services through center registration, which is convenient but may lead to an increase in code coupling.

PHPapplicationscanbeoptimizedforspeedandefficiencyby:1)enablingopcacheinphp.ini,2)usingpreparedstatementswithPDOfordatabasequeries,3)replacingloopswitharray_filterandarray_mapfordataprocessing,4)configuringNginxasareverseproxy,5)implementingcachingwi

PHPemailvalidationinvolvesthreesteps:1)Formatvalidationusingregularexpressionstochecktheemailformat;2)DNSvalidationtoensurethedomainhasavalidMXrecord;3)SMTPvalidation,themostthoroughmethod,whichchecksifthemailboxexistsbyconnectingtotheSMTPserver.Impl

TomakePHPapplicationsfaster,followthesesteps:1)UseOpcodeCachinglikeOPcachetostoreprecompiledscriptbytecode.2)MinimizeDatabaseQueriesbyusingquerycachingandefficientindexing.3)LeveragePHP7 Featuresforbettercodeefficiency.4)ImplementCachingStrategiessuc

ToimprovePHPapplicationspeed,followthesesteps:1)EnableopcodecachingwithAPCutoreducescriptexecutiontime.2)ImplementdatabasequerycachingusingPDOtominimizedatabasehits.3)UseHTTP/2tomultiplexrequestsandreduceconnectionoverhead.4)Limitsessionusagebyclosin

Dependency injection (DI) significantly improves the testability of PHP code by explicitly transitive dependencies. 1) DI decoupling classes and specific implementations make testing and maintenance more flexible. 2) Among the three types, the constructor injects explicit expression dependencies to keep the state consistent. 3) Use DI containers to manage complex dependencies to improve code quality and development efficiency.

DatabasequeryoptimizationinPHPinvolvesseveralstrategiestoenhanceperformance.1)Selectonlynecessarycolumnstoreducedatatransfer.2)Useindexingtospeedupdataretrieval.3)Implementquerycachingtostoreresultsoffrequentqueries.4)Utilizepreparedstatementsforeffi


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

Dreamweaver Mac version
Visual web development tools

MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

WebStorm Mac version
Useful JavaScript development tools

Zend Studio 13.0.1
Powerful PHP integrated development environment
