本文实例分析了PHP实现动态柱状图的改进版。分享给大家供大家参考。具体分析如下：
前面已经写过如果只做动态柱状图的情况，其实原理还是很简单的。因为昨天下午有新的需求，今天上午又修改了一番，并将数据根据编号不同分割显示在表中。
下面把代码粘出来，方便以后自己查看，思路只是一时的火花，今天我想出来这么做，不一定下次还能想得到，也不用费劲的去想，所以写成笔记是比较好的形式。
<!DOCTYPE html> <?php // 计算上一个月的今天 function last_month_today($time) { $last_month_time = mktime(date("G", $time), date("i", $time), date("s", $time), date("n", $time), 0, date("Y", $time)); $last_month_t = date("t", $last_month_time); if ($last_month_t < date("j", $time)) { return date("Y-m-t H:i:s", $last_month_time); } return date(date("Y-m", $last_month_time) . "-d", $time); } ?> <?php include dirname(dirname(dirname(__FILE__))) . '/config.php'; $endDate = date('Y-m-d'); $date = strtotime($endDate); $beginDate = last_month_today($date); $sql = 'select count(*) from newpro where p_date>/'' . $beginDate . '/' and p_date</'' . $endDate . '/''; $d = db()->query($sql)->fetch(PDO::FETCH_NUM); $sql2 = $sql . ' and is_pa_check_first=1 and is_pa_check_second=1 and is_pa_check_third=1'; $d2 = db()->query($sql2)->fetch(PDO::FETCH_NUM); $sql3 = $sql . ' and is_pa_check_first=1'; $d3 = db()->query($sql3)->fetch(PDO::FETCH_NUM); $sql4 = $sql . ' and is_pa_check_first=1 and is_pa_check_second=1'; $d4 = db()->query($sql4)->fetch(PDO::FETCH_NUM); // 查询每个人通过审核的情况： $sqlab = 'select d_m,sum(sroce) as total_score,count(d_m) as total_number from newpro where is_pa_check_first=1 and is_pa_check_second=1 and is_pa_check_third =1 group by d_m'; $row = db()->query($sqlab)->fetchAll(PDO::FETCH_ASSOC); ?> <html> <head> <meta charset="utf-8" /> <style> div { background-color: #669900; width: 50px; } #div1 { height: 200px; } #table td { } </style> <script type="text/javascript" src="../../../js/jquery-1.7.2.min.js"></script> </head> <body> <h3 align="center">近一个月总的情况</h3> <table border="0" align="center" id="table1"> <caption> <?php echo "时间：".$beginDate."至".$endDate?> </caption> <tr align="center" valign="bottom"> <td> <p><?php echo $d[0]?></p> <div id="div1"></div> </td> <td> <p><?php echo $d3[0]?></p> <div style="height:<?php $str=floor(($d3[0]/$d[0])*200); echo $str.'px'?>"></div> </td> <td> <p><?php echo $d4[0]?></p> <div style="height:<?php $str=floor(($d4[0]/$d[0])*200); echo $str.'px'?>"></div> </td> <td> <p><?php echo $d2[0]?></p> <div style="height:<?php $str=floor(($d2[0]/$d[0])*200); echo $str.'px'?>"></div> </td> </tr> <tr align="center" valign="top"> <td><p>总计</p></td> <td><p>一审通过</p></td> <td><p>二审通过</p></td> <td><p>审核通过</p></td> </tr> </table> <h3 align="center">近一个月每个人的情况</h3> <table border="0" width="100%"> <caption>每个人的完成情况如下表：</caption> <!-- 因为总的列数比较长，如果显示在一个表格中，数据会很拥挤，多的话根本就看不清楚。 所以需要将数据进行分割，根据长度进行动态的分割，显示在多张表中。 --> <?php $arr = array_chunk($row,2,false);//2表示分割的单位长度，false表示索引从0开始 foreach($arr as $newRow){ $thStr = "<th style='background-color:#669900' width='110px' height='30px'>产品开发编号</th>"; $trStr_total_score = "<tr align='center' style='background-color:silver' height='25px'><td>总分</td>"; $trStr_total_number = "<tr align='center' style='background-color:silver' height='25px'><td>总数量</td>"; $trStr_average_score = "<tr align='center' style='background-color:silver' height='25px'><td>平均分</td>"; $resultStr = ""; foreach ($newRow as $key => $value) { // echo $key."=>".$value."<br/>"; $x = 0; foreach ($value as $key2 => $value2) { // echo $key2 . "=>" . $value2 . "<br/>"; if ($key2 == 'd_m') { $thStr .= "<th style='background-color:#669900'>" . $value2 . "</th>"; // 表头 } elseif ($key2 == 'total_score') { $value2 = sprintf("%.2f", $value2); //保留2位小数 $trStr_total_score .= "<td>" . $value2 . "</td>"; $x += $value2; } elseif ($key2 == 'total_number') { $trStr_total_number .= "<td>" . $value2 . "</td>"; $x /= $value2; } } $x = sprintf("%.2f",$x); $trStr_average_score .= "<td>" . $x . "</td>"; } echo "<table border='0' width='100%'>"; echo $thStr; echo $trStr_total_number . "</tr>"; echo $trStr_total_score . "</tr>"; echo $trStr_average_score . "</tr>"; echo "</table>"; echo "<p height='150px'></p>"; } ?> </table> </body> </html>
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