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PHP实现动态柱状图改进版_php技巧

May 16, 2016 pm 08:18 PM

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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> 
<&#63;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); 
} 
&#63;> 
<&#63;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); 
&#63;> 
<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 id="近一个月总的情况">近一个月总的情况</h3> 
  <table border="0" align="center" id="table1"> 
  <caption> 
     <&#63;php echo "时间：".$beginDate."至".$endDate&#63;> 
     </caption> 
  <tr align="center" valign="bottom"> 
    <td> 
    <p><&#63;php echo $d[0]&#63;></p> 
    <div id="div1"></div> 
    </td> 
    <td> 
    <p><&#63;php echo $d3[0]&#63;></p> 
    <div style="height:<&#63;php $str=floor(($d3[0]/$d[0])*200); echo $str.'px'&#63;>"></div> 
    </td> 
    <td> 
    <p><&#63;php echo $d4[0]&#63;></p> 
    <div style="height:<&#63;php $str=floor(($d4[0]/$d[0])*200); echo $str.'px'&#63;>"></div> 
    </td> 
    <td> 
    <p><&#63;php echo $d2[0]&#63;></p> 
    <div style="height:<&#63;php $str=floor(($d2[0]/$d[0])*200); echo $str.'px'&#63;>"></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 id="近一个月每个人的情况">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。 
   --> 
    <&#63;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>"; 
    } 
    &#63;> 
  </table> 
</body> 
</html>

Copy after login

数据库方便就不弄了，其实，根据查询的表名和字段名，是很容易建一个测试的数据表的。关键是思路，无论怎么变，思路是关键。

为了更加方便的了解代码的效果，截个图吧

希望本文所述对大家的php程序设计有所帮助。

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