本文实例讲述了PHP动态柱状图实现方法。分享给大家供大家参考。具体分析如下:
1.需求
查询最近一个月的数据总条数和审核通过的条数,做成柱状图
2.实现代码:
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<!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 ); //查询最近一个月的总的数据条数 $sql = 'select count(*) from newpro where p_date>\'' . $beginDate . '\' and p_date<\'' . $endDate . '\'' ; //$sql = "select count(*) from newpro where p_date>'$beginDate' and p_date <'$endDate'";//这条语句也可以 $d = db()->query( $sql )->fetch(PDO::FETCH_NUM); //echo "总的数据条数:".$d[0]; //查询审核通过的数据条数 $sql2 = $sql . ' and is_pa_check_first=1 and is_pa_check_second=1 and is_pa_check_third=1' ; $d2 = db()->query( $sql2 )->fetch(PDO::FETCH_NUM); //echo "审核通过的数据条数:".$d2[0]; //查询一次审核通过的条数 $sql3 = $sql . ' and is_pa_check_first=1' ; $d3 = db()->query( $sql3 )->fetch(PDO::FETCH_NUM); //查询二次审核通过的条数 $sql4 = $sql . ' and is_pa_check_first=1 and is_pa_check_second=1' ; $d4 = db()->query( $sql4 )->fetch(PDO::FETCH_NUM); ?> <html> <head> <meta charset= "utf-8" /> <style> table{ cellpadding:0px; cellspacing:0px; } p{ padding:0px; margin:0px; } div{ background-color:#669900; width:50px; } #div1{ height:200px; } </style> <script type= "text/javascript" src= "../../../js/jquery-1.7.2.min.js" ></script> </head> <body> <table border= "0" > <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> </body> </html> |
3.效果图如下所示:
希望本文所述对大家的php程序设计有所帮助。