<?php

/**

*2015投票统计柱图生成

*

*@author liuzhifeng

*@date 2015-01-14

*/

$countData = array();

$statisHtml = ""; //拼接列表字串

$totalCount = 284; //总投票数 模拟从数库里取出的数据 0 表示没有/284 是二维数组$countData里num值的总和

if($totalCount == 0) //没有投票记录时

{

$optionsName = array("儿童功能床选购要点", "多样创意 懒人沙发", "记忆枕有何优点", "电源板安装注意事项");

foreach($optionsName as $value)

{

$statisHtml .= "<li><span class='statistics-content-text'>" . $value . "</span>";

$statisHtml .= "<span class='statistics-content-progress'><span style='width:0'></span></span><span></span>";

$statisHtml .= "<span class='statistics-content-ticket'>0<small>票</small></span></li>";

}

}

else //取到投票数据时

{

$countData = array( //模拟从数库里取出的数据 num的总和等于上面$totalCount

array("id" => 1, "num" => 75, "options" => "儿童功能床选购要点"),

array("id" => 2, "num" => 69, "options" => "多样创意 懒人沙发"),

array("id" => 3, "num" => 98, "options" => "记忆枕有何优点"),

array("id" => 4, "num" => 42, "options" => "电源板安装注意事项")

);

$countData = array_sort($countData, "num"); //降序排列数组

foreach ($countData as $value) //拼接排序列表字串

{

$perent = round(($value['num']/$totalCount)*100) . "%"; //计算该选项所占总投票数的百分比 四舍五入 不保留小数

$statisHtml .= "<li><span class='statistics-content-text'>" . $value['options'] . "</span>";

$statisHtml .= "<span class='statistics-content-progress'><span style='width:" . $perent . "'></span></span><span>" . $perent . "</span>";

$statisHtml .= "<span class='statistics-content-ticket'>" .$value['num'] ."<small>票</small></span></li>";

}

}

/**

*二维数组按指定的键值排序 功能函数

*@author : liuzhifeng

*@date : 2015-01-12

*$param : - array ,$arr 要处理的数组名

* : - mixed ,$keys 指定的排序键值

* : - string ,$type 排序方式 默认是降序

*$return : - array ,$new_array 返回数组

*/

function array_sort($arr = array(), $keys = "", $type = 'desc')

{

$keysvalue = $new_array = array();

foreach ($arr as $k => $v) //取出二维数组中指定列的值 拼成一个数组

{

$keysvalue[$k] = $v[$keys];

}

if ($type == 'asc') {

asort($keysvalue); //升序排列 上面拼成的数组

}

else

{

arsort($keysvalue); //降序排列 上面接成的数组

}

reset($keysvalue);

foreach ($keysvalue as $k => $v) {

$new_array[$k] = $arr[$k];

}

return $new_array;

}

include("./viewdemo.html");