//调用方法：<image src=../../"chart.php">
//chart.php为本文文件名

<?

/*
把角度转换为弧度
*/
function radians ($degrees)
{
return($degrees * (pi()/180.0));
}
/*
** 取得在圆心为（0，0）圆上 x,y点的值
*/
function circle_point($degrees, $diameter)
{
$x = cos(radians($degrees)) * ($diameter/2);
$y = sin(radians($degrees)) * ($diameter/2);

return (array($x, $y));
}
// 填充图表的参数
$chartdiameter = 200; //图表直径
$chartfont = 2; //图表字体
$chartfontheight = imagefontheight($chartfont);//图表字体的大小

 require('mysql.php3');
 $sql=new mysql_class;
 $sql->create('star');
 $sql->query("select * from serch where answer='富士通常昊 九段'");
 $record1=$sql->rows;
 $sql->query("select * from serch where answer='富士通曹薰铉 九段'");
 $record2=$sql->rows;

$chartdata = array( $record1,$record2);//用于生成图表的数据，可通过数据库来取得来确定
//$chartlabel = array("常昊九段", "曹薰铉九段"); //数据对应的名称

//确定图形的大小
$chartwidth = $chartdiameter + 20;
$chartheight = $chartdiameter + 20 +
(($chartfontheight + 2) * count($chartdata));

//确定统计的总数
for($index = 0; $index < count($chartdata); $index++)
{
$charttotal += $chartdata[$index];
}

$chartcenterx = $chartdiameter/2 + 10;

[1] [2] [3] [4] 下一页

在google里搜索更多一个画饼图的画直方图直接用img控制其宽高就可实现

	Web www.51ec.org