public function reg_data()
{
$_label = array('05-01', '05-02', '05-03', '05-04', '05-05', '05-06', '05-07', '05-08', '05-09', '05-10', '05-11', '05-12', '05-13', '05-14', '05-15');
$_value = array(1235, 1125, 1323, 1389, 1256, 1568, 1383, 1677, 1953, 1798, 2089, 2215, 1738, 2189, 2315);
$_max_value = 2500;
$this->load->library('OFC_Chart');
$title = new OFC_Elements_Title("日注册用户数(人)");
//创建图表类型对象
$element = new OFC_Charts_Bar_Glass();
//设置图标值
$element->set_values($_value);
//$element->set_width( 2 );
//$element->set_dot_style(array('type'=>"solid-dot",'dot-size'=>5,'halo-size'=>1,'colour'=>'#3D5C56'));
//设置动画
$element->set_on_show(array('type' => "pop-up", 'cascade' => 0.8, 'delay' => 0.1));
$element->set_colour("#009829");
//创建图表对象
$chart = new OFC_Chart();
$chart->set_title($title);
//图表类型添加到图表
$chart->add_element($element);
//x轴
$x_axis = new OFC_Elements_Axis_X();
$x_axis->set_labels(array('labels' => $_label));
$x_axis->set_steps(1);
$chart->set_x_axis($x_axis);
//y轴
$y_axis = new OFC_Elements_Axis_Y();
$y_axis->set_range(0, $_max_value, $_max_value / 10);
$chart->set_y_axis($y_axis);
//x 脚标
$x_legend = new OFC_Elements_Legend_X('日期');
$x_legend->set_style('{font-size: 20px; color: #778877}');
$chart->set_x_legend($x_legend);
$chart->set_bg_colour('#ffffff');
echo $chart->toPrettyString();
}
