$g = new graph(); 建立一个对象
$g->title( 'Spoon sales '. date("Y"), '{font-size: 26px;}' );
$g->set_data( $data ); 设置每个点的数
$g->line_hollow( 2, 4, '0x80a033', 'Spoon sales', 10 );
其中第一个参数是设置线条的粗线，第一个参数是设置圆点的大小，第三个是参数是颜色值，第四个是参签名称，第五个是字体的大小
$g->set_x_labels( array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec' ) ); 设置X的坐标值
$g->set_y_max( 60 ); 设置Y轴的最大值，
// label every 20 (0,20,40,60)
$g->y_label_steps( 6 );将Y轴安最大值分成多少个步长
<?php
include_once( 'ofc-library/open-flash-chart.php' );
$bar = new bar_sketch( 50, 6, '#99FF00', '#7030A0' ); 画柱状图
$bar->key( '% Complete', 10 );设置标题标签
$data = array();
$labels = array();
$bar->data[] = 50;
$labels[] = 'Mon';
$bar->data[] = 65;
$labels[] = 'Tue';
$bar->data[] = 70;
$labels[] = 'Wed';
$bar->data[] = 75;
$labels[] = 'Thu';
$bar->data[] = 80;
$labels[] = 'Fri';
$bar->data[] = 89;
$labels[] = 'Sat';
$bar->data[] = 100;
$labels[] = 'Sun';
//
// ----
//
$g = new graph();
$g->title( 'Paper Mario, % complete', '{font-size: 18px; color: #A0A0A0;}' );
$g->set_tool_tip( 'Progress, #val#%' );//鼠标点到柱状图上所显示的内容
//
//
// set the X axis labels
$g->set_x_labels( $labels );
//$g->set_data( $data );
//$g->bar_sketch( 50, 6, '#99FF00', '#7030A0', '% Complete', 10 );
//
// add the bar object to the graph
//
$g->data_sets[] = $bar;
$g->set_x_label_style( 10,
