php图形jpgraph操作实例分析

本文实例讲述了php 图形 jpgraph操作。分享给大家供大家参考，具体如下：

									<?php

									include ("src/jpgraph.php");

									include("src/jpgraph_bar.php");

									include ("src/jpgraph_line.php");

									//设置显示的数据数组；

									//调用类库

									//设置图像的大小

									$graph = new Graph(400,200,"auto");

									$graph->SetScale("textlin");

									//设置图形的边距

									$graph->img->SetMargin(40,180,40,40);

									//设置图形的背景图片，填充方式有：BGIMG_FILLPLOT, BGIMG_FILLFRAME, BGIMG_COPY

									$graph->SetBackgroundImage("abc.jpg",BGIMG_FILLPLOT);

									$graph->img->SetAngle(45); //设置图形在图像中的角度

									//设置背景图片的对比度，must be between -1 <= x <= 1, (0,0)=original image

									$graph->AdjBackgroundImage(0,0);

									//设置投影；

									//$graph->SetShadow();

									//设置标题

									$graph->title->Set("test image");

									//设置标题字体样式

									$graph->title->SetFont(FF_FONT1,FS_BOLD);

									//设置标题的边距

									$graph->title->SetMargin(3);

									//设置图列的位置

									$graph->legend->Pos(0.05,0.5,"right","center");

									//设置图列的投影，颜色

									$graph->legend->SetShadow('darkgray@0.1');

									$graph->legend->SetFillColor('lightblue@0.3');

									//设置x轴的标记

									$graph->xaxis->SetTickLabels($label_x);

									//设置X轴的显示值的角度;

									$graph->xaxis->SetLabelAngle(30);

									//设置x轴标题和字体颜色

									$graph->xaxis->title->Set('Year 2006');

									$graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);

									$graph->xaxis->title->SetColor('white');

									//设置x轴的字体和颜色

									$graph->xaxis->SetFont(FF_FONT1,FS_BOLD);

									$graph->xaxis->SetColor('yellow');

									//设置y轴的字体和颜色

									$graph->yaxis->SetFont(FF_FONT1,FS_BOLD);

									$graph->yaxis->SetColor('yellow');

									//设置是否显示格子。默认为显示；

									//$graph->ygrid->Show(false);

									//设置格子的颜色和粗细。值越小，格子越粗。

									$graph->ygrid->SetColor('yellow@0.5');

									//设置y轴更优美一些

									$graph->yaxis->scale->SetGrace(20);

									//设置图列的数据

									$bplot1 = new BarPlot($datay1);

									$bplot2 = new BarPlot($datay2);

									//设置图列的填充颜色

									$bplot1->SetFillColor('orange@0.4');

									$bplot2->SetFillColor('brown@0.4');

									//设置值的格式

									$bplot1->value->SetFormat('%d');

									//设置图列标签

									$bplot1->SetLegend('Label 1');

									$bplot2->SetLegend('Label 2');

									//设置图列在图中的阴影

									$bplot1->SetShadow('black@0.4');

									$bplot2->SetShadow('black@0.4');

									//生成图列

									$gbarplot = new GroupBarPlot(array($bplot1,$bplot2));

									$gbarplot->SetWidth(0.9);

									$graph->Add($gbarplot);

									//生成图形

									$graph->Stroke();

									//上面所说的时在生成柱形图，当生成线性图时用下面的方法

									$p1 = new LinePlot($datay);

									$p1->mark->SetType(MARK_FILLEDCIRCLE);

									$p1->mark->SetFillColor("red");

									$p1->mark->SetWidth(4);

									$p1->SetColor("blue");

									$p1->SetCenter();

									$p1->SetLegend("Triumph Tiger -98");

									$graph->Add($p1);

									$p2 = new LinePlot($data2y);

									$p2->mark->SetType(MARK_STAR);

									$p2->mark->SetFillColor("red");

									$p2->mark->SetWidth(4);

									$p2->SetColor("red");

									$p2->SetCenter();

									$p2->SetLegend("New tiger -99");

									$graph->Add($p2);

									// Style can also be specified as SetStyle([1|2|3|4]) or

									// SetStyle("solid"|"dotted"|"dashed"|"lobgdashed")

									$lineplot->SetStyle("dashed");//设置线的样式

									$graph->yaxis->scale->SetGrace(20); //设置y轴更优美一些

									?>

2.柱形图和饼状图举例

									if($tag == 1)

									{

									$graph = new Graph(600,400,"auto");

									$graph->SetScale("textlin");

									$graph->setMarginColor('lightblue');

									$graph->SetShadow();

									$graph->setMargin(30,100,30,60);

									//设置标题;

									$graph->title->set("文章分类汇总");

									$graph->title->SetMargin(3);

									$graph->title->setfont(FF_SIMSUN,FS_BOLD);

									$graph->title->setcolor('black@0.5');

									$graph->yaxis->title->SetFont(FF_SIMSUN,FS_BOLD);

									$graph->xaxis->title->SetFont(FF_SIMSUN,FS_BOLD);

									$graph->xaxis->SetFont(FF_SIMSUN,FS_NORMAL);

									$graph->xaxis->SetColor('darkblue','black');

									$graph->xaxis->SetTickLabels($name);

									$graph->xaxis->SetLabelAngle(30);

									$bplot = new BarPlot($article_num);

									$bplot->SetFillColor("orange");

									$bplot->value->SetFormat('%d');

									$bplot->SetShadow('darkgray');

									$bplot->value->show();

									$graph->legend->SetFont(FF_SIMSUN,FS_BOLD);

									$bplot->SetLegend("文章数");

									$graph->Add($bplot);

									$graph->Stroke();

									}

									else

									{

									$graph1 = new PieGraph(600,400,"auto");

									$graph1->SetScale("textlin");

									$graph1->SetShadow();

									$graph1->title->setFont(FF_SIMSUN,FS_BOLD);

									$graph1->title->set("用户文章饼形图");

									$graph1->setMargin(30,100,30,60);

									$p1 = new pieplot3d($article_num);

									$p1->setAngle(80);

									$p1->setsize(0.5);

									$p1->setShadow();

									$p1->ExplodeSlice(2);

									$p1->SetCenter(0.4);

									$graph1->legend->SetFont(FF_SIMSUN,FS_NORMAL);

									$graph1->legend->setshadow();

									$p1->SetLegends($name);

									$graph1->Add($p1);

									$graph1->Stroke();

									}

									//生成本地图片

									$graph->Stroke("路径/文件名.png");