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([1234]) or // SetStyle(soliddotteddashedlobgdashed) $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);

　　更多关于PHP相关内容感兴趣的读者可查看本站专题：《PHP图形与图片操作技巧汇总》、《PHP基本语法入门教程》、《php面向对象程序设计入门教程》、《PHP网络编程技巧总结》、《PHP数组(Array)操作技巧大全》、《php字符串(string)用法总结》、《php+mysql数据库操作入门教程》及《php常见数据库操作技巧汇总》

　　希望本文所述对大家PHP程序设计有所帮助。