jpgraph 實例文檔

時間 2020-08-10

標籤 jpgraph 實例文檔简体版

原文原文鏈接

下載
在官方網站http://www.aditus.nu/jpgraph/ 下載jpgraph，其中1.X系列是用於PHP4的，2.X系列是用於PHP5的。

安裝
將下載的獲得的jpgraph壓縮文件解壓至相應的路徑。php

配置
首先須要注意的是：要想適用jpgraph，你的PHP必須開啓了GD2擴展。
在jpgraph.php中有如下這樣一段代碼是設置字體文件路徑的
if (!defined('TTF_DIR')) {css

if (strstr( PHP_OS, 'WIN') ) {html

$sroot = getenv('SystemRoot');mysql

if( empty($sroot) ) {sql

$t = new ErrMsgText();數據庫

$msg = $t->Get(12,$file,$lineno);windows

die($msg);數組

}ide

else {字體

define('TTF_DIR', $sroot.'/fonts/');

}

} else {

define('TTF_DIR','/usr/share/fonts/truetype/');ç (個人做法是將windows下的fonts文件夾下的字體所有COPY到/usr/local/fonts/truetype)

}

要支持中文須要用到simhei.ttf和simsun.ttc這兩個字體,在使用中文的時候須要使用SetFont(FF_SIMSUN,FS_BOLD)設置字體。

若是你的文件編碼爲utf-8,修改方法以下：
代碼：
方法一，在程序中修改
$title="流量圖";
$title = iconv("UTF-8", "gb2312", $title);
$graph->title->Set($title);
方法二，修改源文件jpgraph_ttf.inc.php
在第99-106行，改爲下面這樣子
   elseif( $aFF === FF_SIMSUN ) {
        // Do Chinese conversion
        /*
        if( $this->g2312 == null ) {
       include_once 'jpgraph_gb2312.php' ;
       $this->g2312 = new GB2312toUTF8();
        }
        return $this->g2312->gb2utf8($aTxt);
        */
       return $aTxt;
   }

jpgraph默認顯示漢字時是把漢字編碼認爲gb2312,轉化爲utf-8之後再顯示。
這樣的話，若是你的文件編碼是gb2312,SetFont方法的第一個參數爲FF_SIMSUN便可。
若是你是utf-8編碼你還須要先把漢字編碼轉化爲gb2312，這樣你的漢字才能夠正常顯示。

使用
能夠參照jpgraph-2.3.4\src\Examples中的例子。下面是一些經常使用的：
$graph->title->Set(‘設置圖表的標題’);
$graph->xaxis->title->Set("設置X軸的標題");
$graph->yaxis->title->Set("設置Y軸的標題");

//設置字體若是是中文，第一個參數通常設置爲FF_SIMSUN
SetFont(FF_SIMSUN,FS_BOLD,14);
//如設置圖表標題的字體
$graph->title->SetFont(FF_SIMSUN,FS_BOLD,14);

//設置顏色
SetColor('red');

Example:

例1. php Jpgraph繪製簡單的X-Y座標圖

<?php

include ("../jpgraph.php");

include ("../jpgraph_line.php");

//將要用於圖表建立的數據存放在數組中

$data = array(19,23,34,38,45,67,71,78,85,90,96,145);

$graph = new Graph(500,300); //建立新的Graph對象

$graph->SetScale("textlin"); //設置刻度樣式

$graph->img->SetMargin(30,30,80,30); //設置圖表邊界

$graph->title->Set("CDN Traffic Total"); //設置圖表標題

$graph->title->SetColor("blue");

$graph->title->SetMargin(20);

// Create the linear plot

$lineplot=new LinePlot($data); // 建立新的LinePlot對象

$lineplot->SetLegend("Line(Mbits)"); //設置圖例文字

$lineplot->SetColor("red"); // 設置曲線的顏色

// Add the plot to the graph

$graph->Add($lineplot); //在統計圖上繪製曲線

// Display the graph

$graph->Stroke(); //輸出圖像

例2. php Jpgraph繪製複雜的X-Y座標圖

<?php

include ("../jpgraph.php");

include ("../jpgraph_line.php");

$data1 = array(523,634,371,278,685,587,490,256,398,545,367,577); //第一條曲線的數組

$data2 = array(19,23,34,38,45,67,71,78,85,87,90,96); //第二條曲線的數組

$graph = new Graph(500,300,auto); //建立新的Graph對象

$graph->SetScale("textlin");

$graph->SetShadow(); //設置圖像的陰影樣式

$graph->img->SetMargin(60,30,30,70); //設置圖像邊距

$graph->title->Set("CDN流量圖"); //設置圖像標題

$graph->title->SetMargin(10);

$lineplot1=new LinePlot($data1); //建立設置兩條曲線對象

$lineplot2=new LinePlot($data2);

$lineplot1->value->Show();

$lineplot1->value->SetColor("black");

$graph->Add($lineplot1); //將曲線放置到圖像上

$graph->Add($lineplot2);

$graph->xaxis->title->Set("月份"); //設置座標軸名稱

$graph->yaxis->title->Set("流量(Gbits)");

$graph->xaxis->title->SetMargin(10);

$graph->yaxis->title->SetMargin(10);

$graph->title->SetFont(FF_SIMSUN,FS_BOLD); //設置字體

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

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

$graph->xaxis->SetTickLabels($gDateLocale->GetShortMonth());

$lineplot1->SetColor("red"); //設置顏色

$lineplot2->SetColor("blue");

$lineplot1->SetLegend("Max"); //設置圖例名稱

$lineplot2->SetLegend("Min");

$graph->legend->SetLayout(LEGEND_HOR); //設置圖例樣式和位置

$graph->legend->Pos(0.5,0.96,"center","bottom");

$graph->Stroke(); //輸出圖像

例3. php Jpgraph繪製柱形圖

<?php

include ("../jpgraph.php");

include ("../jpgraph_bar.php");

$data = array(19,23,34,38,45,67,71,78,85,87,96,145); //定義數組

$ydata = array("一","二","三","四","五","六","七","八","九","十","十一","十二");

$graph = new Graph(500,300); //建立新的Graph對象

$graph->SetScale("textlin");

$graph->SetShadow(); //設置陰影

$graph->img->SetMargin(40,30,40,50); //設置邊距

$barplot = new BarPlot($data); //建立BarPlot對象

$barplot->SetFillColor('blue'); //設置顏色

$barplot->value->Show(); //設置顯示數字

$graph->Add($barplot); //將柱形圖添加到圖像中

$graph->title->Set("CDN流量圖"); //設置標題和X-Y軸標題

$graph->title->SetColor("red");

$graph->title->SetMargin(10);

$graph->xaxis->title->Set("月份");

$graph->xaxis->title->SetMargin(5);

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

$graph->yaxis->title->Set("流量(Mbits)");

$graph->title->SetFont(FF_SIMSUN,FS_BOLD); //設置字體

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

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

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

$graph->Stroke();

例4. php Jpgraph繪製餅圖

<?php

include ("../jpgraph.php");

include ("../jpgraph_pie.php");

$data = array(19,23,34,38,45,67,71,78,85,87,90,96);

$lable_data = range(1,12);

$graph = new PieGraph(400,300);

$graph->SetShadow();

$graph->title->Set("CDN流量比例");

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

$pieplot = new PiePlot($data);

$pieplot->SetLegends($lable_data);

$pieplot->SetCenter(0.4);

$graph->Add($pieplot);

$graph->Stroke();

例5. php Jpgraph繪製3D餅圖

<?php

include ("../jpgraph.php");

include ("../jpgraph_pie.php");

include ("../jpgraph_pie3d.php");

$data = array(19,23,34,38,45,67,71,78,85,87,90,96);

$graph = new PieGraph(550,400);

$graph->SetShadow();

$graph->title->Set("CDN流量比例");

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

$pieplot = new PiePlot3D($data); //建立PiePlot3D對象

$pieplot->SetCenter(0.4); //設

置餅圖中心的位置

$pieplot->SetLegends($gDateLocale->GetShortMonth()); //設置圖例

$graph->Add($pieplot);

$graph->Stroke();

例6.

index.html

<html>

<head>

<title>CDN流量查詢系通通計</title>

<mce:style type="text/css"><!--

.style1 {

font-size: 16px;

font-weight: bold;

}

--></mce:style><style type="text/css" mce_bogus="1">.style1 {

font-size: 16px;

font-weight: bold;

}</style>

</head>

<body>

<p align="center" class="style1"> CDN流量查詢系通通計</p>

<tr>

</select></td>

</tr>

<tr>

</select></td>

</tr>

<tr>

</select></td>

</tr>

<tr>

<td><strong>統計圖類別</strong></td>

</select></td>

</tr>

</table>

</p>

</form>

</body>

</html>

result.php

<?php

include ("../jpgraph.php");

include ("../jpgraph_line.php");

include ("../jpgraph_bar.php");

include ("../jpgraph_pie.php");

include ("../jpgraph_pie3d.php");

$conn = mysql_connect("localhost", "root", "woxiangnileyali"); //鏈接數據庫

$acct_yr = $_GET['acct_yr']; //獲取年份

$start_mth = $_GET['start_mth']; //獲取超始月份

$end_mth = $_GET['end_mth']; //獲取結束月份

$choose = $_GET['graph']; //獲取圖形類型

mysql_select_db("test", $conn); //執行SQL, 得到銷量值

$query_rs_prod = "SELECT acct_mth, amount FROM traffic WHERE acct_yr = '$acct_yr' and acct_mth between '$start_mth' and '$end_mth'";

$rs_prod = mysql_query($query_rs_prod, $conn) or die(mysql_error());

$row_rs_prod = mysql_fetch_assoc($rs_prod);

$totalRows_rs_prod = mysql_num_rows($rs_prod);

$data = array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); //初始化數組

do //循環設置各月份數值

{

$i = (int)$row_rs_prod['acct_mth']-1;

$data[$i] = $row_rs_prod['amount'];

} while($row_rs_prod = mysql_fetch_assoc($rs_prod));

switch($choose)

{

case 1:

$graph = new Graph(400,300); //建立新的Graph對象

$graph->SetScale("textlin"); //設置刻度樣式

$graph->img->SetMargin(30,30,80,30); //設置圖表邊界

$graph->title->SetFont(FF_SIMSUN,FS_BOLD); //設置字體

$graph->title->Set("CDN流量查詢"); //設置圖表標題

$lineplot=new LinePlot($data);

$lineplot->SetLegend("Line");

$lineplot->SetColor("red");

$graph->Add($lineplot);

break;

case 2:

$graph = new Graph(400,300);

$graph->SetScale("textlin");

$graph->SetShadow();

$graph->img->SetMargin(40,30,20,40);

$barplot = new BarPlot($data); //建立BarPlot對象

$barplot->SetFillColor('blue'); //設置顏色

$barplot->value->Show(); //設置顯示數字

$graph->Add($barplot); //將柱形圖添加到圖像中

$graph->title->Set("CDN流量查詢"); //設置標題和X-Y軸標題

$graph->xaxis->title->Set("月份");

$graph->yaxis->title->Set("流量(Gbits)");

$graph->title->SetFont(FF_SIMSUN,FS_BOLD); //設置字體

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

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

break;

case 3:

$graph = new PieGraph(400,300);

$graph->SetShadow();

$graph->title->Set("CDN流量查詢");

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

$pieplot = new PiePlot($data);

$pieplot->SetLegends($gDateLocale->GetShortMonth()); //設置圖例

$graph->Add($pieplot);

break;

case 4:

$graph = new PieGraph(400,300);

$graph->SetShadow();

$graph->title->Set("CDN流量查詢");

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

$pieplot = new PiePlot3D($data); //建立PiePlot3D對象

$pieplot->SetCenter(0.4); //設置餅圖中心的位置

$pieplot->SetLegends($gDateLocale->GetShortMonth()); //設置圖例

$graph->Add($pieplot);

break;

default:

echo "graph參數錯誤";

exit;

}

$graph->Stroke();

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