PHP实现股票趋势图和柱形图

这篇文章主要介绍了PHP实现股票趋势图和柱形图,本文效果基于pchart类库实现,给出实现代码和效果图,需要的朋友可以参考下

基于强大的pchart类库。

* @created: 02/05/2015 */ include "libs/pData.class.php"; include "libs/pDraw.class.php"; include "libs/pImage.class.php"; include "database.php"; include "libs/convert.php"; date_default_timezone_set('Asia/Shanghai'); /* * @param type line/other 趋势图/柱形图 默认趋势图 * @param txt 1/other 显示/不显示 提示文字 默认不显示 * @param lang hk/cn 繁体中文/简体中文 默认繁体 * @param id int 股票编号 必填 * @param min int 最小时间 默认无 * @param max int 最大时间 默认无 */ $type = isset($_GET['type']) ? $_GET['type'] : 'line'; $showtxt = (isset($_GET['txt']) && ($_GET['txt'] == 1)) ? true : false; //设置语言 if (isset($_GET['lang'])) { $lang = $_GET['lang'] == 'cn' ? 'cn' : 'hk'; } else { $lang = 'hk'; } $desc_tip = array( 'hk' => array( 'line' => array("昨日收盤價", "股價"), 'bar' => "總成交量：" ), 'cn' => array( 'line' => array("昨日收盘价", "股价"), 'bar' => "总成交量：" ) ); $id = isset($_GET['id']) ? (int)$_GET['id'] : 1; //股票编码 //条件 $wheres = "where stock_no = ".$id; //最小时间 if (isset($_GET['min'])) { $wheres .= " and `created` >= ".(int)$_GET['min']; } //最大时间 if (isset($_GET['max'])) { $wheres .= " and `created` prepare("SELECT * FROM $tb_name " . $wheres); $sth->execute(); $results = $sth->fetchAll(PDO::FETCH_ASSOC); if ($lang == 'hk') { $ttf_path = "fonts/zh_hk.ttc"; } else { $ttf_path = "fonts/zh_cn.ttf"; } //初始化 $line2 = array(); //股价 $bar = array(); //成交量 $times = array(); //时间 foreach ($results as $keys => $values) : $line2[] = $values['current_price']; $bar[] = $values['volume']; //只显示整点的标签 if ($keys % 4 == 0) { $times[] = $values['created']; } else { $times[] = VOID; } endforeach; $l2counts = count($line2); $myData = new pData(); //如果是线型图 if ($type == "line") { //取股票名称 $stock_sth = $dbh->prepare("SELECT `name` FROM `tbl_stock` WHERE `code` = {$id}"); $stock_sth->execute(); $stock_info = $stock_sth->fetch(PDO::FETCH_ASSOC); $func_name = "zhconversion_".$lang; //$stock_name = $func_name($stock_info['name']); $stock_name = "某某公司"; //取出最值 $sql = "SELECT MIN(`current_price`) xiao, MAX(`current_price`) da FROM $tb_name $wheres"; foreach ($dbh->query($sql, PDO::FETCH_ASSOC) as $row) { $bottom = (int)$row['xiao'] - 2; $top = (int)$row['da'] + 2; } //昨日收盘价 $l1s = array(); for ($i = 1; $i addPoints($l1s, "Line1"); $myData->addPoints($line2, "Line2"); $myData->setPalette("Line1",array("R"=>51,"G"=>114,"B"=>178)); $myData->setPalette("Line2",array("R"=>0,"G"=>255,"B"=>0)); $myData->setAxisPosition(0, AXIS_POSITION_RIGHT); $myData->addPoints($times, "Times"); $myData->setSerieDescription("Times","Time"); $myData->setAbscissa("Times"); $myData->setXAxisDisplay(AXIS_FORMAT_TIME,"H:i"); $myPicture = new pImage(480, 300, $myData); //设置默认字体 $myPicture->setFontProperties(array("FontName" => "fonts/en_us.ttf", "FontSize" => 6)); //背景颜色 //$Settings = array("StartR"=>219, "StartG"=>231, "StartB"=>139, "EndR"=>1, "EndG"=>138, "EndB"=>68, "Alpha"=>50); //$myPicture->drawGradientArea(0,0,480,300,DIRECTION_VERTICAL,$Settings); //画格子和标签 $myPicture->setGraphArea(10, 40, 440, 260); $AxisBoundaries = array(0 => array("Min" => $bottom, "Max" => $top)); $Settings = array( "Mode" => SCALE_MODE_MANUAL, "GridR" => 200, "GridG" => 200, "GridB" => 200, "XMargin" => 0, "YMargin" => 0, //"DrawXLines" => false, "GridTicks" => 3, //格子密度 "ManualScale" => $AxisBoundaries, ); $myPicture->drawScale($Settings); //画线 /* $line_arr = array( "ForceColor" => TRUE, "ForceR" => 0, "ForceG" => 0, "ForceB" => 255); $myPicture->drawLineChart($line_arr); */ $myPicture->drawLineChart(); //设置Line1为无效,再画底色 $myData->setSerieDrawable("Line1",FALSE); //画区域底线 $area_arr = array( "ForceTransparency"=>15, //透明度 ); $myPicture->drawAreaChart($area_arr); //是否显示文字 if ($showtxt) { //标题 $myPicture->drawText(200,30,$stock_name,array("FontName"=>$ttf_path, "FontSize"=>11,"Align"=>TEXT_ALIGN_BOTTOMMIDDLE)); //设置Line1为有效 $myData->setSerieDrawable("Line1",TRUE); $myData->setSerieDescription("Line1",$desc_tip[$lang]['line'][0]); $myData->setSerieDescription("Line2",$desc_tip[$lang]['line'][1]); $myPicture->setFontProperties(array("FontName" => $ttf_path,"FontSize"=>8)); $tips = array( "Style"=>LEGEND_NOBORDER, "Mode"=>LEGEND_HORIZONTAL, "FontR"=>0,"FontG"=>0,"FontB"=>0, ); $myPicture->drawLegend(20,26,$tips); } //柱形图 } else { $myData->addPoints($bar, "Bar"); $myData->setPalette("Bar",array("R"=>51,"G"=>114,"B"=>178)); //设置柱子的颜色 $myData->addPoints($times, "Times"); $myData->setSerieDescription("Times","Time"); $myData->setAbscissa("Times"); $myData->setXAxisDisplay(AXIS_FORMAT_TIME,"H:i"); $myPicture = new pImage(480, 200, $myData); //设置默认字体 $myPicture->setFontProperties(array("FontName" => "fonts/en_us.ttf", "FontSize"=>6)); $myPicture->Antialias = FALSE; $myPicture->setGraphArea(50,20,450,180); //网格及坐标 $scaleSettings = array( "Mode" => SCALE_MODE_START0, "GridR"=>200, "GridG"=>200, "GridB"=>200); $myPicture->drawScale($scaleSettings); /* $Palette = array(); for ($i = 0; $i 74,"G"=>114,"B"=>178,"Alpha"=>100); } //$Palette = array("0"=>array("R"=>74,"G"=>114,"B"=>178,"Alpha"=>100)); /* 覆盖画板色 $barSetting = array( "OverrideColors"=>$Palette, ); $myPicture->drawBarChart($barSetting); */ $myPicture->drawBarChart(); //是否显示文字 if ($showtxt) { $tips = array( "Style"=>LEGEND_NOBORDER, "Mode"=>LEGEND_HORIZONTAL, "FontR"=>0,"FontG"=>0,"FontB"=>0, ); $myPicture->setFontProperties(array("FontName" => $ttf_path,"FontSize"=>9)); $alls = 0; //总成交量初始化 foreach ($bar as $value) { $alls += $value; } $myData->setSerieDescription("Bar", $desc_tip[$lang]['bar'].$alls); $myPicture->drawLegend(300,9,$tips); } } $myPicture->stroke(); //$myPicture->autoOutput("image.png"); //保存日志 //file_put_contents("log.txt", json_encode($myData) . "\n"); ?>

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