PHP draws the stock trend chart and the column chart instance to share

This paper mainly introduces the example of PHP plotting stock trend chart and column chart. Through the Pchart class library to draw the stock trend chart and column chart, I hope to have the need for drawing friends to help.

Based on the powerful Pchart class library.

<?php/* * Stock Trend Chart and column chart * @author: Skiychan <developer@zzzzy.com> * @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 ";d ate_default_timezone_set (' Asia/shanghai ');/* * @param type Line/other trend/Column Chart default trend chart * @param txt 1/other display  /do not show prompt text by default * @param lang hk/cn Traditional Chinese/Simplified Chinese default * @param ID int stock code required * @param min int minimum time default no * @param max int max time Default no/$type = Isset ($_get[' type ')? $_get[' type ': ' line '; $showtxt = (isset ($_get[' txt ') && ($_get[' txt '] = = 1))? true:false;//Set Language if (Isset ($_get[' lang ')) {$lang = $_get[' lang '] = = ' cn '? ' CN ': ' HK ';}  else {$lang = ' HK ';} $desc _tip = Array (' HK ' = = Array (' line ' = = Array ("Price Yesterday", "stock price"), ' bar ' = ' Total Volume: ' ), ' cn ' = = Array (' line ' = = Array ("Yesterday close", "stock price"), ' bar ' = = ' Total Volume: ')); $id = Isset ($_get[' id ')? (int) $_get[' id ']: 1; Stock code//Condition $wheres = "where Stock_no =". $id;//Minimum timeif (Isset ($_get[' min '))) {$wheres. = "and ' Created ' >=". ( int) $_get[' min '];} Maximum time if (Isset ($_get[' Max ')) {$wheres. = "and ' Created ' <=". int) $_get[' Max ';} $wheres. = "ORDER by created", $sth = $dbh->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";} Initialize $line2 = Array (); Stock price $bar = Array (); Volume $times = Array ();  Time foreach ($results as $keys = + $values): $line 2[] = $values [' Current_price '];  $bar [] = $values [' volume '];  Show only the hour of the label if ($keys% = = 0) {$times [] = $values [' Created '];  } else {$times [] = VOID; }endforeach; $l 2counts = count ($line 2), $myData = new PData (),//If line graph if ($type = = "Lines") {//Take stock name $stock _sth = $DBH-&G  T;prepare ("Select ' Name ' from ' tbl_stock ' WHERE ' code ' = {$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 = "xxx Company";//Check out the maximum $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;  }//yesterday close price $l 1s = array ();  for ($i = 1; $i <= $l 2counts; $i + +) {$l 1s[] = 130;  } $myData->addpoints ($l 1s, "Line1");  $myData->addpoints ($line 2, "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, $myData); Sets the default font $myPicture->setfontproperties (Array ("fontname" = "Fonts/en_us.ttf", "FontsiZe "= 6)); Background color//$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);//Draw grid and label $myPicture  Setgrapharea (10, 40, 440, 260);  $AxisBoundaries = Array (0 = = Array ("Min" = = $bottom, "Max" = $top));    $Settings = Array ("Mode" = = scale_mode_manual, "gridr" = +, "GRIDG" and "gridb" = 200, "Xmargin" = 0, "ymargin" = 0,//"Drawxlines" and False, "gridticks" = 3,//Lattice density "manualscale" =  > $AxisBoundaries,); $myPicture->drawscale ($Settings);//Draw Line/* $line _arr = Array ("Forcecolor" = TRUE, "forcer" = 0, "Forc  EG "+ 0," forceb "= 255); $myPicture->drawlinechart ($line _arr);  */$myPicture->drawlinechart (); Set LINE1 to invalid, then draw the background $myData->setseriedrawable ("Line1", FALSE);//Draw area Bottom line $area _arr = Array ("Forcetransparency" =&GT;15,//transparency);  $myPicture->drawareachart ($area _arr); Whether to display the text if ($showtxt) {//title $myPicture->drawtext (200,30, $stock _name,array ("fontname" = $ttf _path, "FontSize"       =>11, "Align" =>text_align_bottommiddle));    Set Line1 to valid $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, "Font    B "=>0,);  $myPicture->drawlegend (20,26, $tips);  }//Column Chart} else {$myData->addpoints ($bar, "Bar"); $myData->setpalette ("Bar", Array ("R" =>51, "G" =>114, "B" =>178));  Set the color of the column $myData->addpoints ($times, "Times");  $myData->setseriedescription ("Times", "Time");  $myData->setabscissa ("Times"); $myData-&GT;SETXAXISDIsplay (Axis_format_time, "h:i");    $myPicture = new Pimage (480, $myData);  Sets the default font $myPicture->setfontproperties (Array ("fontname" = "Fonts/en_us.ttf", "FontSize" =>6));  $myPicture->antialias = FALSE;  $myPicture->setgrapharea (50,20,450,180); grid and coordinate $scaleSettings = Array ("Mode" = = scale_mode_start0, "Gridr" =>200, "GRIDG" =>200, "Gridb" =&gt  ; 200);  $myPicture->drawscale ($scaleSettings);  /* $Palette = array ();  for ($i = 0; $i <= $l 2counts; $i + +) {$Palette [$i] = Array ("R" =>74, "G" =>114, "B" =>178, "Alpha" =>100);  }//$Palette = Array ("0" =>array ("R" =>74, "G" =>114, "B" =>178, "Alpha" =>100));  /* Overlay artboard Color $barSetting = Array ("overridecolors" = = $Palette,);  $myPicture->drawbarchart ($barSetting);  */$myPicture->drawbarchart (); Whether to display the text if ($showtxt) {$tips = Array ("Style" =>legend_noborder, "Mode" =>legend_horizontal, "Fon    TR "=>0," Fontg "=>0," Fontb "=>0,); $myPiCture->setfontproperties (Array ("fontname" = $ttf _path, "FontSize" =>9)); $alls = 0;    Total volume initialization of foreach ($bar as $value) {$alls + = $value;        } $myData->setseriedescription ("Bar", $desc _tip[$lang] [' Bar ']. $alls);  $myPicture->drawlegend (300,9, $tips); }} $myPicture->stroke ();//$myPicture->autooutput ("image.png");//Save Log//file_put_contents ("Log.txt", Json_ Encode ($myData). "\ n");? >

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