Created
August 3, 2017 15:51
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| <?php | |
| // This is just an example of reading server side data and sending it to the client. | |
| // It reads a json formatted text file and outputs it. | |
| //$string = file_get_contents("data.json"); | |
| //echo $string; | |
| // Instead you can query your database and parse into JSON etc etc | |
| $arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5); | |
| //echo json_encode($arr); | |
| //{"a":1,"b":2,"c":3,"d":4,"e":5} | |
| echo <<< EOM | |
| { | |
| "cols": [ | |
| {"id":"val1","label":"","pattern":"","type":"number"}, | |
| {"id":"val2","label":"","pattern":"","type":"number"}, | |
| {"id":"val2","label":"","pattern":"","type":"number"} | |
| ], | |
| "rows": [ | |
| {"c":[{"v":"-4.0"},{"v":"4"},{"v":null}]}, | |
| {"c":[{"v":"-5.0"},{"v":null},{"v":"2"}]}, | |
| {"c":[{"v":"-6.0"},{"v":"5"},{"v":null}]} | |
| ] | |
| } | |
| EOM; | |
| ?> |
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| <html> | |
| <head> | |
| <!--Load the AJAX API--> | |
| <script type="text/javascript" src="https://www.google.com/jsapi"></script> | |
| <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> | |
| <script type="text/javascript"> | |
| // Load the Visualization API. | |
| google.load('visualization', '1', {'packages':['corechart']}); | |
| // Set a callback to run when the Google Visualization API is loaded. | |
| google.setOnLoadCallback(drawChart); | |
| function drawChart() { | |
| var jsonData = $.ajax({ | |
| url: "getDatascat.php", | |
| dataType:"json", | |
| async: false | |
| }).responseText; | |
| // Create our data table out of JSON data loaded from server. | |
| var data = new google.visualization.DataTable(jsonData); | |
| // Instantiate and draw our chart, passing in some options. | |
| var chart = new google.visualization.ScatterChart(document.getElementById('chart_div')); | |
| var options = { | |
| width: 800, | |
| height: 800, | |
| title: 'AAA vs BBB', | |
| hAxis: {title: 'AAA', minValue: -10, maxValue: 10}, | |
| vAxis: {title: 'BBB', minValue: -10, maxValue: 10}, | |
| legend: 'none' | |
| }; | |
| chart.draw(data, options); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <!--Div that will hold the chart--> | |
| <div id="chart_div"></div> | |
| </body> | |
| </html> |
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