Question

google.charts.load('current', {'packages': ['line']});
google.charts.setOnLoadCallback(drawCurveTypes);


function drawCurveTypes() {
      var data = new google.visualization.DataTable();
      data.addColumn('number', 'values');
      data.addColumn('number', 'a');
      data.addColumn('number', 'b');
      data.addColumn('number', 'c');
      data.addColumn('number', 'd');
			data.addColumn('number', 'e');
      data.addColumn('number', 'f');
      data.addColumn('number', 'g');
      data.addRows([[3,4,5,10,11,12,13,12], [6,7,8,10,11,12,13,12],[9,10,11,10,11,12,13,12]]);

		  var options = {
        chart: {
          title: "Example"
          }
     };
      var line=document.getElementById('chart_div');
      var chart = new google.charts.Line(line);
      chart.draw(data,google.charts.Line.convertOptions(options));
    }

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
  <div id="chart_div"></div>

这是我的图表。它是一个实质性折线图（包：google.charts.Line，而不是google.visualization.LineChart）。如您所见，“ SPPlus”已截止。我试图调整图表的高度，但这并没有解决我的问题。

Answer 1

您可以增加图表的高度。
在提供的代码段中可能不起作用的原因，
选项在错误的位置使用。

在代码段中，选项已添加到图表的构造函数中。因此，没有使用任何提供的选项，包括标题。

var chart = new google.charts.Line(line,google.charts.Line.convertOptions(options));
chart.draw(data);

相反，应将它们添加到draw方法中。

var chart = new google.charts.Line(line);
chart.draw(data, google.charts.Line.convertOptions(options));

您还可以减小字体大小。
参见以下工作片段...

google.charts.load('current', {'packages': ['line']});
google.charts.setOnLoadCallback(drawCurveTypes);

function drawCurveTypes() {
  var data = new google.visualization.DataTable();
  data.addColumn('number', 'values');
  data.addColumn('number', 'a');
  data.addColumn('number', 'b');
  data.addColumn('number', 'c');
  data.addColumn('number', 'd');
  data.addColumn('number', 'e');
  data.addColumn('number', 'f');
  data.addColumn('number', 'g');
  data.addRows([[3,4,5,10,11,12,13,12], [6,7,8,10,11,12,13,12],[9,10,11,10,11,12,13,12]]);

  var options = {
    chart: {
      title: 'Example'
    },
    height: 400,
    legend: {
      textStyle: {
        fontSize: 10
      }
    }
  };
  var line = document.getElementById('chart_div');
  var chart = new google.charts.Line(line);
  chart.draw(data, google.charts.Line.convertOptions(options));
}

<script src="https://www.gstatic.com/charts/loader.js"></script>
<div id="chart_div"></div>

另一种选择是绘制自己的自定义图例，
在图表上方，这将提供更多空间，
不增加高度。
参见以下工作片段...

google.charts.load('current', {'packages': ['line']});
google.charts.setOnLoadCallback(drawCurveTypes);

function drawCurveTypes() {
  var data = new google.visualization.DataTable();
  data.addColumn('number', 'values');
  data.addColumn('number', 'a');
  data.addColumn('number', 'b');
  data.addColumn('number', 'c');
  data.addColumn('number', 'd');
  data.addColumn('number', 'e');
  data.addColumn('number', 'f');
  data.addColumn('number', 'g');
  data.addRows([[3,4,5,10,11,12,13,12], [6,7,8,10,11,12,13,12],[9,10,11,10,11,12,13,12]]);

  var options = {
    chart: {
      title: 'Example'
    },
    legend: {
      position: 'none'
    }
  };
  var line = document.getElementById('chart_div');
  var chart = new google.charts.Line(line);

  // add legend marker
  function addLegendMarker(markerProps) {
    var legendMarker = document.getElementById('template-legend-marker').innerHTML;
    for (var handle in markerProps) {
      if (markerProps.hasOwnProperty(handle)) {
        legendMarker = legendMarker.replace('{{' + handle + '}}', markerProps[handle]);
      }
    }
    document.getElementById('legend_div').insertAdjacentHTML('beforeEnd', legendMarker);
  }

  // chart ready event
  google.visualization.events.addListener(chart, 'ready', function () {
    var legend = document.getElementById('legend_div');

    // get colors from chart
    var colorPallette = [];
    var lines = line.getElementsByTagName('path');
    Array.prototype.forEach.call(lines, function(path) {
      if (colorPallette.indexOf(path.getAttribute('stroke')) === -1) {
        colorPallette.push(path.getAttribute('stroke'));
      }
    });

    // clear previous legend
    legend.innerHTML = '';

    // add legend marker for each Y axis column - skip X axis --> i = 1
    for (var i = 1; i < data.getNumberOfColumns(); i++) {
      var markerProps = {};
      markerProps.index = i;
      markerProps.color = colorPallette[i - 1];
      markerProps.label = data.getColumnLabel(i);
      addLegendMarker(markerProps);
    }

    // add "hover" event to each legend marker
    var currentSelection;
    var markers = legend.getElementsByTagName('DIV');
    Array.prototype.forEach.call(markers, function(marker) {
      marker.addEventListener('mouseover', function (e) {
        currentSelection = chart.getSelection();
        var marker = e.target || e.srcElement;
        marker = marker.closest('.legend-marker');
        var columnIndex = parseInt(marker.getAttribute('data-columnIndex'));
        chart.setSelection([{column: columnIndex}]);
      }, false);
      marker.addEventListener('mouseout', function (e) {
        chart.setSelection([]);
      }, false);
    });
  });

  chart.draw(data, google.charts.Line.convertOptions(options));
}

#legend_div {
  color: #999;
  font-family: Roboto;
  position: absolute;
  right: 0px;
  text-align: right;
  top: 0px;
  width: 60%;
  z-index: 1000;
}

.legend-marker {
  display: inline-block;
  padding: 6px 6px 6px 6px;
}

.legend-marker-color {
  border-radius: 25%;
  display: inline-block;
  height: 12px;
  width: 12px;
}

<script src="https://www.gstatic.com/charts/loader.js"></script>

<div id="chart_div"></div>
<div id="legend_div"></div>

<!-- template for building marker -->
<script id="template-legend-marker" type="text/html">
  <div class="legend-marker" data-columnIndex="{{index}}">
    <div class="legend-marker-color" style="background-color: {{color}}"></div>
    <span>{{label}}</span>
  </div>
</script>

Answer 2

我创建了一个包含12列的图表，它没有中断，而是显示了一个切换按钮以移至下一列。

我认为您已经弄乱了配置本身。

HTML

  <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
  <div id="chart_div"></div>

JS

google.charts.load('current', {packages: ['corechart', 'line']});
google.charts.setOnLoadCallback(drawCurveTypes);
function parseData(input){
 return input.reduce(function(o,i){
    o.push(i.concat(i).concat(i).concat(i).concat(i));
    return o;
 },[]);
}

function drawCurveTypes() {
      var data = new google.visualization.DataTable();
      data.addColumn('number', 'X');
      data.addColumn('number', 'a');
      data.addColumn('number', 'b');
      data.addColumn('number', 'c');
      data.addColumn('number', 'd');
      data.addColumn('number', 'e');
      data.addColumn('number', 'f');
      data.addColumn('number', 'g');
      data.addColumn('number', 'h');
      data.addColumn('number', 'i');
      data.addColumn('number', 'j');
      data.addColumn('number', 'j');
      data.addColumn('number', 'k');
      data.addColumn('number', 'l');
      data.addColumn('number', 'm');

      data.addRows(parseData([
        [0, 0, 0],    [1, 10, 5],   [2, 23, 15],  [3, 17, 9],   [4, 18, 10],  [5, 9, 5],
        [6, 11, 3],   [7, 27, 19],  [8, 33, 25],  [9, 40, 32],  [10, 32, 24], [11, 35, 27],
        [12, 30, 22], [13, 40, 32], [14, 42, 34], [15, 47, 39], [16, 44, 36], [17, 48, 40],
        [18, 52, 44], [19, 54, 46], [20, 42, 34], [21, 55, 47], [22, 56, 48], [23, 57, 49],
        [24, 60, 52], [25, 50, 42], [26, 52, 44], [27, 51, 43], [28, 49, 41], [29, 53, 45],
        [30, 55, 47], [31, 60, 52], [32, 61, 53], [33, 59, 51], [34, 62, 54], [35, 65, 57],
        [36, 62, 54], [37, 58, 50], [38, 55, 47], [39, 61, 53], [40, 64, 56], [41, 65, 57],
        [42, 63, 55], [43, 66, 58], [44, 67, 59], [45, 69, 61], [46, 69, 61], [47, 70, 62],
        [48, 72, 64], [49, 68, 60], [50, 66, 58], [51, 65, 57], [52, 67, 59], [53, 70, 62],
        [54, 71, 63], [55, 72, 64], [56, 73, 65], [57, 75, 67], [58, 70, 62], [59, 68, 60],
        [60, 64, 56], [61, 60, 52], [62, 65, 57], [63, 67, 59], [64, 68, 60], [65, 69, 61],
        [66, 70, 62], [67, 72, 64], [68, 75, 67], [69, 80, 72]
      ]));

      var options = {
        height: 500,
        hAxis: {
          title: 'Time'
        },
        vAxis: {
          title: 'Popularity'
        },
        series: {
          1: {curveType: 'function'}
        }
      };

      var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
      chart.draw(data, options);
    }

JSFiddle演示-https://jsfiddle.net/z0wudpxv/1/

如何防止图例切断Google图表

2 个答案: