小编Rob*_*las的帖子

我在Google sankey图表中使用自定义HTML工具提示,但工具提示文本框显得非常细长,无法识别工具提示文本中的HTML标记.有谁知道如何解决这一问题？

   google.load("visualization", "1.1", {
    packages: ["sankey"]
});

google.setOnLoadCallback(drawChart);

function drawChart() {
    var data = new google.visualization.DataTable();
    var formatter = new google.visualization.NumberFormat({pattern:'$###.## bn'}); 
    data.addColumn('string', 'From');
    data.addColumn('string', 'To');
    data.addColumn('number', 'Revenues');
    data.addColumn({type: 'string', role: 'tooltip'});
    data.addRows([
        ['Fred', 'Ann', 107.91,],
        ['Bill', 'Ann', 47.86],
        ['Carol', 'Ann', 817.9],
        ['Jim', 'Kevin', 400],
        ['Ann', 'Kevin', 973.67],
        ['Sally', 'Kevin', 146.47],
        ['Kevin', 'EVP Sales', 1520.14]
        ].map(function(d) {
            d.push(formatter.formatValue(d[2])+ ' This is an HTML tooltip<br>It needs to be formatted nicely<br>in a rectangular box that is not <i>long and thin</i>');
            return …