最简单的方法

1102037295-57d117f1d4e70_articlex

    tooltip: {
        formatter: '{b}:{c}万元'
    }

完整方法 柱状图

tooltip: {
                formatter: function (a, b, c) {
                    var result = [], counter = 0;
                    var num_array = a.data.toFixed(2).split('.');
                    var num = num_array[0];
                    var newstr = '';
                    for (var i = num.length - 1; i >= 0; i--) {
                        counter++;
                        result.unshift(num[i]);
                        if (!(counter % 3) && i != 0) { result.unshift(','); }
                    }
                    return a.marker + a.name + ":" + result.join('') + "万元";
                }
            }

完整方法  折线图

tooltip: {
                formatter: function (a, b, c) {
                    var result2 = [];
                    for (var j = 0; j < a.length; j++) {
                        var result = [], counter = 0;
                        var num_array = a[j].data.toFixed(2).split('.');
                        var num = num_array[0];
                        var newstr = '';
                        for (var i = num.length - 1; i >= 0; i--) {
                            counter++;
                            result.unshift(num[i]);
                            if (!(counter % 3) && i != 0) { result.unshift(','); }
                        }
                        result2.push(a[j].marker + a[j].name + ":" + result.join('') + "万元<br />");
                    }
                    return result2.join('');
                }
            }