highcharts中数据列点击事件

Highcharts.chart('container', {
	xAxis: {
		categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
	},
	plotOptions: {
		series: {
			cursor: 'pointer',
			events: {
				click: function (event) {
					alert(
						this.name + ' 被点击了\n' +
						'最近点：' + event.point.category + '\n' +  
						'Alt 键: ' + event.altKey + '\n' +
						'Ctrl 键: ' + event.ctrlKey + '\n' +
						'Meta 键（win 键）： ' + event.metaKey + '\n' +
						'Shift 键：' + event.shiftKey
					);
				}
			}
		}
	},
	series: [{
		data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
	}]
});