Highcharts显示数据格式化

//鼠标移入显示
tooltip: {
    formatter: function() {	            	
       return this.y;
    }
}

//统计显示
plotOptions: {                                                     
    bar: {                                                         
        dataLabels: {                                              
            enabled: true,
            formatter: function() {
                return this.y;
	    },
        }                                                          
    }                                                              
}