添加柱状图点击事件

component/chart/bar-chart.js

@@ -23,9 +23,12 @@
        methods: {
            setOption: function (options) {
            	var vm = this;
                if(!options)return
                var options = $.extend({}, defaults, options);
				vm.chart.on('click', function (param){
                   vm.$emit('click-item', {param:param});
       			});
    
                return options
            }