可以在由生成的代码中添加指令d3，只需确保$compile在呈现内容后调用服务即可。
对于给定的示例，它看起来像这样：
.directive('barChart', function($compile){ // inject $compile
var chart = d3.custom.barChart();
return {
restrict: 'E',
replace: true,
template: '<div class="chart"></div>',
scope:{
height: '=height',
data: '=data',
hovered: '&hovered'
},
link: function(scope, element, attrs) {
var chartEl = d3.select(element[0]);
chart.on('customHover', function(d, i){
scope.hovered({args:d});
});
scope.$watch('data', function (newVal, oldVal) {
chartEl.datum(newVal).call(chart);
$compile(element.contents())(scope); // <-- call to $compile
});
scope.$watch('height', function(d, i){
chartEl.call(chart.height(scope.height));
$compile(element.contents())(scope); // <-- call to $compile
})
}
}
并在d3的绘图功能中：
bars.enter().append('rect')
.classed('bar', true)
.attr('myPopover', 'Text to show') // <-- Adding an attribute here.
.attr({x: chartW,
width: barW,
y: function(d, i) { return y1(d); },
height: function(d, i) { return chartH - y1(d); }
})
.on('mouSEOver', dispatch.customHover);
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