var svg = d3.select("svg"),
margin = {
top: 20,
right: 60,
bottom: 30,
left: 40
},
width = +svg.attr("width") - margin.left - margin.right,
height = +svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var x = d3.scaleBand()
.rangeRound([0, width])
.padding(0.1)
.align(0.1);
var y = d3.scaleLinear()
.rangeRound([height, 0]);
var stack = d3.stack()
.offset(d3.stackOffsetExpand);
var colors = ["#FF0000", "#00FF00", "#0000FF"];
var data = [{
name: "item1",
foo: 10,
bar: 20
}, {
name: "item2",
foo: 50,
bar: 50
}];
x.domain(data.map(function(d) {
return d.name;
}));
var serie = g.selectAll(".serie")
.data(stack.keys(["foo", "bar"])(data))
.enter().append("g")
.attr("class", "serie")
.attr("fill", function(d, i) {
return colors[i];
});
var tooltip = d3.select('#tooltip');
var rects = serie.selectAll("rect")
.data(function(d) {
return d;
})
.enter().append("rect")
rects.attr("x", function(d) {
return x(d.data.name);
})
.attr("y", function(d) {
return y(d[1]);
})
.attr("height", function(d) {
return y(d[0]) - y(d[1]);
})
.attr("width", x.bandwidth())
.on('mouseover', function(d, i) {
var thisName = d3.select(this.parentNode).datum().key;
var thisValue = d.data[thisName];
var total = d.data.foo + d.data.bar;
tooltip.html("Name: " + thisName + "<br>Value: " + thisValue + "<br>Percentage: " + thisValue / total + "%");
});
g.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x));
g.append("g")
.attr("class", "axis axis--y")
.call(d3.axisLeft(y).ticks(10, "%"));
<script src="https://d3js.org/d3.v4.min.js"></script>
<div id="tooltip">tooltip</div>
<svg width="500" height="300"></svg>
d
)与v3完全相同。我建议您发布一个MCVE。 - Gerardo Furtadod.y
,但这里是一个 fiddle,因为d
是堆栈数组,所以它不起作用:https://jsfiddle.net/vu624zrg/1/。 - TommyF