<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>linechart</title>
<link rel="stylesheet" type="text/css" href="css/style.css">
</head>
<body>
<div id="container"></div>
<script src="https://d3js.org/d3.v4.js"></script>
<script src="js/index.js"></script>
</body>
</html>#container{
background: #ddd;
width: 500px;
height: 250px;
}
path{
fill:none;
stroke:steelblue;
stroke-width:3;
}
text{
fill:black;
}
.domain,.tick{
stroke:gray;
stroke-width:1;
}//width,height
var width =500,
height =250,
margin = {left:50,top:30,right:20,bottom:20},
g_width = width - margin.left -margin.right,
g_height = height -margin.top - margin.bottom;
//svg
var svg = d3.select('#container')
.append('svg')
.attr('width',width)
.attr('height',height)
var g = d3.select('svg').append('g').attr('transform','translate('+margin.left+','+margin.top+')')
var data = [1,3,5,7,8,4,3,7]
var scale_x = d3.scaleLinear().domain([0,data.length-1]).range([0,g_width])
var scale_y = d3.scaleLinear().domain([0,d3.max(data)]).range([g_height,0])
var line_generator = d3.line()
.x(function(d,i){return scale_x(i);})//0,1,2,3...
.y(function(d){return scale_y(d);})//1,3,5
.curve(d3.curveCardinal)
g.append('path').attr('d',line_generator(data))
var x_axis =d3.axisBottom(scale_x),
y_axis =d3.axisLeft(scale_y);
g.append('g').call(x_axis).attr('transform','translate(0,'+g_height+')')
g.append('g').call(y_axis).append('text').text('Price($)').attr('transform','rotate(-90)').attr('text-anchor','end').attr('dy','2em')稍稍对上面的代码改变 就能得到面积图标
参考
**粗体** _斜体_ [链接](http://example.com) `代码` - 列表 > 引用。你还可以使用@来通知其他用户。