标签:OLE 技术 html int class return fill loading 构造
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>svg</title> <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> <style type="text/css"> svg{ background-color: #DDD; } .axis line,.axis path{ fill:none; stroke:black } </style> </head> <body> </body> <script type="text/javascript"> // 绘制面积图 let width=500,height=500,num=30; // 定义数据源 学员成绩 let score=[60,50,80,35,70,40] // 绘制svg let svg = d3.select(‘body‘).append(‘svg‘).attr(‘width‘,width).attr(‘height‘,height) // 创建g元素 包裹作用 let g = svg.append(‘g‘).attr(‘transform‘,`translate(${num},${num})`) // 创建比例尺 let scaleX = d3.scale.linear().domain([0,score.length-1]).range([0,width-num*2]); // let scaleY = d3.scale.linear().domain([0,d3.max(score)]).range([0,height-num*2]); let scaleY = d3.scale.linear().domain([0,d3.max(score)]).range([height-num*2,0]); // 构造曲面面积生成器 x y0 y1 let area = d3.svg.area() .x((d,i)=>{return scaleX(i)}) // .y0((d,i)=>{return 0}) .y0((d,i)=>{return height-num*2}) .y1((d,i)=>{return scaleY(d)}) .interpolate(‘cardinal‘) // 绘制路径 通过路径绘制面积图形 path d let color = d3.scale.category20() g.append(‘path‘) .attr(‘d‘,(d,i)=>{ console.log(area(score)) // M0,60L1,50L2,80L3,35L4,70L5,40L5,0L4,0L3,0L2,0L1,0L0,0Z return area(score) }) .attr(‘fill‘,‘steelblue‘); // 生成坐标轴 let x = d3.svg.axis().scale(scaleX) let y = d3.svg.axis().scale(scaleY).orient(‘left‘) g.append(‘g‘).attr(‘class‘,‘axis‘).call(x).attr(‘transform‘,`translate(0,${height-num*2})`) g.append(‘g‘).attr(‘class‘,‘axis‘).call(y) </script> </html>
标签:OLE 技术 html int class return fill loading 构造
原文地址:https://www.cnblogs.com/ximenchuifa/p/13976210.html