D3 Examples - fresh block2222

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3 Page Template</title>
<script src="https://d3js.org/d3.v4.min.js"></script>
</head>
<body>
    <style>
.axis path,
.axis line{
    fill: none;
    stroke: black;
    shape-rendering: crispEdges;
}
​
.axis text {
    font-family: sans-serif;
    font-size: 11px;
}
</style>
<script type="text/javascript">
// Your beautiful D3 code will go here
var width = 400;  //画布的宽度
var height = 400;   //画布的高度
d3.csv("https://www.census.gov/hhes/socdemo/education/data/sipp/2009/files/Table%202J.csv",function(error,csvdata){  
   
    if(error){  
        console.log(error);  
    }  
    console.log(csvdata);  
       
});
var svg = d3.select("body")     //选择文档中的body元素
    .append("svg")          //添加一个svg元素
    .attr("width", width)       //设定宽度
    .attr("height", height);    //设定高度
var padding = {left:30, right:30, top:20, bottom:20};
var dataset = [10, 20, 30, 40, 33, 24, 12, 5];
var xScale = d3.scaleBand()
    .domain(d3.range(dataset.length))
    .range([0, width - padding.left - padding.right])
var yScale =  d3.scaleLinear()
    .domain([0,d3.max(dataset)])
    .range([height - padding.top - padding.bottom, 0]);
//定义x轴
var xAxis = d3.axisBottom(xScale)
​
//定义y轴
var yAxis = d3.axisLeft(yScale)
​
var rectPadding = 4;
​
var rects = svg.selectAll(".MyRect")
        .data(dataset)
        .enter()
        .append("rect")
        .attr("class","MyRect")
        .attr("transform","translate(" + padding.left + "," + padding.top + ")")
        .attr("x", function(d,i){
            return xScale(i) + rectPadding/2;
        } )
        .attr("y",function(d){
            return yScale(d);
        })
        .attr("width", xScale.bandwidth() - rectPadding )
        .attr("height", function(d){
            return height - padding.top - padding.bottom - yScale(d);
        });
var texts = svg.selectAll(".MyText")
        .data(dataset)
        .enter()
        .append("text")
        .attr("class","MyText")
        .attr("transform","translate(" + padding.left + "," + padding.top + ")")
        .attr("x", function(d,i){
            return xScale(i) + rectPadding/2;
        } )
       .attr("y",function(d){
    var min = yScale.domain()[0];
    return yScale(min);
})
.transition()
.delay(function(d,i){
    return i * 200;
})
.duration(2000)
.attr("y",function(d){
    return yScale(d);
})
        .attr("dx",function(){
            return (xScale.bandwidth() - rectPadding)/2;
        })
        .attr("dy",function(d){
            return 20;
        })
        .text(function(d){
            return d;
        })
;
svg.append("g")
  .attr("class","axis")
  .attr("transform","translate(" + padding.left + "," + (height - padding.bottom) + ")")
  .call(xAxis); 
​
//添加y轴
svg.append("g")
  .attr("class","axis")
  .attr("transform","translate(" + padding.left + "," + padding.top + ")")
  .call(yAxis);
        
</script>
</body>
</html>
​
    