Javascript d3.js中d3.csv()的回调函数问题
我在使用d3.js时遇到了一个问题:它不会在d3.csv中执行回调函数。数据如下:Javascript d3.js中d3.csv()的回调函数问题,javascript,csv,d3.js,Javascript,Csv,D3.js,我在使用d3.js时遇到了一个问题:它不会在d3.csv中执行回调函数。数据如下: date,ISE,SP,DAX,FTSE,NIKKEI,BOVESPA,EU,EM 5-Jan-09,0.038376187,-0.004679315,0.002193419,0.003894376,0,0.031190229,0.012698039,0.028524462 6-Jan-09,0.031812743,0.007786738,0.008455341,0.012865611,0.004162452,0
date,ISE,SP,DAX,FTSE,NIKKEI,BOVESPA,EU,EM
5-Jan-09,0.038376187,-0.004679315,0.002193419,0.003894376,0,0.031190229,0.012698039,0.028524462
6-Jan-09,0.031812743,0.007786738,0.008455341,0.012865611,0.004162452,0.01891958,0.011340652,0.008772644
7-Jan-09,-0.026352966,-0.030469134,-0.017833062,-0.028734593,0.017292932,-0.035898576,-0.017072795,-0.020015412
代码如下:
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body { font: 12px Arial;}
path {
stroke: steelblue;
stroke-width: 2;
fill: none;
}
.axis path,
.axis line {
fill: none;
stroke: grey;
stroke-width: 1;
shape-rendering: crispEdges;
}
</style>
<body>
<!-- set inputs for the query -->
<div id="new_input">
   
Stock: <input type="text" name="stock" id="stock" value="ISE"
style="width: 70px;">
   
<input name="updateButton"
type="button"
value="Update"
onclick="updateData()" />
</div>
<!-- load the d3.js library -->
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script>
<script>
// Set the dimensions of the graph
var margin = {top: 30, right: 40, bottom: 30, left: 50},
width = 600 - margin.left - margin.right,
height = 270 - margin.top - margin.bottom;
// Set the ranges
var x = d3.time.scale().range([0, width]);
var y = d3.scale.linear().range([height, 0]);
var xAxis = d3.svg.axis().scale(x)
.orient("bottom").ticks(5);
var yAxis = d3.svg.axis().scale(y)
.orient("left").ticks(5);
var valueline = d3.svg.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y(d.ISE); });
var svg = d3.select("body")
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var stock = document.getElementById('stock').value;
d3.csv("./hw5/data_akbilgic.csv",function(d){
return{
time: d.date,
ise: +d.ISE,
sp: +d.SP,
dax: +d.DAX,
ftse: +d.FTSE,
nikket: +d.NIKKEI,
bovespa: +d.BOVESPA,
eu: +d.EU,
em: +d.EM
};
} ,function(error, data){
console.log("bbbbbbbbbbbb");
data.forEach(function(d){
console.log(d.ise);
});
});
</script>
</body>
正文{font:12px Arial;}
路径{
笔画:钢蓝;
笔画宽度:2;
填充:无;
}
.轴线路径,
.轴线{
填充:无;
笔画:灰色;
笔画宽度:1;
形状渲染:边缘清晰;
}
 
股票:
 
//设置图形的尺寸
var margin={顶部:30,右侧:40,底部:30,左侧:50},
宽度=600-边距。左侧-边距。右侧,
高度=270-margin.top-margin.bottom;
//设定范围
var x=d3.time.scale().range([0,width]);
变量y=d3.scale.linear().range([height,0]);
var xAxis=d3.svg.axis().scale(x)
.方向(“底部”)。刻度(5);
var yAxis=d3.svg.axis().scale(y)
.方向(“左”)。勾号(5);
var valueline=d3.svg.line()
.x(函数(d){返回x(d.date);})
.y(函数(d){返回y(d.ISE);});
var svg=d3.选择(“主体”)
.append(“svg”)
.attr(“宽度”,宽度+边距。左侧+边距。右侧)
.attr(“高度”,高度+边距。顶部+边距。底部)
.附加(“g”)
.attr(“转换”、“平移”(+margin.left+)、“+margin.top+”);
var stock=document.getElementById('stock')。值;
d3.csv(“./hw5/data_akbilgic.csv”),函数(d){
返回{
时间:d.date,
ise:+d.ise,
sp:+d.sp,
dax:+d.dax,
富时:+d.ftse,
日经:,
波维斯帕:+d.波维斯帕,
欧盟:+d.eu,
em:+d.em
};
},函数(错误,数据){
控制台日志(“bbbbbbbbbb”);
data.forEach(函数(d){
控制台日志(d.ise);
});
});
浏览器控制台中没有错误或警报,我也不知道哪里出错了。请帮忙查收,提前谢谢
结果如下:问题在于您使用的D3JS 你用
http://mbostock.github.com/d3/d3.js
应该是的
https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.8/d3.js
工作代码
希望这有帮助 那么,您是否检查了数据是否已定义以及回调中的错误值是多少?请检查开发人员工具中的“网络”选项卡,并确认路径
/hw5/data\u akbilgic.csv
是否正确。它确实有效,您能告诉我原因吗?因为我用的是官方的,根本不起作用