我有一个d3图表，其中条形图是类型，但我想包括折线图类型。我想在网页上给出两个选项，以便用户可以在任何条形图或折线图之间切换。请问如何做到这一点 下面是我的HTML
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta content="utf-8" http-equiv="encoding">
<title>D3</title>
<!-- <link rel="stylesheet" type="text/css" href="mystyle1.css" /> -->
<style>
body {
color: #000;
}
.axis {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.bar {
fill: steelblue;
}
.bar:hover {
fill: brown;
}
#upleft { width:320px; height: 600px; background:red; float:left; }
#upright { width:800px; height:50px; background:green; float:left }
#below { height:600px; width:1120px; background:blue }
</style>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script src="123.js" type="text/javascript"></script>
</head>
<script src="http://d3js.org/d3.v3.min.js"></script>
<body>
<div id="upleft">
<label> List of Tables : </label><br>
<div>
<select id="dropdown1"></select>
</div>
<style>
#listbox {
display: none;
}
#listbox {
position: relative;
}
</style>
<div style="margin-left: 150px; margin-top: -30px; height: auto;">
<select id="listbox", multiple></select>
</div>
</div>
<div id="upright">
<div align="left">
From : <input type="date" name="field1" id="field1" /> To : <input type="date" name="field2" id="field2" />
<input type="button" onclick="render(true)" value="Submit"/>
</div>
</div>
<div id="below">
<div id="chart"></div>
</div>
<script>
var jsonURL = 'avb.json';
var myData = [];
var fliterdata=[];
var tempdata=[];
var selectop="";
var selectDate = false;
function filterJSON(json, key, value) {
var result = [];
for (var foo in json) {
if (json[foo][key] == value) {
result.push(json[foo]);
}
}
return result;
}
function selectValue(d){
// console.log("before op",selectop );
switch(selectop){ //d object select particular value for Y axis
case "01":
return d.val001;
break;
case "02":
return d.val002;
break;
case "03":
return d.val003;
break;
case "04":
return d.val004;
break;
case "05":
return d.val005;
break;
default:
//console.log("default");
return d.val001;
}
}
var margin = {
top: 20,
right: 0,
bottom: 80,
left: 40
};
var width = 700 - margin.left - margin.right;
var height = 500 - margin.top - margin.bottom;
var xScale = d3.scale.ordinal().rangeRoundBands([0, width], .1);
var yScale = d3.scale.linear().range([height, 0]);
var hAxis = d3.svg.axis().scale(xScale).orient('bottom').tickFormat(d3.time.format("%Y-%m-%d"));
var vAxis = d3.svg.axis().scale(yScale).orient('left');
var tooltip = d3.select('body').append('div')
.style('position', 'absolute')
.style('background', '#f4f4f4')
.style('padding', '5 15px')
.style('border', '1px #333 solid')
.style('border-radius', '5px')
.style('opacity', 'o');
function render(filterByDates) {
d3.select('svg').remove();
if (filterByDates) {
selectDate=true;
tempData=fliterdata;
console.log("before date fliter data", tempData);
var date1 = new Date(document.getElementById('field1').value);
var date2 = new Date(document.getElementById('field2').value);
tempData = tempData.filter(function(d) {
console.log(date1,date2);
// alert(date1);
return d.date >= date1 && d.date <= date2;
});
console.log("After date fliter data", tempData);
}
xScale.domain(tempData.map(function(d) {
return d.date;
}) .sort(function(a,b) {
return a > b;
})
);
yScale.domain([0, d3.max(tempData, function(d) {
return +selectValue(d);
})]);
var svg = d3.select('#chart').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 + ")");
svg
.append('g')
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(hAxis)
.selectAll("text")
.style("text-anchor", "end")
.attr("dx", "-.8em")
.attr("dy", "-.55em")
.attr("transform", "rotate(-90)");
svg
.append('g')
.attr("class", "yaxis")
.call(vAxis)
svg
.selectAll(".bar") //makes bar
.data(tempData)
.enter().append("rect")
.attr("class", "bar")
.style("fill", "red")
.attr("x", function(d) {
return xScale(d.date);
})
.attr("width", xScale.rangeBand())
.attr("y", function(d) {
return yScale(selectValue(d));
})
.attr("height", function(d) {
console.log("as", d.value);
return height - yScale(selectValue(d));
})
}
d3.json(jsonURL, function(data) {
myData = data; //data from json in mydata
myData.forEach(function(d) {
d.date = new Date(d.date);
//d.value="";
//d.name = +d.name;
console.log(d.date,"Gt date");
d.date = new Date(d.date + " UTC");
console.log(d.date,"localtimezone date");
});
$("#listbox").on("click", function() {
var key = $(this).val();
console.log("key:", key);
var value=$('#listbox option:selected').text();
console.log("vaue:", value);
selectop=String(key);
selectop=selectop.slice(-2);
console.log("mydata: ", myData);
console.log("selectops:",selectop );
fliterdata=filterJSON(myData, key, value);
tempData=fliterdata; //graph made by temp data
if (selectDate)
render(true);
});
});
</script>
</body>
</html>