通过ajax绘制海图,而不是绘制海图
我尝试通过ajax获取系列和数据 函数检索Document.ready中的数据:通过ajax绘制海图,而不是绘制海图,ajax,highcharts,Ajax,Highcharts,我尝试通过ajax获取系列和数据 函数检索Document.ready中的数据: function requestData() { $.ajax({ type: 'POST', dataType: 'json', url: xxxxx, async: false, // you can use an obje
function requestData() {
$.ajax({
type: 'POST',
dataType: 'json',
url: xxxxx,
async: false,
// you can use an object here
success: function(data) {
$("html").css('cursor','auto');
//remove previous data
while(chart.series.length > 0)
chart.series[0].remove(true);
$.each(data, function(val, text) {
counter = 0;
$.each(text, function() {
if (counter==0) {
datoscol= "[" + this + "]";
}
else{
datoscol= datoscol + "," + "[" + this + "]";
}
counter=1
});
datoscol = "["+datoscol + "]";
alert (datoscol);
chart.addSeries({
name: val,
data: datoscol
});
});
chart.redraw();
},
cache: false
});
}
chart = new Highcharts.Chart({
chart: {
renderTo: 'container2',
type: 'line',
pointInterval: 30*24 * 3600 * 1000,
events: {
load: function(){
chart = this;
requestData();
}
}
},
title: {
text: 'Facturación clínica'
},
credits: {
enabled: false
},
xAxis: {
type: 'datetime',
maxZoom: 14 * 24 * 3600000, // fourteen days
title: {
text: null
}
},
yAxis: {
title: {
text: 'Facturación (€)'
}
},
tooltip: {
formatter: function() {
var s;
if (this.point.name) { // the pie chart
s = ''+
this.point.name +': '+ this.y +' fruits';
} else {
s = ''+
this.y + " Euros";
}
return s;
}
},
labels: {
items: [{
html: 'Facturación clínica',
style: {
left: '40px',
top: '8px',
color: 'black'
}
}]
}
});
我还在document.ready中初始化Highcharts:
function requestData() {
$.ajax({
type: 'POST',
dataType: 'json',
url: xxxxx,
async: false,
// you can use an object here
success: function(data) {
$("html").css('cursor','auto');
//remove previous data
while(chart.series.length > 0)
chart.series[0].remove(true);
$.each(data, function(val, text) {
counter = 0;
$.each(text, function() {
if (counter==0) {
datoscol= "[" + this + "]";
}
else{
datoscol= datoscol + "," + "[" + this + "]";
}
counter=1
});
datoscol = "["+datoscol + "]";
alert (datoscol);
chart.addSeries({
name: val,
data: datoscol
});
});
chart.redraw();
},
cache: false
});
}
chart = new Highcharts.Chart({
chart: {
renderTo: 'container2',
type: 'line',
pointInterval: 30*24 * 3600 * 1000,
events: {
load: function(){
chart = this;
requestData();
}
}
},
title: {
text: 'Facturación clínica'
},
credits: {
enabled: false
},
xAxis: {
type: 'datetime',
maxZoom: 14 * 24 * 3600000, // fourteen days
title: {
text: null
}
},
yAxis: {
title: {
text: 'Facturación (€)'
}
},
tooltip: {
formatter: function() {
var s;
if (this.point.name) { // the pie chart
s = ''+
this.point.name +': '+ this.y +' fruits';
} else {
s = ''+
this.y + " Euros";
}
return s;
}
},
labels: {
items: [{
html: 'Facturación clínica',
style: {
left: '40px',
top: '8px',
color: 'black'
}
}]
}
});
我从服务器获取的数据类似于:
{“雇员1”:[“1356908400000”,“10.00”],[“1359586800000”,“11.00”],[“1362006000000”,“12.00”],[“1364684400000”,“13.45”],“雇员2”:[“1356908400000”,“10.00”],[“1359586800000”,“11.00”],[“1362006000000”,“12.00”],[“1364684400000”,“13.45”]
因此,当我将序列添加到highcharts时,值是,例如:
chart.addSeries({
姓名:val,------------>员工1
数据:达托酚------->[“1356908400000”,“10.00”],[“1359586800000”,“11.00”],[“1362006000000”,“12.00”],[“1364684400000”,“13.45”]
通过firebug控制台,我没有收到任何错误,但除了轴和图例外,什么也没有出现。我得到了所有系列名称,但没有关于数据的任何信息,没有标记,没有线条。您试图提供给Highcharts的数据(变量
datoscol
)是字符串。在您的情况下,必须提供一个对象,并且每个数组的内容也必须是数字
我认为,最好的方法是修复服务器响应
如果不能,那么简单、肮脏且潜在危险的方法是在向Highcharts提供变量时eval
datoscol变量:
chart.addSeries({
name: val,
data: eval(datoscol)
});
看到它在运行
另一种方法是将每个数组元素转换为整数(日期时间)和浮点数(金额)。因此,您可以编写以下代码,而不是当前的$
for (var seriesName in data) {
var curData = data[seriesName];
var curDataLen = curData.length;
for (var i = 0; i < curDataLen; i++) {
curData[i][0] = parseInt(curData[i][0], 10);
curData[i][1] = parseFloat(curData[i][1]);
}
chart.addSeries({ name: seriesName, data: curData });
}
for(数据中的变量seriesName){
var curData=数据[序列名称];
var curDataLen=curData.length;
对于(变量i=0;i
看到它在运行。像一个符咒一样工作:-)