私はコードのこの部分を持っています
<script>
var xhr = new XMLHttpRequest();
xhr.open('POST', 'getNewUsers.php',false);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send();
var json;
if (xhr.readyState == 4 && xhr.status == 200) { // If file is loaded correctly.
json = JSON.parse(xhr.responseText);
alert(json.en);
}
else if(xhr.readyState == 4 && xhr.status != 200) { // En cas d'erreur !
alert( ' Une erreur est survenue !\n\nCode :' + xhr.status + '\nTexte : ' + xhr.statusText);
}
</script>
<script id="bs">
function Sector(x, y, radius, startAngle, endAngle) {
SpecialAttrPath.call(this, {
radius: 0,
startAngle: startAngle,
endAngle: endAngle
});
this.attr({
x: x,
y: y,
radius: radius,
startAngle: startAngle,
endAngle: endAngle
});
}
Sector.prototype = Object.create(SpecialAttrPath.prototype);
Sector.prototype._make = function() {
var attr = this._attributes,
radius = attr.radius,
startAngle = attr.startAngle,
endAngle = attr.endAngle;
var startX, startY, endX, endY;
var diffAngle = Math.abs(endAngle - startAngle);
this.startX = startX = radius * Math.cos(startAngle);
this.startY = startY = radius * Math.sin(startAngle);
if (diffAngle < Math.PI*2) {
endX = radius * Math.cos(endAngle);
endY = radius * Math.sin(endAngle);
} else { // angles differ by more than 2*PI: draw a full circle
endX = startX;
endY = startY - .0001;
}
this.endX = endX;
this.endY = endY;
this.radiusExtentX = radius * Math.cos(startAngle + (endAngle - startAngle)/2);
this.radiusExtentY = radius * Math.sin(startAngle + (endAngle - startAngle)/2);
return this.moveTo(0, 0)
.lineTo(startX, startY)
.arcTo(radius, radius, 0, (diffAngle < Math.PI) ? 0 : 1, 1, endX, endY)
.lineTo(0, 0);
};
Sector.prototype.getDimensions = function() {
var x = this.attr('x'),
y = this.attr('y'),
left = Math.min(x, x + this.startX, x + this.endX, x + this.radiusExtentX),
top = Math.min(y, y + this.startY, y + this.endY, y + this.radiusExtentY),
right = Math.max(x, x + this.startX, x + this.endX, x + this.radiusExtentX),
bottom = Math.max(y, y + this.startY, y + this.endY, y + this.radiusExtentY);
console.log(y, y + this.startY, y + this.endY, y + this.radiusExtentY)
return {
left: left,
top: top,
width: right - left,
height: bottom - top
};
};
PieChart.BASE_COLOR = color('red');
function PieChart(data) {
this.angle = 0;
this.labelY = 30;
this.kolor = PieChart.BASE_COLOR.clone();
var n = 0;
for (var i in data) {
this.slice(i, data[i], n++);
}
}
PieChart.prototype = {
slice: function(name, value, i) {
var start = this.angle,
end = start + (Math.PI*2) * value/100,
// Increase hue by .1 with each slice (max of 10 will work)
kolor = this.kolor = this.kolor.clone().hue(this.kolor.hue()+.1);
var s = new Sector(
400, 200, 150,
start,
end
);
var animDelay = (i * 200) + 'ms';
var label = this.label(name, value, kolor);
label.attr({ opacity: 0 });
s.stroke('#FFF', 3);
s.fill(kolor);
s.attr({
endAngle: start,
radius: 0
}).addTo(stage).on('mouseover', over).on('mouseout', out);
label.on('mouseover', over).on('mouseout', out);
function over() {
label.text.attr('fontWeight', 'bold');
label.animate('.2s', {
x: 40
});
s.animate('.2s', {
radius: 170,
fillColor: kolor.lighter(.1)
}, {
easing: 'sineOut'
});
}
function out() {
label.text.attr('fontWeight', '');
label.animate('.2s', {
x: 30
});
s.animate('.2s', {
radius: 150,
fillColor: kolor
});
}
s.animate('.4s', {
radius: 150,
startAngle: start,
endAngle: end
}, {
easing: 'sineOut',
delay: animDelay
});
label.animate('.4s', {
opacity: 1
}, { delay: animDelay });
this.angle = end;
},
label: function(name, v, fill) {
var g = new Group().attr({
x: 30,
y: this.labelY,
cursor: 'pointer'
});
var t = new Text(name + ' (' + v + '%)').addTo(g);
var r = new Rect(0, 0, 20, 20, 5).fill(fill).addTo(g);
t.attr({
x: 30,
y: 17,
textFillColor: 'black',
fontFamily: 'Arial',
fontSize: '14'
});
g.addTo(stage);
this.labelY += 30;
g.text = t;
return g;
}
};
new PieChart({
English: json.en,
French: 20,
German: 30,
Dutch: 5,
Spanish: 19,
Others: 18
})
</script>
問題は、Json を使用してパイを動的に変更したいということです。デミでは整数で示されていますが、ここでも整数です。これは、パイのレンダリングで問題を引き起こす行です。
new PieChart({
English: json.en,