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funds-index.htm
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funds-index.htm
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<!doctype html >
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=GBK" />
<title>基金单位净值指数对比图</title>
<script src="libs/util.js"></script>
<script src="libs/loading.js"></script>
<script src="libs/ajax.js"></script>
<script src="libs/xmlparser.js"></script>
<script src="libs/absPainter.js"></script>
<script src="libs/crossLines.js"></script>
<script src="libs/chartEventHelper.js"></script>
<script type="text/javascript">
/*
html5行情图库
author:yukaizhao
blog:http://www.cnblogs.com/yukaizhao/ http://weibo.com/yukaizhao/
参与项目或技术交流：[email protected]
*/
function Tip(options) {
this.options = options;
this.canvas = options.canvas;
this.canvas.tip = this;
}
Tip.prototype = {
show: function (relativePoint, html) {
var dc = this.dataContext;
var painter = this.canvas.painter;
if (dc) {
if (dc.isNewQuote) painter.paintTitle();
else {
painter.paintTitle( dc.dataItem);
}
}
},
update: function (relativePoint, html) {
this.show(relativePoint, html);
},
hide: function () {
var painter = this.canvas.painter;
painter.paintTitle();
}
};
function FundIndex(canvasId, options) {
this.canvas = $id(canvasId);
this.canPaint = (this.canvas.getContext);
if (this.canPaint) {
this.ctx = this.canvas.getContext('2d');
}
extendObject(options, this);
}
FundIndex.prototype = {
paintTitle: function (dataItem) {
var dc = this.dataContext;
dataItem = dataItem || dc.dataItems[dc.dataItems.length - 1];
var txt = '最新' + toMoney(dataItem.unitNetValue);
var ctx = this.ctx;
var options = this.titleOptions;
var region = options.region;
ctx.clearRect(region.x, region.y, region.width, region.height);
ctx.font = options.font;
ctx.fillStyle = this.normalColor;
var width = ctx.measureText(txt).width;
ctx.textAlign = 'left';
ctx.textBaseline = 'top';
ctx.fillText(txt, region.x, region.y);
var price = dataItem.unitNetValue;
var isRise = price > dc.firstValue;
var isEqual = price == dc.firstValue;
var isFall = price < dc.firstValue;
var diff = toMoney(price - dc.firstValue);
var txtRiseFall = (isRise ? '↑' : (isFall ? '↓' : '')) + diff
+ ('(')
+ toMoney(diff * 100 / dc.firstValue)
+ '%)';
ctx.fillStyle = isRise ? this.riseColor : (isFall ? this.fallColor : this.normalColor);
var riseFallWidth = ctx.measureText(txtRiseFall);
ctx.fillText(txtRiseFall, region.x + width + 2, region.y);
ctx.fillStyle = this.normalColor;
var txtTime = dataItem.date.substring(2);
var timeWidth = ctx.measureText(txtTime).width;
ctx.fillText(txtTime, region.width - timeWidth, region.y);
},
paintLegend: function () {
/*
legendOptions:
{ region: {x:1.5,y:140,height:16,width:153}, fontColor:'black',font:'9pt 宋体' ,barHeight:6px,barWidth:12}
*/
var options = this.legendOptions;
var ctx = this.ctx;
var region = options.region;
var x = region.x;
var y = region.y + (region.height - options.barHeight) / 2;
ctx.fillStyle = this.chartOptions.fundLineColor;
ctx.beginPath();
ctx.fillRect(x, y, options.barWidth, options.barHeight);
var fontX = x + options.barWidth + options.spaceBetweenBarAndText;
var fontY = region.y + region.height;
ctx.fillStyle = this.normalColor;
ctx.font = options.font;
ctx.textAlign = 'left';
ctx.textBaseline = 'bottom';
ctx.fillText('单位净值', fontX, fontY);
var txt = '上证指数';
var fontWidth = ctx.measureText(txt).width;
fontX = region.x + region.width - fontWidth;
ctx.fillText(txt, fontX, fontY);
x = region.x + region.width - (options.spaceBetweenBarAndText + options.barWidth + fontWidth);
ctx.fillStyle = this.chartOptions.indexLineColor;
ctx.beginPath();
ctx.fillRect(x, y, options.barWidth, options.barHeight);
},
paintChart: function () {
this.paintChartBackground();
var dc = this.dataContext;
var ctx = this.ctx;
var options = this.chartOptions;
var region = options.region;
ctx.beginPath();
ctx.strokeStyle = options.fundLineColor;
var count = dc.dataItems.length;
dc.dataItems.each(function (item, arr, i) {
var x = region.x + (region.width * i / (count - 1));
var y = region.y + (dc.maxUnitNetValue - item.unitNetValue) * region.height / (dc.maxUnitNetValue - dc.minUnitNetValue);
if (i == 0) {
ctx.moveTo(x, y);
} else {
ctx.lineTo(x, y);
}
});
ctx.stroke();
ctx.beginPath();
ctx.strokeStyle = options.indexLineColor;
var count = dc.dataItems.length;
dc.dataItems.each(function (item, arr, i) {
var x = region.x + (region.width * i / (count - 1));
var y = region.y + (dc.maxIndexValue - item.indexValue) * region.height / (dc.maxIndexValue - dc.minIndexValue);
if (i == 0) {
ctx.moveTo(x, y);
} else {
ctx.lineTo(x, y);
}
});
ctx.stroke();
},
fixLinePosition: function (val) {
val = Math.round(val * 10);
if (val % 10 > 5) val += (val % 10 + 5);
else val -= (val % 10 + 5)
return val / 10;
},
paintChartBackground: function () {
var options = this.chartOptions;
var region = options.region;
var ctx = this.ctx;
ctx.strokeStyle = options.borderColor;
ctx.lineWidth = 1;
ctx.beginPath();
ctx.rect(region.x, region.y, region.width, region.height);
ctx.stroke();
var dc = this.dataContext;
var referenceY = this.fixLinePosition(
region.y + (dc.maxUnitNetValue - dc.firstValue) * region.height / (dc.maxUnitNetValue - dc.minUnitNetValue));
ctx.strokeStyle = options.splitLine.referenceColor;
ctx.beginPath();
ctx.moveTo(region.x, referenceY);
ctx.lineTo(region.x + region.width, referenceY);
ctx.stroke();
var splitSpaceHeight = Math.ceil(region.height / options.splitLine.spaceCount);
ctx.strokeStyle = options.splitLine.color;
var i = 1;
do {
var lineY = this.fixLinePosition(referenceY - i * splitSpaceHeight);
if (lineY > region.y) {
ctx.beginPath();
ctx.moveTo(region.x, lineY);
ctx.lineTo(region.x + region.width, lineY);
ctx.stroke();
i++;
continue;
}
break;
} while (true);
var i = 1;
do {
var lineY = this.fixLinePosition(referenceY + i * splitSpaceHeight);
if (lineY < region.y + region.height) {
ctx.beginPath();
ctx.moveTo(region.x, lineY);
ctx.lineTo(region.x + region.width, lineY);
ctx.stroke();
i++;
continue;
}
break;
} while (true);
},
paintDate: function () {
var options = this.dateAxisOptions;
var dc = this.dataContext;
var firstDate = dc.dataItems[0].date.substring(2);
var lastDate = dc.dataItems[dc.dataItems.length - 1].date.substring(2);
var ctx = this.ctx;
var region = options.region;
var x = region.x;
var y = region.y;
ctx.textAlign = 'left';
ctx.textBaseline = 'bottom';
ctx.fillStyle = options.color;
ctx.font = options.font;
ctx.fillText(firstDate, x, y);
var lastDateWidth = ctx.measureText(lastDate).width;
x = region.x + region.width - lastDateWidth;
ctx.fillText(lastDate, x, y);
},
appendLinks: function () {
var linksDivId = this.canvas.id + '_links';
var o = $id(linksDivId);
var region = this.linksOptions.region;
var canvasPosition = getPageCoord(this.canvas);
o.style.left = (canvasPosition.x + region.x) + 'px';
o.style.top = (canvasPosition.y + region.y) + 'px';
o.style.width = region.width + 'px';
o.style.height = region.height + 'px';
o.style.display = 'block';
o.style.position = 'absolute';
o.style.zIndex = 1 + (this.canvas.style.zIndex || 2);
},
updateUrl: function (dataUrl, openUrl) {
this.dataUrl = dataUrl;
if (openUrl) this.openUrl = openUrl;
this.paint();
},
parseAjaxResponse: function (ajax) {
var me = this;
var xml = ajax.responseXML;
var parser = new XmlParser(xml);
var nodes = parser.getNodes('/DataSet/Data');
me.dataContext = {};
var dataItems = [];
var maxUnitNetValue, minUnitNetValue;
var maxIndexValue, minIndexValue;
nodes.each(function (item, arr, index) {
var data = {};
data.date = parser.getChildValue(item, 'fld_enddate');
data.unitNetValue = parseFloat(parser.getChildValue(item, 'fld_unitnetvalue'));
data.netValue = parseFloat(parser.getChildValue(item, 'fld_netvalue'));
data.indexValue = parseFloat(parser.getChildValue(item, 'fld_newprice'));
if (index == 0) {
maxUnitNetValue = data.unitNetValue;
minUnitNetValue = data.unitNetValue;
maxIndexValue = minIndexValue = data.indexValue;
} else {
maxUnitNetValue = Math.max(data.unitNetValue, maxUnitNetValue);
minUnitNetValue = Math.min(data.unitNetValue, minUnitNetValue);
maxIndexValue = Math.max(data.indexValue, maxIndexValue);
minIndexValue = Math.min(data.indexValue, minIndexValue);
}
dataItems.push(data);
});
dataItems.reverse();
me.dataContext.dataItems = dataItems;
me.dataContext.firstValue = dataItems[0].unitNetValue;
me.dataContext.firstIndexValue = dataItems[0].indexValue;
var fallRateNetValue = (dataItems[0].unitNetValue - minUnitNetValue) / dataItems[0].unitNetValue;
var fallRateIndexValue = (dataItems[0].indexValue - minIndexValue) / dataItems[0].indexValue;
if (fallRateIndexValue > fallRateNetValue) {
minUnitNetValue = dataItems[0].unitNetValue * (1 - fallRateIndexValue);
} else {
minIndexValue = dataItems[0].indexValue * (1 - fallRateNetValue);
}
var riseRateNetValue = (maxUnitNetValue - dataItems[0].unitNetValue) / dataItems[0].unitNetValue;
var riseRateIndexValue = (maxIndexValue - dataItems[0].indexValue) / dataItems[0].indexValue;
if (riseRateIndexValue > riseRateNetValue) {
maxUnitNetValue = dataItems[0].unitNetValue * (1 + riseRateIndexValue);
} else {
maxIndexValue = dataItems[0].indexValue * (1 + riseRateNetValue);
}
me.dataContext.maxUnitNetValue = maxUnitNetValue;
me.dataContext.minUnitNetValue = minUnitNetValue;
me.dataContext.maxIndexValue = maxIndexValue;
me.dataContext.minIndexValue = minIndexValue;
/*
var changeRateNetValue = (maxUnitNetValue - minUnitNetValue) / maxUnitNetValue;
var changeRateIndexValue = (maxIndexValue - minIndexValue) / maxIndexValue;
if (changeRateIndexValue > changeRateNetValue) {
me.dataContext.minUnitNetValue = maxUnitNetValue - maxUnitNetValue * changeRateIndexValue;
} else {
me.dataContext.minIndexValue = maxIndexValue - maxIndexValue * changeRateNetValue;
}*/
me.dataContext.lastValue = dataItems[dataItems.length - 1].unitNetValue;
},
clear: function () {
this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
},
addEvents: function () {
var me = this;
if (me.hasAddEvents) return;
var canvas = me.canvas;
var options = me.chartOptions;
var region = options.region;
function getY(x) {
var dc = me.dataContext;
var dataItems = dc.dataItems;
var count = dataItems.length;
var index = Math.ceil((x - region.x) / region.width * (count - 1));
var val;
var isNewQuote;
var dataItem;
if (index >= 0 && index < count) {
dataItem = dataItems[index];
val = dataItem.unitNetValue;
isNewQuote = false;
} else {
val = dc.lastValue;
isNewQuote = true;
}
if (canvas.tip) {
canvas.painter = me;
canvas.tip.dataContext = { index: index, dataItem: dataItem, isNewQuote: isNewQuote };
}
return region.y + (dc.maxUnitNetValue - val) * region.height / (dc.maxUnitNetValue - dc.minUnitNetValue);
}
function getX(x) {
var dc = me.dataContext;
var dataItems = dc.dataItems;
var count = dataItems.length;
var index = Math.ceil(x / region.width * (count - 1));
var val;
if (index < 0) index = 0;
if (index >= count) index = count - 1;
return region.x + (region.width * index / (count - 1));
}
//添加鼠标事件
addCrossLinesAndTipEvents(canvas, {
getCrossPoint: function (ev) { var x = getX(ev.offsetX); var y = getY(ev.offsetX); /*setDebugMsg('crossPoint:x=' + x+',y='+y);*/return { x: x, y: y }; },
triggerEventRanges: { x: region.x, y: region.y, width: region.width - 1, height: region.height },
tipOptions: {
getTipHtml: function (ev) { return null; },
position: { x: false, y: false }
},
crossLineOptions: {
color: 'black'
},
onClick: function () {
window.open(me.openUrl);
}
});
me.hasAddEvents = true;
},
doPaint: function () {
var me = this;
me.clear();
me.paintTitle();
me.paintChart();
me.paintDate();
me.paintLegend();
me.appendLinks();
me.addEvents();
},
paint: function () {
if (!this.canPaint) return;
var me = this;
Ajax.get(me.dataUrl, function (ajax) {
me.parseAjaxResponse.call(me, ajax);
me.doPaint.call(me);
}, me.canvas.id, true);
}
};
</script>
<!--don't combine-->
<script>
var painter;
addLoadEvent(
function () {
if (!painter) {
painter = new FundIndex('canvasFund', {
riseColor: 'red', fallColor: 'green', normalColor: 'black',
dataUrl: 'openfundnetvalue.xml', openUrl: 'http://jingzhi.funds.hexun.com/160808.shtml',
titleOptions: { region: { x: 2, y: 2, width: 212, height: 16 }, font: '9pt 宋体' },
chartOptions: {
region: { x: 2.5, y: 18.5, width: 155, height: 90 },
borderColor: 'black',
font: '9pt 宋体', fontColor: 'gray',
splitLine: { spaceCount: 4, color: 'lightgray', referenceColor: 'red' },
fundLineColor: '#E2007E',
indexLineColor: '#2358A6'
},
dateAxisOptions: { region: { x: 1.5, y: 123, height: 16, width: 153 }, color: 'gray', font: '7pt Arial' },
legendOptions: { region: {x:1.5,y:129,height:12,width:153}, fontColor:'black',font:'9pt 宋体',barHeight:5,barWidth:16,spaceBetweenBarAndText:2 },
linksOptions:{region:{x:158,y:16,height:120,width:56}}
});
}
painter.paint();
}
);
</script>
<style type="text/css">
.menu{display:none}
.menuItem{border: 1px solid #666;color: #666;display: block;font-size: 9pt;font-family: Arial,宋体;margin: 2px;text-decoration: none;line-height: 16px;text-align: center;}
.focus{background: #FFCC66;}
</style>
</head>
<body>
<canvas id="canvasFund" width="214" height="146"></canvas>
<div id="canvasFund_links" class="menu">
<a href="http://jingzhi.funds.hexun.com/jz/" target="_blank" class="menuItem">基金净值</a>
<a href="http://paiming.funds.hexun.com/cc/zcgtj.htm" target="_blank" class="menuItem">重仓股</a>
<a href="http://funds.hexun.com/2009/jjsxq/index.html" target="_blank" class="menuItem">筛选器</a>
<a href="http://bbs.hexun.com/funds/board_30_all_1_d.aspx" target="_blank" class="menuItem">基金论坛</a>
<a href="http://funds.hexun.com/money/" target="_blank" class="menuItem">基金课堂</a>
</div>
</body>
</html>