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dealAmountAnalysis.htm
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dealAmountAnalysis.htm
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<!doctype html>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=GBK" />
<title>成交金额分析</title>
<script src="libs/ajax.js" type="text/javascript"></script>
<script src="libs/xmlparser.js" type="text/javascript"></script>
<script src="libs/loading.js" type="text/javascript"></script>
<script src="libs/absPainter.js" type="text/javascript"></script>
<script src="libs/util.js" type="text/javascript"></script>
<script src="libs/axis-x.js" type="text/javascript"></script>
<script src="libs/axis-y.js" type="text/javascript"></script>
<script src="libs/crossLines.js" type="text/javascript" charset="GBK"></script>
<script src="libs/tip.js" type="text/javascript" charset="GBK"></script>
<script src="libs/chartEventHelper.js" type="text/javascript"></script>
<script src="libs/linepainter.js" type="text/javascript"></script>
</head>
<body>
<canvas id="canvas" width="500" height="400" style="border: 1px solid lightgray">
</canvas>
<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]
*/
//http://vol.stock.hexun.com/Charts/Now/Share/info1.ashx?code=600036
//http://vol.stock.hexun.com/600036.shtm
/**
data format:
var data = {
title:'招商银行(600036)成交金额分析',
stock:'招商银行',
preClose:11.70,
flowUnit:'万元',
items: [{ time: '09:30', price: 11.64, flowIn: 49.27, flowOut: 10.87}]
};*/
var canvasId = 'canvas';
var options = {
region: { x: 60, y: 50, width: 400, height: 320, borderColor: 'lightgray' },
minsCount: 241,
bar: { width: 1, flowInColor: 'red', flowOutColor: 'green' },
priceLineColor: '#6699cc',
priceColors:{rise:'red',fall:'green',normal:'black'},
titleOptions:{font:'Bold 11px 宋体',position:{x:15,y:5},color:'black',textBaseline:'top'},
flowUnitOptions:{font:'11px 宋体',position:{x:30,y:28},color:'black',textBaseline:'top'},
stockNameOptions:{font:'11px 宋体',position:{x:400,y:28},color:'black',textBaseline:'top'},
xAxis: { font: '11px Arial', region: { x: 60, y: 373, height: 30, width: 400 }, color: 'black',textBaseline:'top' },
yAxisFlow: { font: '11px Arial', region: { x: 0, y: 47, height: 320, width: 55}, color: 'black',align:'right' ,fontHeight:8,textBaseline:'top'},
yAxisPrice: { font: '11px Arial', region: { x: 462, y: 47, height: 320, width: 48}, color: 'black',align:'left' ,fontHeight:8,textBaseline:'top'}
};
var implementFlowInOut = {
start: function () {
//画框和线
var ctx = this.ctx;
var region = options.region;
ctx.beginPath();
ctx.strokeStyle = region.borderColor;
ctx.rect(region.x, region.y, region.width, region.height);
ctx.closePath();
ctx.stroke();
function fillText(txt,ops){
if(ops){
ctx.fillStyle = ops.color;
ctx.font = ops.font;
if(ops.textBaseline) ctx.textBaseline = ops.textBaseline;
ctx.fillText(txt,ops.position.x,ops.position.y);
}
}
fillText(this.data.title,options.titleOptions);
fillText('('+this.data.flowUnit+')',options.flowUnitOptions);
fillText(this.data.stock,options.stockNameOptions);
ctx.save();
//转换坐标
ctx.translate(region.x, region.y + region.height / 2);
//画线
var hlines = [0, region.height / 6, region.height * 2 / 6, 0 - region.height / 6, 0 - region.height * 2 / 6];
var me = this;
hlines.each(function (i) {
me.drawHLine(region.borderColor, 0, i, region.width);
});
var vlines = [region.width / 4, region.width / 2, region.width * 3 / 4];
vlines.each(function (i) {
me.drawVLine(region.borderColor, i, 0 - region.height / 2, region.height);
});
//this.drawHLine(options.region.borderColor, 0, 0, region.width);
//获得最大值
maxFlow = 0;
this.data.items.each(function (item) {
var maxI = Math.max(item.flowIn, item.flowOut);
maxFlow = Math.max(maxI, maxFlow);
});
this.maxFlow = maxFlow;
},
getDataLength: function () { return this.data.items.length; },
getX: function (i) {
return (i + 1) * (options.region.width / options.minsCount);
},
paintItem: function (i, x, y) {
var ctx = this.ctx;
ctx.beginPath();
var y = this.data.items[i].flowIn / this.maxFlow * options.region.height / 2;
ctx.rect(x, 0 - y, options.bar.width, y);
ctx.fillStyle = options.bar.flowInColor;
ctx.fill();
ctx.beginPath();
var y = this.data.items[i].flowOut / this.maxFlow * options.region.height / 2;
ctx.rect(x, 0, options.bar.width, y);
ctx.fillStyle = options.bar.flowOutColor;
ctx.fill();
},
end: function () {
this.ctx.restore();
}
};
Ajax.get('dealAmountAnalysis.xml', function (client) {
var doc = client.responseXML;
var parser = new XmlParser(doc);
var data = {
title: parser.getValue('Data/Title/@name'),
stock: parser.getValue('Data/Item[1]/Title/@name'),
preClose: parser.getValue('Data/Item[1]/Title/@close'),
flowUnit: parser.getValue('Data/Item[0]/Title/@unit')
//items: [{ time: '09:30', price: 11.64, flowIn: 49.27, flowOut: 10.87}]
};
var items = [];
var itemsNodes = parser.getNodes('Data/Item[0]/Item');
var priceNodes = parser.getNodes('Data/Item[1]/Item');
for (var i = 0; i < itemsNodes.length; i++) {
var node = itemsNodes[i];
var time = node.getAttribute('date');
if (time < '09:30') continue;
var index = items.length;
items[index] = {
time: time,
flowIn: parseFloat(node.getAttribute('inflow')),
flowOut: parseFloat(node.getAttribute('outflow'))
};
}
function getTimeByIndex(i) {
if (i <= 120) {
i += 30;
var minutes = i % 60;
var hour = 9 + (i - minutes) / 60;
if (hour < 10) hour = '0' + hour;
if (minutes < 10) minutes = '0' + minutes;
return hour + ':' + minutes;
} else {
i = i - 121;
var minutes = i % 60;
var hour = 13 + (i - minutes) / 60;
if (minutes < 10) minutes = '0' + minutes;
return hour + ':' + minutes;
}
}
for (var i = 0; i < priceNodes.length; i++) {
if (i < items.length) items[i].price = priceNodes[i].getAttribute('price');
else items[items.length] = { time: getTimeByIndex(i), price: priceNodes[i].getAttribute('price'), flowIn: 0, flowOut: 0 };
}
data.items = items;
var painterFlow = new Painter(canvasId, implementFlowInOut, data);
painterFlow.paint();
var priceLinePainter = new linePainter({
region: options.region,
maxDotsCount: options.minsCount,
getDataLength: function () { return this.data.items.length; },
getItemValue: function (item) { return item.price; },
middleValue: parseFloat(data.preClose), //通常是昨收
lineColor:options.priceLineColor
});
var paintPrice = new Painter(canvasId, priceLinePainter, data);
paintPrice.paint();
//价格坐标轴
var preClose = parseFloat(data.preClose);
var canvas = $id(canvasId);
function getIndexByX(x) {
var index = Math.ceil((x - options.region.x) * options.minsCount / options.region.width);
if (index > items.length - 1) index = items.length - 1;
return index;
}
addCrossLinesAndTipEvents(canvas, {
getCrossPoint: function (ev) {
ev = ev || event;
getOffset(ev);
var dataIndex = getIndexByX(ev.offsetX);
var x = options.region.x + priceLinePainter.getX.call(paintPrice, dataIndex);
return { x: x, y: ev.offsetY };
},
triggerEventRanges: { x: options.region.x, y: options.region.y, width: options.region.width, height: options.region.height },
tipOptions: {
getTipHtml: function (ev) {
ev = ev || event;
getOffset(ev);
var dataIndex = getIndexByX(ev.offsetX);
if (dataIndex >= 0 && dataIndex < items.length) {
var dataItem = items[dataIndex]
//{ time: '09:30', price: 11.64, flowIn: 49.27, flowOut: 10.87}
return '时 间：' + dataItem.time
+ '<br/>流入资金：<font color="' + options.priceColors.rise + '">' + dataItem.flowIn + '(' + data.flowUnit + ')</font>'
+ '<br/>流出资金：<font color="' + options.priceColors.fall + '">' + dataItem.flowOut + '(' + data.flowUnit + ')</font>'
+ '<br/>价 格：<font color="' + (dataItem.price > preClose ? options.priceColors.rise : options.priceColors.fall) + '">'
+ parseFloat(dataItem.price).toFixed(2)
+ '</font>';
}
},
position: { x: false, y: options.region.y + options.region.height / 5 }, //position中的值是相对于canvas的左上角的
size: { width: 150, height: 80 },
opacity: 80,
cssClass: null,
offsetToPoint: 30
},
crossLineOptions: {
color: 'black'
}
});
//时间轴
var xAxisImple = new xAxis(options.xAxis);
var xAxisPainter = new Painter(canvasId, xAxisImple, ['09:30', '10:30', '11:00/13:00', '14:00', '15:00']);
xAxisPainter.options = xAxisImple.options;
xAxisPainter.paint();
var scalers = [];
scalers.push(painterFlow.maxFlow.toFixed(2));
scalers.push((painterFlow.maxFlow * 2 / 3).toFixed(2));
scalers.push((painterFlow.maxFlow / 3).toFixed(2));
scalers.push(0);
scalers.push('-' + (painterFlow.maxFlow / 3).toFixed(2));
scalers.push('-' + (painterFlow.maxFlow * 2 / 3).toFixed(2));
scalers.push('-' + painterFlow.maxFlow.toFixed(2));
//资金流向坐标轴
var flowScalerImpl = new yAxis(options.yAxisFlow);
var yAxisPainterFlow = new Painter(canvasId, flowScalerImpl, scalers);
yAxisPainterFlow.scalerOptions = options.yAxisFlow;
yAxisPainterFlow.paint();
var diffMax = parseFloat(paintPrice.maxDiff);
var max = preClose + diffMax;
var priceScalers = [];
var step = diffMax / 3;
for (var i = 0; i < 7; i++) {
priceScalers.push((max - i * step).toFixed(2));
}
options.yAxisPrice.color = function (val) {
if (parseFloat(val) > preClose) return options.priceColors.rise;
else if (parseFloat(val) == preClose) return options.priceColors.normal;
return options.priceColors.fall;
};
var priceScalerImpl = new yAxis(options.yAxisPrice);
var yAxisPainterPrice = new Painter(canvasId, priceScalerImpl, priceScalers);
yAxisPainterPrice.scalerOptions = options.yAxisPrice;
yAxisPainterPrice.paint();
}, canvasId, true);
</script>
<style>
pre{padding: 60px 0 0 30px;color: gray;font-size: .8em;line-height: 20px;}
</style>
<p><a href="./index.html">返回列表页</a></p>
<pre>
Author:yukaizhao http://www.cnblogs.com/yukaizhao/ http://weibo.com/yukaizhao/
参与项目或技术交流：<a href="mailto:[email protected]">[email protected]</a>
</pre>
</body>
</html>