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dailyTradeAnalysis.v2.htm
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dailyTradeAnalysis.v2.htm
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<!doctype html >
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=GBK" />
<title>资金流向盘中分价统计图</title>
<script src="libs/util.js" type="text/javascript" charset="GBK"></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/loading.compressed.js" type="text/javascript"></script>
<script src="libs/ajax.js" type="text/javascript"></script>
<script src="libs/chartEventHelper.js" type="text/javascript"></script>
</head>
<body>
<canvas id="canvas" width="400" height="500" style="border:1px solid #69c"></canvas>
<div id="debug"></div>
<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/PriceAmount.ashx?code=600036
//http://vol.stock.hexun.com/Now/share/PriceAmount.shtml?rank=3&code=600036
/*
* canvasId: canvasId
* options:{
titleOptions:{position:{x:1,y:1},fontColor:'black',font:'12px Bold Arial'},
priceUnitOptions:{position:{x:20,y:15},fontColor:'black',font:'11px Arial',text:'(元)'},
flowInInstructionOptions :{position:{x:60,y:30},color:'red',text:'流入性资金',font:'11px Arial',fontColor:'black'},
flowOutInstructionOptions:{position:{x:120,y:30},color:'red',text:'流出性资金',font:'11px Arial',fontColor:'black'},
chartOptions:{position:{x:50,y:50},width:300,itemHeight:18,borderColor:'gray',lineColor:'gray',minHeight:200},
//成交单位选项
dealUnitOptions:{color:'red',font:'11px Arial',fontColor:'black',height:20}
}
* data : {title:'招商银行(600036)日成交分析',unit:'万元',items:[{priceRanges:{begin:11.95,to:11.96},flowIn:354.23,flowOut:18.64}]};
*
*/
function moneyFlowAnalysisPainter(canvasId, options, data) {
this.canvas = document.getElementById(canvasId);
if (!this.canvas.getContext) return;
var canvas = this.canvas;
var ctx = this.canvas.getContext('2d');
var chartOptions = options.chartOptions;
var dealUnitOptions = options.dealUnitOptions;
var dataLength = data.items.length;
chartOptions.height = Math.max(chartOptions.minHeight,dataLength * chartOptions.itemHeight);
var canvasHeight = chartOptions.height + chartOptions.position.x + dealUnitOptions.height;
canvas.height = canvasHeight;
ctx.clearRect(0, 0, canvas.width, canvas.height);
function drawText(ops) {
ctx.fillStyle = ops.fontColor;
ctx.font = ops.font;
if (ops.textBaseline) ctx.textBaseline = ops.textBaseline;
ctx.fillText(ops.text, ops.position.x, ops.position.y);
}
//画标题
if (options.titleOptions) {
var to = options.titleOptions;
to.text = data.title;
drawText(to);
}
//画价格单位
//priceUnitOptions:{position:{x:20,y:15},fontColor:'black',font:'11px Arial',text:'(元)'},
if (options.priceUnitOptions) {
drawText(options.priceUnitOptions);
}
/*
flowInInstructionOptions :{position:{x:60,y:30},color:'red',text:'流入性资金',font:'11px Arial',fontColor:'black'},
flowOutInstructionOptions:{position:{x:120,y:30},color:'red',text:'流出性资金',font:'11px Arial',fontColor:'black'},
*/
if (options.flowInInstructionOptions) {
var op = options.flowInInstructionOptions;
ctx.beginPath();
ctx.rect(op.position.x,op.position.y,op.rectSize,op.rectSize);
ctx.fillStyle = op.color;
ctx.strokeStyle = op.strokeStyle || 'lightGray';
ctx.fill();
ctx.stroke();
op.position = { x: op.position.x+op.fontOffset.left + op.rectSize, y: op.position.y+op.fontOffset.top };
drawText(op);
}
if (options.flowOutInstructionOptions) {
var op = options.flowOutInstructionOptions;
ctx.beginPath();
ctx.rect(op.position.x, op.position.y, op.rectSize, op.rectSize);
ctx.fillStyle = op.color;
ctx.strokeStyle = op.strokeStyle || 'lightGray';
ctx.fill();
ctx.stroke();
op.position = { x: op.position.x + op.fontOffset.left + op.rectSize, y: op.position.y + op.fontOffset.top };
drawText(op);
}
//画主图区
ctx.beginPath();
ctx.lineWidth = 1;
ctx.rect(chartOptions.position.x, chartOptions.position.y,chartOptions.width,chartOptions.height);
ctx.strokeStyle = chartOptions.borderColor;
ctx.closePath();
ctx.stroke();
//画线
ctx.lineWidth = 1;
var lineCount = chartOptions.height / (chartOptions.itemHeight*2);
for (var i=1;i<lineCount ;i++) {
ctx.beginPath();
ctx.fillStyle = chartOptions.borderColor;
var x = chartOptions.position.x;
var y = chartOptions.position.y + i * chartOptions.itemHeight*2;
ctx.rect(x, y, chartOptions.width, 1);
ctx.closePath();
ctx.fill();
}
var verticalLines = [chartOptions.width / 4, chartOptions.width / 2, chartOptions.width / 4 * 3];
for (var i = 0; i < verticalLines.length; i++) {
ctx.beginPath();
ctx.fillStyle = chartOptions.borderColor;
ctx.rect(chartOptions.position.x + verticalLines[i], chartOptions.position.y, 1, chartOptions.height);
ctx.closePath();
ctx.fill();
}
//画线完毕
var items = data.items;
var max = 0;
for (var i = 0; i < items.length; i++) {
max = Math.max(max, items[i].flowIn);
max = Math.max(max, items[i].flowOut);
}
var flowInColor = options.flowInInstructionOptions.color;
var flowOutColor = options.flowOutInstructionOptions.color;
//底部成交额坐标
var txt = '0.00';
var top = chartOptions.height + chartOptions.position.y + 2;
ctx.fillStyle = 'black';
var txtWidth = ctx.measureText(txt).width;
ctx.fillText(txt,chartOptions.width / 2 + chartOptions.position.x - txtWidth / 2, top);
txt = max.toFixed(2);
txtWidth = ctx.measureText(txt).width;
ctx.fillStyle = 'red';
ctx.fillText(txt, chartOptions.width + chartOptions.position.x - txtWidth, top);
txt = (max / 2).toFixed(2);
txtWidth = ctx.measureText(txt).width;
ctx.fillText(txt, chartOptions.width * 3/4 + chartOptions.position.x - txtWidth/2, top);
txt = '-' + max.toFixed(2);
ctx.fillStyle = 'green';
ctx.fillText(txt, chartOptions.position.x, top);
txt = '-' + (max / 2).toFixed(2);
txtWidth = ctx.measureText(txt).width;
ctx.fillText(txt, chartOptions.position.x + chartOptions.width / 4 - txtWidth /2, top);
function getY(index) { return chartOptions.position.y + (index * 2 + 1) * chartOptions.barSpace / 2 + index * chartOptions.barHeight; }
for (var i = 0; i < items.length; i++) {
var item = items[i];
var inLength = chartOptions.width / 2 * item.flowIn / max;
var outLength = chartOptions.width / 2 * item.flowOut / max;
var y = getY(i);
//资金流出
ctx.fillStyle = flowInColor;
ctx.beginPath();
ctx.rect(chartOptions.position.x + chartOptions.width / 2, y, inLength, chartOptions.barHeight);
ctx.closePath();
ctx.fill();
//资金流入
ctx.fillStyle = flowOutColor ;
ctx.beginPath();
ctx.rect(chartOptions.position.x + chartOptions.width / 2 - outLength, y, outLength, chartOptions.barHeight);
ctx.closePath();
ctx.fill();
if (i % 2 == 0) {
//左侧价格
var price = new Number(item.priceRanges.to).toFixed(2);
ctx.font = chartOptions.priceScalerTextFont;
var priceWidth = ctx.measureText(price).width;
var x = chartOptions.position.x - priceWidth + chartOptions.priceScalerOffset.right;
y = chartOptions.position.y + chartOptions.itemHeight * (i+1) - chartOptions.priceScalerFontHeight / 2 + chartOptions.priceScalerOffset.top;
ctx.fillStyle = chartOptions.priceScalerColor;
ctx.textBaseline = chartOptions.priceScalerTextBaseline;
ctx.fillText(price, x, y);
}
}
function getIndexByY(pointY) {
var index = Math.ceil((pointY - chartOptions.position.y) / (chartOptions.barSpace + chartOptions.barHeight)) - 1;
if (index >= items.length) return items.length - 1;
return index;
}
addCrossLinesAndTipEvents(canvas, {
getCrossPoint: function (ev) {
var dataIndex = getIndexByY(ev.offsetY);
var y = getY(dataIndex) + chartOptions.barHeight / 2;
return { x: ev.offsetX, y: y };
},
triggerEventRanges: { x: chartOptions.position.x, y: chartOptions.position.y, width: chartOptions.width, height: chartOptions.height },
tipOptions: {
getTipHtml: function (ev) {
var dataIndex = getIndexByY(ev.offsetY);
if (dataIndex >= 0 && dataIndex < items.length) {
var dataItem = items[dataIndex]
var flowInGreatThanOut = Math.abs(dataItem.flowIn) > Math.abs(dataItem.flowOut);
return '价格区间：' + dataItem.priceRanges.begin + ' - ' + dataItem.priceRanges.to + '(元)'
+ '<br/>流入资金：<font color="' + flowInColor + '">' + dataItem.flowIn + '(' + data.unit + ')</font>'
+ '<br/>流出资金：<font color="' + flowOutColor + '">' + dataItem.flowOut + '(' + data.unit + ')</font>'
+ '<br/>差 值：<font color="' + (flowInGreatThanOut ? flowInColor : flowOutColor) + '">'
+ (Math.abs(dataItem.flowIn) - Math.abs(dataItem.flowOut)).toFixed(2)
+ '</font>';
}
},
position: { x: chartOptions.position.x + chartOptions.width/6, y: false }, //position中的值是相对于canvas的左上角的
size: { width: 165, height: 100 },
opacity: 80,
cssClass: null,
offsetToPoint: 30
},
crossLineOptions: {
color: 'red'
}
});
}
//载入数据调用Painter画图
Ajax.get('dailyTradeAnalysis.xml',
function (client) {
if (client.readyState == 4 && (client.status == 200 || client.status == 304)) {
var dom = client.responseXML;
var titleNode = dom.getElementsByTagName('Data')[0].getElementsByTagName('Title')[0];
var title = titleNode.getAttribute('name');
var itemRootNode = dom.getElementsByTagName('Item')[0];
var itemTitleNode = itemRootNode.getElementsByTagName('Title')[0];
var unit = itemTitleNode.getAttribute('unit');
var itemNodes = itemRootNode.getElementsByTagName('Item');
var items = [];
for (var i = 0; i < itemNodes.length; i++) {
var itemNode = itemNodes[i];
var item = { priceRanges: { begin: itemNode.getAttribute('price1'), to: itemNode.getAttribute('price2') },
flowIn: itemNode.getAttribute('inflow'), flowOut: itemNode.getAttribute('outflow')
};
items.push(item);
}
var painter = new moneyFlowAnalysisPainter('canvas',
{
titleOptions: { position: { x: 10, y: 20 }, fontColor: 'black', font: 'Bold 12px Arial' },
priceUnitOptions: { position: { x: 24, y: 38 }, fontColor: 'black', font: '11px Arial', text: '(元)' },
flowInInstructionOptions: { position: { x: 180, y: 33 }, color: 'red', text: '流入性资金', font: '11px Arial', fontColor: 'black', rectSize: 12, textBaseline: 'top', fontOffset: {left:2,top:-2} },
flowOutInstructionOptions: { position: { x: 280, y: 33 }, color: 'green', text: '流出性资金', font: '11px Arial', fontColor: 'black', rectSize: 12, textBaseline: 'top', fontOffset: { left: 2, top: -2} },
chartOptions: { position: { x: 50, y: 50 }, width: 330, itemHeight: 9, barHeight: 5, barSpace: 4, borderColor: 'gray', lineColor: 'gray', minHeight: 200,
priceScalerTextFont: '11px Arial', priceScalerFontHeight: 11, priceScalerColor: 'black', priceScalerOffset: { right: -4, top: 2 }, priceScalerTextBaseline: 'alphabetic'
},
//成交单位选项
dealUnitOptions: { color: 'red', font: '11px Arial', fontColor: 'black', height: 30 }
},
{ title: title, unit: unit, items: items }
);
}
},'canvas');
</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>