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test.html
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<!DOCTYPE html>
<html lang="zh-CN" class="index_page">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=0,width=device-width" />
<meta name="baidu-tc-cerfication" content="bfce60f87fb38b64c36ee8f3841f97f2" />
<meta name="format-detection" content="telephone=no" />
<meta name="format-detection" content="email=no" />
<meta name="format-detection" content="address=no;">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="default" />
<title>random</title>
<style type="text/css">
#sourceChart{
height: 400px;
margin-left: -1150px;
}
</style>
</head>
<body>
<div class="body_div">
<div id="sourceChart"></div>
</div>
<script type="text/javascript" src="http://zeptojs.com/zepto.js"></script>
<script>
(function($) {
var canvas,context;
var stepXArr=[],stepYArr=[],xStepWidth=0;
var xAxisHeight = 0 ,yAxisWidth = 0;
var heightVal = 0;//高度值对应数据比例
/**
* 画X轴
* */
var drawXAxis = function (xAxisData) {
context.beginPath();
//画X轴横线
context.moveTo(yAxisWidth - 6, canvas.height - xAxisHeight);
context.lineTo(canvas.width-yAxisWidth,canvas.height - xAxisHeight);
context.lineWidth = 0.5;
//画刻度、加标签
var len = xAxisData.length;
xStepWidth = (canvas.width-2*yAxisWidth)/(len-0.5);
for(var i = 0;i < len;i++){
//画刻度，默认刻度高度为6个像素
context.moveTo(yAxisWidth + i*xStepWidth, canvas.height - xAxisHeight);
context.lineTo(yAxisWidth + i*xStepWidth,canvas.height - xAxisHeight + 6);
//画标签，默认字体为14个像素
context.font = 'normal normal normal 10px 微软雅黑';
//字体居中在刻度中间
context.fillText(xAxisData[i],
yAxisWidth + (i+0.5)*xStepWidth - xAxisData[i].length*14/2,
canvas.height - xAxisHeight + 14);
//缓存刻度位置，用于画网格
stepXArr.push(yAxisWidth + (i+1)*xStepWidth);
}
context.stroke();
context.lineWidth = 0.5;
}
/**
* 画Y轴
* */
var drawYAxis = function(yMax,step) {
//y轴最大值多出数据最大值半个空格
yMax = Math.ceil(yMax+0.5*yMax/step);
context.beginPath();
//画X轴横线
context.moveTo(yAxisWidth, xAxisHeight);
context.lineTo(yAxisWidth,canvas.height - xAxisHeight + 6);
//画刻度、加标签
var tickWidth = (canvas.height - 2*xAxisHeight )/step;
heightVal = (canvas.height - 2*xAxisHeight )/yMax;
for(var i = 0;i <= step;i++){
//画刻度，默认刻度高度为6个像素
context.moveTo(yAxisWidth, canvas.height - xAxisHeight - tickWidth * i);
context.lineTo(yAxisWidth - 6,canvas.height - xAxisHeight - tickWidth * i);
//画标签，默认字体为14个像素
context.font = 'normal normal 10px 微软雅黑';
//字体居中在刻度中间
context.fillText(Math.ceil(yMax/step) * i,
yAxisWidth-30,
canvas.height - xAxisHeight - tickWidth * i + 7);
//缓存刻度位置，用于画网格
stepYArr.push(canvas.height - xAxisHeight - tickWidth * i);
}
context.stroke();
}
/**
* 画网格
* */
var drawGrid = function() {
context.save();
context.strokeStyle = "#6e6e6e";
context.fillStyle = '#ffffff';
context.lineWidth = 0.5;
//画横线
var j = 0,stepX = (canvas.width - 2*yAxisWidth)/10,stepY = (canvas.height - 2*xAxisHeight)/10;
//10个像素位为单位,6个像素画线，4个像素空出来，成为虚线
for (var i = 0,len = stepYArr.length; i < len-1; i ++) {
context.beginPath();
for(j = 0;j < stepX;j++){
context.moveTo(yAxisWidth + j*10, stepYArr[i+1]);
context.lineTo(yAxisWidth + j*10 + 6, stepYArr[i+1]);
}
context.stroke();
}
//画竖线
for (var i = 0,len = stepXArr.length; i < len-1; i ++) {
context.beginPath();
for(j = 0;j < stepY;j++){
context.moveTo(stepXArr[i],xAxisHeight + j*10 );
context.lineTo(stepXArr[i],xAxisHeight + j*10+6);
}
context.stroke();
}
context.restore();
}
/**
* 画线条
* */
var drawLine = function(lineData,color){
//循环数据源画线条
context.beginPath();
context.strokeStyle = color;
context.lineWidth = 1;
context.moveTo(stepXArr[0] - xStepWidth ,canvas.height - xAxisHeight - lineData[0]*heightVal);
for (var i = 1,len = lineData.length; i < len; i ++) {
context.lineTo(stepXArr[i] - xStepWidth ,canvas.height - xAxisHeight - lineData[i]*heightVal);
}
context.stroke();
//画圆点
/*for (var i = 0,len = lineData.length; i < len; i ++) {
context.beginPath();
context.fillStyle = 'rgba(' + (Math.random()*255).toFixed(0) + ', ' +
(Math.random()*255).toFixed(0) + ', ' +
(Math.random()*255).toFixed(0) + ', 1.0)';
context.arc(stepXArr[i] - xStepWidth/2 ,canvas.height - xAxisHeight - lineData[i]*heightVal,
7, 0, Math.PI*2, true);
context.fill();
}*/
}
/**
* 画柱子
* */
var drawBar = function(barData,colorArr){
var barWidth = xStepWidth/2;//定义柱子宽度
//循环数据源画矩形
for (var i = 0,len = barData.length; i < len; i ++) {
context.beginPath();
context.fillStyle = colorArr[i];
context.fillRect(stepXArr[i] - xStepWidth/2 - barWidth/2,canvas.height - xAxisHeight - barData[i]*heightVal,
barWidth,barData[i]*heightVal);
context.fill();
}
}
var methods = {
init: function(options) {
// 在每个元素上执行方法
return this.each(function() {
var $this = $(this);
// 尝试去获取settings，如果不存在，则返回“undefined”
var settings = $this.data("lineChart");
// 如果获取settings失败，则根据options和default创建它
// if (typeof settings === "undefined") {
var date = new Date();
var month = date.getMonth()+1;
var day = date.getDate()
var dateArr = [];
for(var i=day-6;i<day+1;i++){
dateArr.push(month+'-'+i);
}
//取样400
var sample = 400;
var temp = {};
for(var i=0;i<sample;i++){
temp[i] = 0;
}
//执行4万次，每个样本平均100次
for(var j = 0; j < sample*10000; j++){
var cur = Math.floor(Math.random()*sample);
temp[cur]++;
}
var arr = [];
var index = [];
for(var k in temp){
index.push(k);
arr.push(temp[k]);
}
if (!settings) {
var defaults = {
width:300,
height:160,
xAxis: index,
//xAxis:[1,2,3],
//lineData:[[601,200,300,245,150,245,300]],
lineData:[arr],
lineColor:['#06a765','#ff6600'],
//barData:[350,134,120,51,90],
//colorArr:['#ae303e','#913730','#D49797','0x538FD3','#A34e5d'],
onSomeEvent: function() {
}
};
settings = $.extend({}, defaults, options);
// 保存我们新创建的settings
$this.data("lineChart", settings);
} else {
//如果我们获取了settings，则将它和options进行合并（这不是必须的，你可以选择不这样做）
settings = $.extend({}, settings, options);
// 如果你想每次都保存options，可以添加下面代码：
// $this.data("lineChart", settings);
}
canvas = document.createElement("canvas");
canvas.width = settings.width;
canvas.height = settings.height;
canvas.style.cssText = 'margin:0 auto;';
$this.append(canvas);
context = canvas.getContext('2d');
xAxisHeight = settings.height/10 ,yAxisWidth = settings.width/10;
drawXAxis(settings.xAxis);
var yMax = 0;
for(var i=0,len=settings.lineData.length;i<len;i++){
var _yMax = Math.max.apply(null,settings.lineData[i]);
if(_yMax>yMax){
yMax = _yMax;
}
}
drawYAxis(yMax,10);
drawGrid();
//画柱子drawBar(settings.barData,settings.colorArr);
for(var i=0,len=settings.lineData.length;i<len;i++){
drawLine(settings.lineData[i],settings.lineColor[i]);
}
});
},
destroy: function(options) {
// 在每个元素中执行代码
return $(this).each(function() {
var $this = $(this);
// 执行代码
// 删除元素对应的数据
$this.removeData("lineChart");
});
},
val: function(options) {
// 这里的代码通过.eq(0)来获取选择器中的第一个元素的，我们或获取它的HTML内容作为我们的返回值
var someValue = this.eq(0).html();
// 返回值
return someValue;
}
};
$.fn.lineChart = function() {
var method = arguments[0];
if (methods[method]) {
method = methods[method];
arguments = Array.prototype.slice.call(arguments, 1);
} else if (typeof method === "object" || !method) {
method = methods.init;
} else {
$.error("Method" + method + "does not exist on jQuery.pluginName");
return this;
}
return method.apply(this, arguments);
};
})(Zepto);
$("#sourceChart").lineChart("init", {
width: 12000
});
//source
//扇形
/*CanvasRenderingContext2D.prototype.sector = function (x, y, radius, sDeg, eDeg) {
// 初始保存
this.save();
// 位移到目标点
this.translate(x, y);
this.beginPath();
// 画出圆弧
this.arc(0,0,radius,sDeg, eDeg,false);
// 再次保存以备旋转
this.save();
// 旋转至起始角度
this.rotate(eDeg);
// 移动到终点，准备连接终点与圆心
this.moveTo(radius,0);
// 连接到圆心
this.lineTo(0,0);
// 还原
this.restore();
// 旋转至起点角度
this.rotate(sDeg);
// 从圆心连接到起点
this.lineTo(radius,0);
this.closePath();
// 还原到最初保存的状态
this.restore();
return this;
}
function pieChart(cfg){
var _default = {
el: $('#sourceChart'),
data:[0.30,0.40,0.30],
color:['#ff0000','#0f0','#00f'],
startDeg : Math.PI*5/4
};
this.opt = $.extend({},_default,cfg);
this.init();
}
pieChart.prototype = {
constructor : pieChart,
init: function(){
canvas = document.createElement("canvas");
canvas.width = 300;
canvas.height = 160;
canvas.style.cssText = 'margin:0 auto;';
this.opt.el.append(canvas);
context = canvas.getContext('2d');
context.beginPath();
context.arc(140,80,80,0,Math.PI*2,true);
context.stroke();
//context.closePath();
var deg = Math.PI/180;
var startDeg = this.opt.startDeg;
for(var i = 0,len = this.opt.color.length;i<len;i++){
context.fillStyle=this.opt.color[i];
context.sector(140,80,80,startDeg,startDeg+Math.PI*2*this.opt.data[i]).fill();
context.fillText(this.opt.data[i]*100+'%',10,90);
context.font = 'normal normal 10px 微软雅黑';
//debugger;
startDeg += Math.PI*2*this.opt.data[i];
}
}
};
new pieChart();*/
</script>
<script>
$('.flowBar>a').on('click',function(){
$('.flowBar>a').removeClass('cur');
$(this).addClass('cur');
var _index = $(this).attr('data-index');
$('.flowCon').hide();
$('.flowCon[data-index="'+_index+'"]').show();
});
</script>
</body>
</html>