要实现的效果如下图:

HTML代码如下:

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <link rel="stylesheet" type="text/css" href="common.css"/>
</head>
<body>
    <div class="weather-container">
        <canvas id="myCanvas" width="640" height="150"></canvas>
        <a class="oneDayWeather pastDay" href="http://www.sinohuaxia.cn" target="_blank">
            <div class="weekDay">周二</div>
            <div class="curWeather">阵雨</div>
            <div class="curWeatherPic"></div>
            <div class="highTempNum" id="highTempNum0">32°</div>
            <div class="highTemp" id="highTemp0"></div>
            <div class="lowTemp" id="lowTemp0"></div>
            <div class="lowTempNum" id="lowTempNum0">20°</div>
            <div class="dayWeatherPic"></div>
            <div class="dayWeather">雷阵雨</div>
            <div class="dayDate">06/09</div>
        </a>
        <a class="oneDayWeather pastDay" href="http://www.sinohuaxia.cn" target="_blank">
            <div class="weekDay">周二</div>
            <div class="curWeather">阵雨</div>
            <div class="curWeatherPic"></div>
            <div class="highTempNum" id="highTempNum1">29°</div>
            <div class="highTemp" id="highTemp1"></div>
            <div class="lowTemp" id="lowTemp1"></div>
            <div class="lowTempNum" id="lowTempNum1">24°</div>
            <div class="dayWeatherPic"></div>
            <div class="dayWeather">雷阵雨</div>
            <div class="dayDate">06/09</div>
        </a>
        <a class="oneDayWeather" href="http://www.sinohuaxia.cn" target="_blank">
            <div class="weekDay">周二</div>
            <div class="curWeather">阵雨</div>
            <div class="curWeatherPic"></div>
            <div class="highTempNum" id="highTempNum2">32°</div>
            <div class="highTemp" id="highTemp2"></div>
            <div class="lowTemp" id="lowTemp2"></div>
            <div class="lowTempNum" id="lowTempNum2">22°</div>
            <div class="dayWeatherPic"></div>
            <div class="dayWeather">雷阵雨</div>
            <div class="dayDate">06/09</div>
        </a>
        <a class="oneDayWeather" href="http://www.sinohuaxia.cn" target="_blank">
            <div class="weekDay">周二</div>
            <div class="curWeather">阵雨</div>
            <div class="curWeatherPic"></div>
            <div class="highTempNum" id="highTempNum3">28°</div>
            <div class="highTemp" id="highTemp3"></div>
            <div class="lowTemp" id="lowTemp3"></div>
            <div class="lowTempNum" id="lowTempNum3">9°</div>
            <div class="dayWeatherPic"></div>
            <div class="dayWeather">雷阵雨</div>
            <div class="dayDate">06/09</div>
        </a>
        <a class="oneDayWeather" href="http://www.sinohuaxia.cn" target="_blank">
            <div class="weekDay">周二</div>
            <div class="curWeather">阵雨</div>
            <div class="curWeatherPic"></div>
            <div class="highTempNum" id="highTempNum4">31°</div>
            <div class="highTemp" id="highTemp4"></div>
            <div class="lowTemp" id="lowTemp4"></div>
            <div class="lowTempNum" id="lowTempNum4">20°</div>
            <div class="dayWeatherPic"></div>
            <div class="dayWeather">雷阵雨</div>
            <div class="dayDate">06/09</div>
        </a>
        <a class="oneDayWeather" href="http://www.sinohuaxia.cn" target="_blank">
            <div class="weekDay">周二</div>
            <div class="curWeather">阵雨</div>
            <div class="curWeatherPic"></div>
            <div class="highTempNum" id="highTempNum5">28°</div>
            <div class="highTemp" id="highTemp5"></div>
            <div class="lowTemp" id="lowTemp5"></div>
            <div class="lowTempNum" id="lowTempNum5">12°</div>
            <div class="dayWeatherPic"></div>
            <div class="dayWeather">雷阵雨</div>
            <div class="dayDate">06/09</div>
        </a>
    </div>
    
    <script type="text/javascript">
    var canvas=document.getElementById('myCanvas');
    var canvasTop=canvas.offsetTop;
    var ctx=canvas.getContext('2d');
    var sixdayHighTemperature=[32,29,32,28,31,28];
    var sixdayLowTemperature=[20,24,22,9,20,12];
    var picHeight=150;
    var maxHighTemp=maxNum(sixdayHighTemperature);
    var minLowTemp=minNum(sixdayLowTemperature);
    var maxRange=maxHighTemp-minLowTemp;
    function maxNum(arr){
        var maxNum=0;
        if(arr.length){
            for(var i=0,len=arr.length;i<len;i++){
                if(i==0){
                    maxNum=arr[0];
                }else if(maxNum<arr[i]){
                    maxNum=arr[i];
                }
            }
        }
        return maxNum;
    }
    function minNum(arr){
        var minNum=0;
        if(arr.length){
            for(var i=0,len=arr.length;i<len;i++){
                if(i==0){
                    minNum=arr[0];
                }else if(minNum>arr[i]){
                    minNum=arr[i];
                }
            }
        }
        return minNum;
    }
    ctx.strokeStyle="#fff";
    ctx.lineWidth=2;
    (function drawHighTemp(temps){
            var drawX=0,drawY=0;
            var distance=Math.floor(picHeight/maxRange);
            for(var i=0,len=temps.length;i<len;i++){
                drawX=i*106+53;
                drawY=(maxHighTemp-temps[i])*distance;
                document.getElementById('highTemp'+i).style.top=(canvasTop+drawY-5)+"px";
                document.getElementById('highTempNum'+i).style.top=(canvasTop+drawY-25)+"px";
                if(i==0){
                    ctx.moveTo(drawX,drawY);
                }else{
                    ctx.lineTo(drawX,drawY);
                }
            }
            ctx.stroke();
        })(sixdayHighTemperature);
        (function drawHighTemp(temps){
            var drawX=0,drawY=0;
            var distance=Math.floor(picHeight/maxRange);
            for(var i=0,len=temps.length;i<len;i++){
                drawX=i*106+53;
                drawY=picHeight-((temps[i]-minLowTemp)*distance);
                document.getElementById('lowTemp'+i).style.top=(canvasTop+drawY-5)+"px";
                document.getElementById('lowTempNum'+i).style.top=(canvasTop+drawY+10)+"px";
                if(i==0){
                    ctx.moveTo(drawX,drawY);
                }else{
                    ctx.lineTo(drawX,drawY);
                }
            }
            ctx.stroke();
        })(sixdayLowTemperature)
    
    </script>
</body>
</html>

CSS代码如下:

body {
    background: url(img/bg_night_sunny.jpg) no-repeat;
    margin: 0;
    padding: 0;
}
.weather-container{
    width:640px;
    height:360px;
    position:relative;
}
.oneDayWeather{
    position: relative;
    overflow: hidden;
    width:105px;
    height:360px;
    float:left;
    text-align: center;
    line-height: 20px;
    color:#fff;
    border-right:1px solid rgba(255,255,255,0.25);
}
.oneDayWeather:last-child{
    border:none;
}
.oneDayWeather:active{
    background:rgba(0,0,0,0.2);
}
.pastDay{
    opacity: 0.6;
}
.weekDay{
    position: absolute;
    left:0;
    top:0;
    width:100%;
}
.curWeather{
    position: absolute;
    left:0;
    top:20px;
    width:100%;
}
.curWeatherPic{
    position: absolute;
    left:0;
    top:40px;
    width:100%;
    height:30px;
    background:url(img/w1.png) center 0 no-repeat;
    background-size:contain;
}
.highTemp,.lowTemp{
    position: absolute;
    left:0;
    top:-240px;
    width:100%;
    height:10px;
    background: url(img/splash_indicator_focused.png) center 0 no-repeat;
}
.highTempNum,.lowTempNum{
    position: absolute;
    left:0;
    top:-20em;
    width:100%;
    height:20px;
    text-indent: 15px
}
.dayWeatherPic{
    position: absolute;
    left:0;
    bottom:40px;
    width:100%;
    height:30px;
    background:url(img/w2.png) center 0 no-repeat;
    background-size:contain;
}
.dayWeather{
    position: absolute;
    left:0;
    bottom:20px;
    width:100%;
}
.dayDate{
    position: absolute;
    left:0;
    bottom:0;
    width:100%;
}
#myCanvas{
    position:absolute;
    top:105px;
    left:0;
}

Canvas制作天气预报走势图的更多相关文章

  1. Html5 canvas 绘制彩票走势图

    因须要 要实现一个类似彩票走势图的功能,初次学Html5 ,非常多地方不明白,前段时间也发帖请教过这个问题.也是没给个明白说话,在网上搜了非常多,也没有实现的样例,今天细致研究了下.发现事实上也不是非 ...

  2. canvas制作柱形图/折线图/饼状图,Konva写动态饼状图

    制作饼状图 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF ...

  3. WebService学习--股票走势图+天气预报实现

        互联网上面有很多的免费webService服务,我们可以调用这些免费的WebService服务,将一些其他网站的内容信息集成到我们的Web应用中显示,下面就以获取股票数据和天气预报为例进行学习 ...

  4. 用Canvas制作简单的画图工具

    今天用Canvas制作了一个画图工具,非常简单,功能也不是很多,主要有背景网格,画线,画圆,画矩形和画圆角矩形,也用到了canvas的一些基本知识,在这里一一列举. 1.线段的绘制: 如何绘制真正的1 ...

  5. Vue+WebSocket+ES6+Canvas 制作「你画我猜」小游戏

    Vue+WebSocket+ES6+Canvas 制作「你画我猜」小游戏 转载 来源:jrainlau 链接:https://segmentfault.com/a/1190000005804860 项 ...

  6. HTML5 canvas制作童年的回忆大风车

    今天看到一篇CSS3写的大风车http://www.cnblogs.com/yaojaa/archive/2013/01/30/2882521.html,感觉CSS3太神奇了,这在以前用CSS是想都不 ...

  7. 使用canvas制作的移动端color picker

    使用canvas制作的移动端color picker 项目演示地址(用手机或者手机模式打开) 我在另一个中demo,需要用到color picker,但是找不到我需要的移动端color picker, ...

  8. 【转】使用Python matplotlib绘制股票走势图

    转载出处 一.前言 matplotlib[1]是著名的python绘图库,它提供了一整套绘图API,十分适合交互式绘图.本人在工作过程中涉及到股票数据的处理如绘制K线等,因此将matplotlib的使 ...

  9. 酷!使用 jQuery & Canvas 制作相机快门效果

    在今天的教程中,我们将使用 HTML5 的 Canvas 元素来创建一个简单的摄影作品集,它显示了一组精选照片与相机快门的效果.此功能会以一个简单的 jQuery 插件形式使用,你可以很容易地整合到任 ...

随机推荐

  1. Node.js包管理器Yarn的入门介绍与安装

    FAST, RELIABLE, AND SECURE DEPENDENCY MANAGEMENT. 就在昨天, Facebook 发布了新的 node.js 包管理器 Yarn 用以替代 npm .咱 ...

  2. [LeetCode] Verify Preorder Sequence in Binary Search Tree 验证二叉搜索树的先序序列

    Given an array of numbers, verify whether it is the correct preorder traversal sequence of a binary ...

  3. JQuery点滴记录-持续更新

    1. 获取各个控件的值 1)获取textArea等控件的值 2)获取span的值 3)删除ul下的所以li 2. jquery获取服务器控件dropdownlist的值 ddl_Type2为dropd ...

  4. android studio 使用jar包,arr包和怎么使用githup开源项目中的aar包或module

    我这里的android studio的版本是2.2.3版本 一.现在大家都用android studio了,就有人问怎么使用jar包 其实使用jar包比较简单 直接吧jar放入工程的app目录下的li ...

  5. Maven命令

    1. mvn help:describe 你是否因为记不清某个插件有哪些goal而痛苦过,你是否因为想不起某个goal有哪些参数而苦恼,那就试试这个命令吧,它会告诉你一切的. 参数: 1. -Dplu ...

  6. 【hrbust2293】棋盘村

    题意 哈理工2016级新生程序设计全国邀请赛A题 http://acm.hrbust.edu.cn/index.php?m=ProblemSet&a=showProblem&probl ...

  7. asp.net页面生命周期

    Asp.Net页面生命周期 本文转载自:http://www.cnblogs.com/xhwy/archive/2012/05/20/2510178.html 一.什么是Asp.Net页面生命周期 当 ...

  8. BeautifulSoup :功能使用

    # -*- coding: utf-8 -*- ''' # Author : Solomon Xie # Usage : 测试BeautifulSoup一些用法及容易出bug的地方 # Envirom ...

  9. HTML DOM prompt() 方法

    1. 定义和用法 prompt() 方法用于显示可提示用户进行输入的对话框. 语法 prompt(text,defaultText) 参数 描述 text 可选.要在对话框中显示的纯文本(而不是 HT ...

  10. Python Day11

    RabbitMQ队列 RabbitMQ是一个在AMQP基础上完整的,可复用的企业消息系统.他遵循Mozilla Public License开源协议. MQ全称为Message Queue, 消息队列 ...