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jQuery實現(xiàn)折線圖的方法

 更新時間:2015年02月28日 15:47:53   作者:開心就是最好  
這篇文章主要介紹了jQuery實現(xiàn)折線圖的方法,涉及jQuery及相關(guān)插件的使用技巧,非常具有實用價值,需要的朋友可以參考下

本文實例講述了jQuery實現(xiàn)折線圖的方法。分享給大家供大家參考。具體如下:

效果圖如下所示:

js引用:

復(fù)制代碼 代碼如下:
<script src="Js/Index/jquery-1.5.2.min.js" type="text/javascript"></script> 
<script src="js/Index/raphael.2.1.0.min.js" type="text/javascript"></script> 
<script src="js/Index/justgage.1.0.1.js" type="text/javascript"></script>
<script src="Js/Index/highcharts.js" type="text/javascript"></script>   
<script src="Js/Index/exporting.js" type="text/javascript"></script>

定時刷新:

復(fù)制代碼 代碼如下:
//曲線圖 
ar chart; 
 $(document).ready(function() { 
     chart = new Highcharts.Chart({ 
         chart: { 
             renderTo: 'divChart',          //放置圖表的容器 
             plotBackgroundColor: null, 
             plotBorderWidth: null, 
             defaultSeriesType: 'line' 
         }, 
         title: { 
             text: '24小時負(fù)荷曲線' 
         }, 
         subtitle: { 
             text: '' 
         }, 
         xAxis: {//X軸數(shù)據(jù) 
             categories: ['00','01', '02','03', '04','05', '06','07', '08','09', '10','11', '12','13', '14','15', '16','17', '18','19', '20','21', '22','23'], 
 
             labels: { 
                 rotation: -45, //字體傾斜 
                 align: 'right', 
                 style: { font: 'normal 12px 宋體' } 
             } 
         }, 
         yAxis: {//Y軸顯示文字 
             title: { 
                 text: 'MW' 
             } 
         }, 
         tooltip: { 
             enabled: true, 
             formatter: function() { 
                 return '<b>' + this.x + '</b><br/>' + this.series.name + ': ' + Highcharts.numberFormat(this.y, 1); 
             } 
         }, 
         plotOptions: { 
             line: { 
                 dataLabels: { 
                     enabled: true 
                 }, 
                 enableMouseTracking: true//是否顯示title 
             } 
         }, 
         series: [{ 
             name: '1號機組', 
             data: [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] 
         },{ 
             name: '2號機組', 
             data: [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] 
         }] 
         }); 
         function getForm(){  
             $.ajax({ 
                 type: "POST",     //要用post方式      
                 url: "WebServiceFH.asmx/GetLoadEveryHourByOne",        
                 contentType: "application/json", 
                 data: {}, 
                 dataType: "json", 
                 success: function (data) {   
                     var data = [data["Load0"],data["Load1"],data["Load2"],data["Load3"],data["Load4"],data["Load5"],data["Load6"],data["Load7"],data["Load8"],data["Load9"],data["Load10"],data["Load11"],data["Load12"],data["Load13"],data["Load14"],data["Load15"],data["Load16"],data["Load17"],data["Load18"],data["Load19"],data["Load20"],data["Load21"],data["Load22"],data["Load23"]];  
                     chart.series[0].setData(data);  
                 }, 
                 error: function (err) {  
                     alert("讀取數(shù)據(jù)出錯!"); 
                 } 
             });   
             $.ajax({ 
                 type: "POST",     //要用post方式      
                 url: "WebServiceFH.asmx/GetLoadEveryHourByTwo",        
                 contentType: "application/json",  
                 dataType: "json", 
                 success: function (data) {   
                     var data = [data["Load0"],data["Load1"],data["Load2"],data["Load3"],data["Load4"],data["Load5"],data["Load6"],data["Load7"],data["Load8"],data["Load9"],data["Load10"],data["Load11"],data["Load12"],data["Load13"],data["Load14"],data["Load15"],data["Load16"],data["Load17"],data["Load18"],data["Load19"],data["Load20"],data["Load21"],data["Load22"],data["Load23"]];  
                     chart.series[1].setData(data);    
                 }, 
                 error: function (err) {  
                     alert("讀取數(shù)據(jù)出錯!"); 
                 } 
             });  
         } 
         $(document).ready(function() {   
             //每隔3秒自動調(diào)用方法,實現(xiàn)圖表的實時更新  
             getForm(); 
             window.setInterval(getForm,600000);    
         }); 
});

此處注意:

復(fù)制代碼 代碼如下:
var data = [data["Load0"],data["Load1"],data["Load2"],data["Load3"],data["Load4"],data["Load5"],data["Load6"],data["Load7"],data["Load8"],data["Load9"],data["Load10"],data["Load11"],data["Load12"],data["Load13"],data["Load14"],data["Load15"],data["Load16"],data["Load17"],data["Load18"],data["Load19"],data["Load20"],data["Load21"],data["Load22"],data["Load23"]];
chart.series[0].setData(data);

body中只需要:

復(fù)制代碼 代碼如下:
<div id="divChart"> </div>

希望本文所述對大家的jQuery程序設(shè)計有所幫助。

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