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echarts+php+mysq+ Ajax for chart drawing

Source: Internet
Author: User
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1, download Echarts plug-in,: http://echarts.baidu.com/

2, the specific introductory case is not verbose, refer to the official tutorial: http://echarts.baidu.com/tutorial.html

3, the foreground introduces Echarts and Jquery,ajax request the corresponding JSON data

<!DOCTYPE HTML><HTML><Head>    <MetaCharSet= "Utf-8">    <title>Echarts</title>    <!--introduction of Echarts.js -      <Scriptsrc= "__root__/public/jquery-1.10.2.min.js"></Script>    <Scriptsrc= "__root__/public/echarts.common.min.js"></Script></Head><Body>    <!--prepare a DOM with size (wide height) for echarts -    <DivID= "Main"style= "width:1200px;height:400px;"></Div>    <Scripttype= "Text/javascript">        //Initializes a Echarts instance based on the prepared Dom        varMyChart=Echarts.init (document.getElementById ('Main')); //Specify the configuration items and data for the chart        varDate=[],num= []; functionGetNumber () {$.ajax ({URL:"__controller__/getregister", Async:false, DataType:'JSON', type:'Post', Success:function(msg) {varresult=Msg.result; if(Msg.code==  $){                         for(varI= 0; I<result.length; I++) {Date.push (result[i].date);                        Num.push (Result[i].count);        }                    }                }            });        };    GetNumber (); Option={title: {text:'Recent registration Trend'}, tooltip: {trigger:'Axis'}, Legend: {data:['Number of registrations']}, grid: {left:'3%', right:'4%', bottom:'3%', Containlabel:true}, Toolbox: {feature: {saveasimage: {}}}, Xaxis: {type:'category', Boundarygap:false, Data:date}, YAxis: {type:'value'}, Series: [{name:'Number of registrations', type:' Line', Stack:'Total', Data:num},]}; //displays the chart using the configuration item and data you just specified. mychart.setoption (option); </Script></Body></HTML>

4. Backend interface returns JSON data

 Public functionGetregister () {$user= D (' User '); $beginLastweek=Strtotime(' -30 days '); //time stamp two weeks ago        $begin=Strtotime(Date(' y-m-d ',$beginLastweek)); $result=$user->field ("Register_time")->where ("Register_time > '%s '",$begin),Select (); $sql= "Select From_unixtime (register_time, '%y-%m-%d ') as Date,count (*) as Count from App_user WHERE register_time >$beginLastweekGROUP by Register_time div 86400; "; $result=$user->query ($sql); $this->ajaxreturn (Array(' Code ' =>200, ' result ' =$result)); }

Display effect:

　　　　

echarts+php+mysq+ Ajax for chart drawing

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