echarts统计,简单示例
先看下效果图
看下代码
HTML页面 为ECharts准备一个Dom,宽高自定义
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< div class = "panel panel-info" > < div class = "panel-body" > < div id = "echart_show" style = "height:500px" ></ div > </ div > </ div > |
js文件可以参考官网,或者在这里下载,引入
<script type=”text/javascript” src=”__ROOT__/Public/admin/lib/jquery/nowdatachars/echarts-all.js”></script>
下面是具体方法
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<script type= "text/javascript" > var date = [],num = []; $(document).ready( function () { // 绘制反馈量图形 var init_echarts = function () { var refreshChart = function (show_data) { my_demo_chart = echarts.init(document.getElementById( 'echart_show' )); my_demo_chart.showLoading({ text: '加载中...' , effect: 'whirling' }); var echarts_all_option = { title: { text: '' , subtext: '用户走势' }, tooltip: { trigger: 'axis' }, legend: { data: [ '用户数' , '用户消耗' ] }, toolbox: { show: true , feature: { mark: {show: true }, dataView: {show: true , readOnly: false }, magicType: {show: true , type: [ 'line' , 'bar' ]}, restore: {show: true }, saveAsImage: {show: true } // myTool2: { // show: true, // title: '自定义扩展方法', // icon: 'image://http://echarts.baidu.com/images/favicon.png', // onclick: function (){ // alert('自定义') // } // } } }, dataZoom: { show: false , start: 0, end: 100 }, xAxis: [ { type: 'category' , boundaryGap: true , data: show_data[1] }, { type: 'category' , boundaryGap: true , data: show_data[1] } ], yAxis: [ { type: 'value' , scale: true , name: '用户数' , boundaryGap: [0, 0.5] // boundaryGap: [0.2, 0.2] }, { type: 'value' , scale: true , name: '用户数' , boundaryGap: [0, 0.5] } ], series: [ { name: '用户消耗' , type: 'bar' , xAxisIndex: 1, data: show_data[0] }, { name: '用户数' , type: 'line' , xAxisIndex: 1, data:show_data[0] } ] }; my_demo_chart.hideLoading(); my_demo_chart.setOption(echarts_all_option); }; // 获取原始数据 $.ajax({ url: "__CONTROLLER__/getRes" , async: false , dataType: 'json' , type: 'post' , success: function (msg){ var result = msg.result; if (msg.code == 200){ for ( var i = 0 ; i < result.length; i++){ date.push(result[i].date); num.push(result[i].count); msg[0] = num; msg[1] = date; refreshChart(msg); } } } }); }; // 默认加载 var default_load = ( function () { init_echarts(); })(); }); </script> |
控制器中查询自己需要的数据 (这里查询的日期和对应的数量)
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//折线统计 public function getRes(){ $user = M( 'account' ); $sql = "SELECT date(createTime) AS date,count(*) as count FROM t_account GROUP BY date " ; $result = $user->query($sql); $ this ->ajaxReturn(array( 'code' =>200, 'result' =>$result)); } |
至此,一个简单的echarts的统计图就出来了
原文链接:http://www.cnblogs.com/csd97/p/8079055.html
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