zoukankan      html  css  js  c++  java
  • echart在jsp中使用另外的方法

     var chartOutChar = null;
     
     var option1 = {
         tooltip: {
             trigger: 'axis'
         },
         toolbox: {
             feature: {
                 dataView: {show: true, readOnly: false},
                 magicType: {show: true, type: ['line', 'bar']},
                 restore: {show: true},
                 saveAsImage: {show: true}
             }
         },
         legend: {
             data:['蒸发量','降水量','平均温度']
         },
         xAxis: [
             {
                 type: 'category',
                 data: ['1月','2月','3月','4月','5月','6月','7月','8月','9月','10月','11月','12月']
             }
         ],
         yAxis: [
             {
                 type: 'value',
                 name: '水量',
                 min: 0,
                 max: 250,
                 interval: 50,
                 axisLabel: {
                     formatter: '{value} ml'
                 }
             },
             {
                 type: 'value',
                 name: '温度',
                 min: 0,
                 max: 25,
                 interval: 5,
                 axisLabel: {
                     formatter: '{value} °C'
                 }
             }
         ],
         series: [
             {
                 name:'蒸发量',
                 type:'bar',
                 data:[]
             },
             {
                 name:'降水量',
                 type:'bar',
                 data:[]
             },
             {
                 name:'平均温度',
                 type:'line',
                 yAxisIndex: 1,
                 data:[]
             }
         ]
     };
     
     function loadChartOut() {
         $.getJSON('/maze/rest/view/rain.html', function (data) {
             //上面这个url是重点,组成为:项目名/过滤前缀/Controller中mapping值,当页面加载此js时,它会向后台取数据,将后台的数据注入到echart中
             if (data.success1) {
                 chartOutChar.showLoading({text: '正在努力的读取数据中...'});
                 chartOutChar.setOption({
                     series: [
                         {
                             name:'蒸发量',
                             data:data.c_eva
                         },
                         {
                             name:'降水量',
                             data:data.c_rain
                         },
                         {
                             name:'平均温度',
                             data:data.c_avgt
                         }
                     ]
                 });
                 chartOutChar.hideLoading();
             }else {
                 alert('提示', data.msg);
             }
         });
     }
     
     //载入图表
     $(function () {
         chartOutChar = echarts.init(document.getElementById('showChart'));
         chartOutChar.setOption(option1);
         loadChartOut();
         window.addEventListener('resize', function () {
             chartOutChar.resize();
             mychart.resize();
         });
     });

    controllr

     @Controller
     @RequestMapping(value = "/view")
     public class EchartsController {
         @Resource
         private EchartService echartService;
     
         @RequestMapping(value = "/rain.html",method = RequestMethod.GET)
         @ResponseBody
         public Object showChart(){
             Map<String, Object> map = new HashMap<String, Object>();
             List<Float> clist1 = new ArrayList<Float>();
             List<Float> clist2 = new ArrayList<Float>();
             List<Float> clist3 = new ArrayList<Float>();
     
             List<EcBar> chartList = echartService.listBar();
     
             for(EcBar cl : chartList){
                 clist1.add(cl.getEvaporation());
                 clist2.add(cl.getRainfall());
                 clist3.add(cl.getAvgtemp());
             }
             map.put("c_eva",clist1);
             map.put("c_rain",clist2);
             map.put("c_avgt",clist3);
             map.put("success1",true);
             return map;
         }
     }

    jsp页面

     <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
     <script type="text/javascript" src="hemi/js/echarts.js"></script>
     <script type="text/javascript" src="hemi/js/showChart.js"></script>
     <script type="text/javascript" src="hemi/js/funnelView.js"></script>
     
     <h3 class="page-title">
         Echarts 展示 <small>可视化图表</small>
     </h3>
     </div>
     
     <div class="row">
         <div class="col-lg-6 col-sm-12 col-xs-12 col-sm-12">
             <div id="showChart" style="100%;height:600px;margin-left:0px;margin-right:6px;margin-bottom:8px;float:left;overflow:hidden;"></div>
         </div>
     
         <div class="col-lg-6 col-sm-12 col-xs-12 col-sm-12">
             <div id="showFunnelChart" style="100%;height:600px;margin-left:0px;margin-right:6px;margin-bottom:8px;float:left;overflow:hidden;"></div>
         </div>
     </div>

    这种是采用js获取后台数据放入页面的所以是比较和谐的,可以使用html,也可以使用其他的

  • 相关阅读:
    Poj2104-K-th Number(主席树)
    Poj3237-Tree(树链剖分)
    Spoj QTREE(树链剖分)
    字符串算法
    网络流算法
    利用DiDiSoft OpenPGP Library for .NET 程序加密解密文件
    利用GPG4Win加密解密文件
    .NET Standard和.NET Framework的区别【转】
    Aras学习笔记 (6) Aras Client Side代码弹出标准ItemType内容窗口
    WebClient使用DownloadFile下载文件超时的解决办法
  • 原文地址:https://www.cnblogs.com/xiufengchen/p/10413416.html
Copyright © 2011-2022 走看看