jsp利用echarts實(shí)現(xiàn)報(bào)表統(tǒng)計(jì)的實(shí)例

%@ tag pageEncoding="UTF-8" isELIgnored="false" body-content="empty"%>
%--自定義div容器id--%>
%@attribute name="container" required="true" %>
%--自定義標(biāo)題--%>
%@attribute name="title" required="true" %>
%--自定義子標(biāo)題--%>
%@attribute name="subtitle" required="false" %>
%--自定義數(shù)據(jù)請(qǐng)求url--%>
%@attribute name="urls" required="true" %>
%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
script src="/echarts-2.1.8/build/dist/jquery.min.js">/script>
script src="/echarts-2.1.8/build/dist/echarts-all.js">/script>
script type="text/javascript">
  // 基于準(zhǔn)備好的dom，初始化echarts圖表
  var myChart = echarts.init(document.getElementById('${container}'));
  var option={
    title : {
      text: '${title}',
      subtext: '${subtitle}'
    },
    tooltip : {
      trigger: 'axis'
    },
    legend: {
      data:[]
    },
    toolbox: {
      show : true,
      feature : {
        mark : {show: true},
        dataView : {show: true, readOnly: false},
        magicType : {show: true, type: ['line', 'bar']},
        restore : {show: true},
        saveAsImage : {show: true}
      }
    },
    calculable : true,
    xAxis : [
      {
        type : 'category',
        boundaryGap : false,
        data : []
      }
    ],
    yAxis : [
      {
        type : 'value',
        axisLabel : {
          formatter: '{value} '
        }
      }
    ],
    series : []
  };
  //采用ajax異步請(qǐng)求數(shù)據(jù)
  $.ajax({
    type:'post',
    url:'${urls}',
      dataType:'json',
      success:function(result){
        if(result){
          //將返回的category和series對(duì)象賦值給options對(duì)象內(nèi)的category和series
          option.xAxis[0].data = result.axis;
          option.legend.data = result.legend;
          var series_arr=result.series;
          for(var i=0;iseries_arr.length;i++){
            option.series[i] = result.series[i];
          }
          myChart.hideLoading();
          myChart.setOption(option);
        }
       },
      error:function(errMsg){
        console.error("加載數(shù)據(jù)失敗")
      }
  });
  // 為echarts對(duì)象加載數(shù)據(jù)
  // myChart.setOption(option);
/script>

%--
 Created by IntelliJ IDEA.
 User: Administrator
 Date: 2014/11/24
 Time: 12:02
 To change this template use File | Settings | File Templates.
--%>
%@ page contentType="text/html;charset=UTF-8" language="java" %>
%@taglib prefix="c" tagdir="/WEB-INF/tags" %>
html>
head>
  title>/title>
/head>
body>
 div id="main" style="height: 400px">/div>
 c:linecharts container="main" title="測(cè)試標(biāo)簽" subtitle="測(cè)試子標(biāo)簽" urls="/tags">/c:linecharts>
/body>
/html>

package bean.newseries;
import java.util.ArrayList;
import java.util.List;
/**
 * Created by on 2014/11/25.
 */
public class Echarts {
  public ListString> legend = new ArrayListString>();//數(shù)據(jù)分組
  public ListString> axis = new ArrayListString>();//橫坐標(biāo)
  public ListSeries> series = new ArrayListSeries>();//縱坐標(biāo)
  public Echarts(ListString> legendList, ListString> categoryList, ListSeries> seriesList) {
    super();
    this.legend = legendList;
    this.axis = categoryList;
    this.series = seriesList;
  }
}

package bean.newseries;
import java.util.List;
/**
 * Created by on 2014/11/25.
 */
public class Series {
  public String name;
  public String type;
  public ListInteger> data;
  public Series(String name, String type, ListInteger> data) {
    this.name = name;
    this.type = type;
    this.data = data;
  }
}

package tagservlet;
import bean.newseries.Echarts;
import bean.newseries.Series;
import com.fasterxml.jackson.databind.ObjectMapper;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
 * Created by on 2014/11/24.
 */
public class NewTagServlet extends HttpServlet {
  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    ListString> legend=new ArrayListString>(Arrays.asList(new String[]{"最高值","最低值"}));
    ListString> axis=new ArrayListString>(Arrays.asList(new String[]{"周一","周二","周三","周四","周五","周六","周日"}));
    ListSeries> series=new ArrayListSeries>();
    series.add(new Series("最高值","line",new ArrayListInteger>(Arrays.asList(21,23,28,26,21,33,44))));
    series.add(new Series("最低值","line",new ArrayListInteger>(Arrays.asList(-2,-12,10,0,20,11,-6))));
    Echarts echarts=new Echarts(legend,axis,series);
    ObjectMapper objectMapper=new ObjectMapper();
    System.out.println(objectMapper.writeValueAsString(echarts));
    response.setContentType("text/html;charset=utf-8");
    PrintWriter out=response.getWriter();
    out.println(objectMapper.writeValueAsString(echarts));
    out.flush();
    out.close();
  }
  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    this.doPost(request,response);
  }
}