[Google Charts] 여러 개체에 대한 꺾은선 그래프

여러 개체의 날짜별 체중 그래프 구현

꺾은선 그래프, 각 컬럼명이 개체명인 곳에 무게값 입력, 날짜 우선입력

매우 무식하게 풀었지만 나중에 참고용으로 저장

<%
        Map  mapReq      = (Map) request.getAttribute( "mapReq" );
        List lstRs       = (List) request.getAttribute( "lstRs" );
        
%>
 
 
 
 <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
  <div id="chart_div" style="height:100%"></div>
  
   
    <script type="text/javascript">
      google.charts.load('current', {'packages':['corechart']});
      google.charts.setOnLoadCallback(drawChart);
 
    function drawChart() {
        
 
        var data = new google.visualization.DataTable();
        var arr = new Array();
        
        data.addColumn('string','일자');
        
        <%
        
        if(lstRs != null && !lstRs.isEmpty()) 
        {
            
            boolean setDate = false;
            boolean setNm = false;
            for(int i = 0; i < lstRs.size(); i++) 
            {
                List rsList = (List) lstRs.get(i);
                Map rsMap = (Map) rsList.get(0);
                
                if(setNm == false) {
                    for(int loop = 0; loop < lstRs.size(); loop++) {
                        List nmList = (List) lstRs.get(loop);
                        Map nmMap = (Map) nmList.get(0);%>
                data.addColumn('number','<%=CommonUtil.nvlMap(nmMap,"simple_nm")%>');
            <%
                    }
                    setNm = true;
                } 
                
                if(setDate == false) {
                    for(int k = 0; k < rsList.size(); k++) {
                        Map mapRs = (Map) rsList.get(k);
            %>
                        arr[<%=k%>] = new Array();
                        arr[<%=k%>][0] = '<%=CommonUtil.nvlMap(mapRs,"inspect_dt")%>';
            <%        }
                    setDate = true;
                    i--;
                } else {
                    for(int k = 0; k < rsList.size(); k++) {
                        Map mapRs = (Map) rsList.get(k);
            %>
                        arr[<%=k%>][<%=i+1%>] = <%=CommonUtil.nvlMap(mapRs,"weight")%>;
            <%        }
                }
            }
        }
        
        %>
        
        data.addRows([
           <%
           List rsList = (List) lstRs.get(0);
           for(int i = 0; i < rsList.size(); i++ ) {%>
            arr[<%=i%>]
           <%
               if(i != rsList.size()-1) out.print(",");
           }%>
        ]);
        
        var options = {
          curveType: 'function',
          legend: { position: 'bottom' }
        };
 
        data.addColumn({type: 'string', role: 'annotation'}); 
        
        var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
 
        chart.draw(data, options);
      }
    </script>