• Highcharts中初始化最大值与最小值的柱状图


    <!doctype html> <html lang="en"> <head> <script type="text/javascript" src="http://cdn.hcharts.cn/jquery/jquery-1.8.3.min.js"></script> <script type="text/javascript" src="http://cdn.hcharts.cn/highcharts/highcharts.js"></script> <script type="text/javascript" src="http://cdn.hcharts.cn/highcharts/exporting.js"></script> <script>
     //上面的Javascript代码 
    </script> </head> <body> <div id="container" style="min-700px;height:400px"></div> </body> </html>
    var resultObj = "{name:'当月总量数',data:[101.6,100.0,102.7,102.1,105.1]}@{name:'累计总量数',data:[102.4,100.9,101.5,101.6,102.3]}";
            var resultText = resultObj.toString();
            var resultStr = resultText.split("@");
            var min = null,max = null,mark = true,data = null;
            for(var i=0;i<resultStr.length;i++){
                var jSVO =  eval("("+resultStr[i] +")");
                resultStr[i] = jSVO;
                data = resultStr[i].data;
                for(var j = 0, len = data.length;j < len;j ++){
                    if(data[j] == null){
                        continue;
                    }
                    
                    if(mark){
                        mark = false;
                        min = data[j],max = data[j];
                    }
                    if(min > data[j]){
                        min = data[j];
                    }
                    if(max < data[j]){
                        max = data[j];
                    }
                }
            }
    
            console.log(min + "======" + max);
            //X轴
            var xAxisObj = "2013年09月@12月@2014年03月@06月@09月"
            var xAxisText = xAxisObj.toString();
            var xAxisStr = xAxisText.split("@");
            $(function () {
                
                //画图
                $('#container').highcharts({
                    chart: {
                        type: 'column'
                    },
                    title: {
                        text: ""
                    },
                    colors:['#8300b6','#73abe4'],    
                    subtitle: {
                        text: ""
                    },
                    xAxis: {
                        tickmarkPlacement:'on',
                        labels:{
                            rotation:-15, //X轴坐标旋转
                            style:{
                                fontSize:'18px' //X轴坐标字体大小
                            }
                        },
                        categories: xAxisStr
                    },
                    yAxis: {
                        min: min,
                        max: max,
                        title: {
                            text: ""
                        },
                        labels : { 
                            enabled: true,
                            style:{
                              fontSize:'14px'
                            }
                        }
                    },
                    credits:{
                        enabled: false//右下角的文本  
                    },
                    exporting:{ 
                        enabled:false //用来设置是否显示‘打印’,'导出'等功能按钮,不设置时默认为显示 
                       },
                    tooltip: {
                        enabled: true, //是否显示提示信息
                        headerFormat: '<span style="font-size:16px">{point.key}</span><table>',
                        pointFormat: '<tr><td style="color:{series.color};padding:0">{series.name}: </td>' +
                        '<td style="padding:0"><b>{point.y:.1f}</b></td></tr>',
                        footerFormat: '</table>',
                        shared: true,
                        useHTML: true,
                        style:{
                            fontSize:'14px'
                        }
                    },
                    plotOptions: {
                        column: {
                            dataLabels: {
                                enabled: true,//图形上是否显示数据
                                format:'{y:.1f}',
                                pointWidth: 10,
                                pointPadding : 0.1,
                                style:{
                                    fontSize:'10px'//图形上数据的字体大小
                                }
                           },
                             enableMouseTracking: true//鼠标移动时有信息提示
                        }
                    }, 
                    series: resultStr
                });
        });
        
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  • 原文地址:https://www.cnblogs.com/xiaoxian1369/p/4158287.html
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