echart3.0正负图取数据java代码

//获取数据并处理public String getBarData(){        String beginDate = StringUtils.trimToEmpty(request.getParameter("beginDate"));        String endDate = StringUtils.trimToEmpty(request.getParameter("endDate"));        List<Wh13ChannelInfo> channelList = indexService.getChannelList();        int[] positiveModuleAry = null;// 正面        int[] plusModuleAry = null;    // 负面        String positiveModuleStr = "";        String plusModuleStr = "";        if(channelList != null){            for(Wh13ChannelInfo channel: channelList){                if(channel.getModuleId() == null){                    positiveModuleStr = channel.getChildModules();                }else{                    plusModuleStr += channel.getChildModules() + ",";                }            }        }        positiveModuleAry = stringAryToIntAry(positiveModuleStr.split(","));        plusModuleAry = stringAryToIntAry(plusModuleStr.substring(0, plusModuleStr.lastIndexOf(",")).split(","));        Map<String, int[]> yqModuleMap = new LinkedHashMap<String, int[]>();        yqModuleMap.put("正面", positiveModuleAry);        yqModuleMap.put("负面", plusModuleAry);        Map<String, Object> resultMap = new HashMap<String, Object>();// 结果数据        String[] legend = null;// 图例数据        String[] xAxis = null;// x轴数据        int[][] yAxis = null;// y轴数据        int max = 0;// 最大值        int min = 0;// 最小值        if(yqModuleMap != null){            int moduleSize = yqModuleMap.size();            legend = new String[moduleSize];            yAxis = new int[moduleSize][];// 初始化二维数组之创建第一维            int i = 0;            for(Map.Entry<String, int[]> moduleEntry : yqModuleMap.entrySet()){                String moduleKey = moduleEntry.getKey();                int[] moduleValue = moduleEntry.getValue();                legend[i++] = moduleKey;                Map<String, Object> filter = new HashMap<String, Object>();                filter.put(CommonPublic.PRODUCTATTR, CommonPublic.PRODUCTID);                filter.put(CommonPublic.AREAATTR, CommonPublic.WUHAN_AREAS_ARY);                filter.put(CommonPublic.MODULEATTR, moduleValue);                NewsStat newsStat = new NewsStat();                Map<String, Integer> statMap = newsStat.getNewsStatByTime(null, SphinxCommon.GROUPTYPE_DAY, filter, beginDate, endDate, "yyyy-MM-dd");                //System.out.println(moduleKey+":"+statMap);                if(statMap != null){                    int statSize = statMap.size();                    xAxis = new String[statSize];                    //yAxis = new int[moduleSize][statSize];// 注意：不能在这里这样初始化二维数组                    yAxis[i-1] = new int[statSize];// 初始化二维数组之创建第二维                    int j = statSize;                    for(Map.Entry<String, Integer> statEntry : statMap.entrySet()){                        String statKey = statEntry.getKey();                        Integer statValue = statEntry.getValue();                        if("负面".equals(moduleKey)){                            statValue = - statValue;                        }                        xAxis[--j] = DateUtil.format(DateUtil.parse(statKey, "yyyyMMdd"), "yyyy.MM.dd");                        yAxis[i-1][j] = statValue;                        //System.out.println(yAxis[i-1][j]);                        if(statValue > max){                            max = statValue;                        }                        if(statValue < min){                            min = statValue;                        }                    }                }            }        }        resultMap.put("legend", legend);        resultMap.put("xAxis", xAxis);        resultMap.put("yAxis", yAxis);        resultMap.put("max", max);        resultMap.put("min", min);        return JsonMapper.toJson(resultMap);    }    /**     * string数组转int数组     * @param strAry     * @return     */    private int[] stringAryToIntAry(String[] strAry){        int[] intAry = null;        if(strAry != null){            intAry = new int[strAry.length];            int i = 0;            for(; i < strAry.length; i++){                intAry[i] = Integer.parseInt(strAry[i]);            }        }        return intAry;    }

前端的echarts3.0代码

<script type="text/javascript">// 获取正负面柱状图function getBarZFChart(id, data){    var legend = [];// 图例    var xAxis = [];// x轴    var yAxis = [];// y轴    var series = [];    var itemStyle = {        normal: {        },        emphasis: {            barBorderWidth: 1,            shadowBlur: 10,            shadowOffsetX: 0,            shadowOffsetY: 0,            shadowColor: 'rgba(0,0,0,0.5)'        }    };    if(data){        legend = data["legend"];        xAxis = data["xAxis"];        yAxis = data["yAxis"];        for(var i=0,len=yAxis.length; i<len; i++){            var seriesItem = {                name: legend[i],                type: 'bar',                stack: 'one',                //itemStyle: itemStyle,                data: yAxis[i]            };            series.push(seriesItem);        }    }    option = {        //backgroundColor: '#eee',        legend: {            data: legend,            align: 'left',            left: 10        },        brush: {            toolbox: ['rect', 'polygon', 'lineX', 'lineY', 'keep', 'clear'],            xAxisIndex: 0        },        toolbox: {            feature: {                magicType: {                    type: ['stack', 'tiled']                },                dataView: {}            }        },        //tooltip: {},        tooltip : {            trigger: 'axis',            axisPointer : {            // 坐标轴指示器，坐标轴触发有效                type : 'shadow'        // 默认为直线，可选为：'line' | 'shadow'            }        },        xAxis: {            data: xAxis,            name: '时间轴',            silent: false,            axisLine: {onZero: true},            splitLine: {show: false},            splitArea: {show: false}        },        yAxis: {            inverse: false,// y轴反转            splitArea: {show: false}        },        grid: {            left: 100        },        visualMap: {            type: 'continuous',            dimension: 1,            text: ['高', '低'],            inverse: false,            itemHeight: 200,            calculable: true,            min: data.min,            max: data.max,            top: 60,            left: 10,            inRange: {                colorLightness: [0.4, 0.8]            },            outOfRange: {                color: '#bbb'            },            controller: {                inRange: {                    color: '#2f4554'                }            }        },        series: series    };    function renderBrushed(params) {        var brushed = [];        var brushComponent = params.batch[0];        for (var sIdx = 0; sIdx < brushComponent.selected.length; sIdx++) {            var rawIndices = brushComponent.selected[sIdx].dataIndex;            //brushed.push('[Series ' + sIdx + '] ' + rawIndices.join(', '));            brushed.push('[' + legend[sIdx] + '] ' + rawIndices.join(', '));        }        myChart.setOption({            title: {                backgroundColor: '#333',                //text: 'SELECTED DATA INDICES: \n' + brushed.join('\n'),                text: '选定的数据指标: \n' + brushed.join('\n'),                bottom: 0,                right: 0,                width: 100,                textStyle: {                    fontSize: 12,                    color: '#fff'                }            }        });    }    var myChart = echarts.init(document.getElementById(id));    myChart.setOption(option);    myChart.on('brushSelected', renderBrushed);}</script>