X轴的数据要自上向下排列

描述:当前是关于Echarts图表中的 热力图 示例。
 
            option = {
    "visualMap": {
        "max": 20,
        "calculable": true,
        "min": 0
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    "series": [{
        "data": [
            [0, 0, 3],
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            [0, 4, 2],
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            [25, 3, 12],
            [25, 4, 13],
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            [25, 6, 6],
            [25, 7, 17]
        ],
        "name": "数量",
        "type": "heatmap"
    }],
    "xAxis": {
        "data": ["公司", "非公司制企业法人", "企业分支机构", "个人独资企业、合伙企业", "其它企业", "中国共产党", "国家权力机关法人", "国家行政机关法人", "国家司法机关法人", "政协组织", "民主党派", "人民解放军、武警部队", "其它机关", "事业单位法人", "事业单位分支、派出机构", "其它事业单位", "社会团体法人", "社会团体分支、代表机构", "其它社会团体", "民办非企业单位", "基金会", "宗教活动场所", "农村村民委员会", "城市居民委员会", "自定义区", "其它未列明的组织机构"],
        "splitArea": {
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        "type": "category",
        "axisLabel": {
            "show": true,
            "rotate": 50,
            "interval": 0
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    },
    "title": {
        "show": true,
        "text": ""
    },
    "legend": {
        "data": ["请配置 legend --> data"],
        "show": true,
        "type": "scroll",
        "bottom": 0
    },
    "yAxis": {
        "data": ["渌口镇", "南洲镇", "淦田镇", "龙门镇", "龙潭镇", "朱亭镇", "龙船镇", "古岳峰镇"],
        "splitArea": {
            "show": true
        },
        "type": "category"
    },
    "tooltip": {
        "formatter": "{a}<br />[{b}]<br />X-Y-Z:{c}"
    },
    "grid": {
        "show": true,
        "bottom": 200
    },
    "toolbox": {
        "show": true,
        "orient": "horizontal",
        "feature": {
            "saveAsImage": {}
        }
    }
};