如何去除Echart.js的k线图中灰色的背景

Question

尝试过在grid中设置backgroundColor为"white" 但没有效果

var upColor = '#ec0000';
var upBorderColor = '#8A0000';
var downColor = '#00da3c';
var downBorderColor = '#008F28';

var data0 = splitData([
  ["2013/1/24", 2320.26, 2320.26, 2287.3, 2362.94],
  ["2013/1/25", 2300, 2291.3, 2288.26, 2308.38],
  ["2013/1/28", 2295.35, 2346.5, 2295.35, 2346.92],
  ["2013/1/29", 2347.22, 2358.98, 2337.35, 2363.8],
  ["2013/1/30", 2360.75, 2382.48, 2347.89, 2383.76],
  ["2013/1/31", 2383.43, 2385.42, 2371.23, 2391.82],
  ["2013/2/1", 2377.41, 2419.02, 2369.57, 2421.15],
  ["2013/2/4", 2425.92, 2428.15, 2417.58, 2440.38],
  ["2013/2/5", 2411, 2433.13, 2403.3, 2437.42],
  ["2013/2/6", 2432.68, 2434.48, 2427.7, 2441.73],
  ["2013/2/7", 2430.69, 2418.53, 2394.22, 2433.89],
  ["2013/2/8", 2416.62, 2432.4, 2414.4, 2443.03],
  ["2013/2/18", 2441.91, 2421.56, 2415.43, 2444.8],
  ["2013/2/19", 2420.26, 2382.91, 2373.53, 2427.07],
  ["2013/2/20", 2383.49, 2397.18, 2370.61, 2397.94],
  ["2013/2/21", 2378.82, 2325.95, 2309.17, 2378.82],
  ["2013/2/22", 2322.94, 2314.16, 2308.76, 2330.88],
  ["2013/2/25", 2320.62, 2325.82, 2315.01, 2338.78],
  ["2013/2/26", 2313.74, 2293.34, 2289.89, 2340.71],
  ["2013/2/27", 2297.77, 2313.22, 2292.03, 2324.63],
  ["2013/2/28", 2322.32, 2365.59, 2308.92, 2366.16],
  ["2013/3/1", 2364.54, 2359.51, 2330.86, 2369.65],
  ["2013/3/4", 2332.08, 2273.4, 2259.25, 2333.54],
  ["2013/3/5", 2274.81, 2326.31, 2270.1, 2328.14],
  ["2013/3/6", 2333.61, 2347.18, 2321.6, 2351.44],
  ["2013/3/7", 2340.44, 2324.29, 2304.27, 2352.02],
  ["2013/3/8", 2326.42, 2318.61, 2314.59, 2333.67],
  ["2013/3/11", 2314.68, 2310.59, 2296.58, 2320.96],
  ["2013/3/12", 2309.16, 2286.6, 2264.83, 2333.29],
  ["2013/3/13", 2282.17, 2263.97, 2253.25, 2286.33],
  ["2013/3/14", 2255.77, 2270.28, 2253.31, 2276.22],
  ["2013/3/15", 2269.31, 2278.4, 2250, 2312.08],
  ["2013/3/18", 2267.29, 2240.02, 2239.21, 2276.05],
  ["2013/3/19", 2244.26, 2257.43, 2232.02, 2261.31],
  ["2013/3/20", 2257.74, 2317.37, 2257.42, 2317.86],
  ["2013/3/21", 2318.21, 2324.24, 2311.6, 2330.81],
  ["2013/3/22", 2321.4, 2328.28, 2314.97, 2332],
  ["2013/3/25", 2334.74, 2326.72, 2319.91, 2344.89],
  ["2013/3/26", 2318.58, 2297.67, 2281.12, 2319.99],
  ["2013/3/27", 2299.38, 2301.26, 2289, 2323.48],
  ["2013/3/28", 2273.55, 2236.3, 2232.91, 2273.55],
  ["2013/3/29", 2238.49, 2236.62, 2228.81, 2246.87],
  ["2013/4/1", 2229.46, 2234.4, 2227.31, 2243.95],
  ["2013/4/2", 2234.9, 2227.74, 2220.44, 2253.42],
  ["2013/4/3", 2232.69, 2225.29, 2217.25, 2241.34],
  ["2013/4/8", 2196.24, 2211.59, 2180.67, 2212.59],
  ["2013/4/9", 2215.47, 2225.77, 2215.47, 2234.73],
  ["2013/4/10", 2224.93, 2226.13, 2212.56, 2233.04],
  ["2013/4/11", 2236.98, 2219.55, 2217.26, 2242.48],
  ["2013/4/12", 2218.09, 2206.78, 2204.44, 2226.26],
  ["2013/4/15", 2199.91, 2181.94, 2177.39, 2204.99],
  ["2013/4/16", 2169.63, 2194.85, 2165.78, 2196.43],
  ["2013/4/17", 2195.03, 2193.8, 2178.47, 2197.51],
  ["2013/4/18", 2181.82, 2197.6, 2175.44, 2206.03],
  ["2013/4/19", 2201.12, 2244.64, 2200.58, 2250.11],
  ["2013/4/22", 2236.4, 2242.17, 2232.26, 2245.12],
  ["2013/4/23", 2242.62, 2184.54, 2182.81, 2242.62],
  ["2013/4/24", 2187.35, 2218.32, 2184.11, 2226.12],
  ["2013/4/25", 2213.19, 2199.31, 2191.85, 2224.63],
  ["2013/4/26", 2203.89, 2177.91, 2173.86, 2210.58],
  ["2013/5/2", 2170.78, 2174.12, 2161.14, 2179.65],
  ["2013/5/3", 2179.05, 2205.5, 2179.05, 2222.81],
  ["2013/5/6", 2212.5, 2231.17, 2212.5, 2236.07],
  ["2013/5/7", 2227.86, 2235.57, 2219.44, 2240.26],
  ["2013/5/8", 2242.39, 2246.3, 2235.42, 2255.21],
  ["2013/5/9", 2246.96, 2232.97, 2221.38, 2247.86],
  ["2013/5/10", 2228.82, 2246.83, 2225.81, 2247.67],
  ["2013/5/13", 2247.68, 2241.92, 2231.36, 2250.85],
  ["2013/5/14", 2238.9, 2217.01, 2205.87, 2239.93],
  ["2013/5/15", 2217.09, 2224.8, 2213.58, 2225.19],
  ["2013/5/16", 2221.34, 2251.81, 2210.77, 2252.87],
  ["2013/5/17", 2249.81, 2282.87, 2248.41, 2288.09],
  ["2013/5/20", 2286.33, 2299.99, 2281.9, 2309.39],
  ["2013/5/21", 2297.11, 2305.11, 2290.12, 2305.3],
  ["2013/5/22", 2303.75, 2302.4, 2292.43, 2314.18],
  ["2013/5/23", 2293.81, 2275.67, 2274.1, 2304.95],
  ["2013/5/24", 2281.45, 2288.53, 2270.25, 2292.59],
  ["2013/5/27", 2286.66, 2293.08, 2283.94, 2301.7],
  ["2013/5/28", 2293.4, 2321.32, 2281.47, 2322.1],
  ["2013/5/29", 2323.54, 2324.02, 2321.17, 2334.33],
  ["2013/5/30", 2316.25, 2317.75, 2310.49, 2325.72],
  ["2013/5/31", 2320.74, 2300.59, 2299.37, 2325.53],
  ["2013/6/3", 2300.21, 2299.25, 2294.11, 2313.43],
  ["2013/6/4", 2297.1, 2272.42, 2264.76, 2297.1],
  ["2013/6/5", 2270.71, 2270.93, 2260.87, 2276.86],
  ["2013/6/6", 2264.43, 2242.11, 2240.07, 2266.69],
  ["2013/6/7", 2242.26, 2210.9, 2205.07, 2250.63],
  ["2013/6/13", 2190.1, 2148.35, 2126.22, 2190.1],
]);
//切割数组，把数组中的日期和数据分离，返回数组中的日期和数据
function splitData(rawData) {
  var categoryData = [];
  var values = [];

  for (var i = 0; i < rawData.length; i++) {
    //splice 返回每组数组中被删除的第一项，即返回数组中被删除的日期
    //alert(rawData[i].splice(0, 1)[0]);
    //categoryData 日期 把返回的日期放到categoryData[]数组中
    categoryData.push(rawData[i].splice(0, 1)[0]);
    //alert(categoryData);

    //数据数组，即数组中除日期外的数据
    // alert(rawData[i]);
    values.push(rawData[i]);
  }
  return {
    categoryData: categoryData, //数组中的日期 x轴对应的日期
    values: values, //数组中的数据 y轴对应的数据
  };
}

option = {
  tooltip: {
    //提示框
    trigger: "axis", //触发类型：坐标轴触发
    axisPointer: {
      //坐标轴指示器配置项
      type: "cross", //指示器类型，十字准星
    },
    formatter: function (params) {
        params = params[0];
        let currentItemData = params.data;
        return params.name + '<br>' +
            '当前价:' + currentItemData[2] + '<br>' 
           
      },
  },
  legend: {
    //图例控件，点击图例控制哪些系列不现实
    data: ["日K"],
    show: false,
  },
  grid: {
    //直角坐标系
    show: true,
    left: "15%", //grid组件离容器左侧的距离
    right: "5%",
    top: "5%",
    bottom: "15%",
  },
  xAxis: {
    type: "category", //坐标轴类型，类目轴
    data: data0.categoryData,
    //scale: true, //只在数字轴中有效
    boundaryGap: false, //刻度作为分割线，标签和数据点会在两个刻度上
    axisLine: {
      onZero: false,
      lineStyle: {
        color: ["#999999"],
        width: 1,
        type: "solid",
      },
    },
    axisLabel: {
      showMaxLabel: true
  },
    // splitArea: {
    //   show: true, //显示分割区域
    // },
    splitLine: {
      show: true,
      lineStyle: {
        color: ["#E3E3E3"],
        width: 1,
        type: "solid",
      },
    },
    splitNumber: 7, //坐标轴的分割段数，预估值，在类目轴中无效
    min: "dataMin", //特殊值，数轴上的最小值作为最小刻度
    max: "dataMax", //特殊值，数轴上的最大值作为最大刻度
    splitArea: {
      show: true, //显示分割区域
    },
  },
  yAxis: {
    scale: true, //坐标刻度不强制包含零刻度
    axisLine: {
      lineStyle: {
        color: ["#999999"],
        width: 1,
        type: "solid",
      },
    },
    splitNumber: 5, //坐标轴的分割段数，预估值，在类目轴中无效

    splitArea: {
      show: true, //显示分割区域
    },
  },
  dataZoom: [
    //用于区域缩放
    {
      filterMode: "filter", //当前数据窗口外的数据被过滤掉来达到数据窗口缩放的效果 默认值filter
      type: "inside", //内置型数据区域缩放组件
      start: 50, //数据窗口范围的起始百分比
      end: 100, //数据窗口范围的结束百分比
    },
  ],
  series: [
    //图表类型
    {
      name: "日K",
      type: "candlestick", //K线图
      data: data0.values, //y轴对应的数据
      itemStyle: {
        color: upColor,
        color0: downColor,
        borderColor: upBorderColor,
        borderColor0: downBorderColor
      },
    },
  ],
};

Answer 1

移除splitArea即可