echart 柱状图柱子顶部放图片不成功

Question

echart 柱状图柱子顶部放图片不成功

发布于
2020-06-28

很奇怪一直没放置成功

看文档是改这里一直没成功有人吗

`<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title></title>
    <style>
        img{
            width: 100%;
            height: 100%;
            border: 1px solid;
            background: #0095DD;
        }
        .be{
            width: 40px;
            height: 40px;
        }
    </style>
</head>
<script src="https://cdn.bootCSS.com/echarts/3.5.4/echarts.js"></script>
<body>
    <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
    <div id="main" style="width: 950px;height:612px;"></div>
    <div class="be"><img src="./小白框.png" alt=""></div>
    <script type="text/javascript">
        var myChart = echarts.init(document.getElementById('main'));
        // var src='data:image/png;base64,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'
        var src = 'https://img30.360buyimg.com/img/s280x240_jfs/t1/50854/4/14718/7883/5db93ea0Ef47add96/ce6848c5602022e2.png!cc_280x240.webp'
        var data = [10, 40, 60, 50, 70, 60, 40];
        // 求一个数组的最大值
        function max(data) {
            var max = data[0];
            for (var i = 0; i < data.length; i++) {
                if (max < data[i]) {
                    max = data[i];
                }
            }
            return max;
        }
        // 背景xdata  渐变色柱状图   间隔色 两种  你可以设置多种
        var bgData = [];
        for (var i = 0; i < data.length; i++) {
            bgData.push(max(data));
        }
        
        option = {
            xAxis: {
                data: ['优酷', '爱奇艺', '腾讯', '乐视', '暴风影音', '百度', '其他'], //x轴
                axisTick: {
                    alignWithLabel: true,
                    length: 0
                },
                axisLine: {
                    lineStyle: {
                        width: 3,
                        color: 'rgb(162,218,224)'
                    }
                },
                axisLabel: {
                    color: 'rgb(170,242,254)',
                    fontSize: 14,
                    formatter: function(param) {
                        return param.slice(0, 2)
                    }
                }
            },
            yAxis: {
                axisTick: {
                    lineStyle: {
                        color: 'rgb(162,218,224)',
                        width: 2
                    }
                },
                axisLine: {
                    lineStyle: {
                        width: 3,
                        color: 'rgb(162,218,224)'
                    }
                },
                axisLabel: {
                    color: 'rgb(170,242,254)',
                    fontSize: 12,
                    formatter: '{value}%'
                },
                splitLine: {
                    lineStyle: {
                        color: 'rgb(51,86,131)'
                    }
                }
            },
            series: [{ //如果不需要背景色  可以把此 bar删掉  上方求bgData的过程删掉
                type: 'bar',
                data: bgData,
                tooltip: {
                    show: false
                },
                silent: true,
                itemStyle: {
                    normal: {
                        color: 'rgba(0,0,0,.3)'
                    }
                }
            }, {
                type: "bar",
                data: data,
                barGap: '-100%',
                barCategoryGap: '50%',
                itemStyle: {
                    normal: {
                        color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                            offset: 0,
                            color: 'rgba(0, 227, 252, 0.8)' //起始色  可以自己设置
                        }, {
                            offset: 1,
                            color: 'rgba(0, 227, 252,0.2)' //结束色
                        }], false),
                        borderColor: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                            offset: 0,
                            color: 'rgba(255, 255, 255, 1)' //起始色  可以自己设置
                        }, {
                            offset: 0.05,
                            color: 'rgba(0, 227, 252,0)' //结束色
                        }], false),
                        borderWidth: 15
                    }
                },
                label: {
                    show: true,
                    position: 'top',
                    padding: [5, 10],
                    fontSize: 26,
                    height:100,
                    width: 60,
                    color: 'rgb(233,235,4)',
                    formatter: '{c}%',
                    backgroundColor: {
                        image: src
                    },
                    rich: {}
        
                }
            }]
        };
        // 使用刚指定的配置项和数据显示图表。
         myChart.setOption(option);
    </script>
</body>

</html>
`

echarts javascript

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