ECharts 使用tooltip.formatter自定义提示框格式时保留默认图标

谁借莪１个温暖的怀抱￠ 2023-10-05 16:46 6阅读 0赞

#### 1 原始效果图 ####

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc0NjM4_size_16_color_FFFFFF_t_70][]

#### 2 实现代码 ####

<body>
        
        <div id="main" style="width: 600px;height:400px;"></div>
        <script type="text/javascript">
            // 基于准备好的dom，初始化echarts实例
            var myChart = echarts.init(document.getElementById('main'));
     
            // 指定图表的配置项和数据
            var option = {
                title: {
                    text: '第一个 ECharts 实例'
                },
                tooltip: {
    				trigger:"axis",
    				formatter:function(val){
                        var txt = val[0].name;
                        return val[0].marker+val[0].name+":"+val[0].value+"%";
                    }
    			},
                legend: {
                    data:['销量']
                },
                xAxis: {
                    data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
                },
                yAxis: {},
                series: [{
                    name: '销量',
                    type: 'bar',
                    data: [5, 20, 36, 10, 10, 20]
                }]
            };
     
            // 使用刚指定的配置项和数据显示图表。
            myChart.setOption(option);
        </script>
    </body>

#### 3 最终效果图（自定义提示框格式时保留默认图标） ####

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc0NjM4_size_16_color_FFFFFF_t_70 1][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc0NjM4_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20201230193903189.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc0NjM4,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc0NjM4_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20201230194713225.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc0NjM4,size_16,color_FFFFFF,t_70