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  • echarts 各种特效图

    饼图标签展示数值

    配置项:

    option = {
        title: {
            text: '项目时间分布',
            left: 'center'
        },
        tooltip: {
            trigger: 'item',
            formatter: '{a} <br/>{b} : {c} ({d}%)'
        },
        legend: {
            orient: 'vertical',
            left: 'left',
            data: ['智能化项目', '智能化集成', '空调控制系统']
        },
        series: [
            {
                name: '访问来源',
                type: 'pie',
                radius: '55%',
                center: ['50%', '60%'],
                        label: {
                normal: {
                    formatter: "{per|{d}%} 
    {hr|}
      {b|{b}}",
                    align: "right",
                    rich: {
                        hr: {
                            borderColor: "#aaa",
                             "100%",
                            borderWidth: 1,
                            height: 0
                        },
                        b: {
                            fontSize: 14,
                            color: "#000",
                            lineHeight: 20
                        },
                        per: {
                            color: "#000",
                            fontSize: 16,
                            lineHeight: 20
                        }
                    }
                }
            },
                data: [
                    {value: 5, name: '智能化项目'},
                    {value: 12, name: '智能化集成'},
                    {value: 169, name: '空调控制系统'},
                ],
                emphasis: {
                    itemStyle: {
                        shadowBlur: 10,
                        shadowOffsetX: 0,
                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                    }
                }
            }
        ]
    };
    View Code

    运行效果:

     坐标轴显示箭头,刻度标签超出显示省略号

    配置项:

    const alarmRankOptions = {
        color: ['rgba(184,114,58,1)'], //['#A96932'],
        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'
            }
        },
        grid: {
            left: '3%',
            right: '4%',
            bottom: '0',
            containLabel: true,
            borderColor: 'red'
        },
        xAxis: [
            {
                type: 'category',
                data: [],
                axisTick: {
                    alignWithLabel: true
                },
                // nameLocation:'end',//坐标轴名称显示位置。
                // x轴的字体样式
                axisLabel: {
                    show: true,
                    textStyle: {
                        color: '#E6EFFF'
                    },
                    interval: 0 //横轴信息全部显示
                },
                // x轴的颜色和宽度
                axisLine: {
                    lineStyle: {
                        color: '#3C6581',
                         1 //这里是坐标轴的宽度,可以去掉
                    }
                }
            }
        ],
        yAxis: [
            {
                minInterval: 1,
                type: 'value',
                name: '数量:个',
                nameTextStyle: {
                    color: '#E6EFFF'
                },
                axisLabel: {
                    show: true,
                    textStyle: {
                        color: '#E6EFFF'
                    }
                },
                // y轴的颜色和宽度
                axisLine: {
                    show: true,
                    lineStyle: {
                        color: '#3C6581',
                         1 //这里是坐标轴的宽度
                    },
                    symbol: ['none', 'arrow'],
                    symbolSize: [6, 10] //第一个数字表示宽度(垂直坐标轴方向),第二个数字表示高度(平行坐标轴方向)。
                },
                //背景网格线
                splitLine: {
                    show: false,
                    lineStyle: {
                        // 使用深浅的间隔色
                        color: '#ccc',
                        type: 'dashed',
                        shadowBlur: 10
                    }
                }
            }
        ],
        series: [
            {
                name: '待解决报警数',
                type: 'bar',
                barWidth: '20',
                label: {
                    normal: {
                        show: true,
                        position: 'top' //'inside'
                    }
                },
                data: [10, 52, 200, 334, 390, 330, 220, 40]
            }
        ]
    };
    
    export { alarmRankOptions };
    View Code

    运行结果:

     环形图标签显示值

    配置项:

    export const PieOption = {
        grid: {
            left: 50,
            right: 0,
            top: 0,
            containLabel: true,
            zlevel: 99999
        },
        tooltip: {
            trigger: "item",
            formatter: "{b}: {c}次 ({d}%)"
        },
        color: ["#ee6e6d", "#f19469", "#e7bf5f", "#74b8dd", "#67cb82"],
        title: {
            text: 0,
            textStyle: {
                color: "#3A3A3A",
                fontSize: 30,
                fontWeight: "normal"
            },
            subtext: "",
            subtextStyle: {
                color: "#3A3A3A",
                fontSize: 14
            },
            x: "center",
    
            y: "49%"
            // y: "46%"
        },
        series: [
            {
                name: "",
                type: "pie",
                // minAngle: 5,              //最小的扇区角度(0 ~ 360),用于防止某个值过小导致扇区太小影响交互
                avoidLabelOverlap: true, //是否启用防止标签重叠策略
                // radius: ["37%", "55%"],
                radius: ["32%", "46%"],
                center: ["50%", "54%"],
                // center: ["50%", "60%"],
                // radius: ["50%", "50%"],
                itemStyle: {
                    borderColor: "rgba(255,255,255,1)",
                    borderWidth: 8
                },
                label: {
                    normal: {
                        formatter: "{per|{d}%} 
    {hr|}
      {b|{b}}",
                        align: "right",
                        rich: {
                            hr: {
                                borderColor: "#aaa",
                                 "100%",
                                borderWidth: 1,
                                height: 0
                            },
                            b: {
                                fontSize: 14,
                                color: "#000",
                                lineHeight: 20
                            },
                            per: {
                                color: "#000",
                                fontSize: 16,
                                lineHeight: 20
                            }
                        }
                    }
                },
                labelLine: {},
                data: [
                    {
                        value: 150,
                        name: "一级告警"
                        // itemStyle: {
                        //     color: '#ee6e6d'
                        // }
                    },
                    {
                        value: 50,
                        name: "二级告警"
                        // itemStyle: {
                        //     color: '#f19469'
                        // }
                    },
                    {
                        value: 300,
                        name: "三级告警"
                        // itemStyle: {
                        //     color: '#e7bf5f'
                        // }
                    },
                    {
                        value: 500,
                        name: "四级告警"
                        // itemStyle: {
                        //     color: '#74b8dd'
                        // }
                    },
                    {
                        value: 350,
                        name: "五级告警"
                        // itemStyle: {
                        //     color: '#67cb82'
                        // }
                    }
                ]
            }
        ]
    };
    View Code

    运行结果:

    柱状图水平滚动条

    配置项:

    export const BarOption = {
        color: ["#F1726b", "#f58e6b", "#e7c156", "#73b9dd", "#65ca84"],
        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'
            }
        },
        dataZoom: ConstDataZoom,
        legend: {
            data: ["一级", "二级", "三级", "四级", "五级"],
            itemWidth: 9,
            itemHeight: 9,
            itemGap: 20,
            right: 45
        },
        grid: {
            left: 50,
            right: 0,
            top: 30,
            containLabel: true
        },
        xAxis: [
            {
                type: "category",
                silent: false,
                data: [
                    "1月",
                    "2月",
                    "3月",
                    "4月",
                    "5月",
                    "6月",
                    "7月",
                    "8月",
                    "9月",
                    "10月",
                    "11月",
                    "12月"
                ],
                axisTick: {
                    alignWithLabel: true
                },
                splitLine: {
                    show: true,
                    lineStyle: {
                        // 网格颜色
                        color: ["#E5EFF5"]
                    }
                },
                axisLine: {
                    lineStyle: {
                        color: "#ccc"
                    }
                },
                axisLabel: {
                    color: "#3A3A3A",
                    interval: "auto"
                },
                splitArea: {
                    show: false
                }
            }
        ],
        yAxis: [
            {
                type: "value",
                name: "次数",
                minInterval: 1, //设置成1保证坐标轴分割刻度显示成整数。
                nameTextStyle: {
                    color: "#838383"
                },
                splitLine: {
                    show: true,
                    lineStyle: {
                        // 网格颜色
                        color: ["#E5EFF5"]
                    }
                },
                axisLine: {
                    lineStyle: {
                        color: "#E5EFF5"
                    }
                },
                axisLabel: {
                    color: "#3A3A3A",
                    interval: 0
                }
            }
        ],
        series: [
            {
                name: "一级",
                type: "bar",
                data: [320, 332, 301, 334, 390, 320, 332, 301, 334, 390]
            },
            {
                name: "二级",
                type: "bar",
                data: [220, 182, 191, 234, 290, 220, 182, 191, 234, 290]
            },
            {
                name: "三级",
                type: "bar",
                data: [150, 232, 201, 154, 190, 150, 232, 201, 154, 190]
            },
            {
                name: "四级",
                type: "bar",
                data: [220, 182, 191, 234, 290, 220, 182, 191, 234, 290]
            },
            {
                name: "五级",
                barGap: 0,
                type: "bar",
                data: [220, 182, 191, 234, 290, 220, 182, 191, 234, 290]
            }
        ]
    };
    View Code

    运行结果:

    tooltip.formatter保留默认图标

     //tooltip start
          option.tooltip.formatter = function(param) {
            // console.log("param :>> ", param);
            let str = param.length > 0 ? `${param[0].name}<br/>` : "";
            param.forEach((item, idx) => {
              str +=
                renderSpan(item.color) +
                item.seriesName +
                ":" +
                item.value +
                units[idx] +
                "<br/>";
            });
            return str;
          };
          function renderSpan(color) {
            return `<span style="display:inline-block;margin-right:5px;border-radius:10px;10px;height:10px;background-color:${color};"></span>`;
          }
          //tooltip end
    View Code

    .............

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  • 原文地址:https://www.cnblogs.com/jiekzou/p/13291974.html
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