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lcap-x-echarts

v0.9.3

Published

本组件主要是给 Echarts 添加了主题,以及几个常见的 CSS 功能。

Downloads

6

Readme

LcapXEcharts 百度图表

Chart

本组件主要是给 Echarts 添加了主题,以及几个常见的 CSS 功能。

更多示例请查阅官方示例

更多配置项请查阅官方配置项

更多详细信息请参考 Echarts 的 API 文档

示例

基本用法

<template>
<lcap-x-echarts :options="options"></lcap-x-echarts>
</template>
<script>
export default {
	data() {
		return {
			options: (() => {
                function randomize() {
                    return [0, 0, 0].map((v) => Math.round(300 + Math.random() * 700) / 10);
                }

                return {
                    legend: {},
                    tooltip: {},
                    dataset: {
                        // Provide data.
                        source: [
                            ['Product', '2015', '2016', '2017'],
                            ['Matcha Latte', ...randomize()],
                            ['Milk Tea', ...randomize()],
                            ['Cheese Cocoa', ...randomize()],
                            ['Walnut Brownie', ...randomize()],
                        ],
                    },
                    // Declare X axis, which is a category axis, mapping
                    // to the first column by default.
                    xAxis: { type: 'category' },
                    // Declare Y axis, which is a value axis.
                    yAxis: {},
                    // Declare several series, each of them mapped to a
                    // column of the dataset by default.
                    series: [{ type: 'bar' }, { type: 'bar' }, { type: 'bar' }],
                };
            })(),
		}
	}
};
</script>
<template>
<lcap-x-echarts :options="options"></lcap-x-echarts>
</template>
<script>
export default {
	data() {
		return {
			options: {
                title: {
                    text: '饼图示例',
                    x: 'center',
                },
                tooltip: {
                    trigger: 'item',
                    formatter: '{a} <br/>{b} : {c} ({d}%)',
                },
                legend: {
                    orient: 'vertical',
                    left: 'left',
                    data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎'],
                },
                series: [
                    {
                        name: '访问来源',
                        type: 'pie',
                        radius: '55%',
                        center: ['50%', '60%'],
                        data: [
                            { value: 335, name: '直接访问' },
                            { value: 310, name: '邮件营销' },
                            { value: 234, name: '联盟广告' },
                            { value: 135, name: '视频广告' },
                            { value: 1548, name: '搜索引擎' },
                        ],
                        itemStyle: {
                            borderWidth: 2,
                            borderColor: 'white',
                        },
                    },
                ],
            },
		}
	}
};
</script>

添加边框

默认的 ECharts 没有边框,为了方便,实现在了组件中。

只需开启border属性即可。

<template>
<lcap-x-echarts border :options="options"></lcap-x-echarts>
</template>
<script>
export default {
	data() {
		return {
			options: {
                title: {
                    text: '甜圈图示例',
                    x: 'left',
                },
                tooltip: {
                    trigger: 'item',
                    formatter: "{a} <br/>{b}: {c} ({d}%)"
                },
                legend: {
                    orient: 'vertical',
                    x: 'right',
                    data:['直接访问','邮件营销','联盟广告','视频广告','搜索引擎']
                },
                series: [
                    {
                        name:'访问来源',
                        type:'pie',
                        radius: ['45%', '60%'],
                        avoidLabelOverlap: false,
                        label: {
                            normal: {
                                show: false,
                                position: 'center'
                            },
                            emphasis: {
                                show: true,
                                textStyle: {
                                    fontSize: '24',
                                    fontWeight: 'bold'
                                }
                            }
                        },
                        labelLine: {
                            normal: {
                                show: false
                            }
                        },
                        itemStyle: {
                            borderWidth: 2,
                            borderColor: 'white',
                        },
                        data:[
                            { value: 335, name: '直接访问' },
                            { value: 310, name: '邮件营销' },
                            { value: 234, name: '联盟广告' },
                            { value: 135, name: '视频广告' },
                            { value: 1548, name: '搜索引擎' },
                        ],
                    },
                ],
            },
        };
	},
};
</script>

设置宽高

直接添加style属性。

<template>
<lcap-x-echarts border :options="options" style="width: 420px; height: 240px;"></lcap-x-echarts>
</template>
<script>
export default {
	data() {
		return {
			options: {
                title: {
                    text: '甜圈图示例',
                    x: 'left',
                },
                tooltip: {
                    trigger: 'item',
                    formatter: "{a} <br/>{b}: {c} ({d}%)"
                },
                legend: {
                    orient: 'vertical',
                    x: 'right',
                    data:['直接访问','邮件营销','联盟广告','视频广告','搜索引擎']
                },
                series: [
                    {
                        name:'访问来源',
                        type:'pie',
                        radius: ['60%', '80%'],
                        avoidLabelOverlap: false,
                        label: {
                            normal: {
                                show: false,
                                position: 'center'
                            },
                            emphasis: {
                                show: true,
                                textStyle: {
                                    fontSize: '24',
                                    fontWeight: 'bold'
                                }
                            }
                        },
                        labelLine: {
                            normal: {
                                show: false
                            }
                        },
                        itemStyle: {
                            borderWidth: 2,
                            borderColor: 'white',
                        },
                        data:[
                            { value: 335, name: '直接访问' },
                            { value: 310, name: '邮件营销' },
                            { value: 234, name: '联盟广告' },
                            { value: 135, name: '视频广告' },
                            { value: 1548, name: '搜索引擎' },
                        ],
                    },
                ],
            },
        };
	},
};
</script>

API

Props/Attrs

| Prop/Attr | Type | Options | Default | Description | | --------- | ---- | ------- | ------- | ----------- | | init-options | object | | | 初始化实例 | | options | object | | | ECharts 实例的数据。修改这个 prop 会触发 ECharts 实例的 setOption 方法。如果直接修改 options 绑定的数据而对象引用保持不变,setOption 方法调用时将带有参数 notMerge: false。否则,如果为 options 绑定一个新的对象,setOption 方法调用时则将带有参数 notMerge: true。 | | theme | string | | | 设置主题 | | group | string | | | 实例的分组,会自动绑定到 ECharts 组件的同名属性上。 | | autoresize | boolean | | true | 指定 ECharts 实例在组件根元素尺寸变化时是否需要自动进行重绘。 | | manual-update | boolean | | false | 在性能敏感(数据量很大)的场景下,我们最好对于 options prop 绕过 Vue 的响应式系统。当将 manual-update prop 指定为 true 且不传入 options prop 时,数据将不会被监听。然后,你需要用 ref 获取组件实例以后手动调用 mergeOptions 方法来更新图表。 | | border | boolean | | false | 是否添加边框 |

Computed

| Computed | Type | Description | | -------- | ---- | ----------- | | width | number | 用来获取 ECharts 实例的当前宽度。 | | height | number | 用来获取 ECharts 实例的当前高度。 | | computedOptions | object | 用来读取 ECharts 更新内部 options 后的实际数据。 |

Events

@legendselectchanged

| Param | Type | Description | | ----- | ---- | ----------- |

@legendselected

| Param | Type | Description | | ----- | ---- | ----------- |

@legendunselected

| Param | Type | Description | | ----- | ---- | ----------- |

@legendscroll

| Param | Type | Description | | ----- | ---- | ----------- |

@datazoom

| Param | Type | Description | | ----- | ---- | ----------- |

@datarangeselected

| Param | Type | Description | | ----- | ---- | ----------- |

@timelinechanged

| Param | Type | Description | | ----- | ---- | ----------- |

@timelineplaychanged

| Param | Type | Description | | ----- | ---- | ----------- |

@restore

| Param | Type | Description | | ----- | ---- | ----------- |

@dataviewchanged

| Param | Type | Description | | ----- | ---- | ----------- |

@magictypechanged

| Param | Type | Description | | ----- | ---- | ----------- |

@geoselectchanged

| Param | Type | Description | | ----- | ---- | ----------- |

@geoselected

| Param | Type | Description | | ----- | ---- | ----------- |

@geounselected

| Param | Type | Description | | ----- | ---- | ----------- |

@pieselectchanged

| Param | Type | Description | | ----- | ---- | ----------- |

@pieselected

| Param | Type | Description | | ----- | ---- | ----------- |

@pieunselected

| Param | Type | Description | | ----- | ---- | ----------- |

@mapselectchanged

| Param | Type | Description | | ----- | ---- | ----------- |

@mapselected

| Param | Type | Description | | ----- | ---- | ----------- |

@mapunselected

| Param | Type | Description | | ----- | ---- | ----------- |

@axisareaselected

| Param | Type | Description | | ----- | ---- | ----------- |

@focusnodeadjacency

| Param | Type | Description | | ----- | ---- | ----------- |

@unfocusnodeadjacency

| Param | Type | Description | | ----- | ---- | ----------- |

@brush

| Param | Type | Description | | ----- | ---- | ----------- |

@brushselected

| Param | Type | Description | | ----- | ---- | ----------- |

@rendered

| Param | Type | Description | | ----- | ---- | ----------- |

@finished

| Param | Type | Description | | ----- | ---- | ----------- |

@click

| Param | Type | Description | | ----- | ---- | ----------- |

@dblclick

| Param | Type | Description | | ----- | ---- | ----------- |

@mouseover

| Param | Type | Description | | ----- | ---- | ----------- |

@mouseout

| Param | Type | Description | | ----- | ---- | ----------- |

@mousemove

| Param | Type | Description | | ----- | ---- | ----------- |

@mousedown

| Param | Type | Description | | ----- | ---- | ----------- |

@mouseup

| Param | Type | Description | | ----- | ---- | ----------- |

@globalout

| Param | Type | Description | | ----- | ---- | ----------- |

@contextmenu

| Param | Type | Description | | ----- | ---- | ----------- |

Methods

mergeOptions()

(底层调用了 ECharts 实例的 setOption 方法)提供了一个更贴切的名称来描述 setOption 方法的实际行为。

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

appendData()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

resize()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

dispatchAction()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

showLoading()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

hideLoading()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

convertToPixel()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

convertFromPixel()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

containPixel()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

getDataURL()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

getConnectedDataURL()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

clear()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

dispose()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

connect()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

disconnect()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

registerMap()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

registerTheme()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

graphic.clipPointsByRect()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |

graphic.clipRectByRect()

| Param | Type | Default | Description | | ----- | ---- | ------- | ----------- |