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| <template>
| <div class="bar-echart" :class="setFull">
| <div class="echart" :style="setGraphHt"></div>
| </div>
| </template>
| <script>
| import $ from 'jquery'
| import echarts from "echarts"
| import {getMaxFromArr, getMinFromArr} from "../libs/common"
| export default {
| props: {
| width: {
| type: String,
| default: 'auto'
| },
| height: {
| type: String,
| default: '100px'
| },
| 'showValue': {
| type: Boolean,
| default: true,
| },
| range:{
| type: Object,
| default(range) {
| var result = {
| min: 0,
| minFlag: false,
| max: 1,
| maxFlag: false,
| };
| return result;
| }
| },
| colors:{
| type: Object,
| default(option) {
| var defaults = {
| normal: '#5cadff',
| max: '#19be6b',
| min: '#ed4014',
| };
| var colors = {};
| if(option) {
| colors = $.extend({}, defaults, option);
| }else {
| colors = defaults;
| }
| return colors;
| }
| },
| full: false
| },
| data() {
| return {
| graph: '',
| style: {
| width: this.width,
| height: this.height,
| },
| option: {},
| }
| },
| methods: {
| setOption: function(opt) {
| var defaults = {
| tooltip: {
| trigger: 'axis',
| axisPointer: {
| type: 'shadow'
| }
| },
| grid: {
| left: '1%',
| right: '1%',
| bottom: '2%',
| containLabel: true
| },
| textStyle: {
| color: "#FFFFFF"
| },
| xAxis: {
| type: 'category',
| axisLine: {
| lineStyle: {
| color: "#FFFFFF"
| }
| },
| data: []
| },
| yAxis: {
| type: 'value',
| min: 0,
| max: 1,
| axisLine: {
| lineStyle: {
| color: "#FFFFFF"
| }
| },
| splitLine: {
| show: false
| }
| },
| series: []
| };
| this.option = $.extend(true, {}, defaults, opt);
|
| // 设置图谱显示范围
| this._setRange();
|
| // 设置文本
| this._setLabel();
|
| // 设置柱状图的颜色
| this._setColor();
| this.graph.setOption(this.option);
| this.graph.resize();
| },
| _setRange: function() { // 设置范围
| var option = this.option;
| var series = option.series;
| // option的最值进行处理
| if(series.length == 0 || series[0].data.length == 0) {
| option.yAxis.min = 0;
| option.yAxis.max = 1;
| }else {
| var data = series[0].data;
| var min = getMinFromArr(data);
| var max = getMaxFromArr(data);
| // 设置最小值
| if(this.range.minFlag == false || this.range.min == undefined) {
| min = Math.floor(min*0.9);
| }else {
| min = this.range.min>min?Math.floor(min*0.9):this.range.min;
| }
|
| // 设置最大值
| if(this.range.maxFlag == false || this.range.max == undefined) {
| max = Number((max*1.15).toFixed(1))
| }else {
| max= this.range.max<max?Number((max*1.15).toFixed(1)):this.range.max;
| }
| option.yAxis.min = min;
| option.yAxis.max = max;
| }
| },
| _setColor: function() { // 设置颜色
| var option = this.option;
| var colors = this.colors;
| var series = option.series[0];
| if(series) {
| var data = series.data;
| if(series.itemStyle == undefined) {
| series.itemStyle = {};
| series.itemStyle.normal = {};
| }
| var maxflag = true;
| var minflag = true;
| series.itemStyle.normal.color = function setColor(value) {
| var min = getMinFromArr(data);
| var max = getMaxFromArr(data);
| if(value.value==max) {
| return colors.max;
| }else if(value.value == min) {
| return colors.min;
| }else {
| return colors.normal;
| }
| };
| }
| },
| _setLabel: function() {
| var option = this.option;
| var series = option.series[0];
| if(series) {
| if(series.itemStyle == undefined) {
| series.itemStyle = {};
| series.itemStyle.normal = {};
| }
| series.itemStyle.normal.label = {
| show: this.showValue,
| position: 'top'
| };
| }
| },
| resize: function() {
| var option = this.graph.getOption();
| this.setOption(option);
| },
| },
| computed: {
| setFull: function() {
| if(typeof(this.full) != 'undefined') {
| return {
| 'full': true,
| }
| }
| },
| setGraphHt: function() {
| var result = {
| width: this.width,
| height: this.height,
| };
| if(typeof(this.full) != 'undefined') {
| result.height = '100%';
| }
| return result;
| }
| },
| mounted: function() {
| // console.log(this.$el);
| var $root = $(this.$el);
| var graphEl = $root.find('.echart').get(0);
| this.graph = echarts.init(graphEl);
| this.graph.setOption({});
| },
| }
| </script>
| <style scoped>
| .bar-echart.full {
| height: 100%;
| }
| </style>
|
|
