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| export default {
| props:{
| scrollbarSize:{
| type:Number,
| default:0
| },
| fixedLeftColumns:{
| type:Array,
| default:()=>[]
| },
| data:{
| type:Array,
| default:()=>[]
| },
| transColumns:{
| type:Array,
| default:()=>[]
| },
| border:{
| type:Boolean,
| default:false
| },
| showSummary:{
| type:Boolean,
| default:false
| },
| summaryMethod:{
| type:Function
| },
| sumText:{
| type:String,
| default:'合计'
| },
| headerFooterTableLeft:{
| type:Number,
| default:0
| },
| handleFooterTableScrollLeft:Function,
| },
| data(){
| return{
| sums:[]
| }
| },
| watch:{
| 'data':{
| deep:true,
| immediate:true,
| handler(newValue,oldValue){
| let sums = [];
| if (this.summaryMethod) {
| sums = this.summaryMethod({ columns: this.transColumns, data: this.data });
| } else {
| this.transColumns.forEach((column, index) => {
| if (index === 0) {
| sums[index] = this.sumText;
| return;
| }
| const values = this.data.map(item => Number(item[column.name]));
| const precisions = [];
| let notNumber = true;
| values.forEach(value => {
| if (!isNaN(value)) {
| notNumber = false;
| let decimal = ('' + value).split('.')[1];
| precisions.push(decimal ? decimal.length : 0);
| }
| });
| const precision = Math.max.apply(null, precisions);
| if (!notNumber) {
| sums[index] = values.reduce((prev, curr) => {
| const value = Number(curr);
| if (!isNaN(value)) {
| return parseFloat((prev + curr).toFixed(Math.min(precision, 20)));
| } else {
| return prev;
| }
| }, 0);
| } else {
| sums[index] = '';
| }
| });
| }
| this.sums = sums
| },
| }
| }
| }
|
|
