// 表格合计
heji(param){
const {columns,data} = param
const sums = [];
columns.forEach((column, index) => {
if (index === 0) {
sums[index] = '合计';
return;
}
const values = data.map(item => Number(item[column.property]));
if (!values.every(value => isNaN(value))) {
sums[index] = values.reduce((prev, curr) => {
const value = Number(curr);
if (!isNaN(value)) {
return prev + curr;
} else {
return prev;
}
}, 0);
if(column.label=='交易次数'){
sums[index]=sums[index];
}else{
sums[index] = '¥'+sums[index];
}
} else {
sums[index] = '/';
}
});
return sums;
}
表格绑定方法:summary-method
elementui 地址: https://element.eleme.cn/#/zh-CN/component/table