未捕获的类型错误:无法读取未定义的属性(读取‘start_time’)
2022-02-02
1360
当我更新上一个间隔的最后结束时间时遇到此错误,尽管它更新了我的状态但不显示在表中
const onEdit = (oldValue, newValue, row, column) => {
const oldRows = props.row;
console.log("BHai", props.row.length - 1);
if (column.dataField === "end_time") {
if (newValue < oldRows[row.interval + 1].start_time) {
oldRows[row.interval][column.dataField] = newValue;
const startTime = parseInt(row.start_time);
const endTime = parseInt(row.end_time);
props.onIntervalUpdate([startTime, endTime], row.interval);
console.log("BHai1");
} else if (oldRows[row.interval].interval === props.row.length - 1) {
oldRows[row.interval][column.dataField] = newValue;
const startTime = parseInt(row.start_time);
const endTime = parseInt(row.end_time);
props.onIntervalUpdate([startTime, endTime], row.interval);
console.log("BHai2");
} else {
oldRows[row.interval][column.dataField] = oldValue;
const startTime = parseInt(row.start_time);
const endTime = parseInt(row.end_time);
props.onIntervalUpdate([startTime, endTime], row.interval);
console.log("BHai3");
}
}
2个回答
考虑在解构过程中添加
可选链接 (?.)
,例如:
newValue < oldRows[row.interval + 1]?.start_time)
和
const startTime = parseInt(row?.start_time);
NeERAJ TK
2022-02-02
像这样弄清楚了,
if (
oldRows[row.interval].interval === props.row.length - 1 &&
oldRows[row.interval].start_time
)
对我来说很好用
Fashad Ahmed
2022-02-02