Dart或Flutter中解决异常-type ‘int‘ is not a subtype of type ‘double‘

int money = data["money"];

double money = data["money"];

/// 会自动转换成对应的类型
num money = data["money"];

part of dart.core;

/// An integer or floating-point number.
///
/// It is a compile-time error for any type other than [int] or [double]
/// to attempt to extend or implement `num`.
///
/// **See also:**
/// * [int]: An integer number.
/// * [double]: A double-precision floating point number.
/// * [Numbers](https://dart.dev/guides/language/numbers) in
/// [A tour of the Dart language](https://dart.dev/guides/language/language-tour).

abstract class num implements Comparable<num> {
  ...
}

double money = 0.0;
var result = data["money"];
if(result is int){
  money = result.toDouble();
} else{
  money = result;
}

int money = 0;
var result = data["money"];
if(result is int){
  money = result;
} else{
  money = result.toInt();
}