parseDouble static method

double parseDouble(
  1. String? valueStr, {
  2. double? defValue,
})

获取int值

defValue 默认值

Implementation

static double parseDouble(String? valueStr, {double? defValue}) {
  if (valueStr == null || valueStr.isEmpty)
    return defValue == null ? 0.0 : defValue;
  var newValue = double.tryParse(valueStr);
  if (newValue == null) {
    return defValue == null ? 0.0 : defValue;
  }
  return newValue;
}