Flutter error catch e.message 不工作

Question

void createUser(String email, String password) async {
    try {
      await _auth
          .createUserWithEmailAndPassword(email: email, password: password)
          .then((value) => Get.offAll(Home()));
    } catch (e) {
      Get.snackbar("Error while creating account", e.message, //Error on e.message
          snackPosition: SnackPosition.BOTTOM);
    }
  }

Error: The getter 'message' isn't defined for the class 'Object'. Try correcting the name to the name of an existing getter, or defining a getter or field named 'message'.

知道为什么它不起作用吗？

Answer 1

原因是您捕获的 e 对象没有 message 属性。您可以使用 print(e.runtimeType) 查看它是哪种类型。如果你想捕获某种特定类型的异常，你应该尝试:

try {
   // 
} on SomeClass catch (e) {
    print(e.message)
} catch (e) {
   // 
}