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错误：无法在 JavaScript 中准确表示整数文字 0xFFFFFFFFFFFFFFFF

程序问答   发布时间：2022-06-02  发布网站：大佬教程  code.js-code.com
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如何解决错误：无法在 JavaScript 中准确表示整数文字 0xFFFFFFFFFFFFFFFF？

开发过程中遇到错误：无法在 JavaScript 中准确表示整数文字 0xFFFFFFFFFFFFFFFF的问题如何解决？下面主要结合日常开发的经验，给出你关于错误：无法在 JavaScript 中准确表示整数文字 0xFFFFFFFFFFFFFFFF的解决方法建议，希望对你解决错误：无法在 JavaScript 中准确表示整数文字 0xFFFFFFFFFFFFFFFF有所启发或帮助；

我正在尝试使用 AES 加密来加密我的数据并将我的数据存储到 Firebase 我的算法中

  1. 接受用户输入
  2. 加密
  3. 存储到firebase 并用于解密
  4. 从 firebase 获取数据
  5. 解密
  6. 使用解密数据 为此，我使用以下代码

发送数据加密的代码：

 List<String> dataTOEncrypt = [name.text,contact.text,Bus_Type.text,Bus.text,Driver.text];
                              List<dynamic> encryptedData = Encryption().encryptData(dataTOEncrypt);
                              var d = await FirebaseFirestore.instance.collection('Bus').get();
                              var ID = d.docs.length+1;
                              await FirebaseFirestore.instance.collection('Bus').doc('$ID').set({
                                'image':imageUri??"",'bus_name':encryptedData[0],'bus_contact':encryptedData[1],'bus_type':encryptedData[2],'bus_number':encryptedData[3],'driver':encryptedData[4]
                              });

我的加密类代码

import 'package:encrypt/encrypt.dart';
final key = Key.fromLength(64);
final iv = IV.fromLength(32);
final encrypter = Encrypter(AES(key));
class Encryption {
  encryptData(List<String> data) {
    List<dynamic> encryptedList = [];
    for (int i = 0; i < data.length; i++) {
      final encrypted = encrypter.encrypt(data[i],iv: iv);
      encryptedList.add(encrypted);
    }
    return encryptedList;
  }
}
class Decryption{
  decryptData(List<dynamic> data){
    List<String> decryptedList =[];
    for(int i=0;i<data.length;i++){
      final decrypted = encrypter.decrypt(data[i],iv: iv);
      decryptedList.add(decrypted);
    }
    return decryptedList;
  }
}

但是这件事给了我以下错误：

Target dart2Js Failed: Exception: /D:/software/Flutter/Flutter/.pub-cache/hosted/pub.dartlang.org/pointycastle-3.1.3/lib/key_derivators/argon2.dart:42:27:
Error: The Integer literal 0xFFFFFFFFFFFFFFFF can't be represented exactly in JavaScript.
  static const int M32L = 0xFFFFFFFFFFFFFFFF;
                          ^^^^^^^^^^^^^^^^^^
lib/screens/dashboard/components/Add_Trip.dart:715:37:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'bus_name':encryptedData[0]??"",^
lib/screens/dashboard/components/Add_Trip.dart:716:40:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'bus_contact':encryptedData[1]??"",^
lib/screens/dashboard/components/Add_Trip.dart:717:37:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'bus_type':encryptedData[2]??"",^
lib/screens/dashboard/components/Add_Trip.dart:718:39:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'bus_number':encryptedData[3]??"",^
lib/screens/dashboard/components/Add_Trip.dart:719:35:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver':encryptedData[4]??""
                                  ^
lib/screens/Bus%20Screen/Add_Bus.dart:462:55:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                              'bus_name':encryptedData[0]??"",^
lib/screens/Bus%20Screen/Add_Bus.dart:463:58:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                              'bus_contact':encryptedData[1]??"",^
lib/screens/Bus%20Screen/Add_Bus.dart:464:55:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                              'bus_type':encryptedData[2]??"",^
lib/screens/Bus%20Screen/Add_Bus.dart:465:57:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                              'bus_number':encryptedData[3]??"",^
lib/screens/Bus%20Screen/Add_Bus.dart:466:53:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                              'driver':encryptedData[4]??"",^
lib/screens/Drivers/Add_Driver.dart:282:40:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver_name':encryptedData[0]??"",^
lib/screens/Drivers/Add_Driver.dart:283:43:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver_contact':encryptedData[1]??"",^
lib/screens/Drivers/Add_Driver.dart:284:38:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver_ID':encryptedData[2]??"",^
lib/screens/Drivers/Add_Driver.dart:285:43:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver_address':encryptedData[3]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:258:49:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                        'bus_name':encryptedData[0]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:259:52:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                        'bus_contact':encryptedData[1]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:260:49:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                        'bus_type':encryptedData[2]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:261:51:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                        'bus_number':encryptedData[3]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:262:47:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                        'driver':encryptedData[4]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:451:53:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                            'bus_name':encryptedData[0]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:452:56:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                            'bus_contact':encryptedData[1]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:453:53:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                            'bus_type':encryptedData[2]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:454:55:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                            'bus_number':encryptedData[3]??"",^
lib/screens/Bus%20Screen/EdiT_Bus.dart:455:51:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
                            'driver':encryptedData[4]??"",^
lib/screens/Drivers/Edit_Driver.dart:248:40:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver_name':encryptedData[0]??"",^
lib/screens/Drivers/Edit_Driver.dart:249:43:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver_contact':encryptedData[1]??"",^
lib/screens/Drivers/Edit_Driver.dart:250:38:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver_ID':encryptedData[2]??"",^
lib/screens/Drivers/Edit_Driver.dart:251:43:
Warning: Operand of null-aware operation '??' has type 'String' which excludes null.
            'driver_address':encryptedData[3]??"",^
/D:/software/Flutter/Flutter/.pub-cache/hosted/pub.dartlang.org/pointycastle-3.1.3/lib/src/utils.dart:313:9:
Error: The Integer literal 0xFFFFFFFFFFFFFFFF can't be represented exactly in JavaScript.
      ((0xFFFFFFFFFFFFFFFF) ^ ((1 << (64 - count)) - 1));
        ^^^^^^^^^^^^^^^^^^
/D:/software/Flutter/Flutter/.pub-cache/hosted/pub.dartlang.org/pointycastle-3.1.3/lib/src/platform_check/platform_check.dart:6:35:
Error: Method not found: 'getPlatform'.
  static Platform get instance => getPlatform();
                                  ^^^^^^^^^^^
Error: Compilation Failed.

我知道 JavaScript 可以将最大值存储到 2^53-1。 我想我可以通过简单地将数据转换为 base64 值或字符串值来将数据存储到 firebase 中，但这会导致解密错误。

解决方法

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