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byteArrayactions[0]=0x48;//H byteArrayactions[1]=0x02; byteArrayactions[2]=(byte)4; byteArrayactions[3]=(byte)6; byteArrayactions[4]=(byte)9; 这是我在java中写的代码,byte数组添加如上5个数组,刚入门flutter,希望大佬可以在百忙之中抽空为小弟解决下这个问题,如何在flutter中实现? 我已经知晓可以用Utf8Encoder().convert('HOPEN')这种方式来将字符串转化成Uint8List, 但是我不知道如何将字符串和int一起转化
The text was updated successfully, but these errors were encountered:
import 'dart:convert'; import 'dart:typed_data';
void main() { var listString = Utf8Encoder().convert('HCC'); var listInt = [111, 20, 33, 41, 25, 25, 25, 25, 25, 787,0x02,0x4F]; var int2utf8 = Uint8List.fromList(listInt);
var listall = listString+int2utf8; Uint8List last = Uint8List.fromList(listall);
print(listall); print(last.elementAt(0)); print(last.sublist(1)); } 你好,经过实验需要三次转化可以将字符串和ASCII和整形转化在一起成为字节型集合 在回转的过程中如最后两个打印,print(last.elementAt(0));可以打印字节型集合中的第一个的数值但是并不是字符串,但这对我足够了,谢谢
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解决就好,最近项目忙,都没时间更新了
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byteArrayactions[0]=0x48;//H
byteArrayactions[1]=0x02;
byteArrayactions[2]=(byte)4;
byteArrayactions[3]=(byte)6;
byteArrayactions[4]=(byte)9;
这是我在java中写的代码,byte数组添加如上5个数组,刚入门flutter,希望大佬可以在百忙之中抽空为小弟解决下这个问题,如何在flutter中实现?
我已经知晓可以用Utf8Encoder().convert('HOPEN')这种方式来将字符串转化成Uint8List,
但是我不知道如何将字符串和int一起转化
The text was updated successfully, but these errors were encountered: