40 Flutter仿京東商城項目簽名驗證原理、簽名驗證算法

加羣452892873 下載對應40課文件,運行方法,建好項目,直接替換lib目錄ui

pubspec.yamlspa

crypto: ^2.1.3

 

SignServices.dartcode

import 'dart:convert';

import 'package:crypto/crypto.dart';

class SignServices{
  static getSign(){
    Map addressListAttr={
      "uid":'1',
      "age":10,
      "salt":'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' //私鑰
    };
    List attrKeys=addressListAttr.keys.toList();
    attrKeys.sort();
    print(attrKeys);
    String str='';
    for(var i=0;i<attrKeys.length;i++){
      str+="${attrKeys[i]}${addressListAttr[attrKeys[i]]}";
    }
    print(str);
    print(md5.convert(utf8.encode(str)));
  }
}
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