40 Flutter仿京东商城项目签名验证原理、签名验证算法

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pubspec.yaml

crypto: ^2.1.3

SignServices.dart

import 'dart:convert';

import 'package:crypto/crypto.dart';

class SignServices{
  static getSign(){
    Map addressListAttr={
      "uid":'1',
      "age":10,
      "salt":'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' //私钥
    };
    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)));
  }
}