Merge remote-tracking branch 'origin/main' into main

MyToDo/MyToDo/MyToDo.Shared/StringExtensions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MyToDo.Shared
+{
+    public static class StringExtensions
+    {
+        public static string GetMD5(this string data)
+        {
+            if (string.IsNullOrWhiteSpace(data))
+                throw new ArgumentNullException(nameof(data));
+
+            var hash = MD5.Create().ComputeHash(Encoding.Default.GetBytes(data));
+            return Convert.ToBase64String(hash);//将加密后的字节数组转换为加密字符串
+        }
+    }
+}

MyToDo/MyToDo/MyToDo/Common/PassWordExtensions.cs

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+using Microsoft.Xaml.Behaviors;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace MyToDo.Common
+{
+    public class PassWordExtensions
+    {
+        public static readonly DependencyProperty PasswordProperty =
+            DependencyProperty.RegisterAttached("Password",
+            typeof(string), typeof(PassWordExtensions),
+            new FrameworkPropertyMetadata(string.Empty, OnPasswordPropertyChanged));
+
+        private static void OnPasswordPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
+        {
+            PasswordBox passwordBox = sender as PasswordBox;
+            string password = (string)e.NewValue;
+            if (passwordBox != null && passwordBox.Password != password)
+                passwordBox.Password = password;
+        }
+
+        public static string GetPassword(DependencyObject dp)
+        {
+            return (string)dp.GetValue(PasswordProperty);
+        }
+
+        public static void SetPassword(DependencyObject dp, string value)
+        {
+            dp.SetValue(PasswordProperty, value);
+        }
+    }
+
+    public class PasswordBoxBehavior : Behavior<PasswordBox>
+    {
+        protected override void OnAttached()
+        {
+            base.OnAttached();
+            AssociatedObject.PasswordChanged += OnPasswordChanged;
+        }
+
+        private static void OnPasswordChanged(object sender, RoutedEventArgs e)
+        {
+            PasswordBox passwordBox = sender as PasswordBox;
+            string password = PassWordExtensions.GetPassword(passwordBox);
+            if (passwordBox != null && passwordBox.Password != password)
+                PassWordExtensions.SetPassword(passwordBox, passwordBox.Password);
+        }
+
+        protected override void OnDetaching()
+        {
+            base.OnDetaching();
+            AssociatedObject.PasswordChanged -= OnPasswordChanged;
+        }
+    }
+}