用户登录界面（WinForm版本）

G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.exe.config G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.exe G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.pdb G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.AssemblyReference.cache G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.mainForm.resources G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.Properties.Resources.resources G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.GenerateResource.cache G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.CoreCompileInputs.cache G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.exe G:\ccb\Test\WindowsFormsApp1\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.pdb