SwiftUI-账号输入框和密码输入框

public init<S>(_ title: S, text: Binding<String>, onEditingChanged: @escaping (Bool) -> Void = { _ in }, onCommit: @escaping () -> Void = {}) where S : StringProtocol
        ///     - Parameters:
    ///   - title: The title of the text view, describing its purpose.
    ///   - text: The text to display and edit.
    ///   - onEditingChanged: The action to perform when the user
    ///     begins editing `text` and after the user finishes editing `text`.
    ///     The closure receives a Boolean value that indicates the editing
    ///     status: `true` when the user begins editing, `false` when they
    ///     finish.
    ///   - onCommit: An action to perform when the user performs an action
TextField("请输入账号", text: .constant("123456")) 
    { (value) in
    //  code... 输入框变化的时候需要执行的方法
    } onCommit: {
    //  code... 输入完成后需要执行的方法
}

public init<S>(_ title: S, text: Binding<String>, onCommit: @escaping () -> Void = {}) where S : StringProtocol
        /// - Parameters: