今天了解了一下SwiftForms，其实原理跟OC的XLForm是差不多的，可能在用法上有稍微的不同，

• email

    let form = FormDescriptor(title: "Form Title")
    
    let section1 = FormSectionDescriptor(headerTitle: "", footerTitle: "")
    
    var row = FormRowDescriptor(tag: Static.NameTag, type: .email, title: "Email")
    row.configuration.cell.appearance = ["textField.placeholder": "wang@gmail.com" as AnyObject, "textField.textAlignment": NSTextAlignment.right.rawValue as AnyObject]
    section1.rows.append(row)
  

  row.configuration.cell.appearance可以通过这个属性传递一个数组改变cell的某些特征，对齐方式，文字大小，文字颜色等；

• password 密码输入框

    row = FormRowDescriptor(tag: Static.Passwordtag, type: .password, title: "Password")
    row.configuration.cell.appearance = ["textField.placeholder": "password" as AnyObject, "textField.textAlignment": NSTextAlignment.right.rawValue as AnyObject]
    section1.rows.append(row)
  

• name

    row = FormRowDescriptor(tag: Static.FirstTag, type: .name, title: "First Name")
    row.configuration.cell.appearance = ["textField.placeholder": "First" as AnyObject, "textField.textAlignment": NSTextAlignment.right.rawValue as AnyObject]
    section2.rows.append(row)
  

• text

    row = FormRowDescriptor(tag: Static.JobTag, type: .text, title: "Job")
    row.configuration.cell.appearance = ["textField.placeholder": "Job" as AnyObject, "textField.textAlignment": NSTextAlignment.right.rawValue as AnyObject]
    section2.rows.append(row)
  

• url

     row = FormRowDescriptor(tag: Static.UrlTag, type: .url, title: "URL")
    row.configuration.cell.appearance = ["textField.placeholder": "URL" as AnyObject, "textField.textAlignment": NSTextAlignment.right.rawValue as AnyObject]
    section3.rows.append(row)
  

• phone

    row = FormRowDescriptor(tag: Static.PhoneTag, type: .phone, title: "Phone")
    row.configuration.cell.appearance = ["textField.placeholder": "Phone" as AnyObject, "textField.textAlignment": NSTextAlignment.right.rawValue as AnyObject]
    section3.rows.append(row)
  

• booleanSwitch

    row = FormRowDescriptor(tag: Static.SwitchTag, type: .booleanSwitch, title: "Enable")
    section4.rows.append(row)
  

• booleanCheck

     row = FormRowDescriptor(tag: Static.CheckTag, type: .booleanCheck, title: "Check")
  

• segmentedControl

    row = FormRowDescriptor(tag: Static.SegmentTag, type: .segmentedControl, title: "SegmentControl")
    row.configuration.selection.options = [1, 2, 3, 4] as [AnyObject]
    row.configuration.selection.optionTitleClosure = { value in
        guard let option = value as? Int else {
            return ""
        }
        switch option {
        case 1:
            return "None"
        case 2:
            return "!"
        case 3:
            return "!!"
        case 4 :
            return "!!!"
        default:
            return ""
        }
    }
    row.configuration.cell.appearance = ["titleLabel.font": UIFont.systemFont(ofSize: 20), "segmentedControl.tintColor": UIColor.orange]
    section4.rows.append(row)
  

• picker

    let section5 = FormSectionDescriptor(headerTitle: nil, footerTitle: nil)
    row = FormRowDescriptor(tag: Static.PickerTag, type: .picker, title: "Picker")
    row.configuration.cell.showsInputToolbar = true
    row.configuration.selection.options = ["F", "M", "Other"] as [AnyObject]
    row.configuration.selection.optionTitleClosure = { value in
        guard let option = value as? String else {
            return ""
        }
        switch option {
        case "F":
            return "Female"
        case "M":
            return "Male"
        case "Other":
            return "Other"
        default:
            return ""
        }
    }
    row.value = "M" as AnyObject
    section5.rows.append(row)
  

  row.configuration.cell.showsInputToolbar = true 显示完成
  row.value = "M" as AnyObject 给一个默认的初始值

• multipleSelector 多选

     row = FormRowDescriptor(tag: Static.SelectorTag, type: .multipleSelector, title: "Selector")
    row.configuration.selection.allowsMultipleSelection = true
    row.configuration.selection.options = [0, 1, 2, 3, 4] as [AnyObject]
    row.configuration.selection.optionTitleClosure = { value in
        guard let option = value as? Int else {
            return ""
        }
        switch option {
        case 0:
            return "Aaaa"
        case 1:
            return "Bbbb"
        case 2:
            return "Cccc"
        case 3:
            return "Dddd"
        case 4:
            return "Ffff"
        default:
            return ""
        }
    }
    row.value = [0, 1] as AnyObject
    section5.rows.append(row)
  

• stepper

     let section6 = FormSectionDescriptor(headerTitle: nil, footerTitle: nil)
    row = FormRowDescriptor(tag: Static.StepperTag, type: .stepper, title: "Stepper")
    row.configuration.stepper.maximumValue = 200.0
    row.configuration.stepper.minimumValue = 20.0
    row.configuration.stepper.steps = 20
    section6.rows.append(row)
  

• slider

     row = FormRowDescriptor(tag: Static.SliderTag, type: .slider, title: "Slider")
    row.configuration.stepper.maximumValue = 100.0
    row.configuration.stepper.minimumValue = 0.0
    row.configuration.stepper.steps = 10
    row.value = 50 as AnyObject
    section6.rows.append(row)
  

• multilineText 多行文本框

    let section7 = FormSectionDescriptor(headerTitle: "TEXTVIEW", footerTitle: nil)
    row = FormRowDescriptor(tag: Static.TextViewTag, type: .multilineText, title: "NOTE")
    section7.rows.append(row)
  

• button

    let section8 = FormSectionDescriptor(headerTitle: nil, footerTitle: nil)
    row = FormRowDescriptor(tag: Static.ButtonTag, type: .button, title: "End Editing")
    row.configuration.button.didSelectClosure = { _ in
        self.view.endEditing(true)
    }
    section8.rows.append(row)
  

  最后：

    form.sections = [section1, section2, section3, section4, section5, section6, section7, section8]
    self.form = form
  

这是最主要使用的几种，如果不能满足，可自定义；