Form – Aspose FOSS API Reference

Form

Összefoglaló

Form egy típus a Aspose.PDF FOSS-ban, az “Go” kifejezésben.

A formanyomtatvány a dokumentum AcroForm nézetét jelenti.

Ez a típus 13 módszert biztosít a Form objektumokkal való munkavégzéshez a Go programokban. A rendelkezésre álló módszerek közé tartozik: AddCheckbox, AddComboBox, AddListBox, AddPushButton, AddRadioGroup, AddTextField, Field, Fields, Flatten, HasField, NeedAppearances, RemoveField, és 1 további módszer. Minden közönség tagja hozzáférhető bármely Go alkalmazáshoz a Aspose.PDF FOSS for Go csomag telepítése után.

Módszerek

Signature	Description
`Flatten()` → `error`	Flatten bakes every form field’s current appearance into its page’s content stream and then removes all fields, their widgets, and the /AcroForm dict, producing a non-interactive document that renders the same.
`Fields()` → `[]Field`	Fields returns all leaf form fields as a flat slice.
`Field(name: string)` → `Field`	Field returns the leaf field by FullName, or nil if no such field exists.
`HasField(name: string)` → `bool`	HasField reports whether a leaf field with the given FullName exists.
`NeedAppearances()` → `bool`	NeedAppearances reports whether /AcroForm/NeedAppearances is true, which tells viewers to regenerate cached /AP appearance streams when displaying form fields.
`SetNeedAppearances(v: bool)`	SetNeedAppearances toggles /AcroForm/NeedAppearances.
`AddTextField(pageNum: int, rect: Rectangle, name: string)` → `(*TextBoxField, error)`	AddTextField creates a single-line text input on pageNum with the given rectangle and field name, auto-creating /AcroForm and the default Helvetica font resource if needed.
`AddCheckbox(pageNum: int, rect: Rectangle, name: string)` → `(*CheckboxField, error)`	AddCheckbox creates a checkbox widget on pageNum with the given rectangle and field name.
`AddComboBox(pageNum: int, rect: Rectangle, name: string, options: []ChoiceOption)` → `(*ComboBoxField, error)`	AddComboBox creates a single-select dropdown choice field.
`AddListBox(pageNum: int, rect: Rectangle, name: string, options: []ChoiceOption)` → `(*ListBoxField, error)`	AddListBox creates a single-select list field.
`AddPushButton(pageNum: int, rect: Rectangle, name: string, caption: string)` → `(*ButtonField, error)`	AddPushButton creates a non-toggling button.
`AddRadioGroup(name: string, items: []RadioItem)` → `(*RadioButtonField, error)`	AddRadioGroup creates a radio-button parent field plus one widget per item.
`RemoveField(name: string)` → `bool`	RemoveField removes the named field (and all its widget annotations) from /AcroForm/Fields and from each affected page’s /Annots.
`ExportFDF()` → `([]byte, error)`	ExportFDF serialises the form’s field values as an FDF (Forms Data Format) document — a small PDF-syntax file ( `%FDF-1.2` … `/FDF /Fields [ … ]` ) that Acrobat and other readers import.
`WriteFDF(w: io.Writer)` → `error`	WriteFDF writes ExportFDF output to w.
`ImportFDF(data: []byte)` → `(int, error)`	ImportFDF applies field values from an FDF document and returns the number of fields set.
`ReadFDF(r: io.Reader)` → `(int, error)`	ReadFDF reads an FDF document from r and applies it via ImportFDF.
`AddPasswordField(pageNum: int, rect: Rectangle, name: string)` → `(*PasswordBoxField, error)`	AddPasswordField adds a masked text field.
`AddFileSelectField(pageNum: int, rect: Rectangle, name: string)` → `(*FileSelectBoxField, error)`	AddFileSelectField adds a file-select text field.
`AddRichTextField(pageNum: int, rect: Rectangle, name: string)` → `(*RichTextBoxField, error)`	AddRichTextField adds a rich-text field.
`AddNumberField(pageNum: int, rect: Rectangle, name: string, opts: NumberFormatOptions)` → `(*NumberField, error)`	AddNumberField adds a number field formatted per opts.
`AddDateField(pageNum: int, rect: Rectangle, name: string)` → `(*DateField, error)`	AddDateField adds a date field with the given format mask (e.g.
`ExportJSON(opts: ...JSONExportOptions)` → `([]byte, error)`	ExportJSON serialises the form’s field values to a typed JSON document keyed by each field’s full name: `{"name": {"type": "...", "value": ...}}` .
`WriteJSON(w: io.Writer, opts: ...JSONExportOptions)` → `error`	WriteJSON writes ExportJSON output to w.
`ImportJSON(data: []byte)` → `(int, error)`	ImportJSON applies field values from a typed JSON document (the shape ExportJSON produces) and returns the number of fields actually set.
`ReadJSON(r: io.Reader)` → `(int, error)`	ReadJSON reads a JSON document from r and applies it via ImportJSON.
`ExportXFDF()` → `([]byte, error)`	ExportXFDF serialises the form’s field values as an XFDF document.
`WriteXFDF(w: io.Writer)` → `error`	WriteXFDF writes ExportXFDF output to w.
`ImportXFDF(data: []byte)` → `(int, error)`	ImportXFDF applies field values from an XFDF document and returns the number of fields set.
`ReadXFDF(r: io.Reader)` → `(int, error)`	ReadXFDF reads an XFDF document from r and applies it via ImportXFDF.

Lásd még:

Aspose.PDF — Enterprise API Reference