Question

所以，我想使用任何库生成PDF文件而不用。我能够创建一些文本，但是如何添加超链接呢？例如，我有这个块：

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Res0 - 字体资源的名称。我应该添加什么来创建超链接？

Answer 1

以下内容取自我在评论中提供的link。

以下行（写为html）

Here is some text <a href="http://www.w3.org/WAI/"> with a link </a> inside.

可以用PDF表示

 /P <</MCID 0>>                                                %Marked Content Sequence 0 (paragraph)
  BDC                                                          %Begin marked content sequence
   BT                                                          %Begin text object
    /F1 11.04 Tf                                               %set text font and size
    1 0 0 1 72.024 709.54 Tm                                   %set text matrix
    0 g                                                        %set non stroking color to black
    0 G                                                        %set stroke color to black
   [(H)3(ere )-4(is s)10(o)5(m)-4(e)9( t)-3(e)9(xt)-3( )] TJ   %Show text preceding the link" Here is some text"
   ET                                                          %end text object
  EMC                                                          %end marked content sequence

 /Span <</MCID 1>>                                             %Marked Content Sequence 1 (underlined link text)
  BDC                                                          %Begin marked content sequence
   BT                                                          %Begin text object
    1 0 0 1 152.42 709.54 Tm                                   %set text matrix
    0 0 1 rg                                                   %set non-stroking color to blue
    0 0 1 RG                                                   %set stroke color to blue
    [(with a )-2(li)3(n)14(k)] TJ                              %Show link text " with a link"
   ET                                                          %end text object
    0 0 1 rg                                                   %set stroke color to blue
    152.42 707.62 45.984 0.72 re                               %rectangle operator - target area for the link
    f*                                                         %fill the path using the even-odd rule
  EMC                                                          %end marked content sequence

 /P <</MCID 2>>                                                %Marked Content Sequence 2 (paragraph)
  BDC                                                          %Begin marked content sequence
   BT                                                          %begin text object
    1 0 0 1 198.41 709.54 Tm                                   %set text matrix                                            
    0 g                                                        %set non stroking color to black
    0 G                                                        %set stroke color to black
    [( )] TJ                                                   %empty text string showing white space
   ET                                                          %end text object
   BT                                                          %begin text object
    1 0 0 1 200.93 709.54 Tm                                   %set text matrix
    [(in)5(sid)5(e.)] TJ                                       %show text following the link "inside."
   ET                                                          %end text
   BT                                                          %begin text object
    1 0 0 1 229.97 709.54 Tm                                   %set text matrix
    [( )] TJ                                                   %empty text string showing white space
   ET                                                          %end text object
  EMC                                                          %end marked content sequence

并将逻辑添加到链接使用

 11 0 obj                                              %Object ID 11, generation   0, obj keyword
  <</K[1                                               %immediate child of the structure tree root
   <<
    /Obj 26 0 R                                        %reference to Object 26
    /Type/OBJR                                         %this object describes an indirect object reference
   >>]
    /P 12 0 R
    /Pg 17 0 R
    /S/Link
  >>
 endobj

 26 0 obj                                              %object ID 26 which is referenced by the OBJR in Object 11
  <</A 31 0 R
   /BS
   <</S/S
     /Type/Border
     /W 0
   >>
   /Border[0 0 0]                                      %a colorless border
   /H/I
   /Rect[150.128 694.558 200.551 720.0]                %the boundaries defining target area where link annotation is active
   /StructParent 1
   /Type/Annot                                         %Structure element is an annotation
   /Subtype/Link
  >>                                                   %It is a link annotation                                                 
 endobj     
 31 0 obj                                              %Object 31, gen 0, obj
  <</S/URI                                             %Object type is URI action
    /URI(http://www.w3.org/WAI)                        %The Uniform resource identifier to resolve
  >>   
 endobj

添加PDF的超链接（pdf specefication）

1 个答案: