在form表单前面加上

 

<

script src

=

"

/_layouts/jquery-1.4.1.js

"

 type

=

"

text/javascript

"

><

/

script>

 

<

script type

=

"

text/javascript

"

>

    

function

 changePdfTarget() {

    

if

($(

"

a[href$='.pdf']

"

) 

!=

 

null

 )

    {

        $(

"

a[href$='.pdf']

"

).removeAttr(

"

onclick

"

).attr(

"

target

"

,

"

_blank

"

);

    }

    }

    _spBodyOnLoadFunctionNames.push(

"

changePdfTarget

"

);

    

<

/

script>