nl_tokens: 中文转unicode
pl_tokens: function ( text ) { text = escape ( text . toString ( ) ) . replace ( / \+ / g , "%2B" ) ; var matches = text . match ( / (%([0-9A-F]{2})) / gi ) ; if ( matches ) { for ( var matchid = 0 ; matchid < matches . length ; matchid ++ ) { var code = matches [ matchid ] . substring ( 1 , 3 ) ; if ( parseInt ( code , 16 ) >= 128 ) { text = text . replace ( matches [ matchid ] , '%u00' + code ) ; } } } <mask> = text . replace ( '%25' , '%u0025' ) ; return text ; }