java 添加链接到 pdf-人生就是博尊龙凯时

本文介绍如何使用spire.pdf for java添加普通链接、超文本链接、邮箱链接和文档链接到pdf文档。

import com.spire.pdf.annotations.*;
import com.spire.pdf.graphics.*;
import java.awt.*;
import java.awt.font.textattribute;
import java.awt.geom.point2d;
import java.awt.geom.rectangle2d;
import java.util.hashmap;
public class addlinkstopdf {
    public static void main(string[] args) throws exception {
        //创建pdf文档
        pdfdocument doc = new pdfdocument();
        pdfpagebase page = doc.getpages().add();
        //初始化x,y坐标
        float y = 30;
        float x = 0;
        // 创建一个普通字体
        pdftruetypefont plainfont = new pdftruetypefont(new font("arial unicode ms",font.plain,13),true);
        //创建一个带下划线的字体
        hashmap hm = new hashmap();
        hm.put(textattribute.underline, textattribute.underline_on);
        hm.put(textattribute.size, 13);
        hm.put(textattribute.family, "arial");
        font font = new font(hm);
        pdftruetypefont underlinefont = new pdftruetypefont(font,true);
        //添加简单链接到pdf
        string label = "简单链接： ";
        pdfstringformat format = new pdfstringformat();
        format.setmeasuretrailingspaces(true);
        page.getcanvas().drawstring(label, plainfont, pdfbrushes.getorange(), 0, y,format);
        x = (float)plainfont.measurestring(label,format).getwidth();
        page.getcanvas().drawstring("https://www.e-iceblue.com", underlinefont, pdfbrushes.getblue(), x, y 2);
        y = y   26;
        //添加超文本链接到pdf 
        label= "超文本链接： ";
        page.getcanvas().drawstring(label, plainfont, pdfbrushes.getorange(), 0, y, format);
        x = (float)plainfont.measurestring(label,format).getwidth();
        pdftextweblink weblink = new pdftextweblink();
        weblink.settext("人生就是博尊龙凯时主页");
        weblink.set;
        weblink.setfont(plainfont);
        weblink.setbrush(pdfbrushes.getblue());
        weblink.drawtextweblink(page.getcanvas(), new point2d.float(x, y));
        y= y   26;
        //添加邮箱链接到pdf 
        label = "邮箱链接：  ";
        page.getcanvas().drawstring(label, plainfont, pdfbrushes.getorange(), 0, y, format);
        x = (float)plainfont.measurestring(label, format).getwidth();
        weblink = new pdftextweblink();
        weblink.settext("联系人生就是博尊龙凯时");
        weblink.set;
        weblink.setfont(plainfont);
        weblink.setbrush(pdfbrushes.getblue());
        weblink.drawtextweblink(page.getcanvas(), new point2d.float(x, y));
        y = y   26;
        //添加文档链接到pdf 
        label = "文档链接： ";
        page.getcanvas().drawstring(label, plainfont, pdfbrushes.getorange(), 0, y, format);
        x = (float)plainfont.measurestring(label, format).getwidth();
        page.getcanvas().drawstring("打开文件", plainfont, pdfbrushes.getblue(), x, y, format);
        rectangle2d rect = new rectangle2d.float(x,y 2,60,15);
        pdffilelinkannotation filelinkannotation = new pdffilelinkannotation(rect,"c:\\users\\administrator\\desktop\\image.png");
        filelinkannotation.setborder(new pdfannotationborder(0f));
        ((pdfnewpage) ((page instanceof pdfnewpage) ? page : null)).getannotations().add(filelinkannotation);
        //保存文档
        doc.savetofile("addlinks.pdf");
        doc.close();
    }
}