java 保存网页为图片格式_java抓取整个网页作为图片，进行保存为png格式.并通过阿里邮件定时进行发送到指定邮箱并抄送（开发环境macosx10.13.4+eclipse+jdk1.7）...

第一步:实现网页截屏

1. 下载phantomjs,用于实现网页的截屏。

我这里提供百度云的下载地址,包括linux32位以及64位,macosx和windows版本。

链接:https://pan.baidu.com/s/1rkgT8NgbRDN5_lNJlnIhMg  密码:3afb

2.解压文件编写java测试类

package com.jq;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.List;

public class RobotExp6 {

public static void main(String[] args) throws IOException {

String s=getPictureByURL("http://www.iconfont.cn/plus","1");

String s2=getPictureByURL("https://www.baidu.com/","2");

List list = new ArrayList();

list.add(s);

list.add(s2);

for(int i = 0 ; i < list.size() ; i++) {

System.out.println(list.get(i));

}

}

public static String getPictureByURL(String url,String image){

String imageUrl="/Users/用户名/Desktop/"+image+".png";//生成图片的路径位置

String BLANK = "  ";

Process process = null;

try {

process = Runtime.getRuntime().exec(

"/Users/用户名/Downloads/phantomjs-2.1.1-macosx/bin/phantomjs" + BLANK //你的phantomjs路径

+ "/Users/用户名/Desktop/screenshot.js" + BLANK //就是上文中那段javascript脚本的存放路径，在这个js里面可以修改抓取网页的大小

+ url.trim() + BLANK //你的目标url地址

+ imageUrl);

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

InputStream inputStream = process.getInputStream();

BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));

String tmp = "";

try {

while ((tmp = reader.readLine()) != null) {

if (reader != null) {

reader.close();

}

if (process != null) {

process.destroy();

process = null;

}

System.out.println("图片生成成功...");

break;

}

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return imageUrl;

}

}

第二步:实现邮件的发送

下载activation.jar  mail.jar

链接:https://pan.baidu.com/s/1WcnyPbH7fyhOlP-SdJwssg  密码:yo2i

package com.util;

import java.io.UnsupportedEncodingException;

import java.security.GeneralSecurityException;

import java.util.ArrayList;

import java.util.List;

import java.util.Properties;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.mail.BodyPart;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Multipart;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.AddressException;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;

import javax.mail.internet.MimeUtility;

//阿里企业邮箱进行发送邮件

public class SendEmail6

{

public static void main(String[] args) throws MessagingException, UnsupportedEncodingException {

{

Properties prop=new Properties();

prop.put("mail.host","smtp.~.com" );//设置邮件服务器主机名

prop.put("mail.transport.protocol", "smtp");//发送邮件协议名称

prop.put("mail.smtp.auth", "true");//发送服务器需要身份验证

Session session=Session.getInstance(prop);

session.setDebug(true);//开启debug调试

//连接邮件服务器

Transport ts=session.getTransport();

ts.connect("****@~.com", "密码");  //登录的账户名和密码

Message msg=createSimpleMail(session);//创建邮件对象

ts.sendMessage(msg, msg.getAllRecipients());

}

}

public static MimeMessage createSimpleMail(Session session) throws AddressException,MessagingException, UnsupportedEncodingException{

MimeMessage mm=new MimeMessage(session);

mm.setFrom(new InternetAddress("邮箱")); //设置发件人

mm.setRecipient(Message.RecipientType.TO, new InternetAddress("邮箱地址")); //设置收件人

mm.setRecipient(Message.RecipientType.CC, new InternetAddress("抄送人邮箱地址")); //设置抄送人

mm.setSubject("主题!");

// 设置正文

BodyPart bp = new MimeBodyPart();

String mailBody = "请查收";

Multipart mp = new MimeMultipart(); ;   // Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象

bp.setContent(mailBody, "text/html;charset=utf-8");

mp.addBodyPart(bp);

//设置图片生成的路径

List list = new ArrayList();

list.add("/Users/~/Desktop/1.png");

list.add("/Users/·/Desktop/2.png");

for(int i = 0 ; i < list.size() ; i++) {

System.out.println(list.get(i));

}

// 设置附件

if (list != null && list.size() > 0) {

for(int i = 0 ; i < list.size() ; i++) {

bp = new MimeBodyPart();

FileDataSource fds = new FileDataSource(list.get(i));

bp.setDataHandler(new DataHandler(fds));

bp.setFileName(MimeUtility.encodeText(fds.getName(), "UTF-8", "B"));

mp.addBodyPart(bp);

}

}

mm.setContent(mp);

mm.saveChanges();

return mm;

}

}