PhantomJS 服务端仿浏览器截图

phantomjs.exe rasterize.js https://www.baidu.com/ test.png

"use strict";
var page = require('webpage').create(),
  system = require('system');
/*
用法：
1. 默认使用方法为（两个参数）： phantomjs.exe + rasterize.js + 链接url + 截图保存位置
2. （七个参数）： phantomjs.exe + rasterize.js + 链接url + 截图保存位置 + X轴 + Y轴 + 宽 + 高
*/

page.viewportSize = {
  width: 600,
  height: 600
};
page.clipRect = {
  top: 0,
  left: 0,
  width: 600,
  height: 600
};
var address = system.args[1];
var output = system.args[2];
var clipRect;

if (system.args.length > 3) {
  var x = parseInt(system.args[3]);
  var y = parseInt(system.args[4]);
  var width = parseInt(system.args[5]);
  var height = parseInt(system.args[6]);
  page.viewportSize = {
    width: width,
    height: height
  };
  clipRect = {
    top: y,
    left: x,
    width: width,
    height: height
  };
}

page.open(address, function (status) {
  if (status !== 'success') {
    console.log('Unable to load the address!');
    phantom.exit(1);
  } else {
    window.setTimeout(function () {
      page.clipRect = clipRect;
      page.render(output);
      phantom.exit();
    }, 200);
  }
});

package com.team.utils;

import lombok.extern.slf4j.Slf4j;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

/**
 * Created by tao.
 * Date: 2022/1/24 16:56
 * 描述: 根据网页地址转换成图片
 */

@Component
@Slf4j
public class ScreenshotUtil {
    public static String phantomjsPath;

    @Value("${phantomjs}")
    public void setPhantomjs(String phantomjs) {
        phantomjsPath = phantomjs;
    }

    public static String path;

    @Value("${file.windows.path}")
    public void setPath(String p) {
        path = p;
    }

    private static String BLANK = " ";
    // 下面内容可以在配置文件中配置

    // 执行cmd命令
    public static String cmd(String imgagePath, String url, String width, String height) {
        String binPath = phantomjsPath + "bin/phantomjs.exe";// 插件引入地址
        String jsPath = phantomjsPath + "examples/rasterize.js";// js引入地址
        // return binPath + BLANK + jsPath + BLANK + url + BLANK + imgagePath;
        return binPath + BLANK + jsPath + BLANK + url + BLANK + imgagePath + BLANK + "0" + BLANK + "0" + BLANK + width + BLANK + height;
    }

    //关闭命令
    public static void close(Process process, BufferedReader bufferedReader) throws IOException {
        if (bufferedReader != null) {
            bufferedReader.close();
        }
        if (process != null) {
            process.destroy();
            process = null;
        }
    }

    /**
     * @param url
     * @throws IOException
     */
    public static String screenshot(String url, String width, String height) throws IOException {
        String tempPath = path;// 图片保存目录
        String imgagePath = tempPath + "缩略图/" + System.currentTimeMillis() + ".png";//图片路径
        System.out.println(imgagePath);
        //Java中使用Runtime和Process类运行外部程序
        Process process = Runtime.getRuntime().exec(cmd(imgagePath, url, width, height));
        InputStream inputStream = process.getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
        String tmp = "";
        while ((tmp = reader.readLine()) != null) {
            close(process, reader);
        }
        System.out.println("url截图成功");
        return imgagePath;
    }
}

 @Test
    public void test() throws Exception {
        String url = "https://www.baidu.com/";//以百度网站首页为例
        ScreenshotUtil.screenshot(url, "400", "300");
    }