selenium+ChromeDriver
解决中文方块问题

yum groupinstall "X Window System" -y  

yum -y groupinstall chinese-support  

yum -y groupinstall Fonts  

实现代码

package com.doumob.html2image.utils;

import com.doumob.html2image.dto.IndexDTO;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.openqa.selenium.*;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @Author: wangzhiguo
 * @Date: 2019/11/18 14:02
 */
@Slf4j
public class ChromeUtils {

    private static String chromeDriverPathLinux="/usr/local/bin/";
    private static String chromeDriverPathWindows="D:\\html_to_image\\chromedriver_win32\\";

    public static void chromeToImage(List<IndexDTO> dtos) throws IOException, InterruptedException {
        String chromeDriverPath = "";
        if(System.getProperty("os.name").indexOf("Windows") == -1){
            chromeDriverPath=chromeDriverPathLinux;
        }else {
            chromeDriverPath=chromeDriverPathWindows;

        }
        ChromeOptions chromeOptions = initOptions(chromeDriverPath);
        WebDriver driver = new ChromeDriver(chromeOptions);
        driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
        driver.manage().timeouts().pageLoadTimeout(20, TimeUnit.SECONDS);
        String destPath = chromeDriverPath+"images";
        File file = new File(destPath);
        File parent = file.getParentFile();
        if(!parent.exists()){
            parent.mkdirs();
        }
        for(IndexDTO dto:dtos){
            if(dto.getUrlPath().startsWith("http")){
                System.out.println(dto.getId()+" ------------- "+dto.getUrlPath());
                driver.manage().window().setSize(new Dimension(375, 621));
                driver.get(dto.getUrlPath());
                TimeUnit.SECONDS.sleep(2);
                JavascriptExecutor driverJs= ((JavascriptExecutor) driver);
                Object oWidth = driverJs.executeScript("return Math.max(document.body.scrollWidth==null?0:document.body.scrollWidth, document.body.offsetWidth==null?0:document.body.offsetWidth, document.documentElement.clientWidth==null?0:document.documentElement.clientWidth, document.documentElement.scrollWidth==null?0:document.documentElement.scrollWidth==null, document.documentElement.offsetWidth==null?0:document.documentElement.offsetWidth);");
                Object oHeight = driverJs.executeScript("return Math.max(document.body.scrollHeight==null?0:document.body.scrollHeight, document.body.offsetHeight==null?0:document.body.offsetHeight, document.documentElement.clientHeight==null?0:document.documentElement.clientHeight, document.documentElement.scrollHeight==null?0:document.documentElement.scrollHeight, document.documentElement.offsetHeight==null?0:document.documentElement.offsetHeight);");
                Long width = (Long) oWidth;
                Long height = (Long)oHeight;
                System.out.println(dto.getId()+"-----"+width+"-----"+height);
                driver.manage().window().setSize(new Dimension(width.intValue(), height.intValue()));
                try {
                    WebElement element = driver.findElement(By.tagName("body"));
                    File screenshot = element.getScreenshotAs(OutputType.FILE);
                    FileUtils.copyFile(screenshot, new File(destPath + File.separator + dto.getId() + ".png"));
                }catch (Exception e){
                    log.error("生成图片失败，id:{},url:{}",dto.getId(),dto.getUrlPath());
                }
            }
        }
        driver.quit();
    }

    private static ChromeOptions initOptions(String chromeDriverPath) {
        if(System.getProperty("os.name").indexOf("Windows") == -1){
            chromeDriverPath=chromeDriverPath+"chromedriver";
        }else {
            chromeDriverPath=chromeDriverPath+"chromedriver.exe";

        }
        System.out.println(chromeDriverPath);
        System.setProperty("webdriver.chrome.driver", chromeDriverPath);
        ChromeOptions options = new ChromeOptions();
        List<String> arguments = new ArrayList<>();
        arguments.add("--headless");
        arguments.add("--disable-gpu");
        arguments.add("--ignore-certificate-errors");
        arguments.add("--disable-features=VizDisplayCompositor");
        arguments.add("--silent");
        arguments.add("--incognito");
        arguments.add("enable-automation");
        arguments.add("--no-sandbox");
        arguments.add("--window-size=774,1393");
        arguments.add("--disable-extensions");
        arguments.add("--dns-prefetch-disable");
        options.setPageLoadStrategy(PageLoadStrategy.NORMAL);
        options.addArguments(arguments);

        return options;
    }

    public static void main(String[] args) throws IOException, InterruptedException {
        List<IndexDTO> dtos = new ArrayList<>();
        dtos.add(new IndexDTO(6486L,"https://nobug.doumob.cn/static/3dzhuanpan5/index.html"));
        chromeToImage(dtos);
    }


}