版本: 大小:10K
类别:编程开发 时间:2020-07-26
立即下载今天站长给大家带来Java图片下载工具,站长最近从网上找了一批美女图片的资源,不过这些被打包成CVS文件,但是站长觉得处理CVS有点麻烦,想想还是处理txt比较简单。下面就是使用Java下载图片方法啦。不过这个代码有个小问题,就是我使用的文件名都是jpg。不过图片都是公用的,没什么关系,如果是想要下载其它图片格式的话,就需要先获取后缀名哦。
Java代码
import java.io.BufferedReader; import java.io.ByteArrayOutputStream; import java.io.DataInputStream; import java.io.File; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import java.util.regex.Matcher; import java.util.regex.Pattern; public class main { public static void main(String[] args) { String path = "d:/tt/pic/"; String piclist = "d:/tt/pic_data.txt"; File file = new File(piclist); // String outfile = "d:/tt/outfile.txt"; try { FileReader fr = new FileReader(file); BufferedReader br = new BufferedReader(fr); // BufferedWriter bw = new BufferedWriter(new FileWriter(new File(outfile))); String line = null; int i = 1; Pattern p = Pattern.compile("http:.*?\\.(jpg|png|gif|jpeg)"); while ((line = br.readLine()) != null) { if (checkurl(line)) { Matcher m = p.matcher(line); if (m.find()) { System.out.println("第" + i + "张:" + m.group(0)); downloadPicture(m.group(0), path + i + ".jpg"); i = i + 1; } } } System.out.println(i); } catch (IOException e) { e.printStackTrace(); } System.out.println(); } public static boolean checkurl(String string) { if (string.indexOf("http") < 0) { return false; } return true; } private static void downloadPicture(String urlList, String path) { URL url = null; try { url = new URL(urlList); DataInputStream dataInputStream = new DataInputStream(url.openStream()); FileOutputStream fileOutputStream = new FileOutputStream(new File(path)); ByteArrayOutputStream output = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int length; while ((length = dataInputStream.read(buffer)) > 0) { output.write(buffer, 0, length); } fileOutputStream.write(output.toByteArray()); dataInputStream.close(); fileOutputStream.close(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }
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