save download pdf

package cn.didisos.sos.fams.controller;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;

public class Test {

    private static  String url ="";
    private static  String outputDict="/Users/shihw/IdeaProjects/rescue2/didisos-fams-server/";
    private static String fileName ="a3.pdf";

    public static void savePdf() throws IOException {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPost httpPost = new HttpPost(url);
        HttpResponse response = null;
        try {
            response = httpClient.execute(httpPost);
        } catch (IOException e) {
            e.printStackTrace();
        }
        HttpEntity entity = response.getEntity();

        if (entity != null && response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            InputStream inputStream = entity.getContent();
            // 保存PDF文件
            FileOutputStream fileOutputStream = new FileOutputStream(new File(outputDict + fileName));
            byte[] buffer = new byte[1024];    int len;
            while ((len = inputStream.read(buffer)) != -1) {
                fileOutputStream.write(buffer, 0, len);    }
            fileOutputStream.close();
            inputStream.close();}
           httpClient.close();

    }

    public static void  downLoadPdf(String urlStr,String fileName,String savePath) throws IOException{
        URL url = new URL(urlStr);
        HttpURLConnection conn = (HttpURLConnection)url.openConnection();
        conn.setConnectTimeout(5*1000);
        conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");
        InputStream inputStream = conn.getInputStream();
        byte[] getData = readInputStream(inputStream);
        File saveDir = new File(savePath);
        if(!saveDir.exists()){
            saveDir.mkdir();
        }
        File file = new File(saveDir+File.separator+fileName);
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(file);
        }catch (Exception ex){
            System.out.println(ex.getMessage());
        }
        fos.write(getData);
        if(fos!=null){
            fos.close();
        }
        if(inputStream!=null){
            inputStream.close();
        }
        System.out.println("info:"+url+" download success");
    }

    public static  byte[] readInputStream(InputStream inputStream) throws IOException {
        byte[] buffer = new byte[1024];
        int len = 0;
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        while((len = inputStream.read(buffer)) != -1) {
            bos.write(buffer, 0, len);
        }
        bos.close();
        return bos.toByteArray();
    }

    public static void main(String[] args) {
        try{ downLoadPdf(url, fileName,outputDict);

            //savePdf();
        }catch (Exception e) {

        }
    }

    public static void main11(String[] args) {
        try (InputStream inputStream = new URL(url).openStream();
             OutputStream outputStream = new FileOutputStream(outputDict)) {

            byte[] buffer = new byte[4096];
            int bytesRead;

            while ((bytesRead = inputStream.read(buffer)) != -1) {
                outputStream.write(buffer, 0, bytesRead);
            }

            System.out.println("PDF文件已经被保存至: " + outputDict);

        } catch (IOException e) {
            e.printStackTrace();
        }
    }



    /*public static void main2(String[] args) throws IOException {
        URL url = new URL(url);
        URLConnection connection = url.openConnection();
        try (BufferedInputStream in = new BufferedInputStream(connection.getInputStream());
             ByteArrayOutputStream out = new ByteArrayOutputStream()) {
            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = in.read(buffer)) != -1) {
                out.write(buffer, 0, bytesRead);
            }
            byte[] pdfBytes = out.toByteArray();

            *//*PDDocument document = PDDocument.load(pdfBytes);
            PDFTextStripper stripper = new PDFTextStripper();
            String text = stripper.getText(document);
            System.out.println(text);

            document.close();*//*
        }
    }*/
}

package cn.didisos.sos.fams.controller;

import cn.didisos.sos.fams.common.util.DateUtil;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.time.LocalDate;
import java.time.temporal.WeekFields;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

public class TestPdf {

    private static  String url ="http://fy.hgcyberdata.com:10804/hgmes/steel/common/download/%E6%B5%8B%E8%AF%95-20240730151158.pdf?_t=1722323940&fileTypeId=1731574960262987777";
    private static  String outputDict="/Users/shihw/IdeaProjects/rescue2/didisos-fams-server/";
    private static String fileName ="a3.pdf";

    public static void main(String[] args) {
        /*try{
            downLoadPdf(url, fileName,outputDict);
        }catch (Exception e) {
            System.out.println("err:" + e.getMessage());
        }*/

        WeekFields wf =  WeekFields.of(Locale.getDefault());
        LocalDate locale = LocalDate.now();
        int weekNumber = locale.get(wf.weekOfWeekBasedYear());
        for(int i=1;i<=5;i++){
            Calendar calendar = Calendar.getInstance();
            calendar.set(Calendar.DAY_OF_WEEK,calendar.getFirstDayOfWeek());
            calendar.set(Calendar.WEEK_OF_YEAR, weekNumber-i);
            Date beginDate  =  calendar.getTime();
            calendar.add(Calendar.DAY_OF_WEEK,6);
            Date endDate  =  calendar.getTime();
            //数据库根据开始日期结束日期查询
            //select sum(*) from table_日记录表 where 日期>=beginDate and 日期<=endDate;
            System.out.println("第" + (weekNumber-i) +  "周,开始日期:" + DateUtil.formatDate(beginDate)  + ",结束日期:" + DateUtil.formatDate(endDate));
        }

    }

    public static void  downLoadPdf(String urlStr,String fileName,String savePath) throws IOException{
        URL url = new URL(urlStr);
        HttpURLConnection conn = (HttpURLConnection)url.openConnection();
        conn.setConnectTimeout(5*1000);
        conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");
        InputStream inputStream = conn.getInputStream();
        byte[] getData = readInputStream(inputStream);
        File saveDir = new File(savePath);
        if(!saveDir.exists()){
            saveDir.mkdir();
        }
        File file = new File(saveDir+File.separator+fileName);
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(file);
        }catch (Exception ex){
            System.out.println(ex.getMessage());
        }
        fos.write(getData);
        if(fos!=null){
            fos.close();
        }
        if(inputStream!=null){
            inputStream.close();
        }
        System.out.println("info:"+url+" download success");
    }

    public static  byte[] readInputStream(InputStream inputStream) throws IOException {
        byte[] buffer = new byte[1024];
        int len = 0;
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        while((len = inputStream.read(buffer)) != -1) {
            bos.write(buffer, 0, len);
        }
        bos.close();
        return bos.toByteArray();
    }


}