import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.Ellipse2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Hashtable;
import javax.imageio.ImageIO;
import javax.imageio.stream.ImageOutputStream;
import org.apache.log4j.Logger;
import com.aliyun.oss.OSSClient;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
public class QrCodeUtil {
/**
* 二維碼圖片的生成
* @param content 鏈接
* @param qrcode_width 二維碼寬
* @param qrcode_height 二維碼高
* @return
* @throws Exception
*/
public static BufferedImage createImage(String content, int qrcode_width, int qrcode_height) throws Exception {
Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
hints.put(EncodeHintType.MARGIN, 0);
BitMatrix bitMatrix = new MultiFormatWriter().encode(content,
BarcodeFormat.QR_CODE, qrcode_width, qrcode_height, hints);
int width = bitMatrix.getWidth();
int height = bitMatrix.getHeight();
BufferedImage image = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
/*背景色,默認黑色 0xFF000000*/
/*前景色，默認白色 0xFFFFFFFF*/
/*前景色，默認黃色 0xFFffe400*/
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000
: 0xFFffe400);
}
}
return image;
}
// 從服務器獲得一個輸入流(本例是指從服務器獲得一個image輸入流)
public static InputStream getInputStream(String URL_PATH) {
InputStream inputStream = null;
HttpURLConnection httpURLConnection = null;
try {
URL url = new URL(URL_PATH);
httpURLConnection = (HttpURLConnection) url.openConnection();
// 設置網絡連接超時時間
httpURLConnection.setConnectTimeout(3000);
// 設置應用程序要從網絡連接讀取數據
httpURLConnection.setDoInput(true);
httpURLConnection.setRequestMethod("GET");
int responseCode = httpURLConnection.getResponseCode();
if (responseCode == 200) {
// 從服務器返回一個輸入流
inputStream = httpURLConnection.getInputStream();
}
}catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return inputStream;
}
/**
* 縮小Image，此方法返回源圖像按給定寬度、高度限制下縮放後的圖像
* @param inputImage
* @param maxWidth：壓縮後寬度
* @param maxHeight：壓縮後高度
* @throws java.io.IOException
* return
*/
public static BufferedImage scaleByPercentage(BufferedImage inputImage, int newWidth, int newHeight) throws Exception {
//獲取原始圖像透明度類型
int type = inputImage.getColorModel().getTransparency();
int width = inputImage.getWidth();
int height = inputImage.getHeight();
//開啓抗鋸齒
RenderingHints renderingHints=new RenderingHints(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
//使用高質量壓縮
renderingHints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
BufferedImage img = new BufferedImage(newWidth, newHeight, type);
Graphics2D graphics2d =img.createGraphics();
graphics2d.setRenderingHints(renderingHints);
graphics2d.drawImage(inputImage, 0, 0, newWidth, newHeight, 0, 0, width, height, null);
graphics2d.dispose();
return img;
}
/**
* 變爲圓形
* 傳入的圖像必須是正方形的 纔會 圓形 如果是長方形的比例則會變成橢圓的
* @param bi1 用戶頭像
* @return
* @throws IOException
*/
public static BufferedImage convertCircular(BufferedImage bi1) throws IOException{
//這種是黑色底的
//BufferedImage bi2 = new BufferedImage(bi1.getWidth(),bi1.getHeight(),BufferedImage.TYPE_INT_RGB);
//透明底的圖片
BufferedImage bi2 = new BufferedImage(bi1.getWidth(),bi1.getHeight(),BufferedImage.TYPE_4BYTE_ABGR);
Ellipse2D.Double shape = new Ellipse2D.Double(0,0,bi1.getWidth(),bi1.getHeight());
Graphics2D g = bi2.createGraphics();
g.setClip(shape);
// 使用 setRenderingHint 設置抗鋸齒
// 設置“抗鋸齒”的屬性
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g.drawImage(bi1,0,0,null);
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP));
//設置顏色
g.setBackground(Color.WHITE);
g.dispose();
return bi2;
}
/**
* 指定位置合併圖片
* @param imgNew
* @param x 相對背景圖片的X軸
* @param y 相對背景圖片的Y軸
* @return
*/
public static BufferedImage compositeTwoImg(BufferedImage imgNew,int x,int y) {
try {
BufferedImage headImage = imgNew;
InputStream inputStream = getInputStream("http://xiaovapppic.xiaovka.com/ein/tinymall/sao/1104.jpg");
BufferedImage back = ImageIO.read(inputStream);
// 畫圖
Graphics2D g = back.createGraphics();
g.setColor(Color.black);
//畫二維碼
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,0.9f));
g.drawImage(headImage, 558, 210, 100, 100, null);
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,1f));
g.dispose();
back.flush();
return back;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
public static BufferedImage compositeImage(String url, int startX, int startY, int codeWidth, int codeHeight) {
try {
// 二維碼圖片
BufferedImage headImage = createImage(url,500, 500);
BufferedImage compositeTwoImg = compositeTwoImg(headImage,startX,startY);
return compositeTwoImg;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
// 測試代碼，線上註釋掉
public static void main(String[] args) throws Exception {
// String path1 = "C:\\image\\Downloads\\";
// String formatName = "12.png";
String url = "https:www.baidu.com";
BufferedImage compositeImage = compositeImage(url,0,0,0,0);
// BufferedImage compositeImage = createImage(url,500,500);
// ImageIO.write(compositeImage, "png", new File(path1+formatName));
ByteArrayOutputStream bs = new ByteArrayOutputStream();
ImageOutputStream imOut = ImageIO.createImageOutputStream(bs);
ImageIO.write(compositeImage, "png", imOut);
InputStream is = new ByteArrayInputStream(bs.toByteArray());
Integer available = is.available();
Long size = available.longValue();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
String fileName = sdf.format(new Date())+"001";
//初始化OSSClient
OSSClient ossClient=AliyunOSSClientUtil.getOSSClient();
String md5key = AliyunOSSClientUtil.uploadObject2OSS(ossClient,is,fileName+".png",size,OSSClientConstants.BACKET_NAME,OSSClientConstants.FOLDER);
Logger.getLogger(QrCodeUtil.class).info("上傳後的文件MD5數字唯一簽名:" + md5key);
System.out.println("圖片鏈接："+OSSClientConstants.IMAGE_URL+fileName+".png");
}
}
package cnxiaov.util;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import org.apache.log4j.Logger;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.model.Bucket;
import com.aliyun.oss.model.OSSObject;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectResult;
/**
* java使用阿里雲OSS存儲對象上傳圖片
*
*/
public class AliyunOSSClientUtil {
//log日誌
private static Logger logger = Logger.getLogger(AliyunOSSClientUtil.class);
//阿里雲API的內或外網域名
private static String ENDPOINT;
//阿里雲API的密鑰Access Key ID
private static String ACCESS_KEY_ID;
//阿里雲API的密鑰Access Key Secret
private static String ACCESS_KEY_SECRET;
//阿里雲API的bucket名稱
private static String BACKET_NAME;
//阿里雲API的文件夾名稱
private static String FOLDER;
//初始化屬性
static{
ENDPOINT = OSSClientConstants.ENDPOINT;
ACCESS_KEY_ID = OSSClientConstants.ACCESS_KEY_ID;
ACCESS_KEY_SECRET = OSSClientConstants.ACCESS_KEY_SECRET;
BACKET_NAME = OSSClientConstants.BACKET_NAME;
FOLDER = OSSClientConstants.FOLDER;
}
/**
* 獲取阿里雲OSS客戶端對象
* @return ossClient
*/
public static OSSClient getOSSClient(){
return new OSSClient(ENDPOINT,ACCESS_KEY_ID, ACCESS_KEY_SECRET);
}
/**
* 創建存儲空間
* @param ossClient OSS連接
* @param bucketName 存儲空間
* @return
*/
public static String createBucketName(OSSClient ossClient,String bucketName){
//存儲空間
final String bucketNames=bucketName;
if(!ossClient.doesBucketExist(bucketName)){
//創建存儲空間
Bucket bucket=ossClient.createBucket(bucketName);
logger.info("創建存儲空間成功");
return bucket.getName();
}
return bucketNames;
}
/**
* 刪除存儲空間buckName
* @param ossClient oss對象
* @param bucketName 存儲空間
*/
public static void deleteBucket(OSSClient ossClient, String bucketName){
ossClient.deleteBucket(bucketName);
logger.info("刪除" + bucketName + "Bucket成功");
}
/**
* 創建模擬文件夾
* @param ossClient oss連接
* @param bucketName 存儲空間
* @param folder 模擬文件夾名如"qj_nanjing/"
* @return 文件夾名
*/
public static String createFolder(OSSClient ossClient,String bucketName,String folder){
//文件夾名
final String keySuffixWithSlash =folder;
//判斷文件夾是否存在，不存在則創建
if(!ossClient.doesObjectExist(bucketName, keySuffixWithSlash)){
//創建文件夾
ossClient.putObject(bucketName, keySuffixWithSlash, new ByteArrayInputStream(new byte[0]));
logger.info("創建文件夾成功");
//得到文件夾名
OSSObject object = ossClient.getObject(bucketName, keySuffixWithSlash);
String fileDir=object.getKey();
return fileDir;
}
return keySuffixWithSlash;
}
/**
* 根據key刪除OSS服務器上的文件
* @param ossClient oss連接
* @param bucketName 存儲空間
* @param folder 模擬文件夾名 如"qj_nanjing/"
* @param key Bucket下的文件的路徑名+文件名 如："upload/cake.jpg"
*/
public static void deleteFile(OSSClient ossClient, String bucketName, String folder, String key){
ossClient.deleteObject(bucketName, folder + key);
logger.info("刪除" + bucketName + "下的文件" + folder + key + "成功");
}
/**
* 上傳圖片至OSS
* @param ossClient oss連接
* @param file 上傳文件（文件全路徑如：D:\\image\\cake.jpg）
* @param bucketName 存儲空間
* @param folder 模擬文件夾名 如"qj_nanjing/"
* @return String 返回的唯一MD5數字簽名
* */
public static String uploadObject2OSS(OSSClient ossClient, InputStream is,String fileName,Long fileSize, String bucketName, String folder) {
String resultStr = null;
try {
//以輸入流的形式上傳文件
// InputStream is = new FileInputStream(file);
//文件名
// String fileName = file.getName();
//文件大小
// Long fileSize = file.length();
//創建上傳Object的Metadata
ObjectMetadata metadata = new ObjectMetadata();
//上傳的文件的長度
metadata.setContentLength(is.available());
//指定該Object被下載時的網頁的緩存行爲
metadata.setCacheControl("no-cache");
//指定該Object下設置Header
metadata.setHeader("Pragma", "no-cache");
//指定該Object被下載時的內容編碼格式
metadata.setContentEncoding("utf-8");
//文件的MIME，定義文件的類型及網頁編碼，決定瀏覽器將以什麼形式、什麼編碼讀取文件。如果用戶沒有指定則根據Key或文件名的擴展名生成，
//如果沒有擴展名則填默認值application/octet-stream
metadata.setContentType(getContentType(fileName));
//指定該Object被下載時的名稱（指示MINME用戶代理如何顯示附加的文件，打開或下載，及文件名稱）
metadata.setContentDisposition("filename/filesize=" + fileName + "/" + fileSize + "Byte.");
//上傳文件 (上傳文件流的形式)
PutObjectResult putResult = ossClient.putObject(bucketName, folder + fileName, is, metadata);
//解析結果
resultStr = putResult.getETag();
} catch (Exception e) {
e.printStackTrace();
logger.error("上傳阿里雲OSS服務器異常." + e.getMessage(), e);
}
return resultStr;
}
/**
* 通過文件名判斷並獲取OSS服務文件上傳時文件的contentType
* @param fileName 文件名
* @return 文件的contentType
*/
public static String getContentType(String fileName){
//文件的後綴名
String fileExtension = fileName.substring(fileName.lastIndexOf("."));
if(".bmp".equalsIgnoreCase(fileExtension)) {
return "image/bmp";
}
if(".gif".equalsIgnoreCase(fileExtension)) {
return "image/gif";
}
if(".jpeg".equalsIgnoreCase(fileExtension) || ".jpg".equalsIgnoreCase(fileExtension) || ".png".equalsIgnoreCase(fileExtension) ) {
return "image/jpeg";
}
if(".html".equalsIgnoreCase(fileExtension)) {
return "text/html";
}
if(".txt".equalsIgnoreCase(fileExtension)) {
return "text/plain";
}
if(".vsd".equalsIgnoreCase(fileExtension)) {
return "application/vnd.visio";
}
if(".ppt".equalsIgnoreCase(fileExtension) || "pptx".equalsIgnoreCase(fileExtension)) {
return "application/vnd.ms-powerpoint";
}
if(".doc".equalsIgnoreCase(fileExtension) || "docx".equalsIgnoreCase(fileExtension)) {
return "application/msword";
}
if(".xml".equalsIgnoreCase(fileExtension)) {
return "text/xml";
}
//默認返回類型
return "image/jpeg";
}
//測試
public static void main(String[] args) throws FileNotFoundException {
//初始化OSSClient
OSSClient ossClient=AliyunOSSClientUtil.getOSSClient();
//上傳文件
String files="C:\\image\\1111.jpg";
// String files = "C:\\image\\吃完.jpg";
String[] file=files.split(",");
for(String filename:file){
//System.out.println("filename:"+filename);
File filess=new File(filename);
InputStream is = new FileInputStream(filess);
// String md5key = AliyunOSSClientUtil.uploadObject2OSS(ossClient, filess, BACKET_NAME, FOLDER);
String md5key = AliyunOSSClientUtil.uploadObject2OSS(ossClient,is,filess.getName(),filess.length(),OSSClientConstants.BACKET_NAME,OSSClientConstants.FOLDER);
// logger.info("上傳後的文件MD5數字唯一簽名:" + md5key);
//上傳後的文件MD5數字唯一簽名:40F4131427068E08451D37F02021473A
}
}
}
package cnxiaov.util;
/**
* 阿里雲註冊用戶基本常量
*/
public class OSSClientConstants {
//阿里雲API的外網域名
public static final String ENDPOINT = " ";
//阿里雲API的密鑰Access Key ID
public static final String ACCESS_KEY_ID = " ";
//阿里雲API的密鑰Access Key Secret
public static final String ACCESS_KEY_SECRET = " ";
//阿里雲API的bucket名稱
public static final String BACKET_NAME = "";
//阿里雲API的文件夾名稱
public static final String FOLDER="appQrCode/";
//域名/appQrCode/1010.jpg
public static final String IMAGE_URL=域名/appQrCode/";
}