java生成酷炫霸气叼二维码
2024-03-28 21:58:11
java生成二维码
文章目录
- java生成二维码
- pom依赖
- 第一种类型
- 第二种类型
- 完整pom文件
pom依赖
<!--生成二维码依赖--><!-- https://mvnrepository.com/artifact/com.google.zxing/javase --><dependency><groupId>com.google.zxing</groupId><artifactId>javase</artifactId><version>3.3.1</version></dependency><!-- https://mvnrepository.com/artifact/com.google.zxing/core --><dependency><groupId>com.google.zxing</groupId><artifactId>core</artifactId><version>3.3.1</version></dependency><!--生成二维码依赖--><!--生成可定制二维码--><!-- 请注意groupId和github的方式有一些区别哦 --><dependency><groupId>com.github.liuyueyi.quick-media</groupId><artifactId>qrcode-plugin</artifactId><version>2.5</version></dependency><!--生成可定制二维码-->
第一种类型
package com.ims.common.utils;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;import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;import static java.awt.image.ImageObserver.HEIGHT;
import static java.awt.image.ImageObserver.WIDTH;public class QRCodeUtil1 {private static final int BLACK = 0xFF000000;private static final int WHITE = 0xFFFFFFFF;/*** 把生成的二维码存入到图片中* @param matrix zxing包下的二维码类* @return*/public static BufferedImage toBufferedImage(BitMatrix matrix) {int width = matrix.getWidth();int height = matrix.getHeight();BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);for (int x = 0; x < width; x++) {for (int y = 0; y < height; y++) {image.setRGB(x, y, matrix.get(x, y) ? BLACK : WHITE);}}return image;}/*** 生成二维码并写入文件* @param content 扫描二维码的内容* @param format 图片格式 jpg* @param file 文件* @throws Exception*/public static void writeToFile(String content, String format, File file)throws Exception {MultiFormatWriter multiFormatWriter = new MultiFormatWriter();@SuppressWarnings("rawtypes")Map hints = new HashMap();//设置UTF-8， 防止中文乱码hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");//设置二维码四周白色区域的大小hints.put(EncodeHintType.MARGIN,10);//设置二维码的容错性hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);//画二维码BitMatrix bitMatrix = multiFormatWriter.encode(content, BarcodeFormat.QR_CODE, 300, 300, hints);BufferedImage image = toBufferedImage(bitMatrix);if (!ImageIO.write(image, format, file)) {throw new IOException("Could not write an image of format " + format + " to " + file);}}/*** 给二维码图片加上文字* @param pressText 文字* @param qrFile 二维码文件* @param fontStyle* @param color* @param fontSize*/public static void pressText(String pressText, File qrFile, int fontStyle, Color color, int fontSize) throws Exception {pressText = new String(pressText.getBytes(), "utf-8");Image src = ImageIO.read(qrFile);int imageW = src.getWidth(null);int imageH = src.getHeight(null);BufferedImage image = new BufferedImage(imageW, imageH, BufferedImage.TYPE_INT_RGB);Graphics g = image.createGraphics();g.drawImage(src, 0, 0, imageW, imageH, null);//设置画笔的颜色g.setColor(color);//设置字体Font font = new Font("宋体", fontStyle, fontSize);FontMetrics metrics = g.getFontMetrics(font);//文字在图片中的坐标 这里设置在中间
// int startX = (WIDTH - metrics.stringWidth(pressText)) / 2;
// int startY = HEIGHT/2;g.setFont(font);g.drawString(pressText, 235, 100);g.dispose();FileOutputStream out = new FileOutputStream(qrFile);ImageIO.write(image, "JPEG", out);out.close();System.out.println("image press success");}public static void main(String[] args) throws Exception {File qrcFile = new File("e:/tmp/","google.jpg");writeToFile("www.google.com.hk", "jpg", qrcFile);pressText("谷歌", qrcFile, 5, Color.RED, 32);}}第二种类型
package com.ims.common.utils;import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;import javax.imageio.ImageIO;import com.github.hui.quick.plugin.qrcode.wrapper.QrCodeGenWrapper;
import com.google.zxing.*;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
/*** Google zxing二维码工具类** @2017年12月20日* @author yinxf**/
public class QRCodeUtil {//二维码颜色private static final int BLACK = 0xFF000000;//二维码颜色private static final int WHITE = 0xFFFFFFFF;public static void main(String[] args) throws Exception {// zxingCodeCreate("http://www.baidu.com", 300, 300, "e:/tmp/qrcode.jpg", "jpg");
// zxingCodeAnalyze("e:/tmp/qrcode.jpg");
// testQrCode("你好再见","e:/tmp/cqr.png");}/*** 定制二维码生成*/public static void testQrCode(String msg,String outPutPath){try {long stime = System.currentTimeMillis();
// String msg = "https://weixin.qq.com/r/FS9waAPEg178rUcL93oH";boolean ans = QrCodeGenWrapper.of(msg).asFile(outPutPath);System.out.println(System.currentTimeMillis()-stime);} catch (IOException e) {e.printStackTrace();} catch (WriterException e) {e.printStackTrace();}}/*** 生成二维码** @param text 二维码内容* @param width 二维码宽* @param height 二维码高* @param outPutPath 二维码生成保存路径* @param imageType 二维码生成格式*/public static void zxingCodeCreate(String text, int width, int height, String outPutPath, String imageType) {Map<EncodeHintType, Object> his = new HashMap<EncodeHintType, Object>();//设置编码字符集his.put(EncodeHintType.CHARACTER_SET, "utf-8");his.put(EncodeHintType.MARGIN,1);try {//1、生成二维码BitMatrix encode = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, width, height, his);//2、获取二维码宽高int codeWidth = encode.getWidth();int codeHeight = encode.getHeight();//3、将二维码放入缓冲流BufferedImage image = new BufferedImage(codeWidth, codeHeight, BufferedImage.TYPE_INT_RGB);for (int i = 0; i < codeWidth; i++) {for (int j = 0; j < codeHeight; j++) {//4、循环将二维码内容定入图片image.setRGB(i, j, encode.get(i, j) ? BLACK : WHITE);}}File outPutImage = new File(outPutPath);//如果图片不存在创建图片if (!outPutImage.exists())outPutImage.createNewFile();//5、将二维码写入图片ImageIO.write(image, imageType, outPutImage);} catch (WriterException e) {e.printStackTrace();System.out.println("二维码生成失败");} catch (IOException e) {e.printStackTrace();System.out.println("生成二维码图片失败");}}/*** 二维码解析** @param analyzePath 二维码路径* @return* @throws IOException*/@SuppressWarnings({"rawtypes", "unchecked"})public static String zxingCodeAnalyze(String analyzePath) throws Exception {MultiFormatReader formatReader = new MultiFormatReader();String resultStr = null;try {File file = new File(analyzePath);if (!file.exists()) {return "二维码不存在";}BufferedImage image = ImageIO.read(file);LuminanceSource source = new BufferedImageLuminanceSource(image);Binarizer binarizer = new HybridBinarizer(source);BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);Map hints = new HashMap();hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");Result result = formatReader.decode(binaryBitmap, hints);resultStr = result.getText();System.out.println(resultStr);} catch (NotFoundException e) {e.printStackTrace();}return resultStr;}}完整pom文件
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"><!-- 配置下载镜像 --><repositories><repository><id>jitpack.io</id><url>https://jitpack.io</url></repository></repositories><!-- 配置下载镜像 --><modelVersion>4.0.0</modelVersion><groupId>com.demodata</groupId><artifactId>sm</artifactId><packaging>jar</packaging><version>0.0.1-SNAPSHOT</version><build><plugins><plugin><artifactId>maven-resources-plugin</artifactId><version>3.1.0</version><executions><execution><id>copy-webapp</id><phase>process-sources</phase><goals><goal>copy-resources</goal></goals><configuration><encoding>UTF-8</encoding><outputDirectory>${basedir}/target/classes/webapp</outputDirectory><resources><resource><directory>${basedir}/src/main/webapp</directory><includes><!-- <include>**/*.xml</include> --><!-- <include>**/**</include> --></includes></resource></resources></configuration></execution></executions></plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-shade-plugin</artifactId><version>3.2.1</version><executions><execution><phase>package</phase><goals><goal>shade</goal></goals><configuration><finalName>ims</finalName><transformers><transformerimplementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"><mainClass>com.ims.common.CoreConfig</mainClass></transformer><!--下面的配置支持排除指定文件打包到 jar 之中，可以用于排除需要修改的配置文件以便于在外部的 config 目录下的同名配置文件生效，建议使用 Prop.appendIfExists(xxx_pro.txt) 在外部放一个非同名配置来覆盖开发环境的配置则可以不用使用下面的配置，文档参考:http://maven.apache.org/plugins/maven-shade-plugin/examples/resource-transformers.html#DontIncludeResourceTransformer--><transformerimplementation="org.apache.maven.plugins.shade.resource.DontIncludeResourceTransformer"><resources><!-- <resource>demo-config-dev.txt</resource> --><!-- <resource>.PDF</resource> --><!-- <resource>READ.md</resource> --></resources></transformer></transformers></configuration></execution></executions></plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><configuration><source>1.8</source><target>1.8</target><encoding>UTF-8</encoding></configuration></plugin></plugins></build><dependencies><dependency><groupId>com.jfinal</groupId><artifactId>jfinal-undertow</artifactId><version>1.6</version></dependency><dependency><groupId>com.jfinal</groupId><artifactId>jfinal</artifactId><version>4.2</version></dependency><dependency><groupId>com.esen.jdbc</groupId><artifactId>oscarJDBC</artifactId><version>16</version></dependency><dependency><groupId>commons-beanutils</groupId><artifactId>commons-beanutils</artifactId><version>1.9.3</version></dependency><dependency><groupId>it.sauronsoftware.cron4j</groupId><artifactId>cron4j</artifactId><version>2.2.5</version></dependency><dependency><groupId>commons-cli</groupId><artifactId>commons-cli</artifactId><version>1.4</version></dependency><dependency><groupId>commons-codec</groupId><artifactId>commons-codec</artifactId><version>1.10</version></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-collections4</artifactId><version>4.1</version></dependency><dependency><groupId>commons-configuration</groupId><artifactId>commons-configuration</artifactId><version>1.6</version><exclusions><exclusion><artifactId>commons-beanutils</artifactId><groupId>commons-beanutils</groupId></exclusion><exclusion><artifactId>commons-logging</artifactId><groupId>commons-logging</groupId></exclusion><exclusion><artifactId>commons-collections</artifactId><groupId>commons-collections</groupId></exclusion></exclusions></dependency><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.4</version></dependency><dependency><groupId>com.jfinal</groupId><artifactId>cos</artifactId><version>2017.5</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.17</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.47</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-core</artifactId><version>2.8.5</version></dependency><dependency><groupId>net.sf.json-lib</groupId><artifactId>json-lib</artifactId><version>2.4</version><classifier>jdk15</classifier><exclusions><exclusion><artifactId>commons-lang</artifactId><groupId>commons-lang</groupId></exclusion><exclusion><artifactId>commons-logging</artifactId><groupId>commons-logging</groupId></exclusion><exclusion><artifactId>commons-beanutils</artifactId><groupId>commons-beanutils</groupId></exclusion><exclusion><artifactId>commons-collections</artifactId><groupId>commons-collections</groupId></exclusion></exclusions></dependency><dependency><groupId>com.google.guava</groupId><artifactId>guava</artifactId><version>15.0</version></dependency><dependency><groupId>org.codehaus.jackson</groupId><artifactId>jackson-mapper-asl</artifactId><version>1.9.13</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency><dependency><groupId>io.netty</groupId><artifactId>netty-all</artifactId><version>4.1.36.Final</version></dependency><dependency><groupId>com.belerweb</groupId><artifactId>pinyin4j</artifactId><version>2.5.1</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi</artifactId><version>3.17</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>3.17</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi-scratchpad</artifactId><version>3.17</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>ooxml-schemas</artifactId><version>1.1</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>1.7.26</version></dependency><dependency><groupId>org.freemarker</groupId><artifactId>freemarker</artifactId><version>2.3.28</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>3.8.1</version><scope>test</scope></dependency><!--生成二维码依赖--><!-- https://mvnrepository.com/artifact/com.google.zxing/javase --><dependency><groupId>com.google.zxing</groupId><artifactId>javase</artifactId><version>3.3.1</version></dependency><!-- https://mvnrepository.com/artifact/com.google.zxing/core --><dependency><groupId>com.google.zxing</groupId><artifactId>core</artifactId><version>3.3.1</version></dependency><!--生成二维码依赖--><!--生成可定制二维码--><!-- 请注意groupId和github的方式有一些区别哦 --><dependency><groupId>com.github.liuyueyi.quick-media</groupId><artifactId>qrcode-plugin</artifactId><version>2.5</version></dependency><!--生成可定制二维码--></dependencies></project>java生成酷炫霸气叼二维码相关推荐
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