#

luxiaotao1123

2020-06-06 989abb480ea94940c1ebf80d6e98ee49fc52f030

#

 pom.xml

@@ -82,6 +82,11 @@
            <version>3.3.0</version>
        </dependency>
        <dependency>
            <groupId>com.google.zxing</groupId>
            <artifactId>javase</artifactId>
            <version>3.3.0</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>easyexcel</artifactId>
            <version>2.0.5</version>

 src/main/java/com/zy/asrs/controller/MatCodeController.java

@@ -14,6 +14,7 @@
import com.core.common.R;
import com.zy.asrs.entity.MatCode;
import com.zy.asrs.service.MatCodeService;
import com.zy.common.utils.BarcodeUtils;
import com.zy.common.utils.excel.matcode.MatCodeExcel;
import com.zy.common.utils.excel.matcode.MatCodeExcelListener;
import com.zy.common.web.BaseController;
@@ -21,7 +22,9 @@
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.*;
@@ -139,6 +142,20 @@
        return R.ok();
    }

    // todo resource
    // 物料打印
    @RequestMapping(value = "/macCode/print/auth")
//    @ManagerAuth(memo = "物料编码打印")
    public R matCodePrint(HttpServletResponse response) throws IOException {
        BufferedImage img = BarcodeUtils.encode("123456789");
        if (!ImageIO.write(img, "jpg", response.getOutputStream())) {
            throw new IOException("Could not write an image of format jpg");
        }
        response.getOutputStream().flush();
        response.getOutputStream().close();
        return R.ok();
    }

    @RequestMapping(value = "/matCodeQuery/auth")
    @ManagerAuth
    public R query(String condition) {

 src/main/java/com/zy/common/utils/BarcodeUtils.java

New file
@@ -0,0 +1,72 @@
package com.zy.common.utils;

import com.google.zxing.*;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.oned.Code128Writer;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.HashMap;

/**
 * 条形码工具
 * Created by vincent on 2020/6/6
 */
public class BarcodeUtils {

    private static final int DEFAULT_WIDTH = 264;
    private static final int DEFAULT_HEIGHT = 48;

    /**
     * 条形码编码
     */
    public static BufferedImage encode(String string){
        return encode(string, null, null);
    }

    public static BufferedImage encode(String string, Integer width, Integer height){
        try {
            Code128Writer writer = new Code128Writer();
            BitMatrix bar = writer.encode(string, BarcodeFormat.CODE_128, width==null?DEFAULT_WIDTH:width, height==null?DEFAULT_HEIGHT:height, new HashMap<>());
            return MatrixToImageWriter.toBufferedImage(bar);
        }
        catch (WriterException e){ throw new RuntimeException(e); }
    }

    /**
     * 条形码解码
     */
    public static String decode(String imgPath) {
        BufferedImage image = null;
        Result result = null;
        try {
            image = ImageIO.read(new File(imgPath));
            if (image == null) {
                throw new RuntimeException("the decode image may be not exit.");
            }
            LuminanceSource source = new BufferedImageLuminanceSource(image);
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
            result = new MultiFormatReader().decode(bitmap, null);
            return result.getText();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static void main(String[] args) {
        String imgPath = "F:/zxing_EAN-13.png";
        String contents = "6926557300360";
        int width = 105, height = 50;
        encode(contents, width, height);
        System.out.println("finished zxing EAN-13 encode.");
        String decodeContent = decode(imgPath);
        System.out.println("解码内容如下：" + decodeContent);
        System.out.println("finished zxing EAN-13 decode.");
    }

}

 src/main/java/com/zy/common/utils/QrCode.java

@@ -22,7 +22,6 @@
    // 二维码尺寸
    private static final int QRCODE_SIZE = 60;


    public static BufferedImage createImg(String content) throws WriterException {
        ConcurrentHashMap hints = new ConcurrentHashMap();
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);

 src/main/webapp/views/matCode/matCode.html

@@ -41,7 +41,7 @@

<script type="text/html" id="operate">
    <a class="layui-btn layui-btn-primary layui-btn-xs" lay-event="detail">详情</a>
    <a class="layui-btn layui-btn-xs btn-edit" lay-event="edit">编辑</a>
<!--    <a class="layui-btn layui-btn-xs btn-edit" lay-event="edit">编辑</a>-->
</script>

<script type="text/javascript" src="/static/js/jquery/jquery-3.3.1.min.js"></script>