package?com.pindus.justiceplatformweb.common.publicFunction.utils;
import?com.google.zxing.BarcodeFormat;
import?com.google.zxing.EncodeHintType;
import?com.google.zxing.MultiFormatWriter;
import?com.google.zxing.WriterException;
import?com.google.zxing.common.BitMatrix;
import?com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
import?java.awt.*;
import?java.awt.image.BufferedImage;
import?java.io.File;
import?java.io.IOException;
import?java.util.HashMap;
import?java.util.Map;
import?java.util.objects;
import?javax.imageio.ImageIO;
/**
?*?@author:?miaoqixin
?*?@create:?2019-01-16?14:14
?*?Maven?方式導入jar
?*???????????
?*?????????????com.google.zxing
?*?????????????core
?*?????????????3.3.3
?*?????????
?*?Gradle?方式
?*?????????????compile?group:?‘com.google.zxing‘?name:?‘core‘?version:?‘3.3.3‘
?**/
public?class?ZXingCode?{

????//參數可設置到yml文件中
????private?static?final?int?QRCOLOR?=?0xFF000000;?//?默認是黑色
????private?static?final?int?BGWHITE?=?0xFFFFFFFF;?//?背景顏色
????private?static?final?int?WIDTH?=?400;?//?二維碼寬
????private?static?final?int?HEIGHT?=?400;?//?二維碼高

????//?用于設置QR二維碼參數
????private?static?Mapject>?hints?=?new?HashMapject>（）?{
????????private?static?final?long?serialVersionUID?=?1L;
????????{
????????????put（EncodeHintType.ERROR_CORRECTION?ErrorCorrectionLevel.H）;?//?設置QR二維碼的糾錯級別（H為最高級別）具體級別信息
????????????put（EncodeHintType.CHARACTER_SET?“utf-8“）;?//?設置編碼方式
????????????put（EncodeHintType.MARGIN?0）;
????????}
????};


????/**
?????*?@author?miaoqixin
?????*?Springboot?使用zxing生成二維碼（帶logo和文字說明的）
?????*?ExportExcel.exportExcel（titlerowNamedataList“POI導出“response）;
?????*?@param?logoFile??????logo圖片文件
?????*?@param?codeFileUrl???二維碼儲存地址
?????*?@param?qrUrl?????????二維碼內容
?????*?@param?note??????????二維碼說明
?????*?@throws?ZXingCode
?????*/
????public?static?void?drawLogoQRCode（File?logoFile?File?codeFileUrlString?qrUrl?String?note）?throws?IOException?WriterException?{?//圖片文件???二維碼儲存地址??網頁路徑???二維碼說明?

????????MultiFormatWriter?multiFormatWriter?=?new?MultiFormatWriter（）;

????????//?參數順序分別為：編碼內容，編碼類型，生成圖片寬度，生成圖片高度，設置參數
????????BitMatrix?bm?=?multiFormatWriter.encode（qrUrl?BarcodeFormat.QR_CODE
????????????????WIDTH?HEIGHT?hints）;
????????BufferedImage?image?=?new?BufferedImage（WIDTH?HEIGHT
????????????????BufferedImage.TYPE_INT_RGB）;

????????//?開始利用二維碼數據創建Bitmap圖片，分別設為黑（0xFFFFFFFF）白（0xFF000000）兩色
????????for?（int?x?=?0;?x?????????????for?（int?y?=?0;?y?????????????????image.setRGB（x?y?bm.get（x?y）???QRCOLOR?:?BGWHITE）;
????????????}
????????}

????????int?width?=?image.getWidth（）;
????????int?height?=?image.getHeight（）;

????????if?（objects.nonNull（logoFile）?&&?logoFile.exists（））?{
????????????//?構建繪圖對象
????????????Graphics2D?g?=?image.createGraphics（）;

????????????//?讀取Logo圖片
????????????Buf

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????7306??2019-01-16?17:16??ZXingCode.java
?????文件??????120717??2019-01-16?17:22??接口調用.png