QRC
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@ -22,44 +22,80 @@ public class QRCServiceImpl implements QRCService{
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private CollectIconListDao collectIconListDao;
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public String QR(CollectIconList collect) throws Exception {
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String logoPath ="src/main/resources/static/logo/NAV.png";
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String logoPath = "src/main/resources/static/logo/NAV.png";
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String destPath = "src/main/resources/static/qr";
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// 通过传入collect的url_id查找相同网址图片列表
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// List<CollectIconList> collectIconList = collectIconListDao.selectByUrlid(collect.getUrl_id());
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// 通过collect的url_id查找网址id对应网址
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UrlList urlList = urlListDao.selectByPrimaryKey(Long.valueOf(collect.getUrl_id()));
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List<CollectIconList> list = collectIconListDao.selectByUrlid(collect.getUrl_id());
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if(list.size()==0){
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if(urlList != null && collect.getIcon_url()!=null){
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// 将icon下载到本地并存储本地路径
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// 如果表中没有可以插入
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if (list.size() == 0) {
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// 如果icon是url
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if(QRCodeUtil.isBase64(collect.getIcon_url())){
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String icon_url = QRCodeUtil.downloadPicture(collect.getIcon_url());
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collect.setIcon_url(icon_url);
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// 获取网址url
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String url = urlList.getUrl();
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// 将网址生成二维码并返回本地路径
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// 将网址生成二维码并返回本地路径
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String url_wait = QRCodeUtil.encode(url, logoPath, destPath, true);
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// 为collect设置二维码本地路径
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collect.setQr_url(url_wait);
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collectIconListDao.insert(collect);
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String base64 = QRCodeUtil.ImageToBase64(url_wait);
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return JSON.toJSONString(base64);
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}else if(urlList != null && collect.getIcon_url()==null){
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// 获取网址url
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String url = urlList.getUrl();
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String url_wait = QRCodeUtil.encode(url, logoPath, destPath, true);
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// 为collect设置二维码本地路径
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collect.setQr_url(url_wait);
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collectIconListDao.insert(collect);
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String base64 = QRCodeUtil.ImageToBase64(url_wait);
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return JSON.toJSONString(base64);
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}
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}else{
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String url_wait = list.get(0).getQr_url();
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String base64 = QRCodeUtil.ImageToBase64(url_wait);
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return JSON.toJSONString(base64);
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else{
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String base64str = QRCodeUtil.delete_profix(collect.getIcon_url());
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String icon_url = QRCodeUtil.GenerateImage(base64str,"src/main/resources/static/icon");
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collect.setIcon_url(icon_url);
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String url = urlList.getUrl();
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String url_wait = QRCodeUtil.encode(url, logoPath, destPath, true);
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collect.setQr_url(url_wait);
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String base64 = QRCodeUtil.ImageToBase64(url_wait);
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collectIconListDao.insert(collect);
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return JSON.toJSONString(base64);
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}
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} else {
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return JSON.toJSONString("内容已存在");
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}
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return null;
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}
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//// 通过传入collect的url_id查找相同网址图片列表
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//// List<CollectIconList> collectIconList = collectIconListDao.selectByUrlid(collect.getUrl_id());
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//
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//// 通过collect的url_id查找网址id对应网址
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// UrlList urlList = urlListDao.selectByPrimaryKey(Long.valueOf(collect.getUrl_id()));
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//
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// List<CollectIconList> list = collectIconListDao.selectByUrlid(collect.getUrl_id());
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// if(list.size()==0){
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// if(urlList != null && collect.getIcon_url()!=null){
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//// 将icon下载到本地并存储本地路径
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// String icon_url = QRCodeUtil.downloadPicture(collect.getIcon_url());
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// collect.setIcon_url(icon_url);
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//
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//
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//// 为collect设置二维码本地路径
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// collect.setQr_url(url_wait);
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// collectIconListDao.insert(collect);
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// String base64 = QRCodeUtil.ImageToBase64(url_wait);
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// return JSON.toJSONString(base64);
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// }else if(urlList != null && collect.getIcon_url()==null){
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//// 获取网址url
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// String url = urlList.getUrl();
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// String url_wait = QRCodeUtil.encode(url, logoPath, destPath, true);
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//// 为collect设置二维码本地路径
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// collect.setQr_url(url_wait);
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// collectIconListDao.insert(collect);
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// String base64 = QRCodeUtil.ImageToBase64(url_wait);
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// return JSON.toJSONString(base64);
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// }
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// }else{
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// String url_wait = list.get(0).getQr_url();
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// String base64 = QRCodeUtil.ImageToBase64(url_wait);
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// return JSON.toJSONString(base64);
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// }
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// return null;
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// }
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}
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@ -20,6 +20,7 @@ import java.net.HttpURLConnection;
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import java.net.URL;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import java.util.regex.Pattern;
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@Component
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@Service
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@ -431,7 +432,56 @@ public class QRCodeUtil {
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return (serverPath +"/" + fileName);
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}
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// 对字节数组字符串进行Base64解码并生成图片
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//imgFilePath 待保存的本地路径
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public static String GenerateImage(String base64Str, String imgFilePath) {
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if (base64Str == null) // 图像数据为空
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return null;
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Base64.Decoder decoder = Base64.getDecoder();
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try {
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// Base64解码
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byte[] bytes = decoder.decode(base64Str);
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for (int i = 0; i < bytes.length; ++i) {
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if (bytes[i] < 0) {// 调整异常数据
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bytes[i] += 256;
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}
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}
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//设置图片名称,这个随意
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String date = new Random().nextInt(99999999)+".jpg";
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String fileName = date ;
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// 生成jpg图片
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OutputStream out = new FileOutputStream(imgFilePath +"/" + fileName);
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out.write(bytes);
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out.flush();
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out.close();
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return (imgFilePath +"/" + fileName);
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} catch (Exception e) {
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return null;
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}
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}
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public static boolean isBase64(String url){
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String reg = "[a-zA-z]+://[^\\s]*";
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boolean isMatch = Pattern.matches(reg, url);
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if(isMatch){
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return isMatch;
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}
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return isMatch;
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}
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public static String delete_profix(String base64){
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String delete = "data:image/jpg;base64,";
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String Base64 = base64;
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return(base64.replace(delete,""));
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}
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public static void main(String[] args) throws Exception {
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// String text = "https://www.baidu.com"; //这里设置自定义网站url
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// String logoPath ="src/main/resources/static/logo/NAV.png";
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// String destPath = "src/main/resources/static/qr";
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