生成小程序二维码

lib/EmergencyService/zdxtEmergencyBootStart/src/main/resources/templates/project/scene/manage.html

@@ -41,7 +41,7 @@
                shiro:hasPermission="project:scene:remove">
                 <i class="fa fa-remove"></i> 全部删除
             </a>
-            <a class="btn btn-action" shiro:hasPermission="project:scene:remove">
+            <a class="btn btn-action" shiro:hasPermission="project:scene:remove" onclick="generateQRCode()">
                 <i class="fa fa-save"></i> 生成二维码
             </a>
             <a class="btn btn-warning" shiro:hasPermission="project:scene:remove">
@@ -206,6 +206,18 @@
         });
     }
 
+    function generateQRCode() {
+        table.set();
+        var rows = $.common.isEmpty(table.options.uniqueId) ? $.table.selectFirstColumns() : $.table.selectColumns(table.options.uniqueId);
+        if (rows.length == 0) {
+            $.modal.alertWarning("请选择一条记录");
+            return;
+        }
+        $.post(ctx + "small/scene/manage/generateQRCode/", {"guid": rows.join()}, function (req,status ) {
+
+        })
+    }
+
 </script>
 </body>
 <script id="importTpl" type="text/template">

lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/controller/SceneManageController.java

@@ -72,8 +72,8 @@ public class SceneManageController extends BaseController {
      */
     @PostMapping("/generateQRCode")
     @ResponseBody
-    public void generateQRCode(SceneManage sceneManage,HttpServletResponse response) throws Exception{
-        sceneManageService.generateQRCode(sceneManage,response);
+    public ZDResponse generateQRCode(SceneManage sceneManage) throws Exception{
+       return sceneManageService.generateQRCode(sceneManage);
     }
 
     /**

lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/domain/LocalFileMultipartFile.java

@@ -0,0 +1,65 @@
+package com.zdxt.knowledge.domain;
+
+import org.springframework.http.MediaType;
+import org.springframework.util.FileCopyUtils;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class LocalFileMultipartFile implements MultipartFile {
+
+
+    private final File file;
+
+    public LocalFileMultipartFile(File file) {
+        this.file = file;
+    }
+
+    @Override
+    public String getName() {
+        return file.getName();
+    }
+
+    @Override
+    public String getOriginalFilename() {
+        return file.getName();
+    }
+
+    @Override
+    public String getContentType() {
+        return MediaType.APPLICATION_OCTET_STREAM_VALUE;
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return file.exists();
+    }
+
+    @Override
+    public long getSize() {
+        try (FileInputStream fileInputStream = new FileInputStream(file)) {
+            return fileInputStream.available();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public byte[] getBytes() throws IOException {
+        return FileCopyUtils.copyToByteArray(file);
+    }
+
+    @Override
+    public InputStream getInputStream() throws IOException {
+        return new FileInputStream(file);
+    }
+
+    @Override
+    public void transferTo(File dest) throws IOException, IllegalStateException {
+        FileCopyUtils.copy(file, dest);
+    }
+
+}

lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/service/ISceneManageService.java

@@ -43,7 +43,7 @@ public interface ISceneManageService {
     public List<SceneManage> selectSceneManageListAll(SceneManage sceneManage);
 
 
-    public void generateQRCode(SceneManage sceneManage,HttpServletResponse response) throws Exception;
+    public ZDResponse generateQRCode(SceneManage sceneManage) throws Exception;
 
     /**
      * 新增【请填写功能名称】

lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/service/impl/SceneManageServiceImpl.java

@@ -22,6 +22,7 @@ import com.zdxt.common.util.http.HttpUtils;
 import com.zdxt.common.zdxtFile.AttFileRespDTO;
 import com.zdxt.common.zdxtFile.FilePreviewUtilBean;
 import com.zdxt.common.zdxtFile.ZdxtFileCommon;
+import com.zdxt.knowledge.domain.LocalFileMultipartFile;
 import com.zdxt.knowledge.domain.SceneImportDataModel;
 import com.zdxt.knowledge.domain.SceneManage;
 import com.zdxt.knowledge.mapper.SceneManageMapper;
@@ -30,6 +31,7 @@ import com.zdxt.knowledge.utils.ExcelUtil;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.fileupload.FileItem;
 import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.io.FileUtils;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.Resource;
@@ -114,11 +116,7 @@ public class SceneManageServiceImpl implements ISceneManageService {
     }
 
     @Override
-    public void generateQRCode(SceneManage sceneManage, HttpServletResponse response) throws Exception {
-        response.setContentType("image/gif");
-        response.setHeader("Pragma", "No-cache");
-        response.setHeader("Cache-Control", "no-cache");
-        response.setDateHeader("Expires", 0);
+    public ZDResponse generateQRCode(SceneManage sceneManage) throws Exception {
 
         String accessToken = getAccessToken();
         String url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + accessToken;
@@ -129,22 +127,28 @@ public class SceneManageServiceImpl implements ISceneManageService {
         paramJson.set("check_path", false);
         paramJson.set("width", 280);
         //scene数据不能中文
-        paramJson.set("scene", "4f5d2f4dd813443e83f399e743adec50");
+        paramJson.set("scene", sceneManage.getGuid());
         //设置小程序码版本
         //paramJson.set("env_version","release"); 默认正式
         //paramJson.set("env_version", "trial"); //体验版
         paramJson.set("env_version", "develop"); //开发版
 
         InputStream inputStream = HttpUtils.postInputStream(url, paramJson);
-        //将流写出到response
-        IoUtil.copy(inputStream, response.getOutputStream());
         //存入本地数据库
         File file = File.createTempFile("temp", ".png");
-        FileOutputStream outputStream = new FileOutputStream(file);
-        IoUtil.copy(inputStream, outputStream);
-        MultipartFile multipartFile = toMultipartFile(file.getName(),file);
-        zdxtFileCommonApi.insertZdxtFile(multipartFile, sceneManage.getGuid() + "", fileUploadApi.upload(multipartFile));
+        FileUtils.copyInputStreamToFile(inputStream,file);
+        MultipartFile multipartFile = new LocalFileMultipartFile(file);
+        String uploadPath = fileUploadApi.upload(multipartFile);
+        zdxtFileCommonApi.deleteZdxtFileByIds(sceneManage.getGuid() + "0000");
+        zdxtFileCommonApi.insertZdxtFile(multipartFile, sceneManage.getGuid() + "0000", uploadPath);
+        sceneManage.setUpdateTime(DateUtils.getNowDate());
+        sceneManage.setUrl(uploadPath);
+        int result = sceneManageMapper.updateSceneManage(sceneManage);
         file.deleteOnExit();
+        if (result>0) {
+            return ZDResponse.success("生成二维码成功");
+        }
+        return ZDResponse.error("生成二维码失败");
     }
 
     public String getAccessToken() {
@@ -156,21 +160,21 @@ public class SceneManageServiceImpl implements ISceneManageService {
         return jsonObject.get("access_token").toString();
     }
 
-    public static MultipartFile toMultipartFile(String fieldName, File file) throws Exception {
-        DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory();
-        String contentType = new MimetypesFileTypeMap().getContentType(file);
-        FileItem fileItem = diskFileItemFactory.createItem(fieldName, contentType, false, file.getName());
-        try (
-                InputStream inputStream = new ByteArrayInputStream(FileCopyUtils.copyToByteArray(file));
-                OutputStream outputStream = fileItem.getOutputStream()
-        ) {
-            FileCopyUtils.copy(inputStream, outputStream);
-        } catch (Exception e) {
-            throw e;
-        }
-        MultipartFile multipartFile = new CommonsMultipartFile(fileItem);
-        return multipartFile;
-    }
+//    public static MultipartFile toMultipartFile(String fieldName, File file) throws Exception {
+//        DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory();
+//        String contentType = new MimetypesFileTypeMap().getContentType(file);
+//        FileItem fileItem = diskFileItemFactory.createItem(fieldName, contentType, false, file.getName());
+//        try (
+//                InputStream inputStream = new ByteArrayInputStream(FileCopyUtils.copyToByteArray(file));
+//                OutputStream outputStream = fileItem.getOutputStream()
+//        ) {
+//            FileCopyUtils.copy(inputStream, outputStream);
+//        } catch (Exception e) {
+//            throw e;
+//        }
+//        MultipartFile multipartFile = new CommonsMultipartFile(fileItem);
+//        return multipartFile;
+//    }
 
     /**
      * 新增【请填写功能名称】