增加预览附件和下载功能

src/main/java/com/xujie/sys/modules/pms/controller/EamProjectController.java

@@ -16,6 +16,7 @@ import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.mail.MessagingException;
+import javax.servlet.http.HttpServletResponse;
 import java.io.UnsupportedEncodingException;
 import java.util.List;
 
@@ -457,4 +458,23 @@ public class EamProjectController {
         return R.ok().put("list", list);
     }
 
+    @PostMapping("/selectFileDataList")
+    @ResponseBody
+    public R selectFileDataList(@RequestBody ProofDocumentData inData) {
+        List<SysOssEntity> list = eamProjectService.getFileDataList(inData);
+        return R.ok().put("list", list);
+    }
+
+    @PostMapping("/previewEamProjectInfoForUploadFile")
+    @ResponseBody
+    public R previewEamProjectInfoForUploadFile(@RequestBody SysOssEntity inData, HttpServletResponse response) throws UnsupportedEncodingException {
+        try{
+            eamProjectService.previewEamProjectInfoForUploadFile(inData, response);
+        }catch (Exception e){
+            e.printStackTrace();
+            return R.error().put("msg",e.getMessage());
+        }
+        return R.ok();
+    }
+
 }

src/main/java/com/xujie/sys/modules/pms/mapper/EamProjectMapper.java

@@ -127,4 +127,6 @@ public interface EamProjectMapper {
     List<EamProjectPartInfoData> searchMassProductionBomList(@Param("data")EamProjectPartInfoData inData);
 
     List<EamProjectPartInfoData> searchRoutingList(@Param("data")EamProjectPartInfoData inData);
+
+    List<SysOssEntity> searchSysOssFileList(ProofDocumentData inData);
 }

src/main/java/com/xujie/sys/modules/pms/service/EamProjectService.java

@@ -11,6 +11,7 @@ import org.apache.ibatis.annotations.Param;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.mail.MessagingException;
+import javax.servlet.http.HttpServletResponse;
 import java.io.UnsupportedEncodingException;
 import java.util.List;
 
@@ -86,4 +87,8 @@ public interface EamProjectService {
     List<EamProjectPartInfoData> searchMassProductionBomList(EamProjectPartInfoData inData);
 
     List<EamProjectPartInfoData> searchRoutingList(EamProjectPartInfoData inData);
+
+    List<SysOssEntity> getFileDataList(ProofDocumentData inData);
+
+    void previewEamProjectInfoForUploadFile(SysOssEntity inData, HttpServletResponse response) throws UnsupportedEncodingException;
 }

src/main/java/com/xujie/sys/modules/pms/service/Impl/EamProjectServiceImpl.java

@@ -41,7 +41,10 @@ import org.springframework.web.multipart.MultipartFile;
 
 import javax.mail.MessagingException;
 import javax.mail.internet.MimeMessage;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
 import java.io.*;
+import java.net.URLEncoder;
 import java.sql.CallableStatement;
 import java.sql.Connection;
 import java.sql.DriverManager;
@@ -422,6 +425,44 @@ public class EamProjectServiceImpl implements EamProjectService {
         return list;
     }
 
+    @Override
+    public List<SysOssEntity> getFileDataList(ProofDocumentData inData) {
+        List<SysOssEntity> fileList = EamProjectMapper.searchSysOssFileList(inData);
+        return fileList;
+    }
+
+    @Override
+    public void previewEamProjectInfoForUploadFile(SysOssEntity inData, HttpServletResponse response) throws UnsupportedEncodingException {
+        String url = inData.getUrl();
+        // 创建文件对象
+        File file = new File(url);
+        if (!file.exists()) {
+            throw new IllegalArgumentException("文件不存在");
+        }
+
+        String encodedFileName = URLEncoder.encode("sop", "UTF-8");
+        // 设置响应头
+        response.setContentType("application/pdf;charset=utf-8");
+        response.setHeader("Content-Disposition", "attachment; filename=" + encodedFileName);
+
+        try (FileInputStream fis = new FileInputStream(file);
+             BufferedInputStream bis = new BufferedInputStream(fis);
+             ServletOutputStream os = response.getOutputStream()) {
+
+            byte[] buffer = new byte[1024];
+            int bytesRead;
+
+            // 循环读取文件内容并写入到响应流中
+            while ((bytesRead = bis.read(buffer)) != -1) {
+                os.write(buffer, 0, bytesRead);
+            }
+
+        } catch (IOException e) {
+            throw new RuntimeException("文件下载失败", e);
+        }
+
+    }
+
     @Override
     public boolean checkProductionValidationDocument(List<ProjectProductionValidationDocumentData> list) {
         for (ProjectProductionValidationDocumentData inData : list) {

src/main/resources/mapper/pms/EamProjectMapper.xml

@@ -594,6 +594,9 @@
     <select id="searchRoutingList" resultType="com.xujie.sys.modules.pms.data.EamProjectPartInfoData">
         {call dbo.rfq_get_fullRouting(#{data.site, mode=IN}, #{data.partNo, mode=IN})}
     </select>
+    <select id="searchSysOssFileList" resultType="com.xujie.sys.modules.oss.entity.SysOssEntity">
+        select * from sys_oss where file_name = #{fileName}
+    </select>
     <insert id="saveNewProjectPart" useGeneratedKeys="true" keyProperty="projectPartId">
         INSERT INTO plm_project_part (
             site,