S_Servlet完成

src/core/operation/UploadFile.java

@@ -14,18 +14,12 @@ import java.util.Map;
 public class UploadFile extends Operation {
     @Override
     public Map<String, Object> execute(User subject) throws Exception {
-        File file = (File) this.getOptions().get("file");
         String table = (String) this.getOptions().get("file_type");
         Map<String,String> limits = (Map<String, String>) this.getOptions().get("limits");
-
         String field = core.operation.utils.Utils.getFileField(table);
-        String filePath = core.operation.utils.Utils.getFilePathName(table,file.getName());
+        String filePath = (String) this.getOptions().get("file_url");
         Map<String,String> vMap = new HashMap<>();
         vMap.put(field,filePath);
-
-        file.renameTo(new File(filePath));
-        //todo
-
         List<String> ls = new ArrayList<>();
         ls.add(field);
         List<String[]> resultLs = DBManagement.select(ls,table,limits,0,1);

src/core/operation/UploadFile.json

@@ -1,6 +1,6 @@
 {
   "options":{
-    "file": "File",
+    "file_url": "String",
     "file_type": "String",
     "limits":"Map<String,String>"
   },

src/core/operation/utils/Utils.java

@@ -35,19 +35,4 @@ public interface Utils {
     static String getFileField(String table){
         return fileTableField.get(table);
     }
-    static String getFilePath(String table){
-        return Configuration.filePath+table+"/";
-    }
-    static String getFileName(String fileName){
-        SimpleDateFormat simpleDateFormat;
-        simpleDateFormat = new SimpleDateFormat("yyMMddHHmmssSSS");
-        Date date = new Date();
-        String str = simpleDateFormat.format(date);
-        str+=(int)(Math.random()*100000);
-        str+= utils.Utils.getFileType(fileName);
-        return str;
-    }
-    static String getFilePathName(String table, String fileName){
-        return getFilePath(table)+getFileName(fileName);
-    }
 }

src/servlet/S_StudentFillGraduationDesignInformation.java

@@ -1,7 +1,5 @@
 package servlet;
 
-import core.user.User;
-
 import javax.servlet.ServletException;
 import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServlet;

src/servlet/S_StudentUploadFinishedProduct.java

@@ -8,10 +8,12 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 
-@WebServlet(name = "student-upload-finished-product")
+@WebServlet("/student-upload-finished-product")
 @MultipartConfig
 public class S_StudentUploadFinishedProduct extends HttpServlet {
+    static String fileType = "graduation_design_finished_product";
     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-
+        String id = request.getParameter("id");
+        String fileURL = servlet.Utils.saveFile(request, fileType);
     }
 }

src/servlet/S_StudentUploadOpeningReport.java

@@ -14,30 +14,10 @@ import java.util.UUID;
 
 @WebServlet("/student-upload-opening-report")
 @MultipartConfig
-//学生id+文件
 public class S_StudentUploadOpeningReport extends HttpServlet {
-    private static final long serialVersionUID = 1L;
+    static String fileType = "graduation_design_opening_report";
     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-        super.doPost(request, response);
-        User user=(User) request.getSession().getAttribute("user");
-        String student_id=user.getId();
-
-        try {
-
-            //获取上传的文件
-            Part part=request.getPart("file");
-            //获取请求的信息
-            String name=part.getHeader("content-disposition");
-            //获取上传文件的目录
-            String root=request.getServletContext().getRealPath("/upload");
-
-
-            request.setAttribute("info", "上传文件成功");
-        } catch (Exception e) {
-            e.printStackTrace();
-            request.setAttribute("info", "上传文件失败");
-        }
-
-        request.getRequestDispatcher("/upload.jsp").forward(request, response);
+        String id = request.getParameter("id");
+        String fileURL = servlet.Utils.saveFile(request, fileType);
     }
 }

src/servlet/Utils.java

@@ -1,8 +1,17 @@
 package servlet;
 
+import gdms.Configuration;
 import org.apache.coyote.Request;
 
+import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.Part;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -15,4 +24,37 @@ public interface Utils {
         }
         return vMap;
     }
+    static String getFilePath(String table){
+        return Configuration.filePath+table+"/";
+    }
+    static String getFileName(String fileName){
+        SimpleDateFormat simpleDateFormat;
+        simpleDateFormat = new SimpleDateFormat("yyMMddHHmmssSSS");
+        Date date = new Date();
+        String str = simpleDateFormat.format(date);
+        str+=(int)(Math.random()*100000);
+        str+= utils.Utils.getFileType(fileName);
+        return str;
+    }
+    static String getFilePathName(String table, String fileName){
+        return getFilePath(table)+getFileName(fileName);
+    }
+    static String saveFile(HttpServletRequest request, String table) throws IOException, ServletException {
+        Part part = request.getPart("graduation_design");
+        String header = part.getHeader("content-disposition");
+        String path = header.substring(header.indexOf("filename=") + 10, header.length() - 1);
+        String filePathName = servlet.Utils.getFilePathName(table,path);
+        File file = new File(filePathName);
+        InputStream inputStream = part.getInputStream();
+        FileOutputStream outputStream = new FileOutputStream(file);
+        int len;
+        byte[] bytes = new byte[1024];
+        while ((len = inputStream.read(bytes)) != -1) {
+            outputStream.write(bytes, 0, len);
+        }
+        outputStream.close();
+        inputStream.close();
+        part.delete();
+        return filePathName;
+    }
 }