ADD file via upload

AdminGoodsEditServlet.java

@@ -0,0 +1,120 @@
+package servlet;
+
+import model.Goods;
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.FileUploadException;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import service.GoodsService;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Date;
+import java.util.List;
+
+@WebServlet(name = "admin_goods_edit",urlPatterns = "/admin/goods_edit")
+public class AdminGoodsEditServlet extends HttpServlet {
+    private GoodsService gService = new GoodsService();
+    /**
+     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
+     */
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        //接收参数
+        DiskFileItemFactory factory=new DiskFileItemFactory();
+        ServletFileUpload upload = new ServletFileUpload(factory);
+        try {
+            List<FileItem> list = upload.parseRequest(request);
+            Goods g = new Goods();
+            int pageNumber =1;
+            int type=0;
+            //参数封装
+            for(FileItem item:list) {
+                if(item.isFormField()) {
+                    switch(item.getFieldName()) {
+                        case "id":
+                            g.setId(Integer.parseInt(item.getString("utf-8")));
+                            break;
+                        case "name":
+                            g.setName(item.getString("utf-8"));
+                            break;
+                        case "price":
+                            g.setPrice(Float.parseFloat(item.getString("utf-8")));
+                            break;
+                        case "intro":
+                            g.setIntro(item.getString("utf-8"));
+                            break;
+                        case "cover":
+                            g.setCover(item.getString("utf-8"));
+                            break;
+                        case "image1":
+                            g.setImage1(item.getString("utf-8"));
+                            break;
+                        case "image2":
+                            g.setImage2(item.getString("utf-8"));
+                            break;
+                        case "stock":
+                            g.setStock(Integer.parseInt(item.getString("utf-8")));
+                            break;
+                        case "typeid":
+                            g.setTypeid(Integer.parseInt(item.getString("utf-8")));
+                            break;
+                        case "pageNumber":
+                            pageNumber=Integer.parseInt(item.getString("utf-8"));
+                            break;
+                        case "type":
+                            type = Integer.parseInt(item.getString("utf-8"));
+                            break;
+                    }
+                }else {
+                    if(item.getInputStream().available()<=0)continue;
+                    String fileName = item.getName();
+                    fileName = fileName.substring(fileName.lastIndexOf("."));
+                    fileName = "/"+new Date().getTime()+fileName;
+                    String path = this.getServletContext().getRealPath("/picture")+fileName;
+                    InputStream in = item.getInputStream();
+                    FileOutputStream out = new FileOutputStream(path);
+                    byte[] buffer = new byte[1024];
+                    int len=0;
+                    while( (len=in.read(buffer))>0 ) {
+                        out.write(buffer);
+                    }
+                    in.close();
+                    out.close();
+                    item.delete();
+                    switch(item.getFieldName()) {
+                        case "cover":
+                            g.setCover("/picture"+fileName);
+                            break;
+                        case "image1":
+                            g.setImage1("/picture"+fileName);
+                            break;
+                        case "image2":
+                            g.setImage2("/picture"+fileName);
+                            break;
+                    }
+                }
+            }
+            gService.update(g);
+            request.getRequestDispatcher("/admin/goods_list?pageNumber="+pageNumber+"&type="+type).forward(request, response);
+        } catch (FileUploadException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
+     */
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        // TODO Auto-generated method stub
+        doGet(request, response);
+    }
+
+}
+