文件上传显示保存到数据库实现类

1. public class UpLoadAction extends ActionSupport implements  
2.                 ServletRequestAware,ServletResponseAware {  
3.     private HttpServletRequest request;  
4.     private HttpServletResponse response;     
5.     private List<File> uploadFile;  
6.     private List<String> uploadFileContentType;  
7.     private List<String> uploadFileFileName;  
8.       
9.       
10.     public void setServletRequest(HttpServletRequest request) {  
11.         this.request = request;  
12.     }  
13.   
14.     public void setServletResponse(HttpServletResponse response) {  
15.         this.response = response;  
16.     }  
17.       
18.       
19.     /** 
20.      * 上传图片，至路径保存至数据库 
21.      * @return  
22.      * @throws Exception 
23.      */  
24.     public String uploadImage() throws Exception {  
25.         String savePath = request.getSession().getServletContext().getRealPath("/upload/temp");  
26.         String result = "error";  
27.           
28.         File dir = new File(savePath);  
29.         if (!dir.exists()) {  
30.             dir.mkdirs();  
31.         }  
32.         List<File> files = getUploadFile();  
33.         if((files!=null) && (files.size()>0)){  
34.             for (int i = 0; i < files.size(); i++) {  
35.                 FileUtils.copyFile(files.get(i), new File(savePath + "//"  
36.                         + getUploadFileFileName().get(i)));  
37.             }  
38.         }  
39.         else{  
40.             return result;  
41.         }  
42.           
43.         return SUCCESS;  
44.     }  
45.       
46.       
47.     /** 
48.      * 显示图片 
49.      * @return  
50.      */  
51.     public String getHotelImage(){  
52.           
53.          try {  
54.              String name = request.getParameter("name");  
55.   
56.              name = request.getSession().getServletContext().getRealPath("/") +"upload/hotel/" + name;  
57.              FileInputStream fi = new FileInputStream(name);  
58.              BufferedInputStream bi = new BufferedInputStream(fi);  
59.              int c =0;  
60.              while((c=bi.read())!=-1){  
61.                 response.getWriter().write(c);  
62.              }  
63.              response.getWriter().flush();  
64.              fi.close();  
65.         }   
66.         catch (Exception e) {  
67.             // TODO Auto-generated catch block  
68.             e.printStackTrace();  
69.         }  
70.         return "success";  
71.     }  
72.       
73.     /** 
74.      * 持久化到数据库 
75.      * @return  
76.      */  
77.     public String insertiImageInfo() {  
78.           
79.         try{  
80.             hotelimage = new HotelImage();  
81.             hotelimage.setImageTitle(imageTitle);  
82.              String image = request.getParameter("uploadFileName");  
83.              hotelimage.setImageName(request.getParameter("oldUploadFileName"));  
84.              String savePath = request.getSession().getServletContext().getRealPath("/upload");  
85.              try {  
86.                     hotelimage.setImagePath(URLEncoder.encode( image,"utf-8"));  
87.                     FileUtils.copyFile(new File(savePath+"/temp/" + hotelimage.getImagePath()), new File(savePath+"/hotel/" + hotelimage.getImagePath()));  
88.                 } catch (Exception e) {  
89.                     e.printStackTrace();  
90.                 }  
91.             HttpSession session = request.getSession();  
92.             //验证用户是否已登录  
93.             if(session.getAttribute("AdminSession")!=null){  
94.                 UserInfo userInfo = (UserInfo) session.getAttribute("AdminSession");  
95.                 if(userInfo!=null){  
96.                     hotelimage.setUploadUserId(Integer.parseInt(userInfo.getId()));  
97.                 }  
98.             }  
99.             else{  
100.                 hotelimage.setUploadUserId(0);  
101.             }  
102.               
103.             hotelimage.setHotelId(hotelId);  
104.             hotelimage.setImageType(imageType);  
105.             hotelimage.setImageDesc(content);  
106.             int t = hotelImageService.addHotelImageService(hotelimage);  
107.             if(t<=0){  
108.                 return "error";  
109.             }  
110.             hotelId="0";  
111.             imageType="0";  
112.             imageTitle="";  
113.         }  
114.         catch(Exception ex){  
115.             ex.printStackTrace();  
116.             return "error";  
117.         }  
118.           
119.           
120.         return "success";  
121.     }  
122.       
123.       
124.       
125.   
126.       
127.     public String goEditImage(){  
128.         String id = request.getParameter("id");  
129.         HotelImage image = hotelImageService.getImageByID(Long.valueOf(id));  
130.         List<HotelInfo>  hotels = hotelImageService.queryHotelListService(hotelInfo);  
131.         request.setAttribute("hotels", hotels);  
132.         request.setAttribute("image", image);  
133.         if("audit".equals(request.getParameter("type"))){  
134.             return "audit";  
135.         }  
136.         return "success";  
137.     }  
138.       
139.     public String editImage() {  
140.         try{  
141.             hotelimage = new HotelImage();  
142.             hotelimage.setImageTitle(imageTitle);  
143.             String image = request.getParameter("uploadFileName");  
144.             hotelimage.setImageName(request.getParameter("oldUploadFileName"));  
145.             String savePath = request.getSession().getServletContext().getRealPath("/upload");  
146.             try {  
147.                     hotelimage.setImagePath(URLEncoder.encode( image,"utf-8"));  
148.                     if(!"0".equals(request.getParameter("upload"))){  
149.                         FileUtils.copyFile(new File(savePath+"/temp/" + hotelimage.getImagePath()), new File(savePath+"/hotel/" + hotelimage.getImagePath()));  
150.                     }  
151.             } catch (Exception e) {  
152.                     e.printStackTrace();  
153.             }  
154.             HttpSession session = request.getSession();  
155.             //验证用户是否已登录  
156.             if(session.getAttribute("AdminSession")!=null){  
157.                 UserInfo userInfo = (UserInfo) session.getAttribute("AdminSession");  
158.                 if(userInfo!=null){  
159.                     hotelimage.setUploadUserId(Integer.parseInt(userInfo.getId()));  
160.                 }  
161.             }  
162.             else{  
163.                 hotelimage.setUploadUserId(0);  
164.             }  
165.               
166.             hotelimage.setHotelId(hotelId);  
167.             hotelimage.setImageType(imageType);  
168.             hotelimage.setImageDesc(content);  
169.             hotelimage.setImageId(imageId);  
170.             int t = hotelImageService.updateImage(hotelimage);  
171.             if(t<=0){  
172.                 return "error";  
173.             }  
174.             hotelId="0";  
175.             imageType="0";  
176.             imageTitle="";  
177.         }  
178.         catch(Exception ex){  
179.             ex.printStackTrace();  
180.             return "error";  
181.         }  
182.           
183.         return ActionSupport.SUCCESS;  
184.     }  
185.       
186.       
187.     public String auditImage() {  
188.         HttpServletRequest request = ServletActionContext.getRequest();  
189.         HttpSession session = request.getSession();  
190.         UserInfo userInfo = (UserInfo) session.getAttribute("AdminSession");  
191.         HotelImage image =new HotelImage();  
192.         image.setImageId(imageId);  
193.         image.setAudit_flag(request.getParameter("audit_flag"));  
194.         image.setAudit_fault_reson(request.getParameter("audit_fault_reason"));  
195.         image.setAudit_user(Integer.valueOf(userInfo.getId()));  
196.         hotelImageService.auditImage(image);  
197.         return ActionSupport.SUCCESS;  
198.           
199.     }  
200.       
201.     public String deleteImage(){  
202.         HttpServletRequest request = ServletActionContext.getRequest();  
203.         String [] ids = request.getParameterValues("checkedIds");  
204.         String newsIds = StringUtils.join(ids, ",");  
205.         hotelImageService.deleteImageByIds(newsIds);  
206.         return "success";  
207.     }  
208.       
209.     public String getGallerialImage(){  
210.         HotelImage image = new HotelImage();  
211.         image.setStartRow(1);  
212.         image.setPageSize(20);  
213.         String path = request.getContextPath() +"/upload/hotel/";  
214.         List<HotelImage> list = hotelImageService.getImageList(image);  
215.         List<GalleriaImage> galleriaImages  = new ArrayList<GalleriaImage>();  
216.         GalleriaImage galleriaImage = null;  
217.         for(int i=0;i<list.size();i++){  
218.             galleriaImage = new GalleriaImage();  
219.             image = list.get(i);  
220.             galleriaImage.setDescription(image.getImageDesc());  
221.             galleriaImage.setImage(path+image.getImagePath());  
222.             galleriaImage.setTitle(image.getImageTitle());  
223.             galleriaImages.add(galleriaImage);  
224.         }  
225.           
226.         JSONArray jo = JSONArray.fromObject(galleriaImages);  
227.         json = jo.toString();  
228.         return "success";  
229.     }  
230. }  
231.   
232. //getter  setter略