1 package controller;
 2 
 3 import java.io.FileOutputStream;
 4 import java.io.IOException;
 5 import java.io.OutputStream;
 6 
 7 import javax.servlet.http.HttpServletRequest;
 8 import sun.misc.BASE64Decoder;
 9 import org.springframework.stereotype.Controller;
10 import org.springframework.web.bind.annotation.RequestMapping;
11 import org.springframework.web.bind.annotation.ResponseBody;
12 
13 @Controller
14 public class UsersMessageController {
15     private  String path;
16     @RequestMapping("insert")
17     public String insert(String file,HttpServletRequest request) throws IOException{
18         path= request.getSession().getServletContext().getRealPath("image/head");
19         System.out.println(path);
20         String [] base64s=file.split(",");
21         /*System.out.println("OriginalFilename: " + file.getOriginalFilename());
22         System.out.println("InputStream: " + file.getInputStream());*/
23         boolean t=GenerateImage(base64s[1]);
24         return "ceshi";
25     }
26     public boolean GenerateImage(String imgStr)  
27     {   //对字节数组字符串进行Base64解码并生成图片  
28         if (imgStr == null) //图像数据为空  
29             return false;  
30         BASE64Decoder decoder = new BASE64Decoder();  
31         try   
32         {  
33             //Base64解码  
34             byte[] b = decoder.decodeBuffer(imgStr);  
35             for(int i=0;i<b.length;++i)  
36             {  
37                 if(b[i]<0)  
38                 {//调整异常数据  
39                     b[i]+=256;  
40                 }  
41             }  
42             //生成jpeg图片  
43             String imgFilePath = path+"\\1.jpg";//新生成的图片  
44             OutputStream out = new FileOutputStream(imgFilePath);      
45             out.write(b);  
46             out.flush();  
47             out.close();  
48             return true;  
49         }   
50         catch (Exception e)   
51         {  
52             return false;  
53         }  
54     }  
55 }