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 }
$('#test')[0].src 获取图片的src
前台上传图片插件实例
链接:https://pan.baidu.com/s/1iGsa08MLlitTbNnYT6yr3w 密码:hqyy
欢迎大家一起说出自己的想法。