图片地址是BASE64的图片上传（头像上传）

package controller;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import javax.servlet.http.HttpServletRequest;
import sun.misc.BASE64Decoder;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class UsersMessageController {
    private  String path;
    @RequestMapping("insert")
    public String insert(String file,HttpServletRequest request) throws IOException{
        path= request.getSession().getServletContext().getRealPath("image/head");
        System.out.println(path);
        String [] base64s=file.split(",");
        /*System.out.println("OriginalFilename: " + file.getOriginalFilename());
        System.out.println("InputStream: " + file.getInputStream());*/
        boolean t=GenerateImage(base64s[1]);
        return "ceshi";
    }
    public boolean GenerateImage(String imgStr)  
    {   //对字节数组字符串进行Base64解码并生成图片  
        if (imgStr == null) //图像数据为空  
            return false;  
        BASE64Decoder decoder = new BASE64Decoder();  
        try   
        {  
            //Base64解码  
            byte[] b = decoder.decodeBuffer(imgStr);  
            for(int i=0;i<b.length;++i)  
            {  
                if(b[i]<0)  
                {//调整异常数据  
                    b[i]+=256;  
                }  
            }  
            //生成jpeg图片  
            String imgFilePath = path+"\\1.jpg";//新生成的图片  
            OutputStream out = new FileOutputStream(imgFilePath);      
            out.write(b);  
            out.flush();  
            out.close();  
            return true;  
        }   
        catch (Exception e)   
        {  
            return false;  
        }  
    }  
}

$('#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