Bootstrap如何上传图片

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>












    
    
     
    
    
    


     
     
        图片上传
        
            
        

二、Controller层代码

package com.llh.controller;

import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.Random;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import com.llh.service.UploadService;

/**
 *
 * @author Administrator
 *
 */
@Controller
@Scope("prototype")

public class UploadController {

    @Resource
    private UploadService uploadService;

    @RequestMapping(value="upload")
    public @ResponseBody String upload(HttpServletRequest request,MultipartFile file) throws IllegalStateException, IOException{
        String name= file.getOriginalFilename();
        String path = request.getServletContext().getRealPath("/upload/");//上传保存的路径
        String fileName = changeName(name);
        String rappendix = "upload/" + fileName;
        fileName = path + "\\" + fileName;
        File file1 = new File(fileName);
        file.transferTo(file1);
        String str = "{\"src\":\"" + rappendix + "\"}";
        return str;
    }
    public static String changeName(String oldName){
        Random r = new Random();
        Date d = new Date();
        String newName = oldName.substring(oldName.indexOf('.'));
        newName = r.nextInt(99999999) + d.getTime() + newName;
        return newName;
    }

}

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