springboot输出图像流示例

package com.zbkj.crmeb.test.controller;

import com.utils.VerifyCodeUtils;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

import org.springframework.web.context.request.RequestAttributes;

import org.springframework.web.context.request.RequestContextHolder;

import org.springframework.web.context.request.ServletRequestAttributes;

import javax.annotation.Resource;

import javax.imageio.ImageIO;

import javax.servlet.http.HttpServletResponse;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.OutputStream;

@RestController

public class HelloWorldController {

    @Resource

    private HttpServletResponse response;

    @RequestMapping("/helloImage")

    public void helloImage(){

        try {

            BufferedImage image = ImageIO.read(new FileInputStream(new File("D:\\chrome.png")));

            response.setContentType("image/png");

            OutputStream os = response.getOutputStream();

            if (image != null) {

                ImageIO.write(image, "png", os);

}

            os.flush();

            os.close();

        } catch (IOException e) {

            e.printStackTrace();

}

}

}

在 Zblog