点点滴滴

package com.dagen.imgs.util;import javax.servlet.ServletOutputStream;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.*;import java.net.HttpURLConnection;import java.net.URL;import java.net.U

控制器@RequestMapping("/addGiftdouble") public Resp addGiftdouble(@RequestParam("file") MultipartFile file) { SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss"); ...

@ResponseBody @RequestMapping(value="upload") public void testUpload(@RequestParam("file") MultipartFile file) throws IOException { String fileExtension = file.getOriginalFilename().s...

首先引入com.google.zxing <dependency> <groupId>com.google.zxing</groupId> <artifactId>core</artifactId> <version>3.3.0</version> ...

public static void main(String[] args) throws Exception { URL url1 = new URL("http://oss.tiaosepan.com.cn/Atlas/2020050814124511917.png"); URLConnection uc = url1.openConnection(); InputStream inputStream = uc.getInputStream(); .

package com.dagen.imgs.util;import com.dagen.imgs.util.api.Base64Util;import sun.misc.BASE64Decoder;import sun.misc.BASE64Encoder;import java.io.*;import java.net.HttpURLConnection;import java.net.URL;public class Base64Url { /** * 将base

package com.dagen.imgs.util;import java.security.SecureRandom;import java.util.Random;public class GenerateNonceStrUtil {private static final String SYMBOLS = “0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ”;private static final Random