图片地址转为base64

package com.newcapec.custom.utils;

import sun.misc.BASE64Encoder;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;


public class GetPhotoBase64Util {


	private static String strNetImageToBase64;

	public static void main(String[] args) {
		String aa=getImageBase("url");
		System.out.println(aa);
	}
	public static String getImageBase(String src) {


		InputStream inputStream = null;
		ByteArrayOutputStream outputStream = null;
		byte[] buffer = null;
		try {
			// 创建URL
			URL url = new URL(src);
			// 创建链接
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			conn.setRequestMethod("GET");
			conn.setConnectTimeout(5000);
			inputStream = conn.getInputStream();
			outputStream = new ByteArrayOutputStream();
			// 将内容读取内存中
			buffer = new byte[1024];
			int len = -1;
			while ((len = inputStream.read(buffer)) != -1) {
				outputStream.write(buffer, 0, len);
			}
			buffer = outputStream.toByteArray();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (inputStream != null) {
				try {
					// 关闭inputStream流
					inputStream.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			if (outputStream != null) {
				try {
					// 关闭outputStream流
					outputStream.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		// 对字节数组Base64编码
		return new BASE64Encoder().encode(buffer);

	}

}