From af6d33f7c16b121538a6cdd417728e03c4ad0ef1 Mon Sep 17 00:00:00 2001 From: heheng <475597332@qq.com> Date: 星期四, 19 六月 2025 16:55:19 +0800 Subject: [PATCH] 准东数据推送 --- src/main/java/com/ruoyi/common/utils/ImageToBase64.java | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 48 insertions(+), 0 deletions(-) diff --git a/src/main/java/com/ruoyi/common/utils/ImageToBase64.java b/src/main/java/com/ruoyi/common/utils/ImageToBase64.java new file mode 100644 index 0000000..6b3e28f --- /dev/null +++ b/src/main/java/com/ruoyi/common/utils/ImageToBase64.java @@ -0,0 +1,48 @@ +package com.ruoyi.common.utils; + +import java.io.ByteArrayOutputStream; +import java.io.InputStream; +import java.net.HttpURLConnection; +import java.net.URL; +import java.util.Base64; + +public class ImageToBase64 { + + public static String convertImageToBase64(String imageUrl) { + try { + // 创建URL对象 + URL url = new URL(imageUrl); + HttpURLConnection connection = (HttpURLConnection) url.openConnection(); + + // 设置请求方法和超时时间 + connection.setRequestMethod("GET"); + connection.setConnectTimeout(5000); + connection.setReadTimeout(5000); + connection.setDoInput(true); + + // 获取输入流 + InputStream inputStream = connection.getInputStream(); + + // 读取图片字节数据 + ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); + byte[] buffer = new byte[1024]; + int bytesRead; + while ((bytesRead = inputStream.read(buffer)) != -1) { + byteArrayOutputStream.write(buffer, 0, bytesRead); + } + byte[] imageBytes = byteArrayOutputStream.toByteArray(); + + // 关闭流 + inputStream.close(); + byteArrayOutputStream.close(); + + // 将图片字节数组编码为 Base64 字符串 + return Base64.getEncoder().encodeToString(imageBytes); + } catch (Exception e) { + e.printStackTrace(); + return null; + } + + } + +} -- Gitblit v1.9.2