From 5d7b65670282a4fad015e37d567cfa171b162052 Mon Sep 17 00:00:00 2001
From: huliguo <2023611923@qq.com>
Date: 星期二, 20 五月 2025 12:25:19 +0800
Subject: [PATCH] 基础代码
---
pt-common/src/main/java/com/ruoyi/common/utils/file/ImageUtils.java | 98 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 98 insertions(+), 0 deletions(-)
diff --git a/pt-common/src/main/java/com/ruoyi/common/utils/file/ImageUtils.java b/pt-common/src/main/java/com/ruoyi/common/utils/file/ImageUtils.java
new file mode 100644
index 0000000..432dfda
--- /dev/null
+++ b/pt-common/src/main/java/com/ruoyi/common/utils/file/ImageUtils.java
@@ -0,0 +1,98 @@
+package com.ruoyi.common.utils.file;
+
+import java.io.ByteArrayInputStream;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Arrays;
+import org.apache.poi.util.IOUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import com.ruoyi.common.config.RuoYiConfig;
+import com.ruoyi.common.constant.Constants;
+import com.ruoyi.common.utils.StringUtils;
+
+/**
+ * 图片处理工具类
+ *
+ * @author ruoyi
+ */
+public class ImageUtils
+{
+ private static final Logger log = LoggerFactory.getLogger(ImageUtils.class);
+
+ public static byte[] getImage(String imagePath)
+ {
+ InputStream is = getFile(imagePath);
+ try
+ {
+ return IOUtils.toByteArray(is);
+ }
+ catch (Exception e)
+ {
+ log.error("图片加载异常 {}", e);
+ return null;
+ }
+ finally
+ {
+ IOUtils.closeQuietly(is);
+ }
+ }
+
+ public static InputStream getFile(String imagePath)
+ {
+ try
+ {
+ byte[] result = readFile(imagePath);
+ result = Arrays.copyOf(result, result.length);
+ return new ByteArrayInputStream(result);
+ }
+ catch (Exception e)
+ {
+ log.error("获取图片异常 {}", e);
+ }
+ return null;
+ }
+
+ /**
+ * 读取文件为字节数据
+ *
+ * @param url 地址
+ * @return 字节数据
+ */
+ public static byte[] readFile(String url)
+ {
+ InputStream in = null;
+ try
+ {
+ if (url.startsWith("http"))
+ {
+ // 网络地址
+ URL urlObj = new URL(url);
+ URLConnection urlConnection = urlObj.openConnection();
+ urlConnection.setConnectTimeout(30 * 1000);
+ urlConnection.setReadTimeout(60 * 1000);
+ urlConnection.setDoInput(true);
+ in = urlConnection.getInputStream();
+ }
+ else
+ {
+ // 本机地址
+ String localPath = RuoYiConfig.getProfile();
+ String downloadPath = localPath + StringUtils.substringAfter(url, Constants.RESOURCE_PREFIX);
+ in = new FileInputStream(downloadPath);
+ }
+ return IOUtils.toByteArray(in);
+ }
+ catch (Exception e)
+ {
+ log.error("获取文件路径异常 {}", e);
+ return null;
+ }
+ finally
+ {
+ IOUtils.closeQuietly(in);
+ }
+ }
+}
--
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