From 00754b2fb8e71be738e6c312e11d62e64a4e82c3 Mon Sep 17 00:00:00 2001
From: Administrator <admin>
Date: Fri, 10 Dec 2021 17:13:59 +0800
Subject: [PATCH] 1.二维码批量生成修改，新增图片批量下载 2.用户修改 rtime bug 修改
---
src/main/java/org/springblade/common/utils/ImageUtils.java | 41 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/src/main/java/org/springblade/common/utils/ImageUtils.java b/src/main/java/org/springblade/common/utils/ImageUtils.java
index d19071f..eefae91 100644
--- a/src/main/java/org/springblade/common/utils/ImageUtils.java
+++ b/src/main/java/org/springblade/common/utils/ImageUtils.java
@@ -72,6 +72,47 @@
g.dispose();
return bimage;
}
+
+ /**
+ * 得到文件流
+ * @param url 图片地址
+ * @return
+ */
+ public static byte[] getFileStream(String url){
+ try {
+ URL httpUrl = new URL(url);
+ HttpURLConnection conn = (HttpURLConnection)httpUrl.openConnection();
+ conn.setRequestMethod("GET");
+ conn.setConnectTimeout(5 * 1000);
+ //通过输入流获取图片数据
+ InputStream inStream = conn.getInputStream();
+ //得到图片的二进制数据
+ byte[] btImg = readInputStream(inStream);
+ return btImg;
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ return null;
+ }
+
+ /**
+ * 从输入流中获取数据
+ * @param inStream 输入流
+ * @return
+ * @throws Exception
+ */
+ public static byte[] readInputStream(InputStream inStream) throws Exception{
+ ByteArrayOutputStream outStream = new ByteArrayOutputStream();
+ byte[] buffer = new byte[1024];
+ int len = 0;
+ while( (len=inStream.read(buffer)) != -1 ){
+ outStream.write(buffer, 0, len);
+ }
+ inStream.close();
+ return outStream.toByteArray();
+ }
+
+
/**
* 通过图片的url获取图片的base64字符串
* @param imgUrl 图片url
--
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