From d57fc1094625792b20d5ec713bcf9dfb1901ed68 Mon Sep 17 00:00:00 2001
From: fwq <582742538@qq.com>
Date: 星期五, 01 九月 2023 10:17:15 +0800
Subject: [PATCH] 增加Excel解析不为空的校验
---
src/main/java/com/hx/util/FileConvertTool.java | 32 ++++++++++++++++++++++++++++++++
1 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/hx/util/FileConvertTool.java b/src/main/java/com/hx/util/FileConvertTool.java
index a57a0fd..1598f98 100644
--- a/src/main/java/com/hx/util/FileConvertTool.java
+++ b/src/main/java/com/hx/util/FileConvertTool.java
@@ -1,5 +1,6 @@
package com.hx.util;
+import com.hx.exception.TipsException;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.io.IOUtils;
@@ -7,6 +8,7 @@
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
import sun.misc.BASE64Decoder;
+import sun.misc.BASE64Encoder;
import java.io.*;
import java.net.URL;
@@ -299,5 +301,35 @@
}
}
+ public static String encodeBase64File(File file) throws Exception {
+ FileInputStream fileInputStream = new FileInputStream(file);
+ byte[] bytes = new byte[fileInputStream.available()];
+ // 璇诲彇鍒� byte 閲岄潰
+ fileInputStream.read(bytes);
+ fileInputStream.close();
+ BASE64Encoder base64Encoder = new BASE64Encoder();
+ // 寰楀埌鏂囦欢 涔嬪悗杞垚beye 鐒跺悗浣跨敤base64杞爜
+ // 杞爜
+ String encode = base64Encoder.encode(bytes);
+ return encode;
+ }
+ public static String encodeBase64File(MultipartFile multipartFile) throws Exception {
+ if (multipartFile == null) {
+ throw new TipsException("鏈鏌ュ埌涓婁紶鐨勬枃浠讹紒");
+ }
+ String imageBaseStr = null;
+ try {
+ String contentType = multipartFile.getContentType();
+ byte[] imageBytes = multipartFile.getBytes();
+ BASE64Encoder base64Encoder = new BASE64Encoder();
+// imageBaseStr = "data:" + contentType + ";base64," + base64Encoder.encode(imageBytes);
+ imageBaseStr = base64Encoder.encode(imageBytes);
+ imageBaseStr = imageBaseStr.replaceAll("[\\s*\t\n\r]", "");
+ } catch (IOException e) {
+ throw new TipsException("鏂囦欢杞崲base64寮傚父");
+ }
+ //杩斿洖鐢熸垚鐨勭紪鐮�
+ return imageBaseStr;
+ }
}
--
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