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大文件下载

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This commit is contained in:
thinkgem
2024-05-17 12:30:56 +08:00
parent 68cfc664ec
commit 541656c60a
1 changed files with 4 additions and 4 deletions
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8
common/src/main/java/com/jeesite/common/io/FileUtils.java
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@@ -710,11 +710,11 @@ public class FileUtils extends org.apache.commons.io.FileUtils {
end = Long.parseLong(values[1]); end = Long.parseLong(values[1]);
} }
} }
int requestSize = 0; long requestSize = 0;
if (end != 0 && end > start) { if (end != 0 && end > start) {
requestSize = Long.valueOf(end - start + 1).intValue(); requestSize = Long.valueOf(end - start + 1).intValue();
} else { } else {
requestSize = Integer.MAX_VALUE; requestSize = Long.MAX_VALUE;
} }
response.setContentType(FileUtils.getContentType(file.getName())); response.setContentType(FileUtils.getContentType(file.getName()));
boolean isPreview = "preview".equalsIgnoreCase(request.getParameter("source")); boolean isPreview = "preview".equalsIgnoreCase(request.getParameter("source"));
@@ -748,12 +748,12 @@ public class FileUtils extends org.apache.commons.io.FileUtils {
} }
} }
randomFile.seek(start); randomFile.seek(start);
int needSize = requestSize; long needSize = requestSize;
while (needSize > 0) { while (needSize > 0) {
byte[] buffer = new byte[1024]; byte[] buffer = new byte[1024];
int len = randomFile.read(buffer); int len = randomFile.read(buffer);
if (needSize < buffer.length) { if (needSize < buffer.length) {
out.write(buffer, 0, needSize); out.write(buffer, 0, (int)needSize);
} else { } else {
out.write(buffer, 0, len); out.write(buffer, 0, len);
if (len < buffer.length) { if (len < buffer.length) {