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Use createReadStream instead of saveAs for Excel download

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Bypasses saveAs filesystem path which can produce 0-byte files in headless server environments.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Niko 2026-05-05 19:36:30 +08:00
parent a393653497
commit b86d0bf82f
1 changed files with 13 additions and 4 deletions
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17
src/main/java/com/ets/scraper/EtsScraper.java
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@ -214,12 +214,21 @@ public class EtsScraper {
page.evaluate("document.querySelectorAll('button').forEach(b => { if (b.textContent.trim() === '导出') b.click(); })");
});
System.out.println("[*] Waiting for download to complete...");
dl.saveAs(savedFile);
System.out.println("[+] Download saved to: " + savedFile);
if (java.nio.file.Files.size(savedFile) == 0) {
long[] totalBytes = {0};
try (java.io.InputStream stream = dl.createReadStream();
java.io.OutputStream out = Files.newOutputStream(savedFile)) {
byte[] buf = new byte[8192];
int n;
while ((n = stream.read(buf)) > 0) {
out.write(buf, 0, n);
totalBytes[0] += n;
}
}
System.out.println("[+] Download saved to: " + savedFile + " (" + totalBytes[0] + " bytes)");
if (totalBytes[0] == 0) {
System.out.println("[-] Downloaded file is empty");
} else {
System.out.println("[+] Download size: " + java.nio.file.Files.size(savedFile) + " bytes");
System.out.println("[+] Download size: " + totalBytes[0] + " bytes");
// Auto-import to ets-proxy
autoImportBill(savedFile, proxyHost, proxyUser, proxyPass);
}