Java? ???? ??? ??? ??? ??: (??: Java ??? ????)
錯(cuò)誤方式: response.setHeader("Content-Disposition", "inline;filename="+ new String(fileName.getBytes(),"utf-8")); String fileName = aicaseNodeDeptService.getFilename(request)+".xlsx"; response.setCharacterEncoding("UTF-8"); response.setContentType("application/ms-excel"); 正確的方式: response.setHeader("Content-Disposition", "inline;filename="+ new String(fileName.getBytes("utf-8"),"iso8859-1"));
??: httpheader??? ?? ??? ?? ????? ??? ? iso8859-1? ????? ???. ?? ?? ?? ??? Strings_utf8 = newString(s_iso88591.getBytes("ISO8859-1"), "UTF-8")? ???? ??? ??? ?? "中"? ????. ??? ?? ???? ??? ???? ???? ?????.
Java?? String? getBytes() ???? ?? ??? ?? ??? ???? ??? ??? ???? ????. ?? ?? ??? ?? ???? ??? ???? ?? ?????.
String.getBytes(Stringdecode) ???? ??? ?? ??? ??? ????? ?? ???? ??? ?? ??? ?????. GBK, UTF-8, ISO8859-1 ????? ?? "中"? ??? ?? ??. ??
b_gbk? ??? 2,
b_utf8? ??? 3,
? ?? b_iso88591? 1???.
getBytes? ???? new String(byte[], decode)? ?? "中" ??? ??? ? ????.
? new String(byte[], decode)? ??? ??? ???? ???? byte[]? ?? ?????.
byte[] b_gbk = "中".getBytes("GBK"); byte[] b_utf8 = "中".getBytes("UTF-8"); byte[] b_iso88591 = "中".getBytes("ISO8859-1");
s_gbk, s_utf8 ? s_iso88591? ???? s_gbk ? s_utf8? ?? "medium"??? ?? ? ? ??? s_iso88591? ??? ? ?? ?????(??? ??? ??? ? ??). ? -1 ??? ??? ISO8859? ?????? ??? ????? '中'??? ??? ??? ? ???? ? ??? ?? ?????. ISO8859-1 ???? ??? ????? ??? ?? ???? ?? ?? ?????. ?? "中".getBytes("ISO8859)? ?? ISO8859-1?? ??? "中" ??? ?? ?? ??????. -1"); ???? ?? ?? ???? newString()? ?? ??? ? ????.
??? String.getBytes(Stringdecode) ???? ?? byte[]? ?? ? String? ???? ?? ?? ??? ??? ???? ??? ????? ???? ??? byte[] ??? ???? ??? ? ????. .
??:
??? ?? ?? ?? ??(?: ??? iso8859-1? ?????? ?? httpheader)? ??? ??? ???? ?? ??? ??? ??? ?? ??? ???? ???? ? ????.
String s_iso88591 = newString("中".getBytes("UTF-8"),"ISO8859-1") ??? ?? s_iso8859-1 ???? ??? ISO8859-1? ? ????, ? ???? ?? ????? ?? ??? ?????. Strings_utf8 = newString(s_iso88591.getBytes("ISO8859-
Java? ?? ??? ???
java ?? ????? ??? Java?? Excel? ??? ??? ???? ??? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

? AI ??

Undress AI Tool
??? ???? ??

Undresser.AI Undress
???? ?? ??? ??? ?? AI ?? ?

AI Clothes Remover
???? ?? ???? ??? AI ?????.

Clothoff.io
AI ? ???

Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!

?? ??

??? ??

???++7.3.1
???? ?? ?? ?? ???

SublimeText3 ??? ??
??? ??, ???? ?? ????.

???? 13.0.1 ???
??? PHP ?? ?? ??

???? CS6
??? ? ?? ??

SublimeText3 Mac ??
? ??? ?? ?? ?????(SublimeText3)

JDBC ????? ???? ????? ?? ?? ?? ??? ?? ?? ??? ?? ? ?? ??? ?? ?? ?? ??? ???????. 1. ????? ????? Conn.SetAutoCommit (False)?? ??????. 2. ??? ? ????? ?? ?? SQL ??? ?????. 3. ?? ??? ??? ?? Conn.commit ()?? ???? ??? ???? ???? ?? ??? ???? Conn.Rollback ()?? ??????. ???, ? ??? ???? ????, ??? ???? ????, ?? ??? ??? ?? ??? ??? ???? ? ???????. ?? ?? ?? ???? ????? ??? ???? ?? ?? ???? ???? ??? ????? ?? ??? ??? ? ?? ???? ?? ????.

thejvmenablesjava? "WriteOnce, Runynywhere"??? ?? excodecodethroughfourmaincomponents : 1. theclassloadersubsystemloads, ??, ? intinitializes.classfilesusingbootsprap, extension, andapplicationclassloaders, ensuringsecureandlazyclasloa

?? ?? ? ?? ???? ???? ?? Java.Time ???? ???? ??????. 2. LocalDate, LocalDateTime ? LocalTime? ?? ?? ??? ??? ?????. 3. () ???? ???? ?? ??? ??? ????. 4. ???/???? ??? ???? ??? ????? ??? ??????. 5. ZonedDateTime ? Zoneid? ???? ???? ??????. 6. DateTimeFormatter? ?? ?? ? ?? ?? ?? ???; 7. ??? ?? ?? ?? ??? ????? ?? ??????. ?? Java? ?? ??? ???? ??? ??? ???? Java.Timeapi ??? ?? ??? ???????.

Pre-FormancetArtUptimeMoryUsage, Quarkusandmicronautleadduetocompile-timeprocessingandgraalvsupport, withquarkusoftenperforminglightbetterine serverless sinarios.2.thyvelopecosyste,

NetworkPortSandfirewallsworkTogetToenableCommunication whileensuringsecurity.1.networkportSarevirtualendpointsnumbered0–65535, Withwell-nownports like80 (http), 443 (https), 22 (ssh) ? 25 (smtp) ?? (specservices

Java 's Garbage Collection (GC)? ???? ???? ???? ??????, ?? ? ??? ??? ? ??? ??? ??? ??? ????. 1.GC? ?? ?? (? : ?? ??, ?? ???, ?? ?? ?)?? ??? ???? ????, ?? ? ??? ??? ???? ?????. 2. ?? ???? ????? ????, ?? ?? ??? ??? ???? ?? ??? ??????. 3. ?? ?? ?? ?? : ??? ?? (Eden, S0, S1)? ?? ????? ?????. ??? ??? ?? ? MajorGC? ???? ? ??? ? ????. Metaspace? ??? ?? ???? ?????. 4. JVM? ??? GC ??? ?????. SerialGC? ??? ?? ????? ?????. ParallelGC? ???? ??????. CMS? ?? ???

GradleisBetTerChoiceFormostNewProjectSduetoitssuperiorflexible, Performance, and ModernToolingsupport.1.Gradle'Sgroovy/kotlindslismoreConcisENDEXPRESSIVETHANMAVEN'SVOSEXML.2.GradleOutsMaveninbuildweedweedweedweedweedweedweedweedweedweedweedweedweedweede

DEFER? ??? ???? ?? ??? ??? ???? ? ?????. ?? ??? ?? ? ? ?? ????, ??? ??? ? ?? ?? (LIFO)? ??? ?????. 1. ?? ??? ??? ? ??? ?????. 2. ?? ??? ?? ??? ??? ????? ?????. 3. ?? ? ?? ?? ??? ? ????. 4. ??? ?????? ??? ??? ???? ?????. 5. ?? ??? ???? ?? ??? ?? ??? ?????. ??? ??? ?? ?? ? ???? ???? ? ????.
