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FileWriter增加方法，可选是否追加换行符（issue#3858@Github）

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This commit is contained in:
Looly 2025-02-18 19:01:52 +08:00
parent fcab6e6340
commit 3ec1b3745d
2 changed files with 26 additions and 6 deletions
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7
hutool-core/src/main/java/org/dromara/hutool/core/io/file/FileWriter.java
View File

@ -204,7 +204,7 @@ public class FileWriter extends FileWrapper {
* @since 3.1.0 * @since 3.1.0
*/ */
public <T> File writeLines(final Iterable<T> list, final LineSeparator lineSeparator, final boolean isAppend) throws IORuntimeException { public <T> File writeLines(final Iterable<T> list, final LineSeparator lineSeparator, final boolean isAppend) throws IORuntimeException {
return writeLines(list, lineSeparator, isAppend, false); return writeLines(list, lineSeparator, isAppend, true);
} }
/** /**
@ -234,14 +234,13 @@ public class FileWriter extends FileWrapper {
printNewLine(writer, lineSeparator); printNewLine(writer, lineSeparator);
} }
writer.print(t); writer.print(t);
}
}
if(appendLineSeparator){ if(appendLineSeparator){
printNewLine(writer, lineSeparator); printNewLine(writer, lineSeparator);
} }
writer.flush(); writer.flush();
} }
}
}
return this.file; return this.file;
} }

21
hutool-core/src/test/java/org/dromara/hutool/core/io/file/FileWriterTest.java Normal file
View File

@ -0,0 +1,21 @@
package org.dromara.hutool.core.io.file;
import org.dromara.hutool.core.collection.ListUtil;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
public class FileWriterTest {
@Test
@Disabled
void writeLinesAppendLineSeparatorTest() {
final FileWriter writer = FileWriter.of(FileUtil.file("d:/test/lines_append_line_separator.txt"));
writer.writeLines(ListUtil.of("aaa", "bbb", "ccc"), null, false);
}
@Test
@Disabled
void writeLinesTest() {
final FileWriter writer = FileWriter.of(FileUtil.file("d:/test/lines.txt"));
writer.writeLines(ListUtil.of("aaa", "bbb", "ccc"), null, false, false);
}
}