37 lines
687 B
Markdown
37 lines
687 B
Markdown
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# FileWriter::FileWriter (默认构造)
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```cpp
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FileWriter();
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```
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默认构造 FileWriter 对象，不打开任何文件。
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**描述**
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创建 FileWriter 实例，m_file 初始化为 nullptr。可后续通过 Open 方法打开文件。
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**线程安全：** ❌
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**复杂度：** O(1)
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**示例：**
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```cpp
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#include <XCEngine/Core/FileWriter.h>
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using namespace XCEngine::Core;
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FileWriter writer;
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if (!writer.IsOpen()) {
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writer.Open("output.txt");
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writer.Write("Hello\n");
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writer.Close();
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}
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```
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## 相关文档
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- [FileWriter 总览](filewriter.md) - 返回类总览
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- [Open](Open.md) - 打开文件
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- [FileWriter(filePath, append)](ctor-file.md) - 构造并打开文件
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