49 lines
988 B
Markdown
49 lines
988 B
Markdown
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# FileWriter::Write
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```cpp
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bool Write(const char* data, size_t length);
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bool Write(const Containers::String& str);
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```
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写入数据到文件。
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**描述**
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将数据写入文件。如果文件未打开，操作会失败。
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**参数：**
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- `data` - 要写入的字符数据
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- `length` - 要写入的字节数
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- `str` - 要写入的 String 对象
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**返回：** `bool` - 是否写入成功
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**复杂度：** O(n) 其中 n 为写入的字节数
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**示例：**
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```cpp
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#include <XCEngine/Core/FileWriter.h>
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#include <XCEngine/Containers/String.h>
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using namespace XCEngine::Core;
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FileWriter writer("output.txt");
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if (writer.IsOpen()) {
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// 写入原始字符数组
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writer.Write("Hello, World!", 13);
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writer.Write("\n", 1);
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// 写入 String
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Containers::String message = "This is a test string";
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writer.Write(message);
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writer.Flush();
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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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- [Flush](Flush.md) - 刷新缓冲区
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