UE5怎么解析JSON里的视频文件
时间: 2024-02-18 12:02:25 浏览: 199
在UE5中解析JSON文件可以使用JsonUtilities模块,该模块提供了一些函数可以方便地解析JSON文件,并将其转换为UE5中的数据结构。具体的步骤如下:
1. 首先需要引入JsonUtilities模块,可以在项目的.build.cs文件中添加以下代码:
```
PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "Json", "JsonUtilities" });
```
2. 创建一个结构体来存储视频信息,例如:
```
USTRUCT(BlueprintType)
struct FVideoInfo
{
GENERATED_BODY()
UPROPERTY(BlueprintReadWrite)
FString Title;
UPROPERTY(BlueprintReadWrite)
float Duration;
UPROPERTY(BlueprintReadWrite)
int32 Width;
UPROPERTY(BlueprintReadWrite)
int32 Height;
// 其他属性...
};
```
3. 在代码中读取JSON文件,并使用JsonUtilities模块解析文件,例如:
```
FString JsonString;
FFileHelper::LoadFileToString(JsonString, *JsonFilePath);
TSharedPtr<FJsonObject> JsonObject;
TSharedRef<TJsonReader<> > JsonReader = TJsonReaderFactory<>::Create(JsonString);
if (FJsonSerializer::Deserialize(JsonReader, JsonObject))
{
FVideoInfo VideoInfo;
VideoInfo.Title = JsonObject->GetStringField(TEXT("title"));
VideoInfo.Duration = JsonObject->GetNumberField(TEXT("duration"));
VideoInfo.Width = JsonObject->GetIntegerField(TEXT("width"));
VideoInfo.Height = JsonObject->GetIntegerField(TEXT("height"));
// 其他属性...
}
```
其中,JsonFilePath为JSON文件的路径,JsonObject为解析后的JSON对象,可以通过GetStringField、GetNumberField、GetIntegerField等函数获取对象中的属性值。根据具体情况,您可能需要根据JSON文件的结构进行相应的解析。
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