NSString到PDF文件- iOS

NSString *text = @"Hello, World!"; // 要转换为PDF的文本内容

// 获取PDF文件保存路径
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *pdfPath = [documentsDirectory stringByAppendingPathComponent:@"output.pdf"];

// 创建PDF上下文
UIGraphicsBeginPDFContextToFile(pdfPath, CGRectZero, nil);

// 开始PDF页面
UIGraphicsBeginPDFPage();

// 设置文本绘制属性
NSDictionary *attributes = @{NSFontAttributeName: [UIFont systemFontOfSize:12.0]};
CGRect textRect = CGRectMake(50, 50, 200, 200);

// 绘制文本到PDF页面
[text drawInRect:textRect withAttributes:attributes];

// 结束PDF上下文
UIGraphicsEndPDFContext();