/// <summary>
/// 保存断点信息到文件
/// </summary>
/// <param name="resumeInfo">断点信息</param>
/// <param name="recordFile">断点记录文件</param>
public static async Task SaveAsync(ResumeInfo resumeInfo, StorageFile recordFile)
{
string jsonStr = string.Format("{{\"fileSize\":{0}, \"blockIndex\":{1}, \"blockCount\":{2}, \"contexts\":[{3}]}}",
resumeInfo.FileSize, resumeInfo.BlockIndex, resumeInfo.BlockCount, StringHelper.JsonJoin(resumeInfo.Contexts));
await FileIO.WriteTextAsync(recordFile, jsonStr);
}
/// <summary>
/// 保存断点信息到文件
/// </summary>
/// <param name="resumeInfo">断点信息</param>
/// <param name="recordFile">断点记录文件</param>
public static void Save(ResumeInfo resumeInfo, string recordFile)
{
string jsonStr = string.Format("{{\"fileSize\":{0}, \"blockIndex\":{1}, \"blockCount\":{2}, \"contexts\":[{3}]}}",
resumeInfo.FileSize, resumeInfo.BlockIndex, resumeInfo.BlockCount, StringHelper.JsonJoin(resumeInfo.Contexts));
using (FileStream fs = new FileStream(recordFile, FileMode.Create))
{
using (StreamWriter sw = new StreamWriter(fs))
{
sw.Write(jsonStr);
}
}
}
/// <summary>
/// 尝试从从文件载入断点信息
/// </summary>
/// <param name="recordFile">断点记录文件</param>
/// <returns>断点信息</returns>
public static async Task <ResumeInfo> LoadAsync(StorageFile recordFile)
{
ResumeInfo resumeInfo = null;
try
{
JsonHelper.Deserialize(await FileIO.ReadTextAsync(recordFile), out resumeInfo);
}
catch (Exception)
{
resumeInfo = null;
}
return(resumeInfo);
}
/// <summary>
/// 尝试从从文件载入断点信息
/// </summary>
/// <param name="recordFile">断点记录文件</param>
/// <returns>断点信息</returns>
public static async Task <ResumeInfo> LoadAsync(StorageFile recordFile)
{
ResumeInfo resumeInfo = null;
try
{
JsonConvert.DeserializeObject <ResumeInfo>(await FileIO.ReadTextAsync(recordFile));
}
catch (Exception)
{
resumeInfo = null;
}
return(resumeInfo);
}
/// <summary>
/// 尝试从从文件载入断点信息
/// </summary>
/// <param name="recordFile">断点记录文件</param>
/// <returns>断点信息</returns>
public static ResumeInfo Load(string recordFile)
{
ResumeInfo resumeInfo = null;
try
{
using (FileStream fs = new FileStream(recordFile, FileMode.Open))
{
using (StreamReader sr = new StreamReader(fs))
{
string jsonStr = sr.ReadToEnd();
JsonHelper.Deserialize(jsonStr, out resumeInfo);
}
}
}
catch (Exception)
{
resumeInfo = null;
}
return(resumeInfo);
}
/// <summary>
/// 尝试从从文件载入断点信息
/// </summary>
/// <param name="recordFile">断点记录文件</param>
/// <returns>断点信息</returns>
public static async Task <ResumeInfo> LoadAsync(string recordFile)
{
ResumeInfo resumeInfo = null;
try
{
using (FileStream fs = new FileStream(recordFile, FileMode.Open))
{
using (StreamReader sr = new StreamReader(fs))
{
string jsonStr = await sr.ReadToEndAsync();
resumeInfo = JsonConvert.DeserializeObject <ResumeInfo>(jsonStr);
}
}
}
catch (Exception)
{
resumeInfo = null;
}
return(resumeInfo);
}