我在UWP项目中使用SQLite.
我的模型类具有DateTime字段:
public class EducationInfo
{
[SQLite.Net.Attributes.PrimaryKey, SQLite.Net.Attributes.AutoIncrement]
public int educationInfoId { get; set; }
public String Education { get; set; }
public bool Enabled { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public int UserId { get; set; }
// Not in the DB
[Ignore]
public string FormattedStartDate { get; set; }
[Ignore]
public string FormattedEndDate { get; set; }
public EducationInfo()
{}
public EducationInfo(String edu, bool enabled, DateTime st, DateTime ed, int userId)
{
this.Education = edu;
this.Enabled = enabled;
this.StartDate = st;
this.EndDate = ed;
this.UserId = userId;
}
}
问题是SQLite将DateTime字段创建为bigint.如何读取此bigint并将其设置为DateTime?
`
var education = connection.Table<EducationInfo>().Where(e => e.UserId == user.userID);
foreach(var edu in education)
{
EducationInfo educationInfo = new EducationInfo();
educationInfo.StartDate = edu.StartDate;
}
上面的代码没有返回错误,但是日期值是错误的.
`
解决方法:
这是一种存储为DateTime而不是bigint的解决方案:
SQLiteConnection构造函数采用参数storeDateTimeAsTicks,其默认值为true.如果希望它使用DateTime类型而不是bigint,则可以将其传递为false.
https://github.com/oysteinkrog/SQLite.Net-PCL/issues/203
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