有时C#XmlSerializer序列化(保存)错误,字符数超出预期
通常情况下,您操作的文件工作正常,但有时文件会出现这样的错误。(“结束额外部分”ConfigSetting>”),我所做的是打开、编辑和保存它有时C#XmlSerializer序列化(保存)错误,字符数超出预期,c#,xmlserializer,C#,Xmlserializer,通常情况下,您操作的文件工作正常,但有时文件会出现这样的错误。(“结束额外部分”ConfigSetting>”),我所做的是打开、编辑和保存它 <?xml version="1.0"?> <SystemConfigSetting xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" IsRuntime="true"> <Re
<?xml version="1.0"?>
<SystemConfigSetting xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" IsRuntime="true">
<ReportSchedulers>
<ReportScheduler ReportName="report1" FullreportName="report1" IsEnableAutosaveReport="true" Hour="14" Minute="50" Second="0" ReportSave="Daily" DayofWeek="Sunday" LastUpdate="0001-01-01T00:00:00" />
<ReportScheduler ReportName="report2" FullreportName="report2" IsEnableAutosaveReport="false" Hour="0" Minute="0" Second="0" ReportSave="Daily" DayofWeek="Sunday" LastUpdate="0001-01-01T00:00:00" />
<ReportScheduler ReportName="report3" FullreportName="report3" IsEnableAutosaveReport="false" Hour="0" Minute="0" Second="0" ReportSave="Daily" DayofWeek="Sunday" LastUpdate="0001-01-01T00:00:00" />
<ReportScheduler ReportName="report4" FullreportName="report4" IsEnableAutosaveReport="false" Hour="0" Minute="0" Second="0" ReportSave="Daily" DayofWeek="Sunday" LastUpdate="0001-01-01T00:00:00" />
<ReportScheduler ReportName="report5" FullreportName="report5" IsEnableAutosaveReport="false" Hour="0" Minute="0" Second="0" ReportSave="Daily" DayofWeek="Sunday" LastUpdate="0001-01-01T00:00:00" />
</ReportSchedulers>
</SystemConfigSetting>ConfigSetting>
系统配置设置:
public static bool SaveSystemConfig(SystemConfigSetting systemConfig)
{
try
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(SystemConfigSetting));
using (FileStream fs = new FileStream(CONFIGFILEPATH), FileMode.Open))
{
xmlSerializer.Serialize(fs, systemConfig);
fs.Close();
}
return true;
}
catch (Exception ex)
{
return false;
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Serialization;
namespace HZSpreadSheet.Model
{
[Serializable]
[XmlRoot]
public class SystemConfigSetting
{
private bool isRuntime = false;
private List<ReportScheduler> reportSchedulers = new List<ReportScheduler>();
[XmlAttribute]
public bool IsRuntime { get => isRuntime; set => isRuntime = value; }
[XmlArray]
[XmlArrayItem]
public List<ReportScheduler> ReportSchedulers { get => reportSchedulers; set => reportSchedulers = value; }
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Serialization;
namespace HZSpreadSheet.Model
{
public enum ReportSaveFrequency
{
Daily = 0,
Weekly = 1,
Monthly = 2,
Manually =3
}
public enum DayofWeek
{
Sunday = 0,
Monday = 1,
Tuesday = 2,
Wednesday = 3,
Thursday = 4,
Friday = 5,
Saturday = 6
}
[XmlRoot]
public class ReportScheduler
{
private string abbr_reportName;
private string fullreportName;
private bool isEnableAutosaveReport = false;
private int hour = 0;
private int minute = 0;
private int second =0;
private DateTime lastUpdate;
private DayofWeek dayofWeek;
private ReportSaveFrequency reportSaveFrequency;
[XmlAttribute]
public string ReportName { get => abbr_reportName; set => abbr_reportName = value; }
[XmlAttribute]
public string FullreportName { get => fullreportName; set => fullreportName = value; }
[XmlAttribute]
public bool IsEnableAutosaveReport { get => isEnableAutosaveReport; set => isEnableAutosaveReport = value; }
[XmlAttribute]
public int Hour { get => hour; set => hour = value; }
[XmlAttribute]
public int Minute { get => minute; set => minute = value; }
[XmlAttribute]
public int Second { get => second; set => second = value; }
[XmlAttribute]
public ReportSaveFrequency ReportSaveFrequency { get => reportSaveFrequency; set => reportSaveFrequency = value; }
[XmlAttribute]
public DayofWeek DayofWeek { get => dayofWeek; set => dayofWeek = value; }
[XmlAttribute]
public DateTime LastUpdate { get => lastUpdate; set => lastUpdate = value; }
}
}
如果覆盖一个文件(或类似的流)并用较短的数据覆盖较长的文件而不截断它,就会发生这种情况。如果使用write(
FileMode.open
)打开一个随机访问的现有文件,它假定您要编辑内容,但不假定您只需要新的位。您看到的是旧负载中的额外字节,这些字节不会自动删除。有两种截断方法:
FileMode.Create
,它将文件初始化为零长度流上使用SetLength
,告诉它新的长度-例如Stream.SetLength(Stream.Position)代码>
如果覆盖一个文件(或类似的流)并用较短的数据覆盖较长的文件而不截断它,就会发生这种情况。如果使用write(
FileMode.open
)打开一个随机访问的现有文件,它假定您要编辑内容,但不假定您只需要新的位。您看到的是旧负载中的额外字节,这些字节不会自动删除。有两种截断方法:
FileMode.Create
,它将文件初始化为零长度流上使用SetLength
,告诉它新的长度-例如Stream.SetLength(Stream.Position)代码>
您的代码包含语法错误,因此我们无法真正信任您所声称的情况。请使用(FileStream fs=new FileStream(CONFIGFILEPATH),FileMode.Create)执行
操作,而不是FileMode。打开确定,我将尝试。OpenOrCreate怎么样?以前尝试过打开或创建,但仍然相同。不,也不起作用,因为它被定义为指定操作系统应打开文件(如果存在);否则,应创建一个新文件。只有打开现有文件才是问题的根本原因。创建是唯一明智的选择,假设您可能遇到文件尚不存在的情况。您的代码包含语法错误,因此我们无法真正相信您所声称的情况。请使用(FileStream fs=new FileStream(CONFIGFILEPATH),FileMode.Create)执行,而不是FileMode。打开好的,我会尝试一下。OpenOrCreate怎么样?以前尝试过打开或创建,但仍然相同。不,也不起作用,因为它被定义为指定操作系统应打开文件(如果存在);否则,应创建一个新文件。只有打开现有文件才是问题的根本原因。创建是唯一明智的选择,假设您可能遇到文件尚不存在的情况。执行选项2是否有特定的好处?@rene如果您控制创建/打开流的代码,则不存在执行选项2的特定好处?@rene如果您控制创建/打开流的代码,则不存在