把游戏项目迁移到IOS64 上面又出现了自动寻路无效的BUG，在XCode Console中有提示AStarpath异常，
Bad date/time format in the zip file
文章来自播客 http://blog.csdn.net/huutu文章来自播客 http://blog.csdn.net/huutu
我们从谷歌下载到DotnetZip的源代码，然后在整个项目中搜索异常信息，定位到文件 Shared.cs
文章来自播客 http://blog.csdn.net/huutu
文章来自播客 http://blog.csdn.net/huutu
internal static DateTime PackedToDateTime(Int32 packedDateTime)
{
// workitem 7074 & workitem 7170
if (packedDateTime == 0xFFFF || packedDateTime == 0)
return new System.DateTime(1995, 1, 1, 0, 0, 0, 0); // return a fixed date when none is supplied.
Int16 packedTime = unchecked((Int16)(packedDateTime & 0x0000ffff));
Int16 packedDate = unchecked((Int16)((packedDateTime & 0xffff0000) >> 16));
int year = 1980 + ((packedDate & 0xFE00) >> 9);
int month = (packedDate & 0x01E0) >> 5;
int day = packedDate & 0x001F;
int hour = (packedTime & 0xF800) >> 11;
int minute = (packedTime & 0x07E0) >> 5;
//int second = packedTime & 0x001F;
int second = (packedTime & 0x001F) * 2;
// validation and error checking.
// this is not foolproof but will catch most errors.
if (second >= 60) { minute++; second = 0; }
if (minute >= 60) { hour++; minute = 0; }
if (hour >= 24) { day++; hour = 0; }
DateTime d = System.DateTime.Now;
bool success= false;
try
{
d = new System.DateTime(year, month, day, hour, minute, second, 0);
success= true;
}
catch (System.ArgumentOutOfRangeException)
{
if (year == 1980 && (month == 0 || day == 0))
{
try
{
d = new System.DateTime(1980, 1, 1, hour, minute, second, 0);
success= true;
}
catch (System.ArgumentOutOfRangeException)
{
try
{
d = new System.DateTime(1980, 1, 1, 0, 0, 0, 0);
success= true;
}
catch (System.ArgumentOutOfRangeException) { }
}
}
// workitem 8814
// my god, I can't believe how many different ways applications
// can mess up a simple date format.
else
{
try
{
while (year < 1980) year++;
while (year > 2030) year--;
while (month < 1) month++;
while (month > 12) month--;
while (day < 1) day++;
while (day > 28) day--;
while (minute < 0) minute++;
while (minute > 59) minute--;
while (second < 0) second++;
while (second > 59) second--;
d = new System.DateTime(year, month, day, hour, minute, second, 0);
success= true;
}
catch (System.ArgumentOutOfRangeException) { }
}
}
if (!success)
{
string msg = String.Format("y({0}) m({1}) d({2}) h({3}) m({4}) s({5})", year, month, day, hour, minute, second);
throw new ZipException(String.Format("Bad date/time format in the zip file. ({0})", msg));
}
// workitem 6191
//d = AdjustTime_Reverse(d);
d = DateTime.SpecifyKind(d, DateTimeKind.Local);
return d;
}文章来自播客 http://blog.csdn.net/huutu文章来自播客 http://blog.csdn.net/huutu
作为一个ZIP库，自然而然是需要读取文件中存储的时间信息的，但是我们这里用来作为读取AStarPath保存的寻路信息，那ZIP中的时间数据对我们来说一点用处没有，所以
我们也不用管为什么会抛出异常，直接返回一个时间，我这里就返回现在时间吧！ 文章来自播客 http://blog.csdn.net/huutu
修改后的函数
internal static DateTime PackedToDateTime(Int32 packedDateTime)
{
return System.DateTime.Now;
// workitem 7074 & workitem 7170
if (packedDateTime == 0xFFFF || packedDateTime == 0)
return new System.DateTime(1995, 1, 1, 0, 0, 0, 0); // return a fixed date when none is supplied.
Int16 packedTime = unchecked((Int16)(packedDateTime & 0x0000ffff));
Int16 packedDate = unchecked((Int16)((packedDateTime & 0xffff0000) >> 16));
int year = 1980 + ((packedDate & 0xFE00) >> 9);
int month = (packedDate & 0x01E0) >> 5;
int day = packedDate & 0x001F;
int hour = (packedTime & 0xF800) >> 11;
int minute = (packedTime & 0x07E0) >> 5;
//int second = packedTime & 0x001F;
int second = (packedTime & 0x001F) * 2;
// validation and error checking.
// this is not foolproof but will catch most errors.
if (second >= 60) { minute++; second = 0; }
if (minute >= 60) { hour++; minute = 0; }
if (hour >= 24) { day++; hour = 0; }
DateTime d = System.DateTime.Now;
bool success= false;
try
{
d = new System.DateTime(year, month, day, hour, minute, second, 0);
success= true;
}
catch (System.ArgumentOutOfRangeException)
{
if (year == 1980 && (month == 0 || day == 0))
{
try
{
d = new System.DateTime(1980, 1, 1, hour, minute, second, 0);
success= true;
}
catch (System.ArgumentOutOfRangeException)
{
try
{
d = new System.DateTime(1980, 1, 1, 0, 0, 0, 0);
success= true;
}
catch (System.ArgumentOutOfRangeException) { }
}
}
// workitem 8814
// my god, I can't believe how many different ways applications
// can mess up a simple date format.
else
{
try
{
while (year < 1980) year++;
while (year > 2030) year--;
while (month < 1) month++;
while (month > 12) month--;
while (day < 1) day++;
while (day > 28) day--;
while (minute < 0) minute++;
while (minute > 59) minute--;
while (second < 0) second++;
while (second > 59) second--;
d = new System.DateTime(year, month, day, hour, minute, second, 0);
success= true;
}
catch (System.ArgumentOutOfRangeException) { }
}
}
if (!success)
{
string msg = String.Format("y({0}) m({1}) d({2}) h({3}) m({4}) s({5})", year, month, day, hour, minute, second);
throw new ZipException(String.Format("Bad date/time format in the zip file. ({0})", msg));
}
// workitem 6191
//d = AdjustTime_Reverse(d);
d = DateTime.SpecifyKind(d, DateTimeKind.Local);
return d;
}文章来自播客 http://blog.csdn.net/huutu文章来自播客 http://blog.csdn.net/huutu
http://download.csdn.net/detail/cp790621656/8481557
Unity64 AStarPath 寻路失效 Bug解决 IOS64 IL2CPP - Bad date/time format in the zip file
原文：http://blog.csdn.net/huutu/article/details/44121407