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发表于 16-4-2013 05:16 PM
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比较容易的做法是
1. loader check server main.exe version, if newer, goto 2, else goto 5
2. download from server main.exe as temp.exe
3. if download complete,
delete old.exe (older than user's old version)
rename main.exe -> old.exe
rename temp.exe -> main.exe
goto 5
4. download error, delete temp.exe
5. loader launch main.exe
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