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zu1k
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Jul 21, 2020
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,8 +1,24 @@ | ||
package common | ||
|
||
import ( | ||
"log" | ||
"os" | ||
) | ||
|
||
func ByteToUInt32(data []byte) uint32 { | ||
i := uint32(data[0]) & 0xff | ||
i |= (uint32(data[1]) << 8) & 0xff00 | ||
i |= (uint32(data[2]) << 16) & 0xff0000 | ||
return i | ||
} | ||
|
||
func ExistThenRemove(filePath string) { | ||
_, err := os.Stat(filePath) | ||
if err == nil { | ||
err = os.Remove(filePath) | ||
if err != nil { | ||
log.Fatalln("旧文件删除失败", err.Error()) | ||
os.Exit(1) | ||
} | ||
} | ||
} |
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