Upgrade method
1 Overwrite all files with the original files (no impact on the system)
2 The database version must be sp1, sp2, etc. 4.5 and above
3. To create supply and demand labels, only the list function and others cannot be created.
This system is a program written based on the Kexun system. The program is different from the original code of Kexun, but the functions are exactly the same. Since the label system is cumbersome, it has not been developed yet. Therefore, SQL tags must be used when publishing the column supply and demand list. Thank you Everyone helps with testing,
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