补零
PadLeft
this->Caption= this->Caption.StringOfChar('0',10-Caption.Length())+Caption;
UnicodeString __fastcall StringOfChar(WideChar Ch, int Count);
str = str.StringOfChar('0', 10 - str.Length()) + str;
补零
PadLeft
this->Caption= this->Caption.StringOfChar('0',10-Caption.Length())+Caption;
UnicodeString __fastcall StringOfChar(WideChar Ch, int Count);
str = str.StringOfChar('0', 10 - str.Length()) + str;
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