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在进行相关文件和文件路径判断时候，ufun提供了内置的方法。
7 ?# }* b3 U" j8 f! f( u* _; L6 _UC4560 通过设置第二个 参数为 100 可以判断文件夹，通过设置 为 0 可以查找文件。
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5 `+ z1 K) f8 `$ u5 T8 K" ~) Muc4560 (view source)3 H" J7 j8 Q9 \* Z
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Defined in: uf_cfi.h
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Overview- o4 E0 n4 Q3 d/ x8 V4 V
2 O2 M% W8 R. n) Z' qChecks whether the specified file of the given type exists.. `, X4 Q* P) }$ R1 a$ x( Z0 ~
$ y, h* i; \' I: fNOTE: Mixed or upper case file names may not be found if the/ Q% H- C: h" O0 D% ~* W
environment variable UGII_OPTION = LOWER is set.. s/ d3 X5 P& X ?3 O8 f
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Passing an ftype of 0 will look for a file but does not work for a directory.$ [ A% m* S$ v- Y) y1 U' B v0 L, h2 J" U
To check for a directory the ftype must be set to 100.
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2 z8 G m4 A3 O @4 r2 U* FReturn code: @) ]0 j/ r, }0 Q8 }# z8 l- G* q0 _
< 0 = Error
+ H! ?) V- W6 A+ k; F. B$ z= 0 = File Exists, q# A t, o/ `
= 1 = File Does Not Exist0 L1 P( r4 o! h; P9 q
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) @: A% u7 M; u( a( nEnvironment
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, c/ d4 _1 i6 G; R' W, H1 BInternal and External
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See Also
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: W Q* t# n+ t9 K# I3 LFor description of file types see table
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Required License(s)
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$ V0 n2 j9 G1 cgateway
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. m2 j; T' @7 D% r; Uint uc45604 y$ _8 J$ E0 `1 z( Z1 V
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5 p9 A2 r3 w# ]/ k3 T# d3 fconst char * fspec,' D. E k% @9 \$ |9 C# B
int ftype0 }: m9 R( y" Y3 C3 U X- `
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| const char * | fspec | Input | File to check | | int | ftype | Input | File type
& R" Y8 |9 P# I, ~0 will check for files
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8 J$ g/ P5 O4 E% G V, V查找文件也可以通过UF_CFI_ask_file_exist* `; ^4 \5 L2 f# \, W+ l
' B! y5 L* E: ?# W/ Y2 v2 d" _UF_CFI_ask_file_exist (view source)
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Defined in: uf_cfi.h
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Overview
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7 c S6 m: `; J1 e9 N! o- gTest if a file exists.
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Note: This function only works with files - not directories. To check if a
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2 Z4 g" M; V( \4 M( P. ^) dReturn
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0 - No error
; l. c$ ~$ n$ D: B/ L7 G& T( ZOtherwise - Error Code. C& J. R5 U: k$ u* R# c
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& i3 O9 D; s3 ~3 v! bEnvironment
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5 @5 ^( _/ }6 O# N1 P) I5 D3 z; AInternal and External
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History0 I, C: Q5 Z2 W% d: I" x1 K6 P
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Originally released in V16.0: l/ P: h' v' ]; X* e6 q
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8 T, |" {- ]+ P- l9 j# u4 Z* MRequired License(s)
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. M0 o$ C4 u6 ]int UF_CFI_ask_file_exist3 E% d8 Z. u; ?
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const char * file_spec,! B4 v3 Z3 n! U8 ~( F7 f+ _
int * status
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| const char * | file_spec | Input | The file to check | | int * | status | Output | File existence status.: q* K" x7 Z4 C/ V2 x9 o
0 - file exists
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发表于 2019-10-9 08:31:23
