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发表于 2012-11-13 08:48:12
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1判断语句
: R* |' m9 |- x, q& h1 R6 Z if <condition> then- k5 M) T8 D9 A' j B Q6 _
<statement sequence1>;9 p2 ]* b8 [2 p. b7 \+ h% a" \" b. o
elseif <condition> then, U) T3 g. u9 p9 e( R
<statement sequence2>;) z2 W% t# s. F, U e2 R
else & Y7 R: u2 Y: U
<statement sequence3>;7 d% w" c& l/ Z* W0 J
end;
! C9 N$ j. D/ B0 A2 Q- G如果分支比较多，用：
. Y' N; M+ \# v. F- V7 A, P& C inspect <expression>
& A5 g* y) Z- D! s3 b, d when <constant_list> then
5 M# O2 d/ h+ ~6 s, p6 @ <statement sequence1>;
) ?3 Z; _3 c9 O when <constant_list> then
g8 P: Y8 d1 ]2 D2 n' y- D5 `1 S <statement sequence2>;
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else
h, G, F; _6 @4 a0 D& x <statement sequence3>;
+ L8 Y3 ^% o5 D. o5 ~" ]end;
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2循环语句
8 ^+ K( T# c4 e9 S6 @# u" _ (1) from <statement sequence1>
" Y, }" Z" l" C0 Q* V until <condition> loop
4 A+ u! J. v& d2 e% O+ Z <statement sequence2>;- {1 ]: J. M6 J: @. ?, Y9 ]
end;9 K; ?* F% ~5 m3 H
(2) while <condition> loop
" S) f3 A3 `9 A, L+ t8 e6 D5 |6 } <statement sequence1>;
+ w7 ~' h8 O" o) C- e* h# h end;
7 J, _" B* b* a) f (3) repeat ) W$ u z" N1 z
<statement sequence1>;
; i2 K. t7 X4 ^3 |% W8 E3 ? until <condition>; @. W- H- F7 X. J! m2 v; t
(4) for <condition> to <condition> loop
8 h& Y$ T. x( y4 n$ ^+ C <statement sequence1>;; o( v% O9 K/ o+ z3 B5 d) ^
next;
$ {3 c" {3 }9 i& [3中断语句- B, ?$ S; c! z4 H" s
waituntil <condition> prio <integer expression>;' [1 H2 l& T7 E! w$ e6 S9 N5 d/ e
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# Y4 W+ O! `% B! `9 R9 `/ ]
以上为常用的函数！
- r( f* o2 m2 s8 S! H还有很多，如有需要我把资料发到你邮箱里
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