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发表于 2012-11-13 08:48:12
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1判断语句4 ]' f- Q/ M. `
if <condition> then
! _# W% C7 j0 [ A+ _+ w* u& p <statement sequence1>;" u( Q/ Z( O% m1 X
elseif <condition> then
3 N* u9 q1 P- ~9 } <statement sequence2>;
, x0 U+ v% ?+ g; _) ]1 k. u9 q5 m else
& \. i- G4 \# V" K. L* |$ q <statement sequence3>;
W% Q* H( {/ X# O0 I+ D. v& u; b end;
; {% H# L5 g& t( M( \如果分支比较多，用：# F4 {' U6 q+ E0 T( G
inspect <expression>
! R% i" D, g I4 b when <constant_list> then
) F) D: @3 x9 n+ w( Z% ~! N' N( U <statement sequence1>;4 P7 a) Q. T$ o1 X7 I
when <constant_list> then
- J% s# o- W, V7 R8 D0 p0 M <statement sequence2>;
4 y5 C! k" W9 y* K# B( A ...
0 _+ l& R7 w6 o9 x/ T$ n6 l! l else4 s' I2 m3 d# n9 s1 K' U) _% v
<statement sequence3>;
& m* H% V2 Z' n5 Z" K- F2 ~end;
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, T6 C; h* J- |; m! @3 U i2循环语句 ?% z. i4 v5 d; _* w
(1) from <statement sequence1>
9 T) L6 g2 {4 v4 D" Z5 f. l until <condition> loop
/ m3 I; B; j* A6 \ <statement sequence2>;
4 A- z* L! S4 l% r end;
" Y1 Z, _) @4 s (2) while <condition> loop( m7 W4 Y6 ?) m) I r: k
<statement sequence1>;
: w- }) ?0 K1 [: X" J3 d end;6 J1 N5 t7 d3 Y+ j% A% k
(3) repeat 1 A3 F k* Z0 D+ z' p- C) p! O7 p8 Z
<statement sequence1>;' S, @3 C+ D' `+ i3 w
until <condition>;8 M/ s$ g! H5 P% X. P0 X. Z
(4) for <condition> to <condition> loop
6 f9 M J7 H1 m% n1 p4 D" X <statement sequence1>;% h% s2 q, R7 P) Z, k3 M
next;
/ X' N# t% F" T3中断语句; y4 p6 d# J& Z( b7 Y3 a
waituntil <condition> prio <integer expression>;
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2 f0 r) w A' ~' s以上为常用的函数！
# d& A+ r" Z2 e) [, o" a还有很多，如有需要我把资料发到你邮箱里 ! q3 @9 _) m T! e7 h& O, U
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