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发表于 2012-11-13 08:48:12
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1判断语句
7 b- a+ \/ z2 I% f if <condition> then
9 z, a# g+ s% ~) W <statement sequence1>;+ E2 u2 Q. G6 D! U
elseif <condition> then
% Q- @$ f9 d# t$ Q3 e0 r9 c# m <statement sequence2>;) t' N" G) O* t- g0 f& c
else
3 l! t. z. M5 s3 ~4 n <statement sequence3>;
* A/ Q+ p1 j) J' `* q+ K end;
! }; w0 v0 L2 l- E# B% `3 `; }如果分支比较多，用：- G: X6 o. k4 F
inspect <expression>
3 K% d% d7 x2 o8 c5 ? when <constant_list> then
% C0 B: s. T! j4 h1 r2 e <statement sequence1>;
! M& B1 ?! s. j9 Y+ k% g6 `9 ~ when <constant_list> then
# F( K( }4 Y1 E3 r# l3 F# X <statement sequence2>;
1 I; U5 U+ q4 \; y) Y ...! d% K% L" I6 H( t5 I3 e6 U3 W
else! Q" ] D5 j P5 z: ]# @
<statement sequence3>;
* p5 C/ d" f3 T( z+ l1 A& E! kend;* @4 e" v' n$ N# j5 d
' H+ P9 }+ ^2 J7 s0 X' {8 g X2循环语句
; w4 p! d7 e9 r4 E) T+ G (1) from <statement sequence1>5 H2 f0 o, Q8 g# y& x3 [6 q
until <condition> loop) v4 m* g) D$ U) [$ \6 t2 q! \
<statement sequence2>;
. J1 x4 N% [+ i1 h8 k end;' U. {1 b- C, N, S; a1 W
(2) while <condition> loop' L9 y; w1 i; H# L! f
<statement sequence1>;
# E# d- c1 e& j0 E$ t# I end;
& Q9 q2 i; V6 k( c: T; u& ?$ ~ (3) repeat & _& f6 F1 J+ H3 Z m
<statement sequence1>;4 ]2 x- |# V# ?8 _; c1 K3 _$ ~
until <condition>;
- I7 h; ?) X+ X/ t% ~9 v (4) for <condition> to <condition> loop
3 e4 R1 j) @- W" F8 M <statement sequence1>;
5 I4 J' V& d$ B next;
: X8 J; f3 y) d/ [6 \' N7 h) o4 ]3中断语句
+ X0 F3 c' j8 e3 [ waituntil <condition> prio <integer expression>;. O" b8 k! [/ ^2 f" s
0 K9 G, {+ i- y, \+ L. J- \
+ E. ?* `2 |+ u6 w3 D P以上为常用的函数！
: a- y2 y6 l. p1 f. g还有很多，如有需要我把资料发到你邮箱里
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