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发表于 2012-11-13 08:48:12
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1判断语句- [0 g M4 m1 Y( |4 {
if <condition> then
% N2 x9 Y! Q6 t1 f) R3 r2 ]% z* X <statement sequence1>;
% a$ h+ W' K, v n$ N! p2 U elseif <condition> then- Z {' p, Y! A+ ^
<statement sequence2>;
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<statement sequence3>;& ] {3 Z! a, i! c9 z5 ^& G; |
end;
+ Z/ H6 M! A! A/ V如果分支比较多，用：
6 i0 p: ~3 {. ] inspect <expression>
; ~% A; M% h. ]. x% E1 H1 i: S when <constant_list> then
5 \3 e2 _- H; [5 K2 B* t <statement sequence1>;. A3 ~ V8 l# v1 H2 ~* C* P
when <constant_list> then
% B) b- N8 z2 p' I% }) q* X <statement sequence2>;' s# m' d5 s- _. Y
...
: P4 e3 e8 ~+ I9 W else
& ^$ n" Q1 o, O2 `/ m+ d2 K& h <statement sequence3>;, ^, Z: S( q7 f0 V$ I, i: W
end;% v& w8 l% W, {$ l( ]
q8 F/ b% T+ U( P2循环语句
* R" b3 U3 |: X# \1 g- X& l# R4 Y (1) from <statement sequence1>1 S! t3 n2 e/ ]0 b
until <condition> loop
+ |1 [1 y- H/ {0 U: ^9 d <statement sequence2>;6 t" b- R9 I* z0 |1 _
end;( @1 x* ~1 X* U
(2) while <condition> loop
+ Y8 k3 W0 k/ x& A# g <statement sequence1>;* N9 H% C" p" C' F- W8 C7 }) {
end;
" O: O+ }5 h( }! F Q# U (3) repeat
5 ^" _' P9 Q# t2 [. ]; W$ e' D <statement sequence1>;
6 ]6 o' D+ n5 o until <condition>;' b( l* N5 B" R+ z; `) `
(4) for <condition> to <condition> loop) o+ O5 a7 b! }0 H
<statement sequence1>;$ t8 v) P% h# e" i) W
next;
! r) h E4 J/ s2 E, N8 t d3中断语句 A* n7 A2 c: H) n
waituntil <condition> prio <integer expression>;
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0 _9 x( ?; ~, c1 }% e# X以上为常用的函数！
# O+ J& k* `1 I; H* w) W* t' P还有很多，如有需要我把资料发到你邮箱里 % M& K* E2 Q2 I; A* M( F9 T
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