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发表于 2012-11-13 08:48:12
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1判断语句6 \) q% K, U& J8 J# f
if <condition> then9 z, H" ~ L* q5 n
<statement sequence1>;
6 X. r' @, J6 ? elseif <condition> then
% H F6 ^0 G) T0 o- s7 |* F2 H; A, e: M <statement sequence2>;
0 ^% t* c7 A+ j else
: ?, H4 _ w9 j/ C4 K6 \ M, J0 W <statement sequence3>;
& w+ ?. o1 f1 C# B8 Y/ X end;- e$ A, N. s" M3 c: F( v
如果分支比较多，用：$ e& m: E; b+ `( c& d. U2 D
inspect <expression>1 w) Z8 T `& v7 Y( G, m! n! t
when <constant_list> then+ |& h3 s0 ~/ q* }
<statement sequence1>;
( e* O0 B; X9 {# O; s) e5 i when <constant_list> then
c% B( g5 d" b# r4 j5 Q' l <statement sequence2>;
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else
4 U$ H% G2 q- [: y$ G3 e' u <statement sequence3>;' x& |4 \$ X' n- [
end;
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2循环语句) B" S0 |1 G5 D8 q) c
(1) from <statement sequence1>2 @$ Q, {! G# ^! ^% x' u, J1 X8 r$ u
until <condition> loop$ J- T& L1 r3 m' T
<statement sequence2>;2 ^6 B) b0 o: b! M/ x( x
end;
5 B- R: e' g) R4 w! E. \$ ], ] (2) while <condition> loop5 }5 |1 t( v3 d% c' ]
<statement sequence1>;' \9 A, O3 |' i0 A$ n: E4 S
end;9 N# } N) s: v- n% k
(3) repeat 8 Q. H) q5 N% D: i# R
<statement sequence1>;
# ?% ]3 }( X @( V |6 h until <condition>;7 Z e* P# M; Z
(4) for <condition> to <condition> loop
% M5 F* |# |/ m$ {) X <statement sequence1>;
6 U, x! |6 p* a F& \ next;
8 A. X" Z/ X7 ]! z5 ~3中断语句
8 w$ D# z8 t @$ B. x% | waituntil <condition> prio <integer expression>;* w4 Y- Y* k- }% T5 q; R
/ U+ W, v4 K' Q; t1 Y q( a
: p4 p0 {* W* }' V% A以上为常用的函数！
4 D/ ^6 \! W( h, m: t0 I5 |$ y还有很多，如有需要我把资料发到你邮箱里 5 j) a& z; B) u4 j# M l' m# j
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