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发表于 2012-11-13 08:48:12
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1判断语句+ J2 s& A& N2 U+ Z
if <condition> then
8 Q& L8 ]5 \* Q! @5 r4 I" B <statement sequence1>;3 O7 ~( c" v4 T) o3 {
elseif <condition> then' M+ m f9 t$ `% c- I1 c
<statement sequence2>;
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<statement sequence3>;$ `8 z# a% m- a9 f
end;. c* n! C* F2 }1 h ], U
如果分支比较多，用：4 _; P' T5 D$ Q( S$ }. f" L
inspect <expression>0 O6 C& {9 D1 M- b9 K+ q
when <constant_list> then- j5 ` @8 b8 ?
<statement sequence1>;) u- ^' V% d3 k. j
when <constant_list> then8 e5 [7 A) M+ D, a
<statement sequence2>;
) i8 v. K, T1 I' I' r/ Y" ` ...
% d* p! y8 }; n5 ] else$ g" {5 P" L6 U8 s3 o$ U( s
<statement sequence3>;# o ?% A4 F0 G, ?8 ]9 [
end;# F) } o4 a( W' Y# z
$ S8 y2 Z. F: v, g/ E& R9 O: X2循环语句
) r% o6 f: U+ }! Z (1) from <statement sequence1>
- m0 W# ]: d# ? V# F3 R9 _ u until <condition> loop' n6 g! l' V/ e
<statement sequence2>;
8 x' G4 j$ ~3 P9 D# g4 B end;8 x& `; q2 e* D1 y7 i; d ]! x; z
(2) while <condition> loop
: c/ k0 S# B- F6 j0 n <statement sequence1>;+ N' I# J1 t5 _, H6 B
end;( Y6 l& D/ Z! X; Z8 h
(3) repeat
! Z" N2 v d' E: c <statement sequence1>;2 i/ j5 k4 q1 a2 W/ I+ J0 B
until <condition>;3 W, D4 |; j, d' I& C: k' g2 A
(4) for <condition> to <condition> loop- ]1 z( \0 q& r: a
<statement sequence1>;
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3中断语句
' V# I+ p) a' w k0 L! h waituntil <condition> prio <integer expression>;. U7 J9 h: z# y; M0 G( }$ d
# I7 `0 r5 {! @: ]5 ?
# { p/ w3 s" g$ A以上为常用的函数！
: X* |$ X; F1 F6 W4 b! ~& s$ t还有很多，如有需要我把资料发到你邮箱里 % u5 ~# b5 y8 a' u! B
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