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发表于 2012-11-13 08:48:12
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1判断语句* Q o9 a5 x$ r5 o& [2 J3 N
if <condition> then9 n' D4 l0 B8 Q8 f1 |
<statement sequence1>;
4 J/ x* v! @! P( H3 c/ z7 @ elseif <condition> then. x/ i- ?# t; o$ |/ u! g
<statement sequence2>;& V& H& Y" `8 j' f2 V4 r
else
4 p; R, _% O: I' p: ^, w( ^5 \ <statement sequence3>;
) o" ]" q$ J" j end;
+ ?" d% E; p! T! F3 j. X1 p1 q如果分支比较多，用：8 C8 ~/ G8 s7 ?* F: h# }, I3 Y
inspect <expression> W/ n: h6 Y n4 _3 @9 o0 k2 O; e. t
when <constant_list> then
: ^: P2 p; k( G- h) d1 q/ M <statement sequence1>;
# u; x* a" g. w6 t" }) n6 O, [4 r when <constant_list> then
6 Q1 y( I8 E, r5 ? <statement sequence2>;
, @) @) \% `2 G" }# G4 x6 M* x ...
" {; i3 v2 ~. i, m) C% i else$ b T" J* q6 R" j5 V
<statement sequence3>;
: O+ R% f' s0 G( ]( P1 Iend;
+ @/ Y9 n+ W* O$ u2 p
& b9 u E: |/ J C2循环语句
: ^& `/ P+ V; ], Z1 O (1) from <statement sequence1>
/ M9 i* r! ?$ ]7 H until <condition> loop
7 q# e4 w! ]" s( |( ]3 z3 T3 [ ~ <statement sequence2>;
1 v( P1 F {/ U( ^( F% ` end;
- {2 c* \3 m3 T% m (2) while <condition> loop
: C5 l& b0 L$ w: j( q% C <statement sequence1>;
! B5 }! c2 ?+ x- V! W4 b T; \6 w end;9 n5 r: K& f! S0 E3 }
(3) repeat
' Z+ g8 h( C/ d3 u <statement sequence1>;
9 y/ y! k9 A) l7 S until <condition>;9 e O% v2 P; s/ o4 z) i; M, q
(4) for <condition> to <condition> loop
% o0 J/ a0 v8 a+ W# W B5 a; b <statement sequence1>;
& H: J: [# N, ?" R next;4 g# Q9 Y+ U; L( a P3 p
3中断语句
" j' v/ I6 \9 W" J waituntil <condition> prio <integer expression>;, n3 d5 l# ^/ J+ N6 o0 p4 w5 g
# A3 I9 u3 r; u+ d0 h
+ E. m! e5 T W7 {以上为常用的函数！- `1 z4 i" n; ] H
还有很多，如有需要我把资料发到你邮箱里
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