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发表于 2012-11-13 08:48:12
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1判断语句) U. V: @, B- k
if <condition> then
) n7 z3 i, f9 N/ q: E* R <statement sequence1>;1 [' n z9 \: \9 u& {- L8 |( |! ^+ O
elseif <condition> then8 X% w: @# i1 }* E9 X
<statement sequence2>;
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<statement sequence3>;
% a5 B/ Z0 L7 V! z end;
) A' n" f" O) A8 A如果分支比较多，用：3 O) n2 ]+ t+ H$ U* m' F }; \
inspect <expression>
v1 U3 s( U a when <constant_list> then2 F$ M) c% K0 |3 _0 N; O9 b
<statement sequence1>;
' @$ S) d, C- ?0 X( v8 ? when <constant_list> then* ]7 U+ H# a0 e4 G1 C# L2 W) S9 Q
<statement sequence2>;
8 \- M4 ?6 ` f, n; p3 B- m& N ...
; y7 `# r7 n% \; d else
1 I6 a5 n/ A0 n v. D# ~ <statement sequence3>;- a2 f8 N+ q% N! c- J! d
end;. k7 j4 P/ k5 v7 I+ C" O- A
, R5 [; g; K% F6 I; t; ~2循环语句! g& _8 b5 m) z! c8 k) l: @* F
(1) from <statement sequence1>
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<statement sequence2>;+ @! J- o* i P5 ^. ?+ l1 d, |
end;
7 `$ _) o* u1 H G% q (2) while <condition> loop* x% a" |8 u% n Y0 ^, c# y9 d+ P) x
<statement sequence1>;0 I0 E5 M" S! T" m& S) R9 }
end;
! T: e) x0 U# u/ E9 _5 m (3) repeat 8 g% a% ^. L* j) h# f+ c
<statement sequence1>;# E; w1 I8 D& ^4 V
until <condition>;
# E% I8 F6 F8 Y0 y2 i# @ (4) for <condition> to <condition> loop
! x' E. @7 X1 m$ k4 Y! x <statement sequence1>;
/ B; [5 u" S# V, u4 y+ Y next;1 r3 N7 ~( g# J7 R3 ], Y& y
3中断语句
% ^+ H* ?! i. m( Q2 r& K/ t waituntil <condition> prio <integer expression>;& [, b, }1 [- m/ u1 z% G/ f
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. P7 F; i, N1 {" ]5 [* v以上为常用的函数！( }. X" i& n( I" Z6 H8 g/ b$ q6 ?2 j
还有很多，如有需要我把资料发到你邮箱里
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