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发表于 2012-11-13 08:48:12
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1判断语句
& D! }# K( p# t( r% u if <condition> then" j' b4 ~1 e& V- d! p1 Q
<statement sequence1>;. O% ?! y7 M! k7 S, O
elseif <condition> then4 f! T9 a. Y' p) w: E
<statement sequence2>;+ d& w1 J; F, u9 ]0 F- a: i" A8 c+ K$ l
else
3 h0 X. L6 l% G1 P+ C+ Z* G. A) T <statement sequence3>;
4 A& T( n, Q& R# I) h+ T" k end;
* l# F2 R) f; F+ }7 A; T: M, c; y# e如果分支比较多，用：% F% r* R% [1 a8 _) r/ a' o
inspect <expression>$ A& _5 G0 U, M: g D
when <constant_list> then* ]7 V p' N2 }; N. X3 `% w; @
<statement sequence1>;
" C0 K$ C5 w9 c1 V3 I% H. R when <constant_list> then8 O; o# L+ Q# S5 k: L
<statement sequence2>;) c; h" Y/ o, N- f6 S) m
...
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<statement sequence3>;
2 q! ]/ {) s( a& {end;8 R: f/ |2 `/ N1 m1 {7 U4 a: f8 j
- h+ T' i, g' @: |* G2循环语句
3 L) y. o; ^, R+ Q L N: O (1) from <statement sequence1>' }+ {1 u% T% H3 w5 G+ s& c0 n& X
until <condition> loop
}9 O) |' e5 w4 \ <statement sequence2>;
* p+ {) r, N7 B8 K9 z end;
+ ^: r& W) X/ p( x2 w, c (2) while <condition> loop+ k/ i9 k( r: Y5 _% S
<statement sequence1>;3 P2 s, n5 g4 o: D4 `8 ]# g) A
end;( W+ Z% r U, O. }! R6 |( c; \1 n- t
(3) repeat , m1 X" ]0 o& G# q: f2 Y5 N
<statement sequence1>;0 e. e9 b* K7 ]" L" K
until <condition>;
! R4 E1 T5 D. x" h D: u: ] (4) for <condition> to <condition> loop
8 h& ~. N5 d7 U6 q; d% z <statement sequence1>;5 h! ]& b% S; x2 p& c
next;
" v+ [8 ^4 H5 W0 D; G2 x4 U4 D3中断语句
- K0 `. G. ?/ l/ K" a waituntil <condition> prio <integer expression>;. s) F4 Y, B0 @* E
r0 }; p% v8 x. d W3 l
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以上为常用的函数！
2 u% l" `4 h+ n0 V) r4 r还有很多，如有需要我把资料发到你邮箱里
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