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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
/ C# ]* O4 F+ C if <condition> then
2 r! i1 i5 D* h& \0 U <statement sequence1>;, E4 b6 i% L3 c
elseif <condition> then u4 ^! a7 I: z: J5 T" d
<statement sequence2>;
1 _ R4 s1 A* B5 G9 g0 Y else
3 Q. [4 V; @* B$ I$ r <statement sequence3>;
: d; j' }/ y! E" Z end;) W+ z; O1 i! }3 V4 G1 g9 O2 s4 \
如果分支比较多，用：- c7 ]! ~# B& C/ x- c h
inspect <expression>, O; D, z4 p! w5 a7 E
when <constant_list> then* }3 \. E. H4 ^( z9 \$ J l# v5 |
<statement sequence1>;
& @8 F) q% l: F" y+ l when <constant_list> then
* n; F, `6 `* _! M9 r# M- Q$ m <statement sequence2>;
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else& L/ V' m8 Z2 m) S; u9 |! u
<statement sequence3>;
) I; x* \& P6 h8 _+ {' Uend;
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! }4 m5 Q% u, T, t$ j8 D1 u, {& X2循环语句& t3 L; t/ M: g! r
(1) from <statement sequence1>* w& @# p3 y7 X, U
until <condition> loop
J7 X% R" V! t <statement sequence2>;
/ a* H* h) ^$ e6 i! ~ S+ l end;
+ B* N C, }5 E. Y/ U; r( ]7 X) T (2) while <condition> loop
9 A ~# ?% X5 M" ^) k6 C* K <statement sequence1>;6 y8 g( m# E; `* S5 H; B/ g, Z
end;
! X: m! u% e$ a5 v( @4 D (3) repeat # I3 @, y0 {! C2 L+ V" l, L8 S2 u
<statement sequence1>;0 z- p; z7 o+ C1 [. v
until <condition>;6 F0 i' u) ]3 }3 _. U( }
(4) for <condition> to <condition> loop$ K- @0 I9 @% f6 T2 Q: d
<statement sequence1>;4 l! D9 R! h1 N) ?
next;) E: P) s; |8 ~) g
3中断语句
; p! u* f Q, T; k- a7 t( X waituntil <condition> prio <integer expression>;
# F [: L$ Q; b) B- G0 B! x! b7 v* V: X2 \* r$ a9 Q* r
" ]7 O @) f) |1 k) x& c( a
以上为常用的函数！
! }& [5 Q! @" z# j9 c) m还有很多，如有需要我把资料发到你邮箱里
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