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发表于 2012-11-13 08:48:12
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1判断语句) Y( b7 D2 w3 q: D/ V! o& g
if <condition> then( |* S2 f" i q7 T* P3 Q2 a
<statement sequence1>;! n `9 C- E* I9 S/ c: z* I% k
elseif <condition> then. \+ {" M: w7 S
<statement sequence2>;/ H8 R5 Z. T$ q$ o" _5 }
else , f# J1 T" J: B. X" D f
<statement sequence3>;0 O' w% X3 j0 d6 ]% k* _! x
end;
: h& K4 R/ v9 b如果分支比较多，用：9 O" a I5 b& t
inspect <expression>
) ?! ^4 {5 F& }% M, ` when <constant_list> then
1 X7 k; G& G6 ^0 k# ~ <statement sequence1>;
1 O# _" n" J5 K( N0 w3 N9 ?) E when <constant_list> then6 K8 p* P$ w7 ~! t. m
<statement sequence2>;
+ I5 S/ }7 N( N$ \! Z ...) v; n7 a" l, p7 N- D
else5 |* ^8 I* {' [2 |
<statement sequence3>;
$ a0 d! C% q( I& H0 Xend;/ W: H D& i; V' [9 Y. m7 E% V
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2循环语句
% E( w0 i. t0 K8 S5 g4 x' ?- ^ (1) from <statement sequence1>
" x# ?, a. _/ q4 W( Y until <condition> loop
/ `; i0 ~3 o- m" l& v0 G <statement sequence2>;
3 @ Y# l" |0 | end;
( Q+ {! h9 |7 w: d" ] F (2) while <condition> loop, g+ |: q! @: A% s
<statement sequence1>;% y$ [; f: F. Z5 Q: Z- A/ D |' ^' J9 l
end;
+ m( C! x9 o, H& S% L7 g! O+ x+ f5 D (3) repeat ) E0 |$ { v E
<statement sequence1>;
: o/ P& s' ?) C( L# r# \5 Q until <condition>;
; B: N/ z" E2 Q' n b3 F/ v (4) for <condition> to <condition> loop% I# Z) P+ C4 j% h9 `
<statement sequence1>;
8 F: z3 r7 [( ]/ C next;" x I/ y7 E& ?* x: f: w9 a: f
3中断语句+ C# O4 [9 Z3 v! J6 g3 X
waituntil <condition> prio <integer expression>;3 O0 u, s% ?1 r1 V7 U) e; x7 a
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3 y' g1 Y( P. _6 w" o以上为常用的函数！
, r2 Y$ l* }! \还有很多，如有需要我把资料发到你邮箱里 8 o) U, E( |' Y$ |8 b h( Z# m0 R
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