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发表于 2012-11-13 08:48:12
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1判断语句/ }* J7 E* X$ ?4 C
if <condition> then
' o& _: a+ Y: k5 i; |# Z5 I <statement sequence1>;
& d' P! v% h8 g" R3 U4 Y0 c+ S elseif <condition> then
! \% q% M4 v2 k T. o0 W# u! t' n <statement sequence2>;2 M$ I2 P% u0 z
else + m7 z2 r- N( u% c, N# b5 ~
<statement sequence3>;
t: k$ u' Z9 X$ @5 l end;
$ f! A0 c% j# n如果分支比较多，用：1 k! p% z( U8 E, U7 c$ E
inspect <expression>' r; J$ k+ k0 c% y0 C$ d+ e' a: D' e
when <constant_list> then
' y3 j* \! _% c9 e5 N <statement sequence1>;% L) s9 S: o# \ i$ H
when <constant_list> then
% H. p. Q# d5 x$ b8 o <statement sequence2>;
$ T2 C5 u! J8 `/ e* t ...1 ]/ c1 Z2 q, P) j
else. t: @! O/ w. B5 P M3 Q, \- o- K# v
<statement sequence3>;
' ]7 e* D! ]. B0 t" [% nend;. D# \0 Q9 V; Q! q2 Z% {) N( S+ b! G
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2循环语句) q# @/ u1 [( f* B/ x$ l5 M
(1) from <statement sequence1>
( U. A+ Z# D C1 b9 V1 B& R until <condition> loop
( m$ b( R. [" j }, W: j <statement sequence2>;8 W1 \+ I2 R4 H5 g3 T1 E
end;7 Z; ]; c' O7 `: M; z: s
(2) while <condition> loop0 G! U: d/ \2 G* p; o# ^
<statement sequence1>;- c" G4 `3 I, q% T+ _# \2 N/ ?
end;
) v- w% T1 o/ Q& v$ D y( ^7 t (3) repeat
- h' Z/ t/ s- {$ g. \* o" k <statement sequence1>;
+ H& Y0 o' N- X+ u6 |/ i& k7 w7 z. ? until <condition>;; L8 n) E; b7 K/ r0 i% l9 i
(4) for <condition> to <condition> loop' ~" ^/ p$ S* _/ O* N7 M D
<statement sequence1>;
' \, { E8 o; g$ a# Z. F next;
5 u4 D" i" S* |7 K4 y; H- N, e3中断语句
! y; B: b+ }" o. P4 ?" W waituntil <condition> prio <integer expression>;5 ~7 b3 z0 }- n0 h5 \* Y$ \; W
! |! R+ J2 f3 B- e, v
9 n) U1 F8 Q9 o6 ~# w以上为常用的函数！+ B3 Z. d5 q' U: Y. Y. ^1 z: ]
还有很多，如有需要我把资料发到你邮箱里 9 h' h( X4 G* H4 |
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