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发表于 2012-11-13 08:48:12
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1判断语句
& K$ s( |. s# j( U if <condition> then
2 E, B; L) k s <statement sequence1>;
, N! r* E6 O7 ~& V, W9 t! ]) k9 }' w elseif <condition> then( h# d; z1 E% f1 S& H; t
<statement sequence2>;
% \2 p; U' T0 C7 H0 W* I6 @, e else
! a# ?+ U+ ~1 L6 t2 m/ K <statement sequence3>;) i9 m3 |' a, H% t$ M2 A' h
end;9 B& {9 h6 X" C
如果分支比较多，用：& n. e! }* V6 V* z3 S) C* x
inspect <expression>
, `* Y6 A) e/ L. y1 c when <constant_list> then
$ s" Q! r8 v0 k, C( p <statement sequence1>;
+ J: e7 B6 `. e1 l# a) c& }. i when <constant_list> then8 Q5 p7 v6 ^/ ]
<statement sequence2>;
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else; y S, ~0 U/ k8 }9 {/ m
<statement sequence3>;) i, g$ `7 J; u
end;: W0 t& I0 _# c% X/ S
' V0 w5 x& B' F2循环语句2 q, D# Z1 g9 ^9 k
(1) from <statement sequence1>
: [/ ]' m8 I0 ?+ J until <condition> loop+ W& `1 M* B2 p" B7 @8 e" R
<statement sequence2>;) I' @" a4 v C6 D1 |. [
end;2 Y: Y) N) G% I) \: ]8 |0 {# `" M. g
(2) while <condition> loop
8 ]! I* a+ J) J6 W7 v8 _ <statement sequence1>;
# n6 X- H0 a0 w5 C2 n$ T4 g; ` end;4 L0 Z1 x( g9 J$ |* _
(3) repeat
0 ?9 C+ Z- m, g% I$ V <statement sequence1>;
+ f# Z/ n7 F0 d h until <condition>;
" ?: K( E- |# s- e; l3 O0 V (4) for <condition> to <condition> loop3 A& z) f$ g" ]. [1 o/ z8 C
<statement sequence1>;
* s s% V0 n8 y$ ? A: m% D2 I next;
7 W8 c1 A2 O5 o* Z' Q3中断语句
1 J K3 [4 m& p1 F waituntil <condition> prio <integer expression>;
( ~6 z, x G* q( E' o; M1 A" I$ u+ `8 H! n; z
- h& W$ d* y: h# f& |以上为常用的函数！# Y, |2 e/ }, e+ Q
还有很多，如有需要我把资料发到你邮箱里 ) r& @- I k9 p1 r/ c5 a2 w' ?( S/ y
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