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发表于 2012-11-13 08:48:12
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1判断语句! @, C$ s3 K5 ~% ?, |8 k/ C; E6 {
if <condition> then) l" K- H8 I) _: {9 M3 g2 A- D
<statement sequence1>;( K( r( r2 g6 {$ _/ ^6 X! G7 {
elseif <condition> then4 T' q0 Q J+ ^8 G% K6 I( X
<statement sequence2>;
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<statement sequence3>;& r0 O* x m1 k! D0 a6 X( D0 v
end;. g4 A8 ~% L. L
如果分支比较多，用：+ d4 u7 P% l" {" v# F3 v) ~1 n
inspect <expression>
, q1 j+ X7 j ^ ^. f2 {2 U when <constant_list> then* k# }# }2 B* x! f6 G2 F
<statement sequence1>;/ m% a& ~7 {% | }: x6 z
when <constant_list> then
* {7 ?. k7 R$ t2 m <statement sequence2>;) W6 L/ G: y5 }- k3 N
...
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<statement sequence3>;
6 D7 g. e$ k$ e1 i$ l+ ~end;
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2循环语句
( H# S7 v- n' C. o& Y+ q (1) from <statement sequence1>
( [) o9 R. L1 G# X( C until <condition> loop
' o/ r0 \2 L! P9 X0 W4 P7 O1 r6 \ <statement sequence2>;/ r' f3 ^+ N2 B, f j
end;# f$ e# |+ ~* m3 L5 R) p6 ^& r
(2) while <condition> loop# c( M: N! P' q# R
<statement sequence1>;
& B8 }+ `4 k- n$ o" o end;
: t: e% s$ x6 T (3) repeat 5 t8 ]1 w% h! R6 ?! N& o& z
<statement sequence1>;& M, F7 j3 J1 r7 y& J r5 N
until <condition>;
+ o+ ^# F! p7 x7 ]% {/ X (4) for <condition> to <condition> loop
% ]0 Z* g* d# W <statement sequence1>;# i k: h4 }7 z: ?9 s
next;
& y& U$ c5 x* _+ E4 |5 i3 _3中断语句' u% N0 m9 v( q0 n
waituntil <condition> prio <integer expression>;
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以上为常用的函数！/ A# y7 f, P+ s8 U
还有很多，如有需要我把资料发到你邮箱里
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