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发表于 2012-11-13 08:48:12
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1判断语句
. i. n8 d" h& P3 I if <condition> then
& e7 G% }* k* E3 B. q <statement sequence1>;+ ]/ u7 M" Z2 Q4 U
elseif <condition> then
: V: N d _ y) s9 W <statement sequence2>;
, ? C3 V" i+ M7 H+ N* _ else
1 z4 X* `6 \, D/ N <statement sequence3>;
+ ~- r9 k/ _) ^* v end;
! t( I' j: [7 ?1 q( g如果分支比较多，用：
( A) D1 z) u$ U) K inspect <expression>( j7 X7 N/ N# S8 q4 G0 l/ S w% F
when <constant_list> then
' W( V7 [3 n- D$ X; |5 V+ w4 H <statement sequence1>;8 s) V9 c% X+ [) q4 p* Y) _
when <constant_list> then
$ v1 w0 d( G/ O2 e <statement sequence2>;+ L$ X' w2 k) Z$ A# s" J. X# E
...
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<statement sequence3>;4 u1 r) }& g( @# O
end;
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2循环语句3 L9 |* ]' T$ R6 B) F, g& O
(1) from <statement sequence1>6 A; U: ?& k0 \" W% ] X9 q. h
until <condition> loop
& K3 Q3 i( S, @4 S <statement sequence2>;
7 j8 t$ H! p) ^! ] end;
& U& {4 T3 C" j" m# m, x6 O" { (2) while <condition> loop
" i; [' N6 r6 q1 r <statement sequence1>;- m. _ u8 \0 b
end;
# _8 {$ G' W& | (3) repeat * b# ]+ ~; h8 L5 \. R r: v
<statement sequence1>;4 @" j3 \" k3 i; Z
until <condition>;
" c d. v7 S Z( r" s; ` (4) for <condition> to <condition> loop
3 ?) S" J* _3 x7 j& p+ d <statement sequence1>;! h0 v/ w- N, w8 n5 a' @- \, y
next;
) `5 q* Z Z L) j/ l. S3中断语句
, e8 `4 ^3 A% Y waituntil <condition> prio <integer expression>;- S* e/ g& W; p# i& s9 r7 y
4 u" f$ O- [; ]+ [, y
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以上为常用的函数！
% n2 X) \- G6 f8 V还有很多，如有需要我把资料发到你邮箱里
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