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发表于 2012-11-13 08:48:12
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1判断语句" i6 F L& X( i5 q' O
if <condition> then [- B$ u6 q; C3 {
<statement sequence1>;
$ l& L- q: ?4 { elseif <condition> then
* i F4 K. q* g- x \ <statement sequence2>;- T* \' H7 R7 q/ m
else 4 P* q& ~# B# Y% m+ w# O. ]+ i
<statement sequence3>;
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如果分支比较多，用：/ w' h8 W0 Y& G2 m: m5 l: I
inspect <expression>
, d S3 B! U* h when <constant_list> then
0 E6 ?+ A! `/ [ <statement sequence1>;7 C- j3 [5 ]; b1 G2 y! A2 v- }
when <constant_list> then
/ m; \" g6 n( v3 `4 U J& _& L <statement sequence2>;
0 N" u, p2 i2 _% U1 ~# _, _ ...
; Y- O1 E" n. a4 V8 g3 p else
3 L+ U: |$ ?( P; _/ E <statement sequence3>;
% [. r* H2 Y: F! I9 D- Fend;, }) \2 n6 @5 r3 E! h7 @
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2循环语句
, K; v- @5 m* y (1) from <statement sequence1>; B. d$ m8 c: |5 r; r' m
until <condition> loop
8 v% a# P. l3 n& x <statement sequence2>;+ b% E2 u. K. L8 {
end;
6 }* l# ^1 h6 {4 Z; Z (2) while <condition> loop
, |8 Y3 M" {( E/ q+ t. C+ d0 s <statement sequence1>;
, L4 P7 S/ h2 Q* u* A end;: B# x" `; O* E* I3 R0 N
(3) repeat
. A1 s& E& U, j @4 ^0 u& J J$ L% r4 T <statement sequence1>;1 ~( M9 _2 Z/ M" L+ I; _; C
until <condition>;
9 Z3 s& w( Q# D6 O6 j3 |" s% a (4) for <condition> to <condition> loop! {+ k7 }! f# f$ |
<statement sequence1>;, X0 }) r v! z) D
next;
$ Y3 q* {. z$ Z% D) t5 S$ Y3中断语句7 s% l, M6 i/ D
waituntil <condition> prio <integer expression>;: C: I/ s+ X/ |! t* |1 W0 O. J1 w+ D
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以上为常用的函数！, ^) M. L( O1 F, S! P2 k: k
还有很多，如有需要我把资料发到你邮箱里
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