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发表于 2012-11-13 08:48:12
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1判断语句- m& e4 Z* S2 ~) D0 A- S; y8 G
if <condition> then+ A6 R! o* C* U- t
<statement sequence1>;5 J9 i( t$ N( E. r& Y6 Z# f
elseif <condition> then
+ F6 l! Q- _# n2 ^4 D: L <statement sequence2>;! F( a9 |- z+ t; h$ p& b
else
2 X- ?6 h/ n- F- S# v$ S# _7 i <statement sequence3>;8 n8 q: O! |; a; G. G/ \
end;" v S; m5 p7 m" G( n0 i- p/ v
如果分支比较多，用：2 ?( s" K5 X( w' [
inspect <expression>
; |0 ~0 Q" O, @7 | U, U. L) [ when <constant_list> then
. H' ]2 M8 L& y2 F- N8 ] <statement sequence1>;5 J9 b8 m/ i7 R) B7 y4 a" k
when <constant_list> then1 a- e# P0 I& E) j+ Q2 j5 O) O
<statement sequence2>;5 ~0 O! A8 E$ }! S- \9 N3 `/ w/ L
...
& V" i, e r# s else
& R$ v+ D8 Q$ I& c$ d <statement sequence3>;
5 H" T v5 u1 S8 m% m+ Aend;9 H" m, L9 g* @6 v
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2循环语句+ ^' i$ V6 g$ O; O( q
(1) from <statement sequence1>
( W B9 E( [& o% _( S until <condition> loop+ R. f& p& h3 i$ I( K6 \
<statement sequence2>;# E7 P/ Q, T: ?$ i, a
end;
/ n! `. u0 ^2 T v/ u! D8 I (2) while <condition> loop
: r. e. F) I8 i <statement sequence1>;
9 \# r' Q/ N7 O9 \/ v( H end;
0 a1 m4 b; \3 l9 H4 W (3) repeat
3 L, p2 }6 D) {. ] <statement sequence1>;
5 A' {7 ?" Q9 ^/ d8 {1 V* E until <condition>;
0 C: \1 n/ d p% `# A( n% G (4) for <condition> to <condition> loop
" l! f' ]' M; ? <statement sequence1>;2 n5 M: S$ m9 A
next;9 m) F5 h7 E* s. d( j. `6 K3 i6 v
3中断语句
3 j2 [0 w& }: G4 m/ I& V waituntil <condition> prio <integer expression>;% W( V, z/ z* F5 R$ p( |
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# t2 A3 N& g( S1 _/ t! h, q以上为常用的函数！( o2 ~+ g0 J( |4 w) C
还有很多，如有需要我把资料发到你邮箱里
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