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发表于 2012-11-13 08:48:12
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1判断语句
/ z& m" u e* o1 i; N; }# K if <condition> then
" [4 E$ Z9 ?8 X; L$ F4 O <statement sequence1>;
5 x P0 X4 @0 s) Q0 W5 B elseif <condition> then3 `3 N( e n m
<statement sequence2>;5 z u" m3 [6 y' r v9 V- C
else % K5 Z0 g# S: W
<statement sequence3>;$ a" L0 R" C% r
end;
7 p2 T" t! |* G$ Z如果分支比较多，用：7 k# v! J! N2 N- w: e. `
inspect <expression>
' |6 Z* [% `- r+ U5 L when <constant_list> then! p$ z7 C8 d8 n) _
<statement sequence1>;
+ [4 n3 \* m2 b* Z- J- k when <constant_list> then0 j* w i2 C8 L/ h; V: d, l2 K; Q
<statement sequence2>;0 Q8 v9 J7 g _! l# _
...
; Q$ f( @; |( [( l else
# t. t5 C* S; {1 f0 e% d, q+ r <statement sequence3>;) w- b3 V4 g$ r/ g. g0 b
end;. O& f0 o. o, |) V6 m% ~0 \ c
2 A* |* C! I+ Z; d1 [& J0 l7 {8 O2循环语句8 O9 ]' Q4 G1 W$ x; L
(1) from <statement sequence1>
4 C- D( i5 }( {5 ] until <condition> loop
6 W1 ~- q9 j1 M- f/ b. v9 o1 p <statement sequence2>;: P( ]0 T0 [, @* E6 X! u) H& U
end;
1 b$ J* s6 _9 s6 F7 e! B% H (2) while <condition> loop% ?4 \, k$ L: r5 g
<statement sequence1>;
8 h% Z- J' _0 N* I3 w5 l4 Z7 {( ~& [ end;- }$ K2 B3 n5 Z9 Y
(3) repeat : t: x( h k' d( [) u- D# Y$ o
<statement sequence1>;3 ^& c; l7 C5 F5 u, ?; u- {
until <condition>;6 T( X2 M& ~1 D4 r6 h
(4) for <condition> to <condition> loop
( T( g1 |+ z* B% z$ O5 [ c$ { <statement sequence1>;4 X, e. U4 @( I# }; o7 C
next;
W" _: W' X: h2 V2 c6 _4 F3中断语句$ G+ h) g5 n) A1 P [, Q
waituntil <condition> prio <integer expression>;
F4 w' c0 I% C; \4 b# }& Y- o, J" |$ N ] Q
% j ]# e; V, ?, x L" _0 D以上为常用的函数！; y1 r: {/ w" A, |
还有很多，如有需要我把资料发到你邮箱里 , b( ~% O1 M. h) \ e% ?1 L
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