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发表于 2012-11-13 08:48:12
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1判断语句
0 l+ ]5 w% E F4 p( D if <condition> then0 ^0 u0 N9 G7 E, A
<statement sequence1>;
) I* a3 a( ?5 u elseif <condition> then/ ~- v4 s; h+ k2 E
<statement sequence2>;
4 ~) ] P) A! Y$ T else 3 ?* @3 V' }( h
<statement sequence3>;0 O8 @: ?1 N3 k2 C
end;& I) u- a& H2 j4 V
如果分支比较多，用：
( q' G7 ?7 R2 Z" I* M inspect <expression>" a" @5 t3 A4 V" k
when <constant_list> then
3 L" E! S$ N% o7 I <statement sequence1>;
3 b( H$ r# P- T when <constant_list> then
1 g1 R, P; F" U$ A5 h <statement sequence2>;
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else
# _* ~# K- A5 E! c0 z( | J; H# ~ <statement sequence3>;
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6 r2 y. K+ |" u1 x5 ^1 G% |2循环语句5 h1 F# _1 j/ K" m) C
(1) from <statement sequence1>7 |: [" V- z2 K7 K
until <condition> loop
e$ Z, ~ j4 M* I2 _4 Q% {2 t% c5 e <statement sequence2>;5 O7 h5 ?5 m% F( y+ P4 F' ^, \
end;
8 R6 O" y" t5 {) ~( Z- Y+ f (2) while <condition> loop
9 I* o6 D5 T/ u0 A8 O <statement sequence1>;& _! e8 {4 \! q# c2 G& H
end;: n$ K5 S- Q2 F& k" e
(3) repeat
- R6 d3 x) r6 \3 B% m <statement sequence1>;
' L5 P ~% u2 `# T* d3 w. H% O until <condition>;
( e* {% M4 F/ i7 Y. s) w7 c (4) for <condition> to <condition> loop
) y E1 i' f! U& S+ Q% v; c <statement sequence1>;$ l" H* m; `* G8 \
next;
7 y \) B6 ?9 k3中断语句
0 U7 N S9 L% R- M/ e1 u waituntil <condition> prio <integer expression>;
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/ Q, O& d- H% g2 @; c& J/ d$ \8 x3 T1 f以上为常用的函数！
3 O* ~% L7 s- T t还有很多，如有需要我把资料发到你邮箱里 , I9 _5 W; C* P7 j1 E( @
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