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发表于 2012-11-13 08:48:12
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1判断语句( W& l3 e1 X. { S' E2 I2 c' N
if <condition> then
& d+ @3 U+ U' X, E, U$ u <statement sequence1>;; }; ]: W& y: S; a- s7 w1 W5 M
elseif <condition> then
: N/ d& |: T! A; v <statement sequence2>;; q0 N6 y0 {: T; i) r+ {% F
else
2 I, B; O$ A" Q. ]- H <statement sequence3>;
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如果分支比较多，用：: ?' H+ g. m8 e% L7 H
inspect <expression> c$ O% t/ h, o! |
when <constant_list> then9 [- t( e' F3 D% ~$ A3 I6 L( ^* M
<statement sequence1>;# Y! @8 x& o3 @% ~% X
when <constant_list> then
2 ]8 _0 S0 m. ]. O. f/ V <statement sequence2>;
: O* T- `& G2 {% G ...
. h7 c* U2 z1 u$ N2 F else
% M1 I2 o% s: N! S+ s5 v6 l1 O! h. O <statement sequence3>;
' |' ]: k+ ^0 ], ~& Qend;
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3 @1 ?1 p+ a( q2循环语句( ?% c% |! x3 k) {# R) b5 p5 E
(1) from <statement sequence1>
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<statement sequence2>;3 P$ m; `+ c2 s! K0 Y ]* v! B
end;
6 ]* V# m. o4 S6 `9 C) ] (2) while <condition> loop9 N" J$ m5 G" I5 R- n
<statement sequence1>;3 H7 A; v) T/ O: ^1 H! p! K
end;) c8 y# c2 i2 ^% U9 g- a0 d
(3) repeat
- D: ?2 I) b7 Z0 H! J <statement sequence1>;( K) L+ q9 i3 U
until <condition>;2 o9 K6 B% z- a* ?
(4) for <condition> to <condition> loop/ K( M- \% N8 X+ j
<statement sequence1>;; }0 b, j* E: J. L* g2 J
next;# D( x' w* A! k) N
3中断语句5 x: X% x; q! ^
waituntil <condition> prio <integer expression>;; K) X3 k4 P; Q$ {
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以上为常用的函数！6 Q+ i( [ m$ e5 V: z& {" i
还有很多，如有需要我把资料发到你邮箱里
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