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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
, ?/ |6 R* n) a6 l4 p7 E1 | if <condition> then
( P. a& Y( |- o2 Z0 N- D9 L9 s <statement sequence1>;* _, w& s" d0 N% N9 o8 G
elseif <condition> then1 p. A3 \) H; ~; [# C
<statement sequence2>;
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<statement sequence3>;; W" o: G: l- V" y4 G6 u
end;; Y' V1 e, u0 V* n/ g! E* ^& X
如果分支比较多，用：! H' x# y9 Y3 X+ N3 X6 p! c
inspect <expression>0 r* @4 P; u' `) W
when <constant_list> then
- p5 j Q# F# |% \0 v: E <statement sequence1>;4 w2 E% o. l, |% A: h
when <constant_list> then
0 `8 K' \" o" B+ K% [0 ~ <statement sequence2>;
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else/ H% q8 x* t6 |9 ^
<statement sequence3>;' q9 I. `6 f: w8 j; W. H: H2 Q
end;
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2循环语句
- B9 a$ T& X9 r' j0 d4 a+ f6 [8 I2 e (1) from <statement sequence1>4 t4 z. V$ o! C6 A7 U& c
until <condition> loop+ Y% @& u8 P$ ?! ~% U
<statement sequence2>;
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(2) while <condition> loop; W$ I1 B0 M' [! m/ h$ Z' n6 I# ~0 P
<statement sequence1>;7 O4 n1 n* ^1 N6 E7 [, t
end;$ k$ n) n- J3 N$ k
(3) repeat
+ @9 v& i: l T* A9 s9 G' R <statement sequence1>;+ E% ?! U; O! ?; X
until <condition>;2 {- F$ j6 I; c1 H2 _9 E
(4) for <condition> to <condition> loop2 o" X: s6 I- E) r7 `
<statement sequence1>;
& N9 M: Q4 u" i next;
+ w2 ~) x5 c5 X m3中断语句- b8 y) k& C/ s+ \/ {! m. G
waituntil <condition> prio <integer expression>;: ?8 P g$ K; j+ x9 A1 _
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% P8 W( H0 O* t& D5 C以上为常用的函数！
9 H+ Z7 O5 y" t9 p4 i还有很多，如有需要我把资料发到你邮箱里 " q# v1 Q4 ^6 F3 m4 J
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