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发表于 2012-11-13 08:48:12
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1判断语句) E! q* [0 ]0 x& y3 C
if <condition> then) k/ J1 T6 Y5 A* S$ X) [
<statement sequence1>;
2 w" {. @ m x elseif <condition> then4 T4 ?" e5 E7 S4 Q6 O# a
<statement sequence2>;
; T% {% a* \- C else ! v9 ~2 l7 W Z& j, G" _8 y5 [
<statement sequence3>;9 W# L* D2 d/ @# `9 y) `
end;
0 c' Q1 D8 j5 N: {6 K* Y如果分支比较多，用：$ @3 Y8 I! f: l' q8 H% i
inspect <expression>- K. J$ t* \+ r8 O* t- @
when <constant_list> then# H' |3 X! d5 ?: W
<statement sequence1>;
" k; c7 e! }: ^5 c" X, s. O$ ~ when <constant_list> then
- s( S& F5 u; @7 s; x( V <statement sequence2>;
5 U& Y3 e( Q# |# S3 b, S5 z ...
Z8 b6 n4 q- K @: M7 L3 J5 ] else
) r: i; }" }3 Z, Q' t# }5 O2 { <statement sequence3>;" q% {" W& G" h1 c( _
end;. H/ w: n( O+ j! ]3 L- q$ [
1 x( n' Y! o' T3 N7 h* E, D! e5 b2循环语句- P6 Z9 h: R5 K& R8 A+ _
(1) from <statement sequence1>5 S& Y! G2 j9 P% Z; N, Y& f
until <condition> loop: T/ l7 n$ w2 H! `
<statement sequence2>;
5 A: `8 y$ `; \- Y8 I end;: ]( f7 e% J- @' R) s5 Z# b0 ^
(2) while <condition> loop
6 u2 q# y' S3 k& P# ^ <statement sequence1>;
8 x+ t$ F2 ~2 l/ e4 {9 m end;; T* V6 ^6 s, a; K4 Y1 m1 O" O# F
(3) repeat
C8 h9 e% l. h0 N0 \ <statement sequence1>;' R+ |" C) ?* w2 V: Q! |4 z
until <condition>;; Y4 L% w' \. x3 Q- K1 a! p8 b; p" z) q
(4) for <condition> to <condition> loop
8 \( {) C+ W% G, U0 `! G <statement sequence1>;
* g% `0 W4 `! P- d. ~ next;
/ a8 Y2 c3 Z1 J3中断语句8 D# J+ f! X: x7 c% J
waituntil <condition> prio <integer expression>;
; \; Q% n0 L) `/ [4 K9 s0 i4 v6 H8 y
/ M3 `- h, j7 U' [* k' h以上为常用的函数！
j' `0 @/ q2 g1 B% r. w; D6 M* M3 a/ _还有很多，如有需要我把资料发到你邮箱里 2 o; V' {& u( y( \. ^7 Z
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