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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
, e! Q1 D; z) V. Z7 q3 W if <condition> then: K% z! j f4 q5 m% I
<statement sequence1>;
, p. S5 D% a6 S# R' V# J1 v elseif <condition> then
. F' B( a& P9 H$ o5 z" b0 q! T <statement sequence2>;
; e! K1 f$ Z! u# { else
- B: L% m% J1 P' p. H% [ <statement sequence3>;
# E/ u, c4 h- I' ^ K0 h \1 e& ? end;9 n/ Z5 F" E3 _5 m/ b' I% V$ f/ U
如果分支比较多，用：
4 e p8 K; `+ T5 N inspect <expression>
, |$ K8 \3 s0 {1 g when <constant_list> then3 {7 P$ k5 ^- ]: S% v, D3 Q
<statement sequence1>;# B1 g6 Y$ @" D& k( Y
when <constant_list> then
" m U( p: T$ _9 t <statement sequence2>;, }8 w9 V) `2 m3 X2 d3 N
...
* T5 g& F2 v( R0 O- o* m else
0 ?6 T: D$ O' d. c; i& v N <statement sequence3>;, R. R8 Z0 k$ d. o
end;
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2循环语句
1 f; r" p n# g* l2 ?* y8 T( V { (1) from <statement sequence1>
6 c4 W" u( m; W) C until <condition> loop/ y, P, Y+ y- A
<statement sequence2>;, X5 X; `4 p8 p9 L5 q
end;5 W/ e5 f" J! n$ a5 L! |
(2) while <condition> loop
& V" m$ ?* {2 i! p <statement sequence1>;
7 @' \& T$ W8 r' |. I, ] end;
; l& ^% y. q- w (3) repeat
, y( N; d, u( C+ f4 [ <statement sequence1>;
( W4 ~( G* m. @( N, A* |# N& I until <condition>;* v z- d' q( B& q6 I2 _! O
(4) for <condition> to <condition> loop
$ @5 o, Q" M, T: x, E <statement sequence1>;) P" d4 z9 I) F& `1 n7 s* o4 j+ M
next;. q- _/ r/ s/ _1 q4 ]( y3 ^ H
3中断语句
2 e, w; V6 [1 D) M- M1 p waituntil <condition> prio <integer expression>;3 e) r8 o: ^2 }
* W, B5 L0 C3 X; z. t
. [9 c/ j% i; V以上为常用的函数！, Z6 y$ Z" K! ]' y5 F! ]$ |7 ?
还有很多，如有需要我把资料发到你邮箱里 / b. P, r* E1 h4 N3 i
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A: M5 a) {$ e0 s6 f; t: L. P: J- {
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