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发表于 2012-11-13 08:48:12
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1判断语句
9 Y4 r2 H; d% g4 j/ B9 N& { if <condition> then
9 V- o8 `3 x" x* \- P) Q5 a <statement sequence1>;$ }% {/ Q6 Z- l( K
elseif <condition> then
3 i$ a8 T2 ]/ ^, e0 p! A2 N <statement sequence2>;4 O* b& H' E, e6 r+ k- T
else 5 x. N+ E& n2 e4 s
<statement sequence3>;7 @# Y2 X) _% q$ x/ v5 @, ^) v
end;
& R2 }- g, Q# k% N# \6 ^+ M/ w+ s! R如果分支比较多，用：
2 g. h* {: K' y- k4 j( b# N inspect <expression>& V' {! O2 n( g' |3 |
when <constant_list> then
) }' f( ~2 I& F7 T# `) F3 z/ J <statement sequence1>;
, [* R- T! I, `) {, J I# ? when <constant_list> then% F# G3 a% v; u, j+ R: e0 P
<statement sequence2>;6 j& q6 n+ C/ {+ u* I
...: r1 P) O1 [9 _, @# v
else$ C" o3 M- N% ^
<statement sequence3>;
5 N- k3 _5 ?0 Gend;1 e) S: O+ b' {* ^ F. f
- v1 g0 D( c# i/ c2 l2循环语句
' {9 i/ Q1 C) W1 K$ J, i* o (1) from <statement sequence1>8 r/ A* p, z, x: }" M
until <condition> loop6 d7 Q* Z* x' l n3 F8 \
<statement sequence2>;
# j1 m7 B8 d! H( L0 g+ O end;
/ E& X- J# P8 b (2) while <condition> loop) R6 ^: a1 `! Z, E+ V
<statement sequence1>;
; {8 a7 d* B$ D% D4 c$ N) e' {8 p: V end;, T7 Z" P1 M# G& t" j: {
(3) repeat - [, d, A) F' _/ y/ A; Y. z4 G
<statement sequence1>;% N) N9 ^% b: d
until <condition>;
; I1 q0 E7 S- x (4) for <condition> to <condition> loop% b0 b$ T+ ?9 z- I6 G& v6 _
<statement sequence1>;. D" n8 K. F2 _- b
next;
1 D- Z( X, Y! G& X r3中断语句+ R3 x3 e+ ]$ @
waituntil <condition> prio <integer expression>;/ n: T+ C/ {) a2 `# s' Y! O
; G. [; Z5 m* `( g0 g. h- D' j4 t) e# ]8 H+ \# z. A9 |4 O
以上为常用的函数！
9 s7 W( w; u) R4 @1 d* [* v还有很多，如有需要我把资料发到你邮箱里
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