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发表于 2012-11-13 08:48:12
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1判断语句
" }. [* Y! V* ~) x' T) ~- p8 W if <condition> then
# v! Z, U* x: x; N% {7 Q, P% W- M <statement sequence1>;
% l8 p! s3 y4 y3 } elseif <condition> then8 A. }* A! ]+ A: L! L8 _( u
<statement sequence2>;6 J5 q3 R* K( L2 A+ M$ R. h) D
else
* v: n5 u: ^) r* \# M <statement sequence3>; @$ h! V3 D+ z+ B
end;
& l, f% T" P# e* M8 k3 } N/ D如果分支比较多，用：
z! \/ b {* T% x( ` inspect <expression>
+ w, ?1 O4 I& s0 E3 v6 ^ when <constant_list> then: |( t6 l1 u5 k1 d# T6 v' p
<statement sequence1>;$ N# g5 e8 x0 t5 d7 {
when <constant_list> then
2 ]0 y+ V: } o& P' P <statement sequence2>;3 U+ \, I( y. b- o. S/ E3 A6 \
...
- Z( T/ W4 |) S6 `4 \, T else4 I8 M. j" Z- M
<statement sequence3>;
; A7 B- Q1 ]3 z0 b& }end;
0 x) L0 l8 M/ w! J+ e- ~- A# }# _ ?" ~1 c- } _
2循环语句
4 z/ W1 \# P( K1 g (1) from <statement sequence1>
$ D3 E! [2 t0 \# l' n; S" [/ y3 } until <condition> loop
' ?7 h- k) e% X$ b+ `" ? <statement sequence2>;
) A- V2 s5 ?' d# ? end;* J* ]: ~0 p6 @: q4 C( b
(2) while <condition> loop' l) K* M, h t8 R* @
<statement sequence1>;
) F, g& s F; r$ N1 Q) g4 q end;
4 `0 v+ R- U9 k1 q (3) repeat 9 K1 v' q" U# [4 w3 F! {% {* w
<statement sequence1>;6 g1 s$ v0 c6 f2 A
until <condition>;0 N) Y6 P5 h: G& Q* x
(4) for <condition> to <condition> loop7 t" D" ~8 o+ c& ]9 ?7 n- B4 m5 H5 K
<statement sequence1>;0 D2 c7 l) ~, R9 B
next;
/ c# R, C0 M9 t- O# m) l$ e0 s6 r3中断语句+ C7 {% U5 g9 E* M# u5 z
waituntil <condition> prio <integer expression>; P0 r# l0 s* a% b3 r- c' `& B1 D
/ e n- T6 y9 R {7 T/ J
+ I' S# z0 f1 Z% Q# I
以上为常用的函数！
U% K; h9 S5 @) Q: |还有很多，如有需要我把资料发到你邮箱里 8 D2 T, w" D2 W$ p
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