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发表于 2012-11-13 08:48:12
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1判断语句. r, X$ u$ N) w; y4 k
if <condition> then; p) Q9 H* J( b7 j* V4 Y2 D
<statement sequence1>;) B8 {8 F( ^8 j7 |& o
elseif <condition> then( F9 S& a, J7 G9 S5 F7 s
<statement sequence2>;; o/ o6 O1 U) p7 J) M, |9 l1 L
else 5 t+ l. @1 B5 |1 q" c
<statement sequence3>;; z" q' t; \5 `; _, \* g! X
end;* H Q% ~0 V! i1 N0 G: C
如果分支比较多，用：# n; n$ W2 p# d& Z, K ^
inspect <expression>4 W0 c+ j8 D3 _6 w
when <constant_list> then( ?5 Z& N0 T: P" R& \
<statement sequence1>;
' n* `, u2 @: D$ ^ when <constant_list> then
8 w9 M; [4 f+ n9 \& T$ V1 U <statement sequence2>;
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else
8 G- e: g; D8 x) U- {( }5 W8 y <statement sequence3>;
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s& U* K$ ]: o# t/ V' D; _2循环语句
; I# Z) P* V9 M (1) from <statement sequence1>
4 K: m/ K e1 y' ? until <condition> loop
$ X6 Y$ E8 s2 Z' o$ K8 }, D% X/ u <statement sequence2>;% \* B' r! r$ T6 L1 ~2 z
end;9 a6 X# l8 f% M' G$ n
(2) while <condition> loop! V" A) D5 ]( h& z" h, s
<statement sequence1>;
5 q4 ~6 J1 ~ b+ W end;+ i9 ^+ S1 Y4 H" ]0 Y
(3) repeat
" l: V6 P, y2 ? x5 x) z6 e <statement sequence1>;# ~9 q3 K- V! T) \/ H5 i( q
until <condition>;: R% C1 y4 z7 a8 b# a
(4) for <condition> to <condition> loop- T0 a9 O! ~8 I9 I0 ?3 x, B
<statement sequence1>;9 j: H6 F) w2 [* g; E7 z) a
next;
7 C3 ~; v, ]! m; F$ P/ U% s7 V3中断语句
v2 e8 q' u3 _1 R0 @ waituntil <condition> prio <integer expression>;
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4 C' F# k Q* W( V7 N( [; H# E以上为常用的函数！; f# a7 ]1 B) Q1 F+ `
还有很多，如有需要我把资料发到你邮箱里
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