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发表于 2012-11-13 08:48:12
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1判断语句9 Z- @6 X, o7 k$ o( e0 [! Y
if <condition> then1 s1 d3 b8 }$ R q, a" e% m
<statement sequence1>;) Z7 ^" G. g/ U, P" b8 D6 i9 w- h- L
elseif <condition> then# _" G4 }' @, V, P
<statement sequence2>;, n% L9 H) J% J9 \1 Q& [
else + i) B# ^3 W; B
<statement sequence3>;6 d8 K3 u4 B2 X. d
end;
3 W4 x; W1 p+ F0 b. K' J& O: `& I1 `如果分支比较多，用：. u3 R" j$ o5 K* _3 q
inspect <expression>. ~: |& ?3 N+ z2 W
when <constant_list> then
6 b5 I6 O( V! i <statement sequence1>;
4 N. i. C4 @( `/ H& I& C when <constant_list> then6 l4 B" S9 P6 E2 j# A8 L
<statement sequence2>;
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else
* v# n- i; `( J; Z! r y <statement sequence3>;
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2循环语句
$ g' s9 [! C2 v! ^! S (1) from <statement sequence1>
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<statement sequence2>;( w3 b' s6 @1 |. N( T4 Y
end;* v# W W1 D* t; e7 W
(2) while <condition> loop
2 Q# [7 [3 W' M/ E- c0 U, M3 a <statement sequence1>;+ ~, u6 n7 E, ^2 }6 Y
end;
5 d* D% V3 I4 R (3) repeat
$ |" ^2 v9 p2 ^9 s# A/ x& @8 n, G' v <statement sequence1>;' ~1 e5 q* N- r6 S3 R9 r+ {
until <condition>;
9 l# C: o4 j- k8 }5 N0 u (4) for <condition> to <condition> loop8 X/ v6 G# H" k3 u# [1 y! p! t
<statement sequence1>;1 Q/ N+ b' p0 l" R+ v: ?. i& Z
next;9 k8 L1 |/ |/ ?; K; I
3中断语句5 v5 k; o# v7 z4 I
waituntil <condition> prio <integer expression>;4 J: q s9 Y* T) r) I" H- j
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以上为常用的函数！/ n O" j3 r2 ?* H
还有很多，如有需要我把资料发到你邮箱里
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