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发表于 2012-11-13 08:48:12
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1判断语句1 b8 r1 f# {, L* U) S8 f
if <condition> then
' Y, v4 ?, M7 O7 {, A <statement sequence1>;
% b* A- W' ~8 a* s/ Z' q elseif <condition> then
/ C$ K X4 x( ]& o <statement sequence2>;4 z" g7 G; D, i0 b
else
& h$ D: ~! n/ I <statement sequence3>; C! e4 x1 h+ A7 F4 q4 T
end;
# \* l2 A! R e2 p* {如果分支比较多，用：5 w6 o% y/ [$ P. }/ w
inspect <expression>
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<statement sequence1>;
( q6 H, ]: T2 Y X% K9 H/ M2 I3 a when <constant_list> then
7 v F0 P! \5 x, l# @; z3 F7 y <statement sequence2>;
& H$ z+ R, s! K( h' v- H4 O ...
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<statement sequence3>;
+ r5 ^$ u3 L9 J# J. fend;' W! k8 c" ^1 S8 A9 s: {, {3 h
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2循环语句' S5 u! Q' _* [9 J
(1) from <statement sequence1>1 H" f, c) L _- H
until <condition> loop
0 C1 t0 O6 A+ B4 V. ?$ i: O/ \ <statement sequence2>;
7 Z( Q. D: c9 [ A end;
# [4 l' z1 A# ]6 @ w. J0 y$ b (2) while <condition> loop
# A/ p- a0 n v+ D2 _4 x <statement sequence1>;
$ n+ F) `" u% }/ ~" a+ q end;- n8 i2 p4 H n6 b7 u
(3) repeat # o9 P+ T% V: R7 W* y1 X1 g
<statement sequence1>;# c. f, c% Z" a8 j2 d& a, n
until <condition>;/ V5 x. g1 c; ]: O* @" f
(4) for <condition> to <condition> loop
' `5 L5 I& @6 p8 { l <statement sequence1>;& W& L& F( u5 [- l- H% R8 O9 {( I
next;
! S$ c/ j, l, l1 H; N# s3中断语句
0 ]; e( T3 D! F' R2 D waituntil <condition> prio <integer expression>;* Z: j' _0 C5 {. ]
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( u* v/ g: C7 f* J; Z( G以上为常用的函数！9 A( {: G _6 c, Y
还有很多，如有需要我把资料发到你邮箱里
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