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发表于 2012-11-13 08:48:12
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1判断语句1 h* f- m: n6 s+ E
if <condition> then
% c0 q2 p/ {2 p2 { <statement sequence1>;, y6 W9 m8 ~: ]/ v4 X6 v: b, m
elseif <condition> then4 T( X, | `4 f( n3 } C
<statement sequence2>;
0 v) _5 ?8 c5 b else
; j& Z u3 F, @0 {1 k <statement sequence3>;1 x0 B' Y. o8 o( c$ a5 J! w5 I
end;' U) E o5 K/ A
如果分支比较多，用：& L, L. ?* u! L# t
inspect <expression>
8 c# k: L- j. s when <constant_list> then* O( g. o" \0 ^2 R
<statement sequence1>;
) w1 c# u( S# e when <constant_list> then
( E. ~+ L1 x1 h/ k; w" w <statement sequence2>;
' u7 e- B8 R$ M5 F* W% v ...
8 E2 l; w3 X F6 d else
1 \+ u! U* y9 V$ C <statement sequence3>;
/ g6 [% |* }& V" wend;' ~. U, p) J7 T& ^. T( N
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2循环语句
; d; ^! P4 q! |- u (1) from <statement sequence1>
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<statement sequence2>;
$ |5 U" K1 {7 a R, P A end;
6 n% l6 w4 x6 D% m (2) while <condition> loop
6 P& i. B" y$ Q- U- {6 H `/ b f4 L <statement sequence1>;+ e% c& a5 Z! p& e2 X, G
end; G8 Z5 D! O3 L) W3 ~6 |
(3) repeat
: X7 z2 W7 p+ u) ~ <statement sequence1>;
2 O$ a. a3 N) s- v0 R6 c# [ until <condition>;) C( L" W {" n+ f' E% V b
(4) for <condition> to <condition> loop
' w& ^0 ?# T9 q" m( F <statement sequence1>;( E2 e; ~# i! W8 A7 G& d; R
next;
1 }0 R4 h9 @, w+ C9 P1 W( U3中断语句" z8 n, V! d$ L3 Y; Z
waituntil <condition> prio <integer expression>; ~# T; t2 G' y4 x
) F7 j( _; B; A1 o1 P! @
5 W1 Z5 X0 F5 L, J以上为常用的函数！* A. a% f6 x J: J
还有很多，如有需要我把资料发到你邮箱里
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