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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;
X7 E4 |+ T' u$ Z elseif <condition> then# t& j4 l9 o2 D; b o) |% D
<statement sequence2>;. F3 ?5 W' m3 t5 [ z
else
9 s2 ~- w+ t( n$ G: K <statement sequence3>;
m* [0 A# J% m8 h) @ j, d& V end;
9 s5 [- p" {9 K$ e3 G如果分支比较多，用：
% g% J1 j6 f" ~7 U; J inspect <expression>
6 `; S; M( s7 o; Y3 A8 z when <constant_list> then6 E6 ~* F- N1 p0 ]& k% \. ?
<statement sequence1>;
2 t y4 M9 l1 w' {5 F2 L: Z when <constant_list> then
; r6 D4 T- e' b0 @8 |/ K5 `$ i <statement sequence2>;
# t( L+ Z/ q3 s; m: }& V ...
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<statement sequence3>;. o* J s. K0 P* ?* D( y
end;8 X# z' a9 o, m, j3 m3 u
8 \: R' G% M7 }$ Q1 x8 P2循环语句
' x8 f/ i$ v. h% T! F9 V8 u (1) from <statement sequence1># i3 ?; K* v8 Q0 c
until <condition> loop0 B4 ]& [: f$ f* s i. z
<statement sequence2>;8 n/ _! ]$ C9 ^, H' ^1 T0 U8 e7 P
end;
( Y/ F: |6 R1 ^3 N (2) while <condition> loop
. K( X/ A2 c- K4 s <statement sequence1>;4 n$ q" a/ \: Y$ M- j& b! M$ h, p
end;1 w6 v: c) G0 q3 Q1 w" o
(3) repeat 9 W# x3 t n0 _# o: G ]
<statement sequence1>;
( T( L9 t7 Q4 o& j until <condition>;
( Q% S, p3 H9 m8 s% k (4) for <condition> to <condition> loop" Y+ `0 O$ q% d+ W; [
<statement sequence1>;% h. X2 r/ c+ H5 x
next;
; A, ?4 N0 @$ ?) v7 h3中断语句" {: B% {8 Y; ?' y0 p& M8 D# [
waituntil <condition> prio <integer expression>;
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- }! ~/ u* }7 u6 J( a以上为常用的函数！
% F: K4 f" y" e$ W还有很多，如有需要我把资料发到你邮箱里
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