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发表于 2012-11-13 08:48:12
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1判断语句
1 N8 e* v i! I) P$ e0 F; B% n if <condition> then) L( T+ q- y3 `2 E
<statement sequence1>;1 b1 L, q, z. s) K9 ~
elseif <condition> then
$ G# i2 h: d' r: [+ F <statement sequence2>;% z+ e; g0 T! ]
else
9 R; S, ^3 q k' C* m <statement sequence3>;$ Y7 m7 b7 D: V; d9 D7 o
end;- W3 t' Y1 Z% Z/ p5 q4 l, F
如果分支比较多，用：0 m+ H& Q5 X$ k" ?9 {8 M
inspect <expression>8 L* b G7 T0 O
when <constant_list> then- p6 G1 d- K1 w9 C3 J# o
<statement sequence1>;
3 e# r4 i, P O O& S when <constant_list> then
; n. v1 X+ s' d1 G3 |0 h <statement sequence2>;
4 X* x& Y; e! j ..., n+ a2 u8 K y1 W9 ^6 c
else
; `7 s' U- x4 i7 H+ S/ D! a' r <statement sequence3>;) D r( _* p: ~# x; D* J; [6 C6 V1 M
end;6 Y, d. j9 _ r9 x6 b, u3 w
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2循环语句7 b1 @9 H% ]0 l4 {
(1) from <statement sequence1>
8 H1 [7 v' U8 N% [7 D until <condition> loop
' v2 v9 ?/ A, u. H <statement sequence2>;+ Q/ J7 h! a+ A# k' v5 n, ~
end;
3 h: i( v8 [2 z$ q (2) while <condition> loop
% {+ a3 i( k0 `) x( H+ `7 \ <statement sequence1>;
$ { k2 T6 @* c b. f9 G end;
* p( d( p2 v6 p& B (3) repeat
8 `" s6 I8 o2 O3 K/ [+ W8 W; [4 U <statement sequence1>;3 M& [" @; Q' `6 ?* F. b' |
until <condition>;
; P# @$ R; F0 ]% V; J (4) for <condition> to <condition> loop
m2 m2 g1 b$ u* Q3 w; ~) O <statement sequence1>;7 K+ a8 m% L2 I7 r& w; h8 G
next;0 P4 ^" L. Z2 `' O9 _1 b
3中断语句
5 p# y$ X! P& m m' Z waituntil <condition> prio <integer expression>;& ~# Y0 f3 j, U
7 q: ?: m) E5 W& k4 m# A: d' C9 e1 } O4 E
以上为常用的函数！
: z; S, V; G+ Y( n还有很多，如有需要我把资料发到你邮箱里
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