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发表于 2012-11-13 08:48:12
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1判断语句
" A* C0 C& V3 s/ f if <condition> then1 f4 F1 G; ^3 f. v) C
<statement sequence1>;
$ P0 j6 d" @' Z$ v1 O% g elseif <condition> then& o( x/ w. c6 s7 O% {
<statement sequence2>;
0 b. r, y: q( r& f- T0 W9 g else ' {' F7 g1 z: A& b! z0 ?
<statement sequence3>;
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如果分支比较多，用：, \7 {0 E4 U# {1 c& C
inspect <expression>
" a. Q2 e1 s6 w; r0 `4 T when <constant_list> then
# ]# ]: h% z& `" D+ x+ o! p <statement sequence1>;
8 g3 X4 z0 \# I! x, R. [* c when <constant_list> then
7 p. f) Z8 s$ F' P+ ?# L0 ] <statement sequence2>;$ d, M( ?& ?. l. K+ @" c
...
; j) v+ a- h- G3 d" v/ Q, |/ o else
: j; d; r8 ?9 n# l: v3 @7 w; P; S: n <statement sequence3>;4 g) q1 a+ D& {" g& P
end;+ F# q$ f" n1 e7 }" s0 ~5 f
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2循环语句5 s9 X' a" n" L3 U x* V
(1) from <statement sequence1>
t G9 s& d5 a4 ^ until <condition> loop
4 m& P3 @+ e7 a6 V7 Y( P" I <statement sequence2>;
( L. z- E9 ]) i) ~' n, y j& @ end;4 q$ |; b( _$ n* y
(2) while <condition> loop
6 C* O( U6 g- ?, u% j3 } <statement sequence1>;
9 ^& Z- p4 {5 \ end;5 @6 K' y' q- c" @, P& n
(3) repeat : t3 u, H4 u/ \9 U+ w4 v
<statement sequence1>;/ H' L3 _# P8 R) f+ Q
until <condition>;
& \/ A: Y) ^% A$ } (4) for <condition> to <condition> loop" E& x# i/ S3 N6 F: ?- o
<statement sequence1>;
- c6 c% x3 I" E4 P L3 `' u9 E next;
; L9 O2 n2 n3 T8 W0 ?" B3中断语句 j w6 v5 l( K1 ~- @' O$ q- N- M
waituntil <condition> prio <integer expression>;, y& G$ L3 ^" L& d/ x! D9 ?
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以上为常用的函数！
- }' N) b! A; K5 M5 |! U2 Z0 u还有很多，如有需要我把资料发到你邮箱里
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