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发表于 2012-11-13 08:48:12
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1判断语句* J6 g9 J4 L6 K4 M
if <condition> then$ \/ C, x& |+ Y9 f3 |) Z9 [
<statement sequence1>;
' ~+ H1 s6 @: K% i4 |; ^" N% E elseif <condition> then" V7 [) @" G5 ^/ K$ ~! B
<statement sequence2>;
3 U S$ e3 ^* a3 {; ?3 f* i3 \0 W6 | else
/ z9 g# \* Z* N <statement sequence3>;+ T) u* Y/ g- {7 Q, v q- i4 s, \0 h
end;9 K+ X/ }' h# s/ k
如果分支比较多，用：/ y6 s# n5 Q% }) Y% k# `( v
inspect <expression>
! d' ^6 n- x4 l# A- }. Z$ d when <constant_list> then
# L# ^3 i- p8 w# \4 U7 i; m <statement sequence1>;9 S* z P- i" f- R+ }/ S
when <constant_list> then
- ~' w! p8 \ I, F <statement sequence2>;1 J$ m. B% N8 \
...
9 ?+ P" \+ r) v$ X else
& p/ [' l( m& F: q: c% O <statement sequence3>;
5 j y% |/ a B( y0 v! D& }7 gend;
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; a7 t W+ ]2 `5 O2循环语句
' O2 ?8 u, F/ C% M4 ]" |1 g6 W6 p+ L (1) from <statement sequence1>) P1 w5 A% n5 X! e# {+ X! [9 o' d
until <condition> loop
# t6 G7 b! ?; f* _4 f <statement sequence2>;3 \* e# [# v# y& W8 ^: q- c0 v. C7 Z
end;
; l* X' R: j1 h (2) while <condition> loop
) o0 `. G# s$ f" ]( \& U' I) a! c <statement sequence1>;. Y9 s4 Z. r9 W! X2 g+ I
end;4 @' K% `( T+ J9 C$ P8 E
(3) repeat 7 f+ |* h; a. B2 s0 g
<statement sequence1>;" \- E9 }2 }2 L. ~7 S* r* X- g' ^
until <condition>;
% O: \; Z2 ^7 n. W$ ]$ b (4) for <condition> to <condition> loop
; `+ x) }6 y$ h# q9 q <statement sequence1>;- N/ @1 e+ o s& `4 u) e
next;
4 b, F. Z& D* V: G' d3中断语句
" \! A, ]% y' I* R+ C waituntil <condition> prio <integer expression>;$ C/ c1 j$ X& [/ x( r
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以上为常用的函数！! c+ I* c7 _3 U. s0 P& ^ y
还有很多，如有需要我把资料发到你邮箱里
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