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发表于 2012-11-13 08:48:12
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1判断语句) S3 d# `/ }, G! c [5 J; ]7 E
if <condition> then
8 T% O* ~4 C/ ` <statement sequence1>;' G* U2 V, D# [/ C+ F0 a
elseif <condition> then
; L' f0 r( N& E' s9 ~& b) p0 ] O, d <statement sequence2>;
5 k2 C7 R+ Q. r else
4 I3 Z: y" G' m# H5 ~ <statement sequence3>;$ z3 G6 r* y0 a# Y+ M$ P, g' _
end;
7 G4 x5 f5 O; b% c& K- T如果分支比较多，用：
& E) [5 l& t8 s" @ inspect <expression>
: Q- B% _$ e4 @( l when <constant_list> then
( R+ O( s. D9 |; p# G8 P4 N <statement sequence1>;3 w. ?/ @- @1 F( g! [, I
when <constant_list> then
1 I5 @( Z( m, G4 H8 ~2 h; u! V <statement sequence2>;' A6 \# c+ A7 l' `
...6 q' F. s/ B7 U7 S$ g, I
else
6 l3 e( i/ p* _- ~2 d/ L- @6 ~) T) P <statement sequence3>;8 _+ U! v' z( W/ A7 n3 u: ?' O
end;9 B/ T7 k e6 {# n5 @) q( X8 P8 P5 a
# a9 Q- j& @$ R; \, \2循环语句
0 y5 R1 [& }" n7 [8 x0 `( t7 [ U (1) from <statement sequence1>9 P2 b3 M2 H1 N; K* K2 Z5 @# C1 v
until <condition> loop
. l3 k* U7 h5 n# l5 Q <statement sequence2>;
0 |" }. t- z' u9 V end;- i0 y* T% {! v1 A3 K
(2) while <condition> loop
" a' g9 t# b$ g* w <statement sequence1>;$ Q7 \! I# ?0 B6 _1 U2 X3 W( [
end;
- i' R' w# e8 ]+ L) r* a8 O (3) repeat
4 E/ m/ p4 [9 N8 k7 x: \ <statement sequence1>;' H7 M* }9 S- z
until <condition>;
* j# L0 Z( u7 M* J2 r' g! } (4) for <condition> to <condition> loop( A8 I5 R& v: o; Z9 Y$ {- K
<statement sequence1>;
% v5 u" k; D; h6 q6 u4 { next;# }) A; U- b* F% y B$ |; _; g; b
3中断语句
9 h# r3 ?% I3 s T" k waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( N! x; T2 w- O$ _. F. K还有很多，如有需要我把资料发到你邮箱里
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