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发表于 2012-11-13 08:48:12
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1判断语句( b8 G3 ^6 @: s9 g+ Y
if <condition> then$ S$ W7 o" c6 Q! M1 g5 f
<statement sequence1>;
& r- M6 b) j" @) C elseif <condition> then
, U% i6 P3 ^( m" q* w1 t C <statement sequence2>;
2 b( M: S* z3 u+ x; Q else 1 g9 }' v0 v" X0 B$ t) }
<statement sequence3>;% S6 x* {9 a7 |# W' h# h
end;
' ^6 g! L! {9 ]& ~5 f如果分支比较多，用：1 h4 o- R8 l/ w- o4 r2 \( s
inspect <expression>
5 i: I. }9 @ h+ V9 S+ r3 y5 T0 k when <constant_list> then& K7 r% L# o4 k3 h( W& m
<statement sequence1>;
4 N( T6 ]6 u- B2 o- y5 a when <constant_list> then2 q3 ^$ I/ f% [$ F2 R' t
<statement sequence2>;/ \& R- ~8 A- ]% j
...
6 J) ]( t# E: e3 U, N7 W9 A" o9 k else4 \+ n' c; S z2 t m9 g
<statement sequence3>;" ? g2 ?# F5 Y/ v
end;
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! V. n# R) Z! o. h8 I8 z8 _2循环语句
+ i6 X1 |0 T) q% H3 l (1) from <statement sequence1># q4 L- t; Q; j# `1 k* j0 E
until <condition> loop5 f' Z8 r. s* S; H1 e/ Z# y
<statement sequence2>;: r, C$ {* u( K3 ]9 L2 V7 Z+ J, W0 L
end;+ z5 v& {- F3 }) n# R
(2) while <condition> loop/ D3 l0 d, s. L* F( Z% j- t! \
<statement sequence1>;
4 l% H, s( D; ]+ u. p4 ? end;) E% n( o3 H6 J; J0 [
(3) repeat 2 }8 Z/ p. D) U+ U" o
<statement sequence1>;
4 r% I; y# Y9 _7 d* r until <condition>;! l/ z6 g' x& r; h0 p4 g8 f
(4) for <condition> to <condition> loop
+ c/ l5 L0 c8 N+ P3 ~! _ <statement sequence1>;+ ~" g+ ]# [# M( I) q2 _
next;' T1 P0 Q# E! ~7 T
3中断语句
$ _; A0 M7 \6 d& `& e waituntil <condition> prio <integer expression>;
# s4 ^8 Z% K' ]$ g( F) l6 y( u3 H. J) Z6 o9 p' I
/ M' v1 H, G. u7 Z) ]8 ~
以上为常用的函数！
! m; m( \0 L+ H. H1 H还有很多，如有需要我把资料发到你邮箱里
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