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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
+ t% p; r0 M8 F8 N! ^/ G0 j if <condition> then
& ^. ^+ @% ^8 B! ?( D <statement sequence1>;8 Z' G* [* i* c1 ~$ ~9 i+ k! x
elseif <condition> then$ x7 d6 `8 P/ k
<statement sequence2>;, P# z2 P, p8 o! _% S
else 4 _/ }9 {+ n5 e& }
<statement sequence3>;
. ^3 F6 p# G& n end;
2 i% `4 Y H1 S" ?6 z% t' A) ^7 I* o如果分支比较多，用：
4 z/ k! A2 U+ L% u' E- W inspect <expression>
0 N; Q% n) S+ M" W+ G5 R' X when <constant_list> then/ y8 y) C r! P: B
<statement sequence1>;
# b7 }" m# R* U) L# z; m when <constant_list> then
. ~6 `0 o% \) o! B. U8 l <statement sequence2>;3 D; M0 \% v) L: P: u9 s: ~
...9 f; I3 V" X( `8 o* a; D0 h& R
else) y1 o& C3 c9 c
<statement sequence3>;
2 O6 k/ N/ m8 _5 r1 |9 a% R1 Xend;- n6 @# b# F* Y3 M, C8 ^3 u
6 R U+ R% W. z$ ~3 ^2循环语句
2 H* x/ q2 ?1 p1 \0 _8 _1 Q (1) from <statement sequence1>
; d. A2 \, _5 Y \. f. h; V3 e; [$ L until <condition> loop
, e1 \4 P$ J1 H# y7 r6 o <statement sequence2>;8 p( p1 E: l* U5 C% B) a3 U9 ?
end;2 p3 l! B- S" R
(2) while <condition> loop9 @5 z3 N/ o7 s8 ]+ }
<statement sequence1>;! t/ E6 X* F( @/ b
end;7 g. [; w9 Y$ N
(3) repeat
; W/ Z2 v* e0 w; ^+ Y6 ^ <statement sequence1>;6 X/ `/ B! ~1 `
until <condition>;; E/ K+ E$ z# H1 X
(4) for <condition> to <condition> loop5 a! X8 A5 Z5 |7 j
<statement sequence1>;. i% `% x; W8 N, T/ K/ ?
next;; {- p3 X$ w* I$ L
3中断语句
0 o- T; B# [, I; R; ~+ l waituntil <condition> prio <integer expression>;0 ?+ t0 h9 C0 H+ H5 A! k
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. n* W& l" e: h# l# [. w以上为常用的函数！. T B+ K% L; F
还有很多，如有需要我把资料发到你邮箱里
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