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发表于 2012-11-13 08:48:12
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1判断语句5 J% P# a5 X; @8 Z; @7 W# @
if <condition> then4 J3 Z8 P) d/ [1 H: M3 C$ t# C; v
<statement sequence1>;; t9 h3 m5 J8 w( }& [* A
elseif <condition> then
5 J7 }/ F: P( e/ D M <statement sequence2>;0 p d4 H; q: e7 B2 P3 n+ c+ ^
else
7 ~1 _2 Q8 A$ {3 N <statement sequence3>;
- X3 E9 f8 n+ W& L end;2 {* @& b# d0 m% v- S3 ^* Z
如果分支比较多，用：
- s& X# R* H# {4 U+ \ inspect <expression>, _. J0 k$ R; L L0 A
when <constant_list> then& N* d$ p9 Z- U+ c g/ b( n' [/ L4 G
<statement sequence1>;
" b# |: s* `' s. A' g when <constant_list> then2 H" H E5 m& Q0 M
<statement sequence2>;8 ~. \, R1 o" t2 Q6 b w: }; s
...
; A6 P8 H# [/ n* Z8 S; L else
) V; f; o2 p+ F# ?2 V; M& t <statement sequence3>;
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+ A0 s, I3 {) T3 V2 t' c# P2循环语句8 P3 e5 w$ F1 ~& U+ l9 i4 m
(1) from <statement sequence1>
/ G' O# n4 `0 x' X until <condition> loop2 Z* C2 {* j) r+ A8 p
<statement sequence2>;) D" r0 r5 q& P- \
end;5 Q3 S9 l9 r. n/ e
(2) while <condition> loop9 T0 F" w' F. } B% h
<statement sequence1>;1 R K$ o9 S* {% [
end;0 \ J6 k3 v, _ c
(3) repeat
; }8 f5 \1 B, ` <statement sequence1>;( G( C1 A9 H- {) Z+ ~ w" C/ ^
until <condition>;5 E3 l' T! t& G1 P
(4) for <condition> to <condition> loop
/ k5 i( a: K! z7 } <statement sequence1>;# s6 P9 \% q- q2 F
next;2 ?# `1 A1 o* e- P- V
3中断语句: [3 e( f0 K4 l1 Q, Z( u
waituntil <condition> prio <integer expression>;
& {. ~* W; Y4 {' ~! [& q, D8 X8 @! ?
6 q% N: K" T" y+ h; l以上为常用的函数！
/ s. k- r# }& i6 j2 j; x2 q: u还有很多，如有需要我把资料发到你邮箱里 - }* D& w3 p$ j0 y$ E
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