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发表于 2012-11-13 08:48:12
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1判断语句
. S$ I6 ?3 y# r2 h if <condition> then3 _$ P6 q7 H3 I$ |" u
<statement sequence1>;
# R6 E) o3 }, v# G2 e2 [ elseif <condition> then
2 Z; F0 Y; @" M3 M. J <statement sequence2>;9 ~+ ^! F& l: v2 B& h7 k$ b0 Z
else
# u R" N A5 |) @ <statement sequence3>;0 k: |- A' @' b5 C
end;
, b! _, J W3 p) O; n6 c& P如果分支比较多，用：/ @& q0 w" ?& w1 C+ }0 U
inspect <expression>
1 `$ J6 |1 G% v- l G* R$ B8 s' k when <constant_list> then/ _) g1 a" _+ J; U& |& {+ k. L
<statement sequence1>;4 v4 ^& ]; z1 }( d! V
when <constant_list> then$ i! p5 Q- ~" J( z; n( J$ }8 B
<statement sequence2>;
- C7 Q c) s2 E1 z+ S* J+ i ...
6 ]: S# X z# ^( m ]. K9 I1 h else
% p% k+ P2 |- J" e2 J5 Z <statement sequence3>;
0 V1 }% v; @) y$ G! ?/ [3 Vend;( r- h" @" V8 s& a
% Q) ]$ p1 a& R' X2 ^5 ?- O2循环语句
3 Y# \7 M3 ~2 E/ r (1) from <statement sequence1>$ j2 i# ?, I6 j" I: ~, n: _: T6 m
until <condition> loop, h6 v5 [7 X. e
<statement sequence2>;; A x, K* W) V" K- e" Z
end;& d8 }% B, D0 Q$ Y, n
(2) while <condition> loop6 `: D4 f* k8 w/ m
<statement sequence1>;
/ ~: n/ m/ |* o! p9 k7 _ end;
# C: q6 r' E$ Z2 B (3) repeat 2 \: ^2 }$ e1 O8 M
<statement sequence1>;* ^: l1 t4 r% l$ T! _
until <condition>;
! \9 I9 f( U6 r) S J$ n/ |5 h- i (4) for <condition> to <condition> loop( b8 {5 L: c# N/ ^
<statement sequence1>;
! Y+ s t& `7 c" {; y3 _ next;
! e: B: B U* j1 F3 l3中断语句( [/ e6 V& z& s) D$ O
waituntil <condition> prio <integer expression>;
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& L' z# c7 P* J: d, c
以上为常用的函数！1 n8 E0 H4 [- k/ ~7 x: p1 R- I6 U
还有很多，如有需要我把资料发到你邮箱里
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