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发表于 2012-11-13 08:48:12
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1判断语句
0 [/ |/ J) }9 [1 b# B M. { if <condition> then
7 k; p/ a6 c* x, y# O <statement sequence1>;5 m7 F3 X ]+ _! p6 p, m) v, R
elseif <condition> then& m+ X7 j" l, K: V
<statement sequence2>;
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<statement sequence3>;5 @3 A7 y) N5 S+ b) v
end;
; h1 M1 P- j+ @) y& |如果分支比较多，用：
8 G& d& d3 V# t$ p9 }# N inspect <expression>, I; Q& D( z4 v5 [1 Z3 h2 K
when <constant_list> then! X$ P, t, o3 w; U' C2 @1 P6 a
<statement sequence1>;
7 O, N6 }1 ~7 n/ Z- U when <constant_list> then
$ K4 ~8 X. ^* {$ h <statement sequence2>;5 D- R" M% i) h
...
+ o8 p( i* ^) |, F7 g$ z else
' N8 l2 A2 ]) j# Q2 \% j <statement sequence3>;& v( y! _ x3 Z- _; }1 K3 N
end; ]; m+ A5 |0 U, I
7 k2 u$ ]1 @& C' M7 R2循环语句4 m& X5 u/ E& ?
(1) from <statement sequence1>$ E* T5 Z/ J# L% \
until <condition> loop4 B4 Y1 V. U, G% R3 |- `
<statement sequence2>;
: p, B9 C; J& L# ?8 b, p% P end;
, f- n, \+ V2 H+ Z6 E1 q (2) while <condition> loop
$ ^" G" ]) x0 _8 D3 t# P6 p j <statement sequence1>;- K6 v* A0 L1 Q2 d" Q; m) t
end;
8 v' J4 Z% X+ u% g0 w2 R" S (3) repeat . H& o/ x* Q. x1 O" o: x% K9 X
<statement sequence1>;" }6 ~$ y" V% h* X {
until <condition>;8 ~) S3 Q4 ^$ t. Q
(4) for <condition> to <condition> loop* n$ @$ j$ G% F' }/ Q. v
<statement sequence1>;- a9 X! x$ [1 ]1 q7 k7 Z
next;
/ f7 L, X t( l' c3中断语句
' A" M. G# m# R1 G$ ^ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. m0 h3 V3 y: c6 U2 H& B4 l$ j. p$ K还有很多，如有需要我把资料发到你邮箱里 8 n3 Y! m9 X( y
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