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发表于 2012-11-13 08:48:12
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1判断语句+ ?; x! `( o0 n! b9 n/ l4 S' N) A) a
if <condition> then, g7 P# Z+ U. r) C/ }0 p4 _( [
<statement sequence1>;
7 a8 L+ Q) p* p/ q elseif <condition> then( M, E3 e; S1 S! r
<statement sequence2>;5 [( H l; ]1 a- p) r& ~
else
- A, P/ d3 c: S8 h* P. B, I <statement sequence3>;/ O, r( P: Q2 B' W
end;
~ f" R+ x7 G4 l/ w$ u如果分支比较多，用：8 W5 h& P& O. c- v& O6 ~: {8 S
inspect <expression>
- O' g' u. P) N8 n/ R1 V* q when <constant_list> then( s0 l$ p% T6 O7 l3 s/ F6 w7 y% K4 l
<statement sequence1>;* `0 _. s* e$ V# Q
when <constant_list> then
* ~, k+ ]9 h* ^/ ]5 ~5 k M" R <statement sequence2>;
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else
; K/ W& `6 h6 C$ T- R* h- R <statement sequence3>;
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7 r$ x% C4 r5 B; b2循环语句
" g; i- s. k- Y w (1) from <statement sequence1>
3 s4 f, Q& _ M' y4 A until <condition> loop
* f6 k8 P4 F! B/ `0 H* [( w <statement sequence2>;# t: p; `/ d6 Z3 ]3 P3 H
end;. f1 f0 U8 S8 S% `
(2) while <condition> loop! W+ _+ g' A7 t8 s) ^+ a8 i8 k
<statement sequence1>;( X4 n5 F* {+ `# K' Q( ~' C
end;
e4 H: \7 e% {5 |' ~: Y$ ~& }( F (3) repeat 6 S- H0 j& P$ H3 R, C( d# B" a/ i
<statement sequence1>;& Q" U# s, R/ [% f& W
until <condition>;+ o2 B1 V" H8 @
(4) for <condition> to <condition> loop
; b$ e I- e' m$ Q3 u9 t <statement sequence1>;9 e. e1 {& c, j$ k. r
next;: z5 A. \5 |! \, X5 V# D
3中断语句9 v6 e# l8 r+ g8 u+ v6 ]2 [
waituntil <condition> prio <integer expression>;7 s+ }0 t3 p2 u
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# s" j3 {, d1 Q4 Q4 o. N" z以上为常用的函数！2 B" }& v3 R8 s5 M5 B/ J% {2 p6 \
还有很多，如有需要我把资料发到你邮箱里 ; d w; G( y D, V
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