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发表于 2012-11-13 08:48:12
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1判断语句% d0 g, p$ G* V
if <condition> then
# I7 A8 Y0 Z+ d( [& @% n+ z- Z" H <statement sequence1>;4 f6 x! u6 q/ B; J$ G
elseif <condition> then
9 C' R+ H& v. o" t& z( x <statement sequence2>;
+ C) r$ B. F: N% T( _ else , t, ^+ t" U3 [' v! F4 e& c
<statement sequence3>;
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如果分支比较多，用：" O, g3 r! E$ Z0 J1 J
inspect <expression>$ S* J! X. |/ o4 N9 H8 E Z6 B
when <constant_list> then
% y b3 Q/ b& ` <statement sequence1>;0 }' s* d8 v( A" N1 \; t6 ^
when <constant_list> then6 G* {2 O M) @$ R9 h
<statement sequence2>;& F9 _# j3 W9 ]4 C; q6 M$ b
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<statement sequence3>;8 F, N& U* ^) B$ [# A+ }# z6 l
end;
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2循环语句: K' u1 t1 C* ]' n
(1) from <statement sequence1>/ N' Q( _. o% \" c+ \8 b" H6 s
until <condition> loop
, i2 c! o& |1 X: a3 j4 z E, h <statement sequence2>;1 G% [8 _ E& e& A- @; C+ {7 \
end;
* e; ~: E% \+ a3 X (2) while <condition> loop. d7 V5 [$ p) Z$ e; i
<statement sequence1>;6 ?5 w& g1 a/ I+ o; `3 n- o/ A
end;+ t0 e- [. _# `. U2 i$ T' Q
(3) repeat 6 ~7 D v) ~3 E
<statement sequence1>;) s0 u0 ~+ I7 o
until <condition>;; z. ^4 P* V/ }3 i
(4) for <condition> to <condition> loop
0 _! V0 e `& `0 r a$ ~. s# j <statement sequence1>;" u q- K+ h, W# M+ X' I
next;, N- x* F3 X" b
3中断语句2 a! |$ d# S/ v4 R' e4 l* I* s4 `
waituntil <condition> prio <integer expression>;
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% M6 T* W9 R. {, i* ~; m* D7 q以上为常用的函数！
# u) D( S. }7 ?: q! d4 ]还有很多，如有需要我把资料发到你邮箱里
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