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发表于 2012-11-13 08:48:12
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1判断语句6 K# A" B3 A! a, B* J
if <condition> then. q2 `# {- u" C2 g* P
<statement sequence1>;& i; A+ W% C9 m0 X3 S) b
elseif <condition> then
: D2 k, @ u: m4 ~ <statement sequence2>;/ V+ `* Q; i& \( S- b
else
/ X, O5 j3 u F. o9 I# p <statement sequence3>;
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如果分支比较多，用：
- k% d+ y3 k0 M) }3 s" _ inspect <expression>
1 k& E: y; e. t5 H6 P# C7 J& r when <constant_list> then
2 {# R) L8 u: R) |/ G <statement sequence1>;: g7 b+ v7 B* w" X5 B
when <constant_list> then# P4 p4 P7 i! E1 @
<statement sequence2>;
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else* j8 `7 J4 x1 R
<statement sequence3>;
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2循环语句9 }& S9 O' n# t$ Q8 y6 k* y
(1) from <statement sequence1>
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* ^, t* B- |1 i: K; c <statement sequence2>;! i: W# l5 w( P0 V& B9 k/ [' k" y
end;4 e( [0 N8 w& P$ v( o
(2) while <condition> loop5 d1 N/ q/ ]7 e, A n4 Z& a0 q
<statement sequence1>; q) T2 d" W8 a; k8 Q/ U, ~
end;
! s7 A) p2 P; H' ^6 v% ]0 t$ s( h7 c (3) repeat
L$ s6 \( e# E- ~+ d <statement sequence1>;
% C$ Y, Q; F+ U8 s" A until <condition>;
& j7 F/ j/ E: }4 Z# M (4) for <condition> to <condition> loop
0 M/ R/ |$ S1 l& N <statement sequence1>;$ d% d, F; M/ W/ h: Q' \
next;: a8 d" Q) [ c2 k/ a
3中断语句1 N! F2 S- l, C4 Z/ a
waituntil <condition> prio <integer expression>;
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以上为常用的函数！* b% c% Z; X* A' H- e2 s$ k( I# ]
还有很多，如有需要我把资料发到你邮箱里
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