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发表于 2012-11-13 08:48:12
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1判断语句% U$ o* F$ f, Y# o! }
if <condition> then2 _* O+ H( |3 v" Q3 G- t. f
<statement sequence1>;8 V, r3 [$ f* K7 r( K% t3 Y
elseif <condition> then
/ u5 O& y" B0 v* ^5 R$ ^, i <statement sequence2>;
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8 A6 O' I" e+ N* s% v0 K0 o9 p1 y <statement sequence3>;! e- _& _( S$ |$ ]# X- u
end;9 _' [6 r4 D6 q( x) d& Z
如果分支比较多，用：' [$ c4 p4 L$ B9 P: c3 K Z1 x! P
inspect <expression>
( L& P) B6 V ?$ v; R when <constant_list> then _% M. p: |" i8 T
<statement sequence1>;6 V( w/ C. f! t& k7 ], r
when <constant_list> then- C+ {9 _' ^4 i) y; p
<statement sequence2>;1 ~' A4 p0 s+ x& _- X% N- s8 g
...( |2 j; D1 ^% O4 B: u0 {# R
else
! e7 ^1 x8 J# E% t <statement sequence3>;0 _+ n1 I: I6 S9 {0 p0 q
end;8 f# `. e% Y9 ?/ }* e
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2循环语句/ O+ }6 n6 T7 q$ u
(1) from <statement sequence1>
& s% |2 }, ~) }; x0 l( L2 q, P until <condition> loop
U# N3 N% Q# ?1 j2 Q0 e <statement sequence2>; O6 J8 p# f! K* H$ S
end;
J- U# I; e/ N (2) while <condition> loop
, F( Y4 x b1 f1 T <statement sequence1>;
* [5 @% n: E! j5 k end;
1 X/ t" w; _2 k% t& d (3) repeat 3 M+ e1 G* C$ w/ b4 f
<statement sequence1>;
* V# g- E2 u1 H2 { until <condition>;% s) ~1 y% e5 p/ S5 A
(4) for <condition> to <condition> loop
: V0 K% v- B' L& N <statement sequence1>;. p2 P4 c' e+ w' _
next;* z/ W( D& z6 N- z
3中断语句
V4 _, _0 V$ @ waituntil <condition> prio <integer expression>;
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: C2 i, `: W a5 r" F) B以上为常用的函数！
9 S. I& o( [8 _7 i; k4 M4 ^$ g还有很多，如有需要我把资料发到你邮箱里 D9 d2 a- J3 {
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