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发表于 2012-11-13 08:48:12
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1判断语句% s6 ~: S4 R- v; I, n6 i ]' a- [0 r( o
if <condition> then% |2 `' ] @ N) {+ Q- y1 t
<statement sequence1>;! h o# M+ t9 h h2 W: {) r7 u
elseif <condition> then5 C! V' n, ?& M; E" M8 y b7 U- ^
<statement sequence2>;* X# S- s* p0 W% R. g& L0 _% S$ g
else - f) D7 S% p' @; b2 E ?
<statement sequence3>;% x) M) {) Q( S7 p
end;# ?- i4 R* m8 ^; h5 |4 f! _
如果分支比较多，用：2 s+ Z/ _+ |: w% q J
inspect <expression>* O6 Y1 W6 T# J1 x0 z3 f
when <constant_list> then
2 U- P1 Z. ]- W0 H2 c <statement sequence1>; d4 K2 z2 X- d( `6 K0 Q
when <constant_list> then5 L" `5 t+ S2 b% b5 y$ j" ^" G w" G
<statement sequence2>;- J( s( \/ p; ^) O
...
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<statement sequence3>;
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7 f2 V6 x' J5 Z; T; Q- ]2循环语句! c3 I, x1 Z7 _" w
(1) from <statement sequence1>
( _ b2 i1 J0 ] until <condition> loop
~0 c6 N! y0 D* K <statement sequence2>;$ i( D$ \( L/ v9 k. E& e
end;0 _% {' x' d! W/ r' O
(2) while <condition> loop% U& t. a' V4 e3 h7 u
<statement sequence1>;6 B' }/ W) s) W9 `, ~
end;
2 X" x, O5 S+ B S H. X0 Z (3) repeat * x% g4 q4 f9 \
<statement sequence1>;
1 _- y8 u! a! p) O( Y until <condition>;' x' ~7 s6 _& p. h4 N8 v% \& v
(4) for <condition> to <condition> loop
3 \' U( H( Q& A4 h2 T <statement sequence1>;
2 U, X% g; v* I- E6 J+ ?: b. O" k next;
7 J" x% O5 W$ I' [5 P; \6 ~8 f3中断语句* f$ S3 r# z P: N! G ~2 B
waituntil <condition> prio <integer expression>;
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6 }; F7 j; O" J1 l F+ j$ s以上为常用的函数！
: q0 Y* r) Q& D还有很多，如有需要我把资料发到你邮箱里
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