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发表于 2012-11-13 08:48:12
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1判断语句
, p0 c; o- f4 D3 F( u2 d k2 K if <condition> then+ c' V5 m' k& w; c4 U
<statement sequence1>;5 z+ Y$ V+ C3 f2 @# {
elseif <condition> then
9 D0 B/ W0 _% K& V- e2 z3 ] <statement sequence2>;
; N0 E z I$ h! l else
) {# @! C8 Z z! X! W <statement sequence3>;, g9 ^/ u9 q7 w; K# V
end;0 | r0 V ]) N% c3 S( F+ V$ ]
如果分支比较多，用：7 z8 ^: X% f1 A& m K, T6 _' a
inspect <expression>
" { b2 y3 h+ ]% h- p4 X; T when <constant_list> then
3 y& b9 q# P+ n& [1 b <statement sequence1>;" x4 |& S" N* v- [
when <constant_list> then
8 ? _1 [5 q5 u7 y) h3 p <statement sequence2>;
" c* F7 }7 f0 G2 g; S4 `1 C ...
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<statement sequence3>;
- w$ w9 i$ D* _end;
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2循环语句
! J1 W" i- d" X( V6 S( i (1) from <statement sequence1>
9 k# e% V: E! M$ x: E until <condition> loop
- X( _" M" U" s9 c <statement sequence2>;# o) l: l# ^1 e8 ]% }
end;
. a, H. Y3 r" }1 i" q (2) while <condition> loop4 @) c& \5 n% t) I
<statement sequence1>;" {' L' @# |1 l% B
end;( q+ L% k/ }3 C4 d. j$ e+ ]
(3) repeat
! g. K8 e: y- `! [! \ <statement sequence1>; y& V/ {$ Y0 P5 ^4 d
until <condition>;
) x2 O& q/ l- R (4) for <condition> to <condition> loop6 {3 b' \, Y' Y, D" Y3 c& @
<statement sequence1>;
' ^+ A+ \* F4 f* k next;6 H. ?! K3 s6 x7 ^, {, t0 T9 B% E
3中断语句8 D5 i) m' F0 G5 f: @2 I
waituntil <condition> prio <integer expression>;) Z8 q! Z6 O2 p
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以上为常用的函数！
) N3 o: A$ G8 _- t Q$ n还有很多，如有需要我把资料发到你邮箱里
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