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发表于 2012-11-13 08:48:12
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1判断语句
# G. W0 Y0 Q5 o7 a if <condition> then$ P% {, L2 F" n
<statement sequence1>;/ v' _4 @0 M5 Q, w
elseif <condition> then
0 H& C" X3 z4 M+ r& K <statement sequence2>;8 Z1 U& `/ A, |3 z6 e! J
else / m2 [7 l8 `* T6 d! Z5 m
<statement sequence3>;" G- U! H9 L! [
end;
3 S7 ^; v: Q8 a, \7 }. y; J如果分支比较多，用：* n, y# D6 d* r2 }7 Y% H( e1 ~
inspect <expression>
* y2 K5 \/ q/ V e2 p" z when <constant_list> then
! G, t2 v6 o: o2 `6 m( J) [( s2 X <statement sequence1>;5 N7 _# ]. \' J
when <constant_list> then: W$ A- D0 j& j
<statement sequence2>;& e) {( z, s- {7 N" X6 T) v# v
...
1 h6 x7 l5 i! ?7 K: o3 f$ U" } else# ^+ F! b9 s5 t
<statement sequence3>;# q4 J& }7 `( S" n9 R% x6 B
end;4 R4 I& @: I p" D
$ f$ _1 y/ b9 F& W% P2循环语句
' R$ F$ t) x/ D( w! l* F) u (1) from <statement sequence1>
+ W( [. K3 N, f. m+ V until <condition> loop
1 H1 V3 f* k7 p- U+ D <statement sequence2>;
: T3 ]: L' q- V! P( [2 L: J5 n end;
0 b# a# {8 ?7 U; [. _' i% f) o (2) while <condition> loop5 l3 \+ ]" Y4 o9 d
<statement sequence1>;
# U& b* Y/ ]+ D$ Y- a9 l end;, c+ n' M8 t( a$ ]
(3) repeat & w2 i9 k7 I! X& f3 t4 ~% {5 Q
<statement sequence1>; n8 |5 P8 O, l
until <condition>;
0 L7 T, Z/ ?, {, W2 M. E (4) for <condition> to <condition> loop, E( K$ o& H2 i5 ~ h
<statement sequence1>;+ V3 O7 L( } M+ U2 f0 z$ A
next;- C; m- T$ O- X; Y+ t" B
3中断语句
% s1 K @. E" d6 }6 L waituntil <condition> prio <integer expression>;: X$ Q# g% P' c7 _& q/ t
8 r; t2 S d7 i3 {# O0 F: r$ p+ n* H( }6 ^
以上为常用的函数！. v# L: j4 r2 i0 m: n
还有很多，如有需要我把资料发到你邮箱里
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