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发表于 2012-11-13 08:48:12
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1判断语句5 R5 M% W/ v8 {; o2 S( p
if <condition> then
9 T9 Y2 i8 S- D% k O/ e; M; |8 R <statement sequence1>;
* A# g; o! f0 A' u5 V8 H elseif <condition> then% A9 B; G. G. k1 C0 X9 X. t
<statement sequence2>;
+ [2 K" M2 b0 r* a: p# }" h" \3 i else h8 X; V* q- a
<statement sequence3>;5 `6 `4 ]- B$ s; L3 U
end;
. |; W; O1 l2 s如果分支比较多，用：3 c/ u$ B+ v/ X, }( }3 C+ @$ e
inspect <expression>
3 B+ X$ t1 G, }7 j when <constant_list> then) P) ?5 M0 C, w+ H* T" E# M! x9 j
<statement sequence1>;
% O" T+ j8 G3 G+ x5 L& r when <constant_list> then
* g1 L( ^( M) | <statement sequence2>;
+ |! j/ D& u4 V$ q1 R* S3 _ { ...
1 n* a {+ k& e5 A) G else
+ F; l& H+ B; b4 s! e <statement sequence3>;7 i! I5 u! ], M7 V7 l+ J4 c. E
end;
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; R! Y* e1 j# H: B- }' N1 x2循环语句
/ v0 H1 j8 x7 R: M! `/ t+ X, G) }. I (1) from <statement sequence1>/ y& E0 D9 {7 z) x1 c
until <condition> loop2 _- x5 a2 m' Z) L* C
<statement sequence2>;
+ o+ |7 u D# b end;
! z+ Q- s5 o! d+ U8 i (2) while <condition> loop$ r4 m5 L( F0 C/ _* e
<statement sequence1>;1 @* Y3 \7 C' e- j5 e$ f) M
end;
4 o1 k4 O* j9 S7 g (3) repeat ; j! Y( W( R5 n# z' A" L) O0 `
<statement sequence1>;
+ C* ]/ }, S# R0 q# I until <condition>;5 I6 f6 M, B2 r% Y1 {. d' w
(4) for <condition> to <condition> loop
( }% a: n, X4 G+ J |4 t/ z <statement sequence1>;) k2 Z" M# g0 m& Z1 r
next;
' l! j) ]1 Y$ z8 U3中断语句& f/ X4 r7 I7 t3 s7 X4 L: {
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
0 Q2 ?5 c* f, A4 c还有很多，如有需要我把资料发到你邮箱里
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