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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
[3 Y9 ~$ S' A5 C0 ~3 W) `2 t) ` if <condition> then
3 {; L t8 [, M, M <statement sequence1>;
; w7 L) A! ]& G elseif <condition> then
, D n1 d+ @9 l5 @" c+ E( m/ k( L. _, j <statement sequence2>;) p8 W, o: A6 J
else
. r5 x' _2 }# n& f/ V <statement sequence3>;8 B: q2 ]" Y% z" M* @, B1 R5 \
end;1 ]9 A1 z+ `! Q0 C, z/ P
如果分支比较多，用：6 B+ q" Y( V" x% F
inspect <expression>+ n* X/ x; O- b; R+ c
when <constant_list> then
4 W! U7 s9 F: N) U! u4 J <statement sequence1>;0 ?2 d$ ^' v% L; }% o' j; ?, \
when <constant_list> then. F! t% }8 \1 U j' j3 S9 z; i
<statement sequence2>;$ F' Q+ S' ~$ o1 i$ H
...
+ g' K5 n% z) a1 ^! ?$ t- q else) z) n T9 G! N4 ^3 V
<statement sequence3>;
) m D' J6 n7 I$ b5 c( mend;& D0 N D3 f( x1 {' ?2 i
7 q- k. r7 P. c# p4 S; m2循环语句 I" J* O$ P, j* Y! a+ ?; y
(1) from <statement sequence1>
1 R$ e# \$ U2 I0 N; t until <condition> loop
( ^! I1 D- f! j <statement sequence2>;
2 M# W- U4 J, y9 _ end;
' a5 R q' l0 R9 \' N. V* R; } (2) while <condition> loop
7 g$ k4 b0 }& t' s, @ <statement sequence1>;
8 K1 w3 h8 o/ Z Q) s end;
7 O5 y. A. {# g* R (3) repeat ) i @, l8 d) Q: v) H* l! x
<statement sequence1>;0 l" l }, _6 H! N6 a' L6 i, {
until <condition>;
( | f6 C% Z% F9 i: }! R2 f (4) for <condition> to <condition> loop$ k- T6 u' X4 y0 @; N |
<statement sequence1>;3 K) ~0 o* P' @' r
next;
# |" X) R! h1 k/ S% M3中断语句. R' z, }! X0 ]# n( [" c& I6 A7 D# Y8 c2 c
waituntil <condition> prio <integer expression>;& j, t5 \. M+ [: r- J3 e+ g
( ]1 d% q0 Y3 {
% j' f! P0 m: H. ]- C1 u* C以上为常用的函数！
1 X9 m3 e0 I9 b: p& c还有很多，如有需要我把资料发到你邮箱里
8 P1 X: p3 r, r( R9 h8 A: T& U: }( z' z& T
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