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发表于 2012-11-13 08:48:12
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1判断语句
7 t% s V. V# D* W: x2 K5 K if <condition> then7 _6 S- ~) R! h# n6 P$ \. Z
<statement sequence1>;( y% V9 h& z5 p0 A9 f
elseif <condition> then# T' l, N' c! Y. Y5 d) C
<statement sequence2>;
0 s. B2 H: Z+ u( ?7 P5 }$ L7 M else
2 y+ R4 a0 r$ o o/ w <statement sequence3>;9 e/ i% w9 _- X% a) R+ f" S
end;
6 F1 S3 V# m4 L& r8 N$ ]如果分支比较多，用：1 R" f9 x" e: s, g6 G
inspect <expression>
! d0 c! F3 [- ?: i0 ?7 C when <constant_list> then
' u' ^6 D% R+ ? <statement sequence1>;: ^, T7 e& e+ ?# p0 I
when <constant_list> then
/ X% @. k. T: k% L2 ~* ~; W <statement sequence2>;
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else5 o' f& v% Q- m/ W
<statement sequence3>;1 ?/ y5 @0 Q- x
end;. v' w# F1 A% |7 Z8 u! ~& r+ }
4 B, P2 y& b0 J6 S2循环语句1 b* N- |# L- ]3 j
(1) from <statement sequence1>
2 d/ E$ Z. j) v" |% I2 P$ F) @ until <condition> loop! y$ h4 m: H" M* e& A: u
<statement sequence2>;% y0 c* @, j" }
end;1 I b- M) Z+ K
(2) while <condition> loop
8 E' |- h" f' O9 p: l- j4 A <statement sequence1>;
5 |1 g, K- J' S- i, v8 f end;
8 U3 ?0 n; q' m' R (3) repeat 6 @+ x c1 t, f4 K' E/ A) n
<statement sequence1>;
# W5 g- M4 ~0 u/ e0 G: d9 Y7 v8 ? until <condition>;& [5 o& C9 p: o9 U9 k
(4) for <condition> to <condition> loop8 F+ W* a0 A: u$ ?& x! A
<statement sequence1>;6 k8 C/ H, s( x7 ?; k3 s3 J, ]* P
next;
8 e! {8 G( e) z' N4 \3中断语句
# i& W( T1 i* [ waituntil <condition> prio <integer expression>;) z9 R- s O. X; g
4 g, n/ m; R0 J6 ~6 f- _# h" @* v; @2 f% v! O8 X* m" S
以上为常用的函数！
4 G- q& E% M9 R4 S还有很多，如有需要我把资料发到你邮箱里 - l/ U* E+ @% { d$ I
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