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发表于 2012-11-13 08:48:12
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1判断语句
. z" f9 @; v# j5 e if <condition> then
5 l: n- }$ D" r6 e <statement sequence1>;1 z4 j( M0 z' q( [- Q
elseif <condition> then2 N; x7 b2 k3 A/ X. Y% H/ H
<statement sequence2>;% C6 W: p. `5 H
else
% l1 C8 ]" {8 ^% E4 U <statement sequence3>;
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如果分支比较多，用：
- N/ }7 e9 z7 h' ^7 o, D: E inspect <expression>0 o f5 p/ m# y: s/ Y2 S
when <constant_list> then
, s2 u* S# @+ M. d <statement sequence1>;
4 K2 o2 X7 {. e) s/ r when <constant_list> then, L7 J& o' y% k& m% E0 a& t9 U
<statement sequence2>;2 \, K" D6 J4 h2 k$ u, m
...
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<statement sequence3>;" J) ]7 {" Q$ _3 f
end;
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2循环语句
% i6 z& s; I' N9 b2 A- D# h (1) from <statement sequence1>- o' P( P8 k9 w2 }: p. m' _ c
until <condition> loop, G5 Q( `9 o8 y2 W7 h" f: r' K% {8 {
<statement sequence2>;1 g" Q: {& y* W. v+ h/ E
end; F5 U5 v" k* H$ _
(2) while <condition> loop0 a$ B& W: z7 h7 A3 ]# R$ k
<statement sequence1>;
/ X9 n5 J, [- d+ C' B end;$ a" s" [4 B. s3 c e; G
(3) repeat 8 d8 h7 Q" f9 Z
<statement sequence1>;
- E$ G0 h# o7 q until <condition>;6 p6 y, L7 I1 D$ Z! v
(4) for <condition> to <condition> loop
9 j; p8 |8 z6 s. a: m0 C) @ <statement sequence1>;
: H" X3 ?! f/ Y next;- T. R. Y; \/ R% w, `
3中断语句
3 S/ f7 g, l4 U; c+ r4 g/ k& @6 M- j waituntil <condition> prio <integer expression>;
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7 n& T3 G5 n2 f; \. D' N以上为常用的函数！/ m) C5 G3 b _
还有很多，如有需要我把资料发到你邮箱里
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