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发表于 2012-11-13 08:48:12
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1判断语句7 f9 d, }: a7 ^2 r1 V! c
if <condition> then
+ g" y, T$ ~9 w. X <statement sequence1>;
$ B) p. V% H6 j3 J! u elseif <condition> then
; a: |* M9 D8 Y! [9 h <statement sequence2>;
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<statement sequence3>;) N0 ?1 ?- U6 B l7 M
end;. v" @8 @0 m) K" H7 O$ V
如果分支比较多，用：
! Y( B; c, ~8 M4 \* Z inspect <expression>3 G- S3 f9 Y9 ^, l
when <constant_list> then
) e) \) S; \! @( x4 R <statement sequence1>; B7 Z+ D5 C# H# v
when <constant_list> then2 p. \+ }- p+ g/ j
<statement sequence2>;
' {; Z5 K# K9 Q' Y ...
! ~. K" b" k" R else
: u# h% C$ X' H4 B+ _ <statement sequence3>;9 ^0 D% f; `; m- R9 r+ H; b: j
end;$ Q5 X+ ?5 J+ d l) s$ u2 i
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2循环语句
4 a/ a" B- b/ y+ e+ ^/ x6 j: [. j5 | (1) from <statement sequence1>/ b0 @. z2 Y- H; X! H. T
until <condition> loop2 |: T0 L! S, `& V9 f
<statement sequence2>;
5 D" r& M8 Q' _ end;
% I- i: f5 L# t# J8 ]# ?2 f (2) while <condition> loop
/ x; C+ o0 c$ u3 n/ c8 c <statement sequence1>;
+ K) m' w( ^1 { end;
) r/ l1 k7 Q8 _; X' T. [8 w (3) repeat O t; R8 F) ^* ^! [$ a& O7 B; m% n
<statement sequence1>;
4 @* q9 H0 V( {. _- n until <condition>;8 k: z8 f) U2 o7 R) D5 H4 s
(4) for <condition> to <condition> loop
; N+ P( t! {8 L <statement sequence1>;
( c w9 Q; C# E next;$ o; z$ B9 V' p
3中断语句! O, l0 z6 ^( q9 [
waituntil <condition> prio <integer expression>;
# b9 t7 C0 q# }. L/ F7 y+ I |. o: p; K, D8 q1 g8 A; {
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以上为常用的函数！7 { `( a$ k/ U' |0 ^8 V
还有很多，如有需要我把资料发到你邮箱里 # M* @5 }/ u4 f; `
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