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发表于 2012-11-13 08:48:12
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1判断语句
% b! ^* ^# v. ?0 T if <condition> then
4 O; P5 E0 p, [5 \" F. }! G <statement sequence1>;' {+ \! O4 v9 H9 h" i/ j
elseif <condition> then( f# [2 `4 w$ y. X4 X8 F/ q
<statement sequence2>;
; y" [0 ?6 @8 x0 m( r9 f i else
1 E) ^* q% k) H7 ^7 H <statement sequence3>;2 e) }2 E1 o2 i/ I' B' `. x
end;
: |7 g: U' l1 j4 k8 q9 h如果分支比较多，用：7 s7 F. c& e' y; Y
inspect <expression>
$ e; s% K5 d0 D+ _6 r/ {+ s( S when <constant_list> then
5 ^% d) g: j, O% I6 P <statement sequence1>;
1 v8 h, l# n( l2 Y2 S when <constant_list> then
1 }& M% K5 f6 B% e. S; c; } <statement sequence2>;
* @6 M9 w$ s0 z+ P% A7 E, m ...
8 i) _) p5 |5 T- a- H+ X3 L0 Y else" l% g( _5 H3 y1 v7 s
<statement sequence3>;$ q4 s; O" [$ n' J) j
end;# c k W; r7 A& M# m& N% D
6 J% r. ]5 d8 w7 I. |2 B! H2循环语句% r2 a" C8 A8 S
(1) from <statement sequence1>
3 M- P! j. V' b# W g until <condition> loop
8 z3 _* c" G0 b: O+ x9 ` <statement sequence2>;
+ o$ J7 Y5 Z3 I2 g; p% X7 Q end;
; \ D9 T2 c$ e& Y- X, g: J (2) while <condition> loop
$ z# R1 t2 e* X. U: l <statement sequence1>;+ r: J' |) a' j5 n
end;
0 X2 g: ]6 W1 b (3) repeat
|7 O5 g; k4 N" a& {. y <statement sequence1>;
$ W0 P# M, M1 M# r: a0 T until <condition>;
7 W3 T/ r# M g2 K (4) for <condition> to <condition> loop
% S6 V# @6 v4 a S# r/ r3 [- \ <statement sequence1>;
6 ^6 _; g7 R/ y7 W next;0 M6 F h, H8 M* w6 u$ _
3中断语句 v; l L% \ l/ F9 F
waituntil <condition> prio <integer expression>;
6 i9 n/ S) K. d' P6 S9 W% O6 e! w0 B# h* l7 j, n* g6 ?5 \
6 l/ f) ^0 s8 e- s# O. g以上为常用的函数！, t8 _5 U. u2 I+ @6 n
还有很多，如有需要我把资料发到你邮箱里 3 r2 _, i6 s6 F- p1 ]5 E9 l1 U3 H
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