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发表于 2012-11-13 08:48:12
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1判断语句
5 b( N: b" r% ~) I5 K9 X if <condition> then
7 u9 u1 E+ X" a <statement sequence1>;# n8 h$ |! m" M* e
elseif <condition> then
2 Y/ o2 F4 A& z J. J- v7 S <statement sequence2>;
. D8 c2 u) f% M, ^+ |2 q else
+ m8 ~; ]5 ]2 W8 z% ` <statement sequence3>;9 V6 \* W/ v' x
end;
! {% t. s, ?1 U( q! c8 t; b+ g如果分支比较多，用：2 L* b% r8 ?0 b# O# [
inspect <expression>8 j6 U5 d8 \" X# d( K. f
when <constant_list> then( k% [' `1 O e q6 Y! p* o- J
<statement sequence1>;+ _' @2 e8 ?: n( s
when <constant_list> then! W/ b8 E/ O' P0 K2 Z4 p1 Z
<statement sequence2>;+ |+ a" n7 q+ A) v8 d
...
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<statement sequence3>;
- m7 H+ `/ A4 |4 ^3 H. Pend;) B" u2 h, v! G" x% R. x3 B
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2循环语句
# Q) O* L9 O" J( | (1) from <statement sequence1>! X1 f0 f, d7 M: W
until <condition> loop
- a, c* H; O9 J. n1 ?& q <statement sequence2>;
, X) N3 K0 ] X end;' @. S- Y" r5 [0 @ a1 d4 X# i
(2) while <condition> loop/ ]+ T v* P- Z6 t
<statement sequence1>;
: C9 W: r% I* |( m3 m1 w& e/ {4 n; W, c end;, P2 q" B$ R. x; o$ I1 j) A% W
(3) repeat
0 h6 P, H, ]# r5 V- P9 \ <statement sequence1>;
4 Q) U) U" x: h& R5 r& N until <condition>;: C( k" Q T- \8 H
(4) for <condition> to <condition> loop, o ]* W" U7 t! A. [2 K( J6 o, O
<statement sequence1>;# S* _) ]. J- F& N
next;
# z. T' J- u2 ] G G* I; A3中断语句6 |( ~& }0 y$ o: d6 w$ n: r+ G% b
waituntil <condition> prio <integer expression>;# K3 h# _0 Q2 ~: j- S' d
. U: Q* q" a6 ]
0 S) n+ F( S- a# {/ O以上为常用的函数！
+ }% [5 I. [( Y1 S- ^4 q1 q还有很多，如有需要我把资料发到你邮箱里
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