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发表于 2012-11-13 08:48:12
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1判断语句7 Y% \) p/ C; d. L6 V1 ?0 V# `
if <condition> then2 {: D" x6 n/ a, R) U
<statement sequence1>;
1 y% Y7 F4 K( h6 Q elseif <condition> then$ ~) C5 l; c- |7 |. p* d
<statement sequence2>;
' i) S! G# F9 \% w9 R1 d else
' k! U) i2 V! k% A0 |. i3 } <statement sequence3>;7 a6 i& d4 ]4 y3 |* k* K% S: ^
end;
, F5 h( t; c% T; _; E) H$ ^如果分支比较多，用：& t* R9 Q4 B6 C1 }* h/ z
inspect <expression>
, e* E2 l7 W% F+ v9 d: {4 ` when <constant_list> then
! d2 r9 \! w4 T% t1 i <statement sequence1>;
) k0 l& |/ u& }* o" P; I when <constant_list> then
6 D7 ^4 a, {- K/ s% s' k B <statement sequence2>;! V; ]& D' w' x
...
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<statement sequence3>;
: ^: ]' ` C$ xend;
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2循环语句
. b) w# W# L1 s/ \4 A6 Q9 Q6 c, i (1) from <statement sequence1>+ z; n1 ]" N3 ^, l# a7 p
until <condition> loop
0 V( O$ A/ g2 a9 Z3 D$ y <statement sequence2>;
$ @/ ]* g: b( w9 g end;+ x+ Z9 k: S3 H3 P
(2) while <condition> loop5 y: E: h1 K) f' \2 W- E
<statement sequence1>;
1 ~6 [+ l: q4 f! Q end;
- ]$ P5 z% B' z; ` (3) repeat 1 k4 K7 I" S2 d" R N" x) N
<statement sequence1>;% @1 J) S' I1 J% D
until <condition>;
; i/ ~% Z0 ?2 B; ` (4) for <condition> to <condition> loop7 Z) ^8 b9 P5 h& ?& P- U
<statement sequence1>;
% C" z- Y- [! r+ u next;
2 o1 }# _4 I/ d/ N5 Y# e6 Y* A3中断语句
7 ^- ~3 h4 J$ [- h! d: | waituntil <condition> prio <integer expression>;
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( D- Y$ m& s- U" W) u" N5 s以上为常用的函数！
- y# Z2 n, r9 u$ A; a/ x$ ^还有很多，如有需要我把资料发到你邮箱里 ( ?: W% l1 h5 q& @- b
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