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发表于 2012-11-13 08:48:12
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1判断语句$ B# f/ M; B! l$ a+ N2 ]
if <condition> then
0 b- N' o6 U. {" K% D <statement sequence1>;
9 y! m& M5 K8 Y, r* b) | elseif <condition> then
3 |, G2 }% r* a <statement sequence2>;$ x$ j) h& O: {7 B# D' B) z
else
T" c. ^% V2 s3 x7 X! |# `5 f <statement sequence3>;
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如果分支比较多，用：
2 g" A2 ~3 c+ ~* | inspect <expression>
+ x! z2 J, _0 m% f9 M' t* m when <constant_list> then& A5 M9 W: f. M6 S# v" K# C
<statement sequence1>;0 W$ Z/ |0 x& V) I3 I" t
when <constant_list> then
; |, B9 @2 i+ R3 l2 E8 h) N5 m. N, m <statement sequence2>;/ i. w3 z3 u- l$ [; L7 Q
...9 i! m; o7 E! ~/ ?9 t x2 Q
else! k" e5 n' m0 y# i" _! U) D
<statement sequence3>;1 ?$ i0 V2 F+ O+ H" T" O* a. {
end;
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2循环语句
9 g; b) x2 Q4 H) I (1) from <statement sequence1>; T U5 @' a3 b" f+ X9 X
until <condition> loop
" e/ _' [3 F# x, _8 N$ ^, x0 ^ <statement sequence2>;9 {0 E6 K# M" H* k
end;
2 V9 h6 p+ l7 a5 z/ M8 j) E6 U (2) while <condition> loop
7 s6 w6 {8 M" Y <statement sequence1>;
+ E) v" ~. B4 \% B end;; }- F5 m% \6 x! S3 l' A4 O; y
(3) repeat ) x, X1 M. O+ g; D: F" G# {7 h
<statement sequence1>;' Z3 \; Q/ Z' X3 [' r
until <condition>;
- ?6 q1 e+ O+ }. D (4) for <condition> to <condition> loop" S3 }4 m& B% f |/ p8 J* K
<statement sequence1>;$ ~+ r+ _' \6 L( N
next;+ i# y7 w% C- Q' O4 p( n
3中断语句. c$ t2 {- x# n, h* o. B- J& F
waituntil <condition> prio <integer expression>;
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以上为常用的函数！* S' O( a- K& f
还有很多，如有需要我把资料发到你邮箱里
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