|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
% K# J. Y# }" s/ `$ Z+ U if <condition> then, G5 _1 s/ R5 N) \+ k" j' F1 y
<statement sequence1>;
: t! Y0 ]; n: |. q: ~ elseif <condition> then* w( h- K* Z# \9 e
<statement sequence2>;3 C# `6 `6 h( j( s. h+ n
else
4 {! h2 b/ y! Z! e: \& Y <statement sequence3>;
$ \, g0 [' x; e( ~6 P end;) G7 `% A; q6 ]' O, w
如果分支比较多，用：3 \* _% F! t7 ]( K0 ]8 f
inspect <expression>6 b! g8 [2 X4 A0 q3 c
when <constant_list> then
* V/ U/ F& V- G/ R+ E <statement sequence1>;
, S- o* Z# P* q# N' C8 |0 J. n when <constant_list> then, P5 w+ a0 @2 U! M' K5 L
<statement sequence2>;
% r2 S: g m. M; l1 s F ...
& u' J8 t2 X" I2 G% w3 F else
3 A' ]( Y. o! S0 R6 D! l8 J <statement sequence3>;% a& g3 [- r0 e' A, L9 V+ m
end;
; v3 } [7 F) p( K5 z5 J& n8 \7 y" L0 I Z* ^ v/ W2 Q, k
2循环语句
/ B4 A9 A9 N2 U, S (1) from <statement sequence1>
( _2 _; D- @7 t- N! H* C' N until <condition> loop
! D T- W% _6 ?, c V8 r$ [. u; m <statement sequence2>;
5 f& A! s$ a( C3 ^0 z end;
; [% w; ?" o7 O+ K& L4 S3 {7 S (2) while <condition> loop
& I$ D( h/ @" q2 S/ I2 i2 P <statement sequence1>;
) ~+ z( Q4 P c- U Q# _ end;
, z1 j# W8 ~+ p v, [. f (3) repeat
1 a6 W# {0 D6 n9 \# y6 } p, Z <statement sequence1>;2 X+ s7 e D5 F" D3 Y
until <condition>;( Y# g, D* c/ ]2 T" [6 g4 m
(4) for <condition> to <condition> loop
+ S" S5 ]0 G; T: P2 m: u" O/ l <statement sequence1>;! C" n4 k, S4 M7 H
next;& V. J! B: `4 e7 I; g* n: M
3中断语句' g8 W9 p& C, i& P0 w
waituntil <condition> prio <integer expression>;* M7 ?: T( ?4 B
* D8 b3 w# v7 i1 o
7 `9 q. F: m7 h7 N" @
以上为常用的函数！% M* j. F3 @5 Z6 v
还有很多，如有需要我把资料发到你邮箱里 ) h3 g/ Q" s1 }* C3 O% h/ ~
; G! }* H/ v3 M% L: x( t( H3 ^3 E, F4 z: x
2 ]0 s- J! {+ k: I# x& v
# ~# ]% P( U% b9 }: k3 {
: c2 |" _, e; k4 R" _1 a
1 i0 }+ W! S* @& Z) B
" P4 [) q; o+ D ~$ Y5 w+ D' R: f: M* D. p; M/ f: |
) r+ Z$ _. [6 L/ S9 j% q5 H2 H4 x
4 j5 @* O0 v3 a9 v+ Q9 x
|
|
[复制链接]
