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发表于 2012-11-13 08:48:12
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1判断语句) i6 O3 N0 ]( m
if <condition> then
; Q6 r! N4 r9 S7 U) M <statement sequence1>;( g/ T, H0 Y0 [. Z2 v
elseif <condition> then4 W/ l1 }" x( N% h6 C
<statement sequence2>;% M1 f- S- n4 D- S. G! f
else 8 J# G# U) L$ y% h$ k& C* |; y
<statement sequence3>;3 N# N7 E! o( F5 u8 |1 r V t
end;
) k4 k* T& {$ I如果分支比较多，用：5 n* X# t: B4 X# c9 F4 h% k
inspect <expression>
! H% t5 T4 \! E! @ when <constant_list> then) k$ F& s. l9 N! j
<statement sequence1>;
2 V6 t& `& S a' B; S! W( w when <constant_list> then' a# ^3 K6 a1 ?0 `' l
<statement sequence2>;
* U5 Z- q/ \9 M$ { ...
( W4 S U) }# B else
4 Q" P! X2 O" {0 ] {2 w <statement sequence3>;
/ Q' U$ i. n: L. n& [% a, c- Iend;
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' B9 t+ j% p. O0 R3 A2循环语句
! m$ Q; v: q( A% ~7 G0 } (1) from <statement sequence1>3 E: ~! c' w+ w+ H1 j& o ?4 b5 u
until <condition> loop
9 p/ Z a0 m ` <statement sequence2>;
* P1 p u. E8 J$ e, d# z. D) K end;
; S( {2 {. |7 X, X (2) while <condition> loop* b: K8 r5 `+ N3 m
<statement sequence1>;
! n$ W' o. v# I8 ~ end;
% _0 T/ s( f0 n3 T; I" c7 F (3) repeat 2 G7 u4 e% `, l8 V& H
<statement sequence1>;9 i! v% B8 A+ U; ^+ B
until <condition>;. |6 u9 p: |: R6 R8 Q8 L5 L/ J
(4) for <condition> to <condition> loop$ Q" |- C* F, M: g
<statement sequence1>;) B& i$ F0 b6 E. E* V: E
next;5 }4 u# W! c, O: V, }! \2 L. m
3中断语句
' Y, L2 x! t; [4 n- g5 t: p2 r* j4 ^ waituntil <condition> prio <integer expression>;# h4 ~1 }2 n* {0 m1 R: }% ^0 ^
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& n6 d" |* _. Q以上为常用的函数！
5 M9 O2 d( _" ]% w还有很多，如有需要我把资料发到你邮箱里
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