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发表于 2012-11-13 08:48:12
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1判断语句
$ K! H; y- S# v if <condition> then6 g8 L; v- r8 o; h, |
<statement sequence1>;
2 W2 ^+ d; [' F! {" V elseif <condition> then
* E1 C* Z; z. Q# U <statement sequence2>;1 J% e/ `7 z. z. w! v
else
* P4 K8 ^: l' Z0 s: L' u5 N5 T <statement sequence3>;
u& R# q& T& f6 f+ |* S end;
- M8 E' n5 e1 J; X2 b! A如果分支比较多，用：
: R1 U, e4 C; H+ Q( f# F inspect <expression>7 c5 D+ I% n8 d5 \& c
when <constant_list> then7 A% J5 k3 K9 N$ j6 U4 R
<statement sequence1>;* X, Z( S1 R9 T
when <constant_list> then- r. y: q& c$ h2 h- A+ ^$ s
<statement sequence2>;
5 U$ F) |, N T0 H+ `# W ...
1 k1 x8 a3 r; w else
4 b4 I, c( Y8 a# z# P! R# I <statement sequence3>;
$ }# D: v2 ?* @% l0 @, iend;
5 e1 g8 T. a4 J+ G* F$ u) Q* U s3 l4 s1 |
2循环语句) w0 M4 ~7 T, R8 w- G
(1) from <statement sequence1>
3 z# a* I, c6 p3 } until <condition> loop5 w- i( d2 @" e X- T$ X
<statement sequence2>;
! p3 i: _% O/ e5 Z+ K6 O9 y end;) W k3 M Z' [1 R# O# m4 ]
(2) while <condition> loop
1 A; q3 E8 C, A2 p4 d <statement sequence1>;( j( p9 I* \: Q$ S1 l
end;
% F4 I; X1 q) S (3) repeat % _7 ] }* q5 P% h0 U( e
<statement sequence1>;
I4 v' `5 _8 L$ S7 g until <condition>;1 h. I7 ] w( [3 h y8 S
(4) for <condition> to <condition> loop' A% h2 t9 t8 p3 s, }; n
<statement sequence1>;8 J+ q" W3 `! p3 K5 X* v+ P% c3 T
next;
+ F& d! n9 k6 i# L) ^2 ~3中断语句/ ~8 g. K& B0 i$ W& T) M
waituntil <condition> prio <integer expression>;
" K1 A4 {. F. [. G. l7 N4 p, \; m( t$ A
( D+ W; E' V% _( H以上为常用的函数！
; \: d5 I' l" v6 h# E. o6 s3 w还有很多，如有需要我把资料发到你邮箱里
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