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发表于 2012-11-13 08:48:12
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1判断语句6 E' R& r( F+ g; s$ G# a7 N7 J$ ]
if <condition> then
) {& W- h" i- [8 M7 Q <statement sequence1>;1 K. N- ]$ ^# E
elseif <condition> then2 S0 K) [9 \) u0 |; o
<statement sequence2>;8 q1 |6 }. J. i
else
# x' R/ b1 Z1 i5 u) p <statement sequence3>;
" i! c) A8 v) G end;
3 M! q" ^# K, y. v! Z如果分支比较多，用：
8 U0 j# F: S! d6 @7 R6 E inspect <expression>6 H! n$ l; P0 O* r& c6 w( H8 j4 I# y- T
when <constant_list> then+ b* }" T- Y0 X0 E a( |
<statement sequence1>; |& ]1 R4 j; r, `9 e
when <constant_list> then9 v+ x$ r$ F; [( x8 A
<statement sequence2>;
5 a, Z3 K5 i8 [ ...
8 w4 B) W. a5 P; e! n6 R# N else
X! ?! F. H$ t! d5 X; e w! l m <statement sequence3>;' C+ w! s) [. k* y! w1 k
end;
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0 M/ |5 { G% _2循环语句! y! A. a# m8 J+ n! X4 n0 b+ ~9 l
(1) from <statement sequence1>3 j4 e% ]# u# E3 H& O& ?8 M
until <condition> loop a0 H) M s3 h- E8 p" O
<statement sequence2>;
8 O+ t$ W, i3 G7 E end;
1 d$ j7 q. M: _8 K (2) while <condition> loop
) ~; f( x# ?$ M; l/ N6 I <statement sequence1>;
2 T. M: W* z' e end;8 d4 e2 X: a0 e& m2 u5 q
(3) repeat
# d7 c x4 N1 }: U, _ <statement sequence1>;
- s! s- L! m& k$ I4 @) K: ~" d until <condition>;! C, ?# `& t1 ~8 X8 D6 `. |3 ^: v
(4) for <condition> to <condition> loop
$ H; a! F& o8 z% J! w1 v* Y <statement sequence1>;8 d/ \+ S; S) S
next; y; d- W# H, A& V# S
3中断语句' N3 [) _ I; x' Y* K* r" ?1 v* g
waituntil <condition> prio <integer expression>;
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以上为常用的函数！; Z, c2 L% e8 o" c# h7 V0 J. d: d
还有很多，如有需要我把资料发到你邮箱里
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