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发表于 2012-11-13 08:48:12
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1判断语句
U2 }! i. b8 ^ if <condition> then# x, w8 s: r, ?4 K$ C
<statement sequence1>;9 m5 |8 S- a8 p4 p: V& _
elseif <condition> then
; c& [, X* I4 \6 ?- U <statement sequence2>;* k5 t9 m# J) p/ F6 E3 N Q3 a
else
k' U4 l/ Y7 H# o- h <statement sequence3>;
N- b) a2 z) }3 k3 W end;
5 T( l: k; o0 F2 s8 [# P& ?: T6 M7 l如果分支比较多，用：. u2 ^, ?# N" Y1 b& }) Z& g
inspect <expression>' K" p) W% {; ~- p! n; Z# A) M
when <constant_list> then+ H; U0 _( J) S9 Q: v- @. W
<statement sequence1>;
5 \( A: ?5 b. ~$ q! `3 F; t" H when <constant_list> then( _- L, r0 i. |
<statement sequence2>;
4 `& {1 p' b# x3 T! o ...
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<statement sequence3>;
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2循环语句- y# W2 w; K7 Y0 h0 r O
(1) from <statement sequence1>0 a; T9 Y, N9 E
until <condition> loop6 h2 z" M+ t& q: `" B0 {( U
<statement sequence2>;' R x9 q$ V6 K0 y
end;
' r5 Y9 Q5 R: N5 I (2) while <condition> loop
/ l) N5 h- u$ H5 o* X <statement sequence1>;0 f3 T- s# H% @7 j
end;2 D" l! d" f$ Y
(3) repeat ) X" O2 ]- [+ u& P% Q5 u8 y. @
<statement sequence1>;
( L6 ^# m! |" H$ ~; B. P9 I6 q until <condition>;& Z6 h! b; Y3 d! n* _" j$ V/ s4 V
(4) for <condition> to <condition> loop
* y- v! ~7 U: p7 E, h; } <statement sequence1>;- }# j8 h5 O# U; y! R
next;
" Z9 e, o3 R3 i& M7 m3中断语句
5 l8 w1 C& n8 \4 }, n4 P* r7 ~ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
0 p, f+ V' e$ g' `2 f( {. ]还有很多，如有需要我把资料发到你邮箱里
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