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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
, B0 O' ^% z# Y; f2 e, Z if <condition> then" p6 b* _6 i- P! \: r
<statement sequence1>; r w& k3 d/ W
elseif <condition> then
* r3 G, b2 |: Y, Y <statement sequence2>;) W, e& p6 J+ k" M
else 9 W, l5 E0 Q+ v( H
<statement sequence3>;
5 R3 P- p# ?7 ~7 B4 O end;
4 [( e& k( x$ l! N* v# l如果分支比较多，用：
) y/ y+ V- u' e _/ R0 Y inspect <expression>
5 b) S8 g6 [8 \' J when <constant_list> then7 l9 H; c ^8 c
<statement sequence1>;
! U) v1 z% C7 b when <constant_list> then
4 _; f& C8 E- w4 O <statement sequence2>;
w8 k) X6 i$ G* V ...
( N, T! t" u# {* p) {% O: ^ else
' n& I; l$ a6 s9 C' V" A <statement sequence3>;" A2 y% _( b1 p3 \/ U
end;4 @4 Q0 L V3 Y+ F1 L2 j
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2循环语句
/ {) p* v$ z- A (1) from <statement sequence1>$ i- D6 U$ a' O. J" N- @# K
until <condition> loop
) l9 E" @' L! G2 O) u+ l# @ j <statement sequence2>;$ k3 E0 t8 z2 Q; O5 x
end;! F$ V0 M3 S4 J. J }3 I9 I G0 |
(2) while <condition> loop) p; m" A# f1 Y4 D2 {9 i
<statement sequence1>;
5 g4 d# x1 m3 f. C2 M2 X+ w/ N end;
$ V+ n T1 U N6 ^ (3) repeat
. L% H0 \% j& d8 O' a2 |* |2 ` <statement sequence1>;
\$ w: a0 ]& l0 H5 N6 s until <condition>;) X# R0 V4 `0 I' k, Y
(4) for <condition> to <condition> loop
$ n' Z3 u. N+ O; b, _; @! ` <statement sequence1>;
/ H8 f, g; l" z, \ next;6 ~/ Y6 `# ?7 }6 Q. e/ M
3中断语句7 h0 Y- C* {9 R, W9 b2 ]
waituntil <condition> prio <integer expression>;$ N `8 Y3 Z3 T5 L, Y
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以上为常用的函数！) S! Z6 X; t/ q& }
还有很多，如有需要我把资料发到你邮箱里
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