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发表于 2012-11-13 08:48:12
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1判断语句5 I* d3 q1 u% s4 Q; }: G
if <condition> then* {: r4 E( ^! v+ G
<statement sequence1>;
5 ~) Z3 B8 M$ e8 i+ ~' s7 [ elseif <condition> then+ R2 R) [' b# b) i, V2 A8 R6 e' r
<statement sequence2>;
5 ]2 O. k+ h8 d$ | else
6 h; c! O4 ] b8 ?" D, J, W <statement sequence3>;
% N8 @' q8 g7 c" x2 V% U end;. }; b& R4 V ^4 [; x8 V3 n7 T
如果分支比较多，用：& V' G, U# m$ Y
inspect <expression># K2 Q: m+ a$ `4 j0 F8 P4 ~8 |; N
when <constant_list> then
) U9 H7 P" O' i2 y9 k M <statement sequence1>;
$ I* N# S# u6 d when <constant_list> then% g7 ^1 F1 r+ Q3 S! ]
<statement sequence2>;% f0 Z. O# m) }) Z1 |0 r
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else5 M- h( ?* L; e0 [0 r
<statement sequence3>;4 ^2 o" ~# _9 C l
end;
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2循环语句
$ I- q7 I# t& ? (1) from <statement sequence1>
Y% P/ H+ D: E* E3 p6 ?1 [) d until <condition> loop/ Y# Q+ w: `& Z& T* J( j0 Y& l
<statement sequence2>;
6 S9 Z( f: D7 A% W+ x end;
) q- D' U0 F# w (2) while <condition> loop+ Q& f+ F" \# E4 e9 V$ W
<statement sequence1>;( `3 I, t$ H2 r1 ~ o, o. J
end;; S& m' [# r) `( G
(3) repeat
# _- A. U2 q0 z% V' X <statement sequence1>;1 _+ M3 @0 C* P2 Q! {
until <condition>;6 C4 U2 i4 U/ B
(4) for <condition> to <condition> loop
( z7 j3 C4 r' I- R+ W' P' w <statement sequence1>;
' g1 d1 W. H, u& o next;8 ~! \: Z$ f* x! m M$ j
3中断语句7 L: H: F, h( Y9 a* E5 o. C" z
waituntil <condition> prio <integer expression>;
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; U: Q* [4 Y0 s7 i" T2 L% _以上为常用的函数！3 M w8 \' g& w- Q
还有很多，如有需要我把资料发到你邮箱里 , F& T; \( |# _$ y
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