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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
" A2 M" h) O5 o" k# N* p4 v8 r: G8 i if <condition> then
$ D0 b1 |; P2 j$ T <statement sequence1>;! d; W' @& R) K2 r. ~, G
elseif <condition> then9 a0 z2 J3 P; H5 r
<statement sequence2>;
* C1 @$ y+ U! X, C8 A( ` else
: T3 T7 o3 V4 L6 O3 J6 a5 S <statement sequence3>;
* F: ~3 \3 u& w end;
& T3 H- I' R* z如果分支比较多，用：+ e2 u# ?$ I y; B* H+ `! d+ }
inspect <expression>
6 q) r1 }8 l% {, p# {* m- { when <constant_list> then
( U& I. f a6 Z4 A" N <statement sequence1>;
l# _ j; s- d8 c2 z: u2 K when <constant_list> then
3 g% H' o4 m8 z9 x1 Q5 U( G7 F <statement sequence2>;) i2 |) c% z) r# c$ g4 x* I1 T
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else [ e) g( D1 E- s* b
<statement sequence3>;
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2循环语句! v" u' m6 F: P6 g6 V& P4 m
(1) from <statement sequence1>
( [1 ?: b$ d2 A9 T' s4 c* U until <condition> loop
5 j3 }# @6 E; ?& m <statement sequence2>;2 Q6 t9 n- i9 B( v. _$ a' `$ X
end;" N( U5 L$ F8 v' {2 x0 @ B: I
(2) while <condition> loop
1 d. d! ~3 k" m: ^4 N0 q <statement sequence1>;. ~; k3 B, ]$ T( K% U0 C4 ]5 g2 F3 U& Q
end;
' e; [, Z; ~7 T (3) repeat
+ I3 a- c# o2 U! N <statement sequence1>;
% _7 T6 |$ P0 ` until <condition>;
2 a' Q; t/ K% o (4) for <condition> to <condition> loop$ b9 O9 R, w5 ]5 M* l
<statement sequence1>;
9 O% a+ l1 L+ Z4 {: u next;) h" r* j& K7 w" M, c% S! W* j4 A/ D+ }
3中断语句
3 W. ]2 D+ b- V waituntil <condition> prio <integer expression>;9 p+ @2 v; w7 E
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3 x4 @ e: L7 d, n0 ~以上为常用的函数！0 F6 B; e5 ~, W
还有很多，如有需要我把资料发到你邮箱里
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