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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" c l2 o& m8 k4 I# {' n
if <condition> then$ e; P6 |6 P/ T/ Y, [
<statement sequence1>;
9 R1 C: v4 F: l! q& q elseif <condition> then% c; O+ y) j* f& O; k& o
<statement sequence2>;
4 z) U9 e6 @% Y+ A$ d else ; i0 _" I- ^7 K8 U2 S/ F# ~
<statement sequence3>;
& ?' L9 K/ R% { end;
. L: y, q2 c5 `2 j如果分支比较多，用：
& V3 W# h/ R( x) S8 ?' K4 S& u inspect <expression>/ A# p$ j' z: G6 R& n% i
when <constant_list> then
' J2 q* M* Y& f f6 ` <statement sequence1>;
+ n, v8 z0 s- p; k when <constant_list> then
9 z7 ^3 |6 \8 x. x/ k7 f' B J% h4 y5 m <statement sequence2>;
" c1 [$ q9 G" D8 A1 k7 ? ...
+ D2 b' g/ [6 V" G5 [3 z else
% ]) f# H7 s% o! M4 ^* f <statement sequence3>;
9 P' ^& B% M% \0 ^0 o5 L7 Rend;
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2循环语句
0 ^/ V [6 y! x; O' z* C. e (1) from <statement sequence1>/ J1 _* W' v2 i
until <condition> loop7 ^+ I f3 F. ~" |+ R, c& g7 L
<statement sequence2>;5 E8 B- _1 P7 e) p; Q) X b
end;
k8 h/ u: M' I* Q+ v8 k1 `* g# @4 Z; r (2) while <condition> loop
2 _4 H7 }9 m! q% a; L6 d+ g3 W' Q <statement sequence1>;
& ^0 c8 K, d" a, _ end;
4 e: e% V- o: Y4 M4 H" c (3) repeat 3 {" t6 N" L' l' }+ Y
<statement sequence1>;
" q* `' a6 o" i9 g0 n/ T: O" c until <condition>;& c+ I' d. j7 ^% _; N+ s
(4) for <condition> to <condition> loop
& }; l; u0 O r1 t <statement sequence1>;
+ y6 }. m1 {% J/ ]3 B: N3 A next;
% | ]* W% }9 M3中断语句' c$ i% p' N6 p3 a5 X, T( K
waituntil <condition> prio <integer expression>; I0 K2 j) f3 F# G" I
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! W% l) @$ E. Z1 @以上为常用的函数！
9 v9 R1 v( Q9 s& N8 Y还有很多，如有需要我把资料发到你邮箱里
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