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发表于 2012-11-13 08:48:12
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1判断语句
/ \5 l+ c. I3 Y7 F; o if <condition> then
q* _) c& V* V <statement sequence1>;
# O& J1 R5 g& K1 q9 o' d1 k9 \- J elseif <condition> then. U" q* f4 C+ E* O/ g5 t8 e7 w/ H% W
<statement sequence2>;$ J5 n2 N6 L- g$ b/ }* ]
else & }0 |" `( U. v* b; W8 m
<statement sequence3>;6 ^0 v9 f, ], Z. u6 ]) a9 m$ j
end;
: y" Q7 h0 d; k; i$ n# i如果分支比较多，用：# a5 x$ G8 Z; s/ N6 h
inspect <expression>( v2 }1 f6 [8 x! O6 W$ V
when <constant_list> then
! ?8 ^5 I) b7 a2 B& V9 E/ S* V <statement sequence1>;7 y0 m" k- ^+ u8 I k/ V7 J
when <constant_list> then
+ R5 }4 W) k3 V F( X# G <statement sequence2>;) J9 A: K/ o% s& W2 o0 c! r
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else
" K4 e* V9 ?" F0 g( Z <statement sequence3>;5 e3 A* Q5 }7 L! _; G
end;- \; a# P" k- A
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2循环语句* ?* t! `3 a( }
(1) from <statement sequence1>; p3 X7 I, \: Z5 p* d& u5 v6 C
until <condition> loop; X- {3 M9 B% }* a* L
<statement sequence2>;
% a9 C8 o0 l2 x& n8 o7 r end;
6 \- R9 E* v& b9 ] (2) while <condition> loop/ J% b, Q( F* o3 v
<statement sequence1>;
% m3 k* y% k' v D: @" g$ } end;
1 q. Y$ ?1 |' R7 L) Q* m (3) repeat
7 }% Z( e1 g; } R& o <statement sequence1>;
- W7 _7 d- t: C! J until <condition>;7 p( t6 d9 x0 [) l4 |, |
(4) for <condition> to <condition> loop
* m( o1 C9 j) H9 E% u2 x <statement sequence1>;
% l ^% a0 R. x- X0 ^& i( x* H next;2 L1 X: @, N; D% p1 G. L v# ~
3中断语句" X$ Q) }- w% h- G
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
- ]! o) E6 B0 v0 i0 ^6 M, Z( `( }7 ]还有很多，如有需要我把资料发到你邮箱里
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