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发表于 2012-11-13 08:48:12
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1判断语句, w R; q: k) p. o2 b3 Y, ~
if <condition> then; d: h/ z/ V! C$ T. M A$ J
<statement sequence1>;
; p) r; ~5 h" D [; |4 z elseif <condition> then
( f% c3 }5 L' E) N% B6 H3 L <statement sequence2>;
7 M0 L2 _$ x/ z3 i- ]% \2 N) c else ) Y. ^, e$ ^; o5 P6 y# I1 G7 Q% q
<statement sequence3>;
q X8 W& d3 l8 \& `+ P2 A. I' E end;% C7 `8 ~: j( K0 V9 T
如果分支比较多，用：* u L1 t/ a0 I/ @3 l
inspect <expression>
7 U1 ^: l. C8 z+ ~# b! ~5 T7 K i when <constant_list> then C$ M* a; f, s) t) J
<statement sequence1>;
2 p4 Z# \! x' A- ? when <constant_list> then% g& L1 E- L9 |( ~ d" U+ u
<statement sequence2>;
6 e" ]2 Y8 c! {% R( L+ v ...
4 B& @3 P# J' Y% f( h else
3 w. n4 T; Z. x: w <statement sequence3>;
% o2 M/ v# \- nend;0 J( l6 B9 |- o! P7 I( q, V
/ e! N. A* L* p7 b0 U+ n2循环语句
8 e7 R& i" U* ]) {- q (1) from <statement sequence1>
6 U: J! T8 e/ G- T1 f# m9 g until <condition> loop# s2 @( n1 z: n0 U! n/ a/ R3 E8 A
<statement sequence2>;
. X" R& E6 y4 H y" u8 u end;/ q. J8 u) E* a, w' e+ J
(2) while <condition> loop
5 T6 i) {8 {: K& l; R$ _9 L1 t <statement sequence1>;( T6 i1 Q8 t7 J* F; t
end;: l# U& \; N6 {3 n; D
(3) repeat 6 p+ O! ]1 g1 @
<statement sequence1>;
( a d' P& B5 c7 J5 C. @& @* N) i0 ] until <condition>;
7 y4 K' N; i* h6 x7 H (4) for <condition> to <condition> loop# m* G7 ~/ W" g9 m8 A! q7 }! e6 N) B
<statement sequence1>;
" W2 C; }. _* z! I- a/ @ next;
! D# B2 p9 F" s Z3中断语句% e6 T5 a* j8 ?" ?
waituntil <condition> prio <integer expression>;
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+ P2 c& p0 }; m8 _1 d以上为常用的函数！( V3 w8 j ~ B/ r7 \- b- }! w
还有很多，如有需要我把资料发到你邮箱里
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