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发表于 2012-11-13 08:48:12
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1判断语句* j$ l- r! w. l/ ^3 q8 B
if <condition> then
! \, o) {4 K* W- Y! B <statement sequence1>;9 X0 Q% \( |4 P! s6 Y) H2 d0 j. @% X
elseif <condition> then! v6 s" r/ @7 Z4 R+ F' m" Z7 _: L
<statement sequence2>;8 ] x, z+ H" T3 v! _6 c$ N
else
% T; |% l3 `+ k <statement sequence3>;" L" l t0 a: c: O8 Y$ k& t; _
end; I$ @1 G" O, k+ _
如果分支比较多，用：8 G$ U% H+ ?0 ^3 J
inspect <expression> o( R, H9 h: C
when <constant_list> then
5 ^% n+ u" G \ <statement sequence1>;, ^3 E) ? v* w F9 v0 Z* @1 k
when <constant_list> then1 k3 U9 M# F" t5 q1 G1 P9 e
<statement sequence2>;5 ^9 s# ^! e0 e$ g2 W' R4 f
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else4 f- k3 g. Z. e- ^
<statement sequence3>;
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8 w% U( t( g, | a1 N; Z* @. X( i6 H2循环语句4 U( U, j" N0 m' f; d" B& D8 J
(1) from <statement sequence1>
3 B+ z. I3 c3 ]& ]( l# A1 R until <condition> loop
' h- P5 `4 c5 w: [ y <statement sequence2>;
7 G: d% b4 c; k: R, C2 R end;
( E, f# w) L6 v1 @8 r! J (2) while <condition> loop2 i; P$ X0 \& A
<statement sequence1>;, R0 n7 `. q+ c: y$ d
end;
3 B, |6 j, C* X% r (3) repeat
& Z( w' j/ H$ M <statement sequence1>;
' K6 {. W* h4 W8 |4 W until <condition>;
; Z' a6 l% {% `$ D3 s \, ~ (4) for <condition> to <condition> loop
1 A- G) ~9 \) Z; S B& G' |, L <statement sequence1>;* ], |7 s+ Q/ D5 p) |' {$ l
next;$ E1 ?3 S# r5 R/ Z
3中断语句
8 q: Q5 o0 H9 ^2 L q G waituntil <condition> prio <integer expression>;
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" K; a( G# k. C4 b- ~以上为常用的函数！( Q: `) D' h3 k6 |5 z1 d. x: c
还有很多，如有需要我把资料发到你邮箱里
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