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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
# a% Z8 s& @3 T7 g if <condition> then" D! Y. T2 |* ?1 w* g7 O) c
<statement sequence1>;, @% Q% t" G5 ~6 G: K+ M- J% D" x4 ^
elseif <condition> then
/ T% w% J/ D4 ` <statement sequence2>;0 A x" O9 R. @2 D; n8 Z4 |
else
! s. K, O0 K- H" W% V <statement sequence3>;
; \1 ]9 d7 ?& M4 Y9 b end;
, X& n8 t8 h! k如果分支比较多,用:) r2 H* e8 e/ J3 V* o
inspect <expression>+ v- Z$ D" l+ q- v8 q7 C/ z/ ?3 H/ G1 \2 W
when <constant_list> then: Z2 y! E1 _& h, |( `$ U
<statement sequence1>;: p0 ?1 X$ b! x* e, v
when <constant_list> then
* h0 s8 n) g6 O2 Z, n <statement sequence2>;2 [* B+ G& ~7 J, s: v1 U
...
8 N# x: v0 X& p else
3 m3 B# M- Z( t8 a" ?7 i0 r <statement sequence3>;7 H/ @7 o, V# s6 _) c& ~. S
end;
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2循环语句
, W9 u9 _* R) @+ s( n (1) from <statement sequence1>3 p7 r; v4 w+ r0 L
until <condition> loop$ w0 B1 q* J" a4 L2 E0 w; c" I7 {
<statement sequence2>;
( ^' U2 {0 v0 |8 k+ ^ end;- W/ C$ X: C( ]' ~9 g; _/ Z
(2) while <condition> loop- D! H* x* A$ ?9 n. V- {9 Z
<statement sequence1>;
+ W; Y$ \# a: ? end;( C3 B& n; v# [6 Q9 `# m8 \
(3) repeat 7 l! N# m% u$ g+ a! h
<statement sequence1>;
) b% H6 v( r* g' X8 U until <condition>;6 N9 E* V( O0 o* |! Y& k
(4) for <condition> to <condition> loop
. { `& V0 S% @9 q1 b8 e <statement sequence1>;: d3 d0 X. p7 F( i/ C9 G
next;
+ D, g: w- h% e- M# b2 i% W3中断语句* Z/ B# ~3 {* Y9 _1 Q$ g
waituntil <condition> prio <integer expression>;! e/ Z& s4 ^8 F, u
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& o" q8 w5 n2 Y
以上为常用的函数!
) K5 C9 J1 e2 h C! z% Y9 X2 s还有很多,如有需要我把资料发到你邮箱里
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