|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
' ~! o5 ^% y% Q n: j if <condition> then
3 h( Q/ l' E" N4 Z4 D/ v <statement sequence1>; n, D! Q. C x& x" Y' s: ^ J
elseif <condition> then2 n. }; }! x3 v2 o( C
<statement sequence2>;! T5 w8 b/ h; t8 L. w/ L, j1 N
else
8 F8 P+ C3 A9 M& O4 V <statement sequence3>;) W# {1 j& W; F. |
end;
1 H0 \+ \7 O8 M- _如果分支比较多，用：6 B( `) ^7 i6 ?9 s0 d
inspect <expression>+ [" L$ z, C& l5 C. z: N
when <constant_list> then! ]6 c& Q; m7 P
<statement sequence1>;1 p- J. K7 Y: a, V8 e& J$ T0 W3 M
when <constant_list> then9 i! x: y# M3 { n
<statement sequence2>;
. E+ J( K" D' w4 K+ E; s; Q# e ...- p+ E$ V, t5 }/ p& G) @+ |! k. X
else$ m2 g: T- b. F1 k8 H8 ?& L# n3 T
<statement sequence3>;/ w3 _# H+ B) k* |$ j
end;
0 J0 d. e) F& @) |1 @ w; ]* o# |, q3 c& ?- g- Z
2循环语句
. u. t7 @9 g+ B( F (1) from <statement sequence1>9 G( O: l. c* d3 {/ w z4 g
until <condition> loop$ R# y- W0 X+ d" f8 [1 _5 h
<statement sequence2>;4 P+ W5 Q- ?4 \) Q7 v- N
end;
- L; g4 z% e1 z, {& h4 q (2) while <condition> loop3 T' a& C/ |5 {3 u
<statement sequence1>;! e8 V; [' v8 T+ x$ ~) |1 u
end;
" P9 g* @5 G% W8 Z0 F8 ]: a (3) repeat : ^* ?; ?$ i6 z2 v6 q5 u1 I) c
<statement sequence1>;
" a0 ~' U! F G until <condition>;2 }& L+ i9 V7 g
(4) for <condition> to <condition> loop7 U/ T7 p5 J% _6 q$ h
<statement sequence1>;
3 g( e% F. h, W0 v# ` next;+ m7 Z4 C+ ]3 R h( D" ?; @1 \
3中断语句
8 G$ E$ H; D, q0 z+ V- q; X waituntil <condition> prio <integer expression>;: ?; r( U. O s6 V
% d7 e: v' D/ R `
( m" n: g V* [$ U& w$ s% e+ D
以上为常用的函数！$ W3 r+ L% T8 u
还有很多，如有需要我把资料发到你邮箱里 * D! |: x: {# ?# V
/ ` {8 n9 `+ f/ v9 G; w9 ~, p7 I0 Z; p9 e7 `6 E
7 m% ~% F& J$ I1 X4 C + l! @; w3 ?' M) u" p
; G. d0 h( k; v
9 R9 [$ w8 t! M2 n: C1 C' e& N, R$ t O$ Z. N2 `2 R' c( Y
/ J2 s/ s: A; C4 B5 |' L
4 V! y# O) ?8 R1 C% X
9 r* v: Q7 m) e* Z; D- ^ |
|
[复制链接]
