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发表于 2012-11-13 08:48:12
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1判断语句3 q8 H( f6 y/ d% J1 O
if <condition> then
; N$ |9 J4 O6 V- X% _ p9 ?1 @ <statement sequence1>;
2 ^: O* P. i3 V$ b$ k; W elseif <condition> then
v/ ?' X- F" z4 \; a' P% g2 ? <statement sequence2>;5 v8 Y3 B7 A1 y4 ?, S+ ]
else 8 q% x" T3 L/ [: L: H, h. w
<statement sequence3>;( Y- S7 M+ ~% Q% t1 ^: g+ V2 F
end;
" d! n" Z9 x& j: I7 K r; P如果分支比较多，用： v& g2 K1 i( `/ w' B; {% Z
inspect <expression>
3 G$ \8 N0 ?0 r- c4 ]$ k when <constant_list> then3 z: b9 b( y; o( x7 C
<statement sequence1>;
( b2 e/ n3 m4 d1 M7 y when <constant_list> then
: c! R: C, N, l <statement sequence2>;8 L7 [- k4 `& r( _+ c
...
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<statement sequence3>; E8 i; Q+ z1 t- U$ m: V; Z, }
end;2 W, W C# K1 A$ D0 d5 L" x; y
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2循环语句0 H' J: {5 f& q# W! Z0 m$ t
(1) from <statement sequence1>. i# ~8 x3 P8 q
until <condition> loop8 F! Y0 I1 t# k5 v
<statement sequence2>;
4 p( u0 P4 L% m2 R) Q, U1 p' e% ~ end;
3 z: o, W0 q! S& ?* l (2) while <condition> loop
* J H: s' A4 U3 j: W; Z3 ` <statement sequence1>;
1 X; @: S0 X9 e; T) w% L" _1 ` end;
3 B6 ?1 @8 V* z& V/ p: z( J" L (3) repeat : W7 o! F" Z- c5 r& ~) b. { d
<statement sequence1>;
/ x6 ?) l8 ^3 U1 @2 k until <condition>;9 Z4 q' j) _/ s' k4 r0 r; m
(4) for <condition> to <condition> loop
: A6 J) m0 g& S4 @" _! Z, O$ c* K <statement sequence1>;
' J5 `5 p( O/ a2 ]2 ~* Q% u next;+ _) ]3 C( K+ l" Q
3中断语句
- p$ n$ F( U% ?* F9 { waituntil <condition> prio <integer expression>;
# n' K8 ]2 \( E% ]1 U: l" D( c+ _& w; A) Q. r; i5 m1 t0 {
5 c V) w9 [" [# J+ z! q$ F以上为常用的函数！" f( A: Y# ~: Z, [3 Y& {
还有很多，如有需要我把资料发到你邮箱里
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