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发表于 2012-11-13 08:48:12
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1判断语句 k5 E, \' j4 V5 Q8 I1 i/ \! q
if <condition> then' ^: m/ h& P t
<statement sequence1>;0 t/ O. c" f3 _2 M+ O4 G
elseif <condition> then
! j) P" U K+ i ~/ p7 k <statement sequence2>;
/ ]: E% }! c4 @5 R/ S1 G0 B) ? else
! P6 D4 y7 |4 w# F# m3 X- ~ <statement sequence3>;
) S, s+ W* Q+ c: { end;
- q/ }/ K8 x! Q/ ]如果分支比较多，用：6 c7 u$ q/ M6 {% ?; ^; _
inspect <expression>. M' R' E# l( N' `" H+ C) w
when <constant_list> then
# P% [& [1 g$ I" |4 E$ _/ R <statement sequence1>;( a+ Z& V( S6 v z* p
when <constant_list> then
. Z7 `: H6 Q) Y- ^* {0 N+ X \) t3 G( S <statement sequence2>;
0 L0 o: l# Y% E3 i* U) e1 C8 l ...
* r$ }' @" @, L else
7 x, ?. S- G( C( q8 I& M1 t <statement sequence3>;
0 {2 S: s8 H3 f3 ^, a' h7 tend;0 C4 w1 e: | l; {/ r" Q" V
7 I7 }& V& S3 Q; G8 B1 z# e2循环语句
* D- q ~# U9 K (1) from <statement sequence1>, z ^5 p+ P6 v w* _0 r6 @' p* s% y
until <condition> loop
0 {8 @8 t4 b9 U& h& i <statement sequence2>;
- ]& C5 C- P# {& l: L4 h end;
y: h1 j, r4 ^$ v @7 q (2) while <condition> loop" Z2 C- A# _' a0 N9 Y$ t1 r8 V
<statement sequence1>;7 H5 [, e& |% h7 J) N
end;
, w3 j( m6 x9 v3 h (3) repeat
2 [6 n! y8 U# C% ^6 y <statement sequence1>;
) Z: F- ?/ A: f$ {; [ until <condition>;
# ]( ?/ t9 K& _& I2 i/ `6 U7 H z (4) for <condition> to <condition> loop
& u% b+ k. u+ h1 x7 p* {8 N <statement sequence1>;
& r3 Y# H6 L6 L next;$ v3 D9 J a$ F0 a, Q* N# i* }& c
3中断语句2 W0 m, y8 u c% j
waituntil <condition> prio <integer expression>;: H/ b% Q; t9 T. u* f4 [* ]# z* [
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以上为常用的函数！4 u6 E d5 ?0 u
还有很多，如有需要我把资料发到你邮箱里
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