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发表于 2012-11-13 08:48:12
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1判断语句- d% a& N6 F) @4 b" P1 [9 U
if <condition> then
1 L2 u1 q8 C8 r( I8 m <statement sequence1>;7 N; P' Y4 i! b: z- T
elseif <condition> then
+ c3 f2 m: d; _0 L! e/ ~ <statement sequence2>;
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<statement sequence3>;+ q+ R) @" f" G) u2 d: v4 P! i* |! ~
end;$ @& @; i2 v0 r
如果分支比较多，用：
' m7 {0 {! i3 p' x inspect <expression>( {1 p1 q3 i% j0 V
when <constant_list> then' b/ i6 e* k/ {
<statement sequence1>;2 R% ^8 Z1 W# S `- j4 _/ F
when <constant_list> then
# U( ~8 Q7 }# r4 o( i# `: S <statement sequence2>;. s1 b0 C: d P+ V, F
...+ |: X4 E- i3 \
else
% P3 e5 e$ x4 I8 | o" |1 B% ] } <statement sequence3>;
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: L& w; [* V5 O6 n$ @/ k& W9 X2循环语句
9 {2 D1 y( u G# i. a( l- ^ }3 _ (1) from <statement sequence1>
# q0 x7 k: Q6 j until <condition> loop. D7 V- ~ q$ ~9 f7 v, O
<statement sequence2>;7 s$ u2 P0 w+ X" t
end;
' g, [% d& B4 m! w* ?+ N8 o (2) while <condition> loop( U0 D# H; ]; @ f: l3 {& k( k7 a0 o
<statement sequence1>;5 w+ b) k# J; U
end;' [% {+ s0 {6 ?+ I" N6 y! {
(3) repeat
# v' N9 K' g. Q4 E/ K) X9 a8 J6 Q <statement sequence1>;+ L. n! E% m" ], P' S( D9 @6 z
until <condition>;1 Z. i5 }* b5 `" y) I
(4) for <condition> to <condition> loop
5 V0 `/ a( Q/ t# C- q <statement sequence1>;
% p1 |3 j2 Y8 k, [5 p3 [% H next;
4 z+ H0 L+ H6 l' I3 q8 S3中断语句
0 R1 j% i% i, O# u r5 a a) K waituntil <condition> prio <integer expression>;. P' m$ O$ n. Y3 @
' `1 ^5 O' T+ w4 O
6 J& _: }. l( K以上为常用的函数！
7 f) b3 g) R3 T还有很多，如有需要我把资料发到你邮箱里
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