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发表于 2012-11-13 08:48:12
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1判断语句 k/ Q. H, x* E4 ]! p/ J: h5 P
if <condition> then
$ O8 B+ Y" s# ]8 G. O% v8 D <statement sequence1>;* ^1 E6 ?0 J1 J O6 a8 x
elseif <condition> then
( h( h* {$ L7 ]$ u# ~ <statement sequence2>;) G9 X4 r- t, S6 z8 l5 J/ C4 k
else
' C, U& L3 n3 ~1 O) N0 T- e <statement sequence3>;
0 c2 P( I% l9 \) } end;* T; x' j& J6 Y" h' c3 n
如果分支比较多，用：; R( x8 x2 Y" V" d( \+ s
inspect <expression>
' B; m1 s G( u0 l6 p when <constant_list> then
: A. |# f4 [% t0 F& W <statement sequence1>;
* u& b+ @: j& n' D/ D+ R3 g: c { when <constant_list> then& O1 Q+ W/ B& d" F B6 Y# {& V
<statement sequence2>;7 R5 h) u4 v7 V! @, |' s2 }
...$ w% j) H* @6 n9 m, {: T8 B
else
/ A) Z% {! r ]3 V" g8 C6 s! W <statement sequence3>;
1 u4 H5 j" n# @! T1 A/ O& ?end;
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2循环语句6 h" Y! `; @! h$ p2 c7 n$ w9 i) @
(1) from <statement sequence1>6 L/ [9 }- J9 o9 L. P
until <condition> loop0 i2 }$ I9 m$ [8 |. W
<statement sequence2>;4 Z6 X: l3 q/ m6 B' A
end;2 ?) Z3 h8 H$ z! N
(2) while <condition> loop$ T3 _- q4 N! ^2 C
<statement sequence1>;
, K) t! M1 A# i end;
/ Z0 o) c6 \% G$ j9 K Q$ w (3) repeat
# ^( I1 o6 R/ q/ k <statement sequence1>;8 ~' c/ `0 q+ ^, _" Z3 N! E! U
until <condition>;4 {1 o9 u+ q7 c' M8 ~" n
(4) for <condition> to <condition> loop
8 B) k4 U) i* M$ D. p: K6 u4 a8 \ <statement sequence1>;
# m. V W6 P) z; M# U0 H1 v next;
4 i6 |' j& b) d0 _$ H3中断语句5 t/ t0 Z0 t# w" r; `9 R" [3 e# m, r
waituntil <condition> prio <integer expression>;2 E0 G$ F2 b' N
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; ?; J: n1 Q: U8 n0 j9 z& x4 Q以上为常用的函数！* M% \; l, }6 j
还有很多，如有需要我把资料发到你邮箱里
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