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发表于 2012-11-13 08:48:12
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1判断语句
' q6 e4 ]% v& z1 X2 ]/ }# S3 z if <condition> then
0 x/ T5 m; j) [. D6 }$ r <statement sequence1>;" c/ p2 q m' V% ~% v1 Y
elseif <condition> then
$ u2 C- b6 m D6 S7 \7 t1 c <statement sequence2>;) E ]/ Q( E; I6 f
else
- T' q& y: A1 J <statement sequence3>;
- w# w( q5 D d8 K5 r end;& J: c6 R/ n# Z1 p
如果分支比较多，用：/ C' n8 C8 [% z# s
inspect <expression>
8 n+ G( O# I& [8 @/ x; K when <constant_list> then' E; s) d/ ~6 u! g% e5 {
<statement sequence1>;
8 G/ u G$ Z% H; N% ^% E when <constant_list> then
9 ?5 ]+ J* [- ]# P& W1 m <statement sequence2>;* Q) w3 G" B1 ] g
...
$ t, N+ ~; ^' a8 E7 m: w( K1 j else; `8 W& O7 }5 f9 z6 V* g( u
<statement sequence3>;
# T$ q( Y9 }+ V+ ^6 O) J( e. `end;
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7 O' D7 m1 a k e( f2循环语句
1 @/ \* l7 z- X& t9 }$ M (1) from <statement sequence1>
5 o4 E* L" O. h& I$ z until <condition> loop+ L z& u5 \9 ]. c2 l, w) a
<statement sequence2>;
2 Q C8 N: k% J0 i# \: Z- g& ~; P end;6 n* `: ~9 P* Z9 l$ B3 v" E h
(2) while <condition> loop
8 V1 k8 d* e, r2 m3 D2 _ <statement sequence1>;
( g) Y# I3 D( u) ~ end;
& L$ r4 x# e8 L4 c/ E (3) repeat % T2 Q1 Q2 L- q. h$ {% \( o+ W
<statement sequence1>;
- ?6 u9 u# Y g9 |+ W! p3 w7 ?& A until <condition>;: }# @+ |1 Y3 k8 Y/ N% S* \) C, E8 x% o
(4) for <condition> to <condition> loop
9 } k* W4 z. z$ e <statement sequence1>;5 ~, X4 w$ W; ~1 L
next;
7 E& o; C: x9 h5 t- P3中断语句0 B0 b$ `$ a) I
waituntil <condition> prio <integer expression>;
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以上为常用的函数！) ^5 ^* o4 o% U, q, J% [
还有很多，如有需要我把资料发到你邮箱里
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