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发表于 2012-11-13 08:48:12
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1判断语句
f: `+ ~- l. g* q2 l if <condition> then
0 D. P7 N* }6 j <statement sequence1>;
" w: o' G/ k6 k6 f* P elseif <condition> then6 V# b0 n. v+ A! O' m1 D7 w1 {
<statement sequence2>;
5 w' M# K: q. |$ X6 Q( z3 D else
1 P: e) i7 ]7 ] <statement sequence3>;
' K3 E7 v/ w+ w3 h% I end;- p5 m8 Y, [2 C+ {- J, {
如果分支比较多，用：" i0 V$ v7 {$ g% e4 u# e* A a
inspect <expression>
5 X6 _' t( v$ j( s when <constant_list> then
! `* A* T7 Y1 ?( C; Y4 ` <statement sequence1>;8 t0 C2 ~4 J% C7 K; I& _/ A# s
when <constant_list> then
+ j* c) z2 G9 q2 G5 H <statement sequence2>;( W# \6 X" I& I6 Y
...
' F5 @* F1 h- r6 \7 w$ U else
/ \+ |+ J: N6 P q <statement sequence3>;
% o0 P! q0 R/ Z& M) R: iend;
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! a. r8 M2 b9 f. z+ C2循环语句- t6 F% R: Z8 {! U
(1) from <statement sequence1>8 q( r( {, s [: t9 f. D
until <condition> loop0 u2 _3 j* j+ U/ Z
<statement sequence2>;0 B' S8 T' R. {$ p
end;
- P. s# M, d& l B6 J* D5 P (2) while <condition> loop
0 J+ O S- e! k. O6 E) T1 E <statement sequence1>;
( c6 P$ E* m; d2 x1 y5 C6 X+ n end;
$ W$ @: `- a ]6 E (3) repeat \/ c3 R1 C- |$ H1 w' y8 C
<statement sequence1>;8 S! ^; z* k3 k: n" P2 a% s
until <condition>;
R a$ f# ^8 u2 h (4) for <condition> to <condition> loop8 t! a3 t+ s/ ~6 N
<statement sequence1>;9 _1 |* ` k9 @
next;
' _$ r; a$ p* w3中断语句
1 w+ L: `) I* R# |- c: R/ x waituntil <condition> prio <integer expression>;
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以上为常用的函数！
" S- f3 {" N7 k还有很多，如有需要我把资料发到你邮箱里 9 X( H( `- ], p% }9 V: P
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