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发表于 2012-11-13 08:48:12
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1判断语句0 b. d4 c9 ? s/ s0 s. O8 A! C( D
if <condition> then: X0 |8 A% C& N& d8 p. {
<statement sequence1>;
, [7 O! R0 M9 ~; Q2 R$ l elseif <condition> then& z$ O& t. b: c) K2 T1 b
<statement sequence2>;3 B# M2 [: x7 |0 U
else 5 h8 O2 i, U' z0 D3 Y0 c
<statement sequence3>;5 g2 c- ?' Q4 C9 {2 S; |
end;7 {* I0 `+ d) I6 |! b9 R0 v3 {
如果分支比较多，用：
5 W5 r% |7 j& R; M% @ inspect <expression>: |+ p2 k, C8 I0 r6 S6 E
when <constant_list> then
; ]# X6 b" x5 i6 R <statement sequence1>;
9 }6 o! ^+ \$ l' U& i# d when <constant_list> then v# R4 M2 E3 d7 Y
<statement sequence2>;6 o6 h1 @9 ~% c" _( F
...
: b) [* D9 `# q6 H. T3 R else
; }$ X+ B, }% V <statement sequence3>;9 ?8 ]( L0 y( q* z1 r* w& q
end;9 Z/ y- q( o+ s" J+ ~9 j9 [
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2循环语句
/ C7 t6 Q' V' T& Y/ L (1) from <statement sequence1>; S; k( \( e A; ~7 U
until <condition> loop
& O8 N3 G* g' }' E) \9 o J <statement sequence2>;
s& O% B* @ F1 E- t" [: L/ K end;" C+ J' x- y7 w# ~0 O
(2) while <condition> loop
: K; ^* r. x/ Q8 Y <statement sequence1>;4 R* u2 |; X: q0 ?' }) s' Y' h
end; [% s% t( C! S# c
(3) repeat ( r: X/ s( @( h) C9 L- T% d8 |
<statement sequence1>;0 d7 ^8 ]9 M2 i: Q% c+ I, @/ [
until <condition>;
6 V* h, g9 e$ P( C (4) for <condition> to <condition> loop% t- W( T* ^8 s! L* ~* q" T1 R
<statement sequence1>;
4 j+ O1 f: Z: k% i8 {+ p. n next;# O( h; M0 M E0 M% J5 a
3中断语句2 Y. F* [; v+ z1 a( w, Q
waituntil <condition> prio <integer expression>;, a: w; P' o' f% s2 J/ G. p
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0 S8 F# ]" |+ O/ g+ u5 n* q以上为常用的函数！
( \' N/ M. I& [& m) ?还有很多，如有需要我把资料发到你邮箱里
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