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发表于 2012-11-13 08:48:12
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1判断语句
" ?7 g! V* n: M* m: X if <condition> then
4 h: W; k f# X" Y% J E8 _ <statement sequence1>;
+ P2 f, N7 ~( L! L4 C elseif <condition> then
D# o! x" w0 {+ i; i- j0 N6 i <statement sequence2>; i& `, `4 K. g/ p
else a: ^" T d. [0 E$ R2 a
<statement sequence3>;
5 ~9 n& N0 X p! k: I end;
+ ?0 H" r, C0 u, I如果分支比较多，用：; P4 s- s4 W, o( \( d4 z/ R- E" l
inspect <expression>8 H* p; d9 c/ Q4 r
when <constant_list> then0 c- F0 P# \. K- d6 B' f- W
<statement sequence1>;4 O5 S& f( U: g" n
when <constant_list> then
3 q* W j8 n; N. s2 \ <statement sequence2>;, [6 F9 k9 I; ], |/ w
...+ |2 z- P6 b$ M/ r% ?; o9 b
else- [8 }! K6 S, n- k8 P
<statement sequence3>;
0 _# D$ ]# i: s( K% [end;
0 B, J4 ?0 K' j& t Y: }" F2 a; l, ]3 n N+ `) o6 `3 k# c1 E
2循环语句# N+ f) \+ r+ s. m$ u: }, B! ^
(1) from <statement sequence1>
0 F2 P- [+ K" |' c/ S& n until <condition> loop
7 X! ^( M! s* X+ g5 b <statement sequence2>;
6 @: N" e9 T, ?8 M8 @ end;
2 R. G4 q& }6 \& W5 w9 s0 h# e, f- V [ (2) while <condition> loop
1 P/ p- d' D" n7 [% @ <statement sequence1>;) W( C% B+ r+ G f) I; D
end;
: w/ W2 d0 L4 W7 ^- b) C- ]5 [1 ]& Z (3) repeat
* j0 D0 k# c+ j9 F <statement sequence1>;
7 x) V7 k6 S+ a# S until <condition>;9 R, m3 B) s* O. u
(4) for <condition> to <condition> loop
; H. r# M2 [% ?1 U4 ^# l <statement sequence1>;' A! D7 n X# E2 v# N8 }$ {
next;$ T9 T$ W. p0 ?# p$ H. N* G
3中断语句
$ Y3 t6 m) ], A waituntil <condition> prio <integer expression>;2 D- r' z8 M% a
7 m/ y- g; `. ]3 A/ I3 v1 F
# f/ q% d2 T4 E2 U' U# g, k以上为常用的函数！
/ e/ U8 b. l1 E8 }8 g还有很多，如有需要我把资料发到你邮箱里 + v. @: J% @% e( x
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( a% }8 r- x, E- n. R+ q) f9 Y+ o8 k# J
" O. t& }: }3 i . J5 k' z0 K h5 T% i% L
; K' E$ Y3 P+ P& _& G
+ q( I7 Q9 W7 M8 U; W8 F0 A' K# k
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+ p3 A# f2 \( i : l6 B, |5 q. C9 ~( i
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