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发表于 2012-11-13 08:48:12
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1判断语句$ m8 T+ v: W: ?$ P# Z' c
if <condition> then" ]$ ?7 e) g$ k( h- m% F
<statement sequence1>;1 s8 ~0 [' g' H e) w& \- w, z/ I
elseif <condition> then) o2 r% h9 G( e1 q+ O7 N n* ]
<statement sequence2>;
/ J$ k8 l* g# r4 V$ O else
- f( S+ L% B- r& w$ ^) h' I <statement sequence3>;
3 ^4 ^7 V) c+ T8 H$ o& M end;
3 W, q% e) ^$ D如果分支比较多，用：) O! [/ l4 F# g% k& l
inspect <expression>& U, m$ F: }: Y5 S: E2 W' D( U
when <constant_list> then6 ^) ~" ~6 t- J5 W4 y. f! o6 L
<statement sequence1>;- @3 M& U$ Y4 r# C! g& e
when <constant_list> then
- x% K! ?- K1 O( U( w% e0 u9 w" [ <statement sequence2>;# B2 g8 B$ ]( r9 t; d1 ]0 L! ?4 V* P
...
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<statement sequence3>;$ |6 @6 V( E1 J
end;
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/ M& `2 F9 U; z" W; c: S4 _2循环语句1 z8 b" L' |. `0 U: ^4 |& P
(1) from <statement sequence1>& F& L2 D ]! F v8 t1 v6 F
until <condition> loop2 Q" F; s4 E' p% e* S
<statement sequence2>;6 q: \* h o# f7 J5 Z- S0 O
end;
' z+ j6 \/ v" s (2) while <condition> loop
9 A0 ?$ W0 [" H, o Y+ e. h2 p. H <statement sequence1>;
; j# U, k' W: X- h1 {0 M, g5 h) Q+ F" v end;; u+ [- h2 }8 n# b
(3) repeat
9 Z( n( Z: W2 t" q2 ]( \ {; y <statement sequence1>;! O! b+ z2 E. l/ b S) @
until <condition>;, B$ z9 G! C& ], u! f$ P% D5 t- g
(4) for <condition> to <condition> loop8 C* V- O4 k; u2 u) b6 z% ^
<statement sequence1>;& {8 U6 i5 p' Y8 L+ p0 b
next;! J: u, c+ v. s7 ?0 d
3中断语句# T/ t5 K2 P- c( N
waituntil <condition> prio <integer expression>;
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- ~+ N& S: X4 E# b, Q以上为常用的函数！+ E( r; A: B) r5 h7 z$ f) w, f
还有很多，如有需要我把资料发到你邮箱里 ! w% Z" B; m. q' D4 z
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