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发表于 2012-11-13 08:48:12
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1判断语句
# m: u1 q# S# E9 a( q if <condition> then
3 `9 X9 d. F q" _- k: U <statement sequence1>;
+ l1 s( S# k7 g0 W0 r( } elseif <condition> then% D0 |0 @/ y9 g8 v, ^! ~* f
<statement sequence2>;, y+ `( @/ @; {$ a$ F( w+ o
else $ \7 w3 m; `6 v3 A3 u
<statement sequence3>;
* g$ V3 U2 W o+ B9 K4 i end;' `* U" A: q+ X
如果分支比较多，用：
1 a( Z/ j* S) q: ?8 b inspect <expression>7 h1 y" V7 v( Z7 r, w1 Q, Y
when <constant_list> then
9 O0 U1 D% d. }1 \% ~ <statement sequence1>;) z( j+ W2 e1 X; v) y( c4 N
when <constant_list> then$ X- U5 V K' M, n' }
<statement sequence2>;
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else
* g" C) n; q4 T6 e3 r- |/ S% h <statement sequence3>;
9 c+ f f: u: Z: \ kend;
4 s/ R0 f3 w0 v5 E4 x9 f3 S
# ?7 h5 S" q3 Y( m; y3 u2循环语句
0 U1 M# @1 s! r& \& k7 K (1) from <statement sequence1>
3 ?0 p, ?) X6 e until <condition> loop
9 I0 f) n8 V7 p2 \9 D$ Z$ a9 | <statement sequence2>;8 s1 ~- g8 ^+ ]% }! x S
end;3 K0 b4 @3 p9 M/ q; V& U
(2) while <condition> loop: Z- t0 L. D4 d4 G4 n4 b2 X; N
<statement sequence1>;
4 b' y0 N) j9 p! l$ { end;: F6 m5 }1 q% s) D
(3) repeat
- m" P* T9 r! a; I8 @9 W <statement sequence1>;
! k3 I% y% k) C+ P" @, i until <condition>;2 s5 o- W2 f8 l$ ?! S X8 D" O
(4) for <condition> to <condition> loop; w* X$ p% Z( E% J3 @/ W
<statement sequence1>;/ g, F( \; N3 R6 K( }
next;
& F) u! O. F; g9 P# i" K3中断语句) C! Z$ T2 O; _4 E+ U- u8 u0 b0 ^) x
waituntil <condition> prio <integer expression>;* Z) J, S9 r8 d: _9 v/ ?
, }: s, x6 R* T8 u% G; P" U
9 h# V( J7 B- ]5 j2 c" q以上为常用的函数！; X: ^- k! X$ E0 Q
还有很多，如有需要我把资料发到你邮箱里 : ]1 u8 T1 F+ j! H
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6 \0 V4 O$ f" r! {* ~/ N
+ ]3 n1 [. X n5 G3 _
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