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发表于 2012-11-13 08:48:12
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1判断语句% [# t, J- C% h# x1 k T
if <condition> then
# C1 X2 @- o- y1 q' f* A <statement sequence1>; M! y+ V: ?, M% h Z
elseif <condition> then
: E$ g: |# c( C: @; |8 |( X; H <statement sequence2>;% C' \# M( F1 T) y. L y
else - |$ K# p+ G: m( Q7 k4 F; d
<statement sequence3>;
9 P: |$ [8 V }5 P, s, r; C end;
; Z6 m' |8 U! D$ C9 n如果分支比较多，用：4 ]2 g6 a6 I1 P' ]
inspect <expression>
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<statement sequence1>;
4 r+ @9 P- u. s1 F! C1 O! b when <constant_list> then9 H( `1 n! g3 B- o, k; ]( v. G4 z$ p
<statement sequence2>;/ M4 C4 G- f. \9 d$ {2 B
...
. N4 t8 t% C" F2 v, [, p* ` else
1 q& j5 }, F- v3 l, R: R M <statement sequence3>;3 {+ d8 o. N' @# F8 U
end;6 V2 P E+ T% |1 D* L. s
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2循环语句
; v4 h8 @* N1 [8 N" u! B. z. `1 C5 i8 [ (1) from <statement sequence1>$ h% u8 C6 p4 C9 T- }3 [4 f" h
until <condition> loop% ]5 o& ]" W8 v
<statement sequence2>;7 n, G+ ]7 H1 Y4 p5 ^
end;
* W: T0 D4 L1 I2 M (2) while <condition> loop
0 D2 L( J- H- C4 A) f: y <statement sequence1>;6 D. n- p# ?/ Y7 J( Z1 U
end;9 R( r/ R, c6 K. c) e+ G
(3) repeat ' U$ O+ ~: [+ S+ Q5 w1 c
<statement sequence1>;0 k$ N9 l* F+ G8 m3 i3 e1 B$ g$ o
until <condition>;
: d1 l" P- H5 O3 p (4) for <condition> to <condition> loop
$ N; [ k! ], _- C <statement sequence1>;
0 J: e2 T& e5 h1 E5 i next;$ x8 |" q- u4 P# }
3中断语句
9 M& U. v( v6 S waituntil <condition> prio <integer expression>;
8 z6 Q3 l$ S" ?
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) E: d# d7 k* ]# r以上为常用的函数！; u. Y- E6 o" o1 }+ N A+ Q
还有很多，如有需要我把资料发到你邮箱里
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