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发表于 2012-11-13 08:48:12
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1判断语句; S9 Y1 x6 I2 B. [# b( J
if <condition> then
) I- [$ h7 o" d- K, F. P <statement sequence1>;
+ t5 f: P1 _ U. d$ Y0 h9 _2 b8 ? elseif <condition> then
7 Y, I' r/ g6 c6 o <statement sequence2>;
& Y. S" x& |# ^' w0 B, v) ?- } else
* Z( L* ~# O" c3 v <statement sequence3>;
" E. [1 K' O1 ^' `* F. G( Y end;
1 h/ r, a. x# W如果分支比较多，用：" C3 W2 o( N6 q- |5 h/ F1 y0 A* b
inspect <expression>
) m. L; ]) z9 B' j' h8 N, l when <constant_list> then# \, o/ J- s* s8 }6 w0 Z s
<statement sequence1>;
" T! m- |7 N3 ]1 G$ l- A4 C Y- W when <constant_list> then
8 P' Q/ H2 n: V3 n2 U4 f <statement sequence2>;
% q8 c' v% M' o& H ...
1 r' e P' v2 U6 o! }9 v5 W else
' J& z. \9 c2 `1 r <statement sequence3>;
, ]9 S! h# l/ ~! w3 ^5 u& \end;9 O/ N2 X [$ G2 E
l @0 ~) {& `" O4 u$ t z2循环语句9 ^7 F& k. s6 l Q, o! A
(1) from <statement sequence1>
+ D) T) N& o8 d8 ~! \ until <condition> loop; j3 q1 h1 j4 @1 r0 R" C* K2 v
<statement sequence2>;
- B$ b& n9 ]7 i end;
( L5 m0 ?- N: |$ R5 V: G; V (2) while <condition> loop
4 \; b) C4 v3 [5 d3 }2 k <statement sequence1>;
. j4 W: S. b& M1 d! X end;1 q: K3 f$ m( c- y( J$ `
(3) repeat 1 M) S; a7 c `+ Q
<statement sequence1>;
/ `4 x+ h$ i3 s' R/ U1 m until <condition>;
. f( ], a' D4 X4 f2 k- m0 U (4) for <condition> to <condition> loop
& g7 c( ~3 v( K; q2 A2 ^4 P <statement sequence1>;$ x: n0 D0 C# o- x" k" F$ y
next;
- l2 j/ K' l& t& G' Y1 J) }( t3中断语句1 l+ Y/ V+ a" ~! ~: t
waituntil <condition> prio <integer expression>;' |& L( P5 a; D( D0 T; c+ B9 @( Q
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5 {2 p1 p: Z Z h; o7 A6 I( o以上为常用的函数！
/ B) |+ n; G2 h. F! y) I还有很多，如有需要我把资料发到你邮箱里
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