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发表于 2012-11-13 08:48:12
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1判断语句: @5 K/ D% [; D6 M
if <condition> then) A! g) P6 Y4 O1 G1 w5 N% `$ C
<statement sequence1>;
5 v' U3 x% w8 H* H7 j8 i" o elseif <condition> then: ?6 Z6 Z J* K- `* n I0 c% d
<statement sequence2>;
* V; @5 @! ]+ h5 ~, C2 t& g else
. Z6 H0 S8 v! h3 @( j ? <statement sequence3>;1 k/ R0 s4 C+ X/ g0 i7 L% a
end;1 [1 s4 p3 ^% z1 r
如果分支比较多，用：9 M, M, E) e; [0 d+ J/ a+ \
inspect <expression>
. @+ m2 p1 ?+ d. c/ R# H$ a. ` when <constant_list> then
# m7 G* L+ V4 ]1 p <statement sequence1>;) j2 ?/ U5 F) z6 t' w9 B" z' |
when <constant_list> then
( q% c! Y+ x! @4 z0 }* ?; t <statement sequence2>;
$ ^0 _7 n; G; @; Q ...
. y: g, `/ j4 ]5 m- ? else
( G' L, o1 ? X: I$ Z1 U. _ <statement sequence3>;
' O6 E0 e5 z4 B0 m; |& Yend;4 ?; v% r" _; L
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2循环语句
0 n% u; ]- Y" `7 `+ ~ (1) from <statement sequence1>
& R( _: R S1 v9 q; N' M. N until <condition> loop! o5 n$ r% O( b, p3 w
<statement sequence2>;
, T: `: q' U z @0 N end;
& R( D' I2 A! `$ z2 m (2) while <condition> loop) Y- T+ a+ D2 R7 L5 {
<statement sequence1>;
( @$ m: z* r$ Y8 i! [7 a end;
7 r Y8 v* n: `& m (3) repeat
/ g+ n& M- y0 p; Q* v <statement sequence1>;
( L" |4 X1 o* {4 h L1 S3 Z until <condition>;1 B% v1 M6 @9 Z8 K5 S
(4) for <condition> to <condition> loop
2 i- w! ~2 C# Q' `" D <statement sequence1>;
: e6 f2 `! V8 Y+ A l0 V; c5 \" B next;: k) w& i6 Y& ]3 T. t7 e* [$ [
3中断语句& R; u- f4 j$ A" E% h0 ]! |
waituntil <condition> prio <integer expression>;- H1 c f7 ^2 U6 f* h. [
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以上为常用的函数！% U2 y |& a% n/ M! X% N
还有很多，如有需要我把资料发到你邮箱里
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