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发表于 2012-11-13 08:48:12
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1判断语句
$ ^' g! t! {9 [( i if <condition> then
$ E1 S( D) F! ] u5 A <statement sequence1>;
9 p/ N& p7 w p. Q elseif <condition> then8 W7 Y1 S% k( b( P& N
<statement sequence2>;: Q: E' |; \! g( u
else 7 y9 Z4 a' L5 _. y- q- f( [
<statement sequence3>;( ~: q: a, o$ j) W2 Y
end;1 i5 j( k9 d: u T G
如果分支比较多，用：- m Q& W/ @* t% K7 R
inspect <expression> x7 P2 w, D% a8 F, x6 a: q0 W! ]
when <constant_list> then
1 e6 Z) J9 X7 M9 J, j! Z/ W <statement sequence1>;& A* Q2 \9 v# R c
when <constant_list> then+ W% |" g; D' y
<statement sequence2>;
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else
, ^: B3 u( q: V4 x: G3 l: } <statement sequence3>;
+ U: g4 |5 F% u+ T; }$ }9 m' Yend;
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1 i7 |" Y9 Y% b( h2循环语句
$ k& O! O! h' @, B; p$ Y# p7 _ (1) from <statement sequence1>
1 n% o* i; P9 o- Q$ X until <condition> loop
; A: A2 B2 f) r, e- E <statement sequence2>;
: ?& B9 U0 a% S, V4 `* \ end;
; c' Z# t, n% [! i4 G% o: o" u8 _ (2) while <condition> loop7 j( G5 i) E. k& E
<statement sequence1>;
9 @0 L; V$ h4 ?- Z( s% Q0 ~ S end;% b) y( ?. L9 w, m; O8 ~
(3) repeat
! b" s0 Z L! v9 {6 o8 m <statement sequence1>;
1 a0 ~! G0 ]/ M6 _. p: b until <condition>;/ r3 F; ?* x9 ^5 l/ h6 L$ o
(4) for <condition> to <condition> loop
0 c( d3 x6 E1 Q2 D2 } <statement sequence1>;7 D4 s3 `( _! x: e* N
next;2 P6 P& j6 `0 I# E# \( U& I
3中断语句$ J& J8 |% @9 m/ b' L9 q4 K
waituntil <condition> prio <integer expression>;( z) M0 k* D* d
4 }- d" z2 t3 n3 ]
5 y9 o7 c9 A" G3 [) ?0 P; R( G- C以上为常用的函数！
J- a* ^, x7 |, \- ~还有很多，如有需要我把资料发到你邮箱里 9 [, o1 N9 S0 @$ y5 j
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