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发表于 2012-11-13 08:48:12
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1判断语句
6 d. `2 E* d/ A1 u8 g- E- C if <condition> then% Y# g% {3 ` ~; S
<statement sequence1>;
& f$ t: V2 U, Z0 n& O5 A2 c, B elseif <condition> then
3 c+ k' p7 z# W9 E$ S <statement sequence2>;& q/ x3 o( Q. c7 V9 d
else
" W2 N+ l) {' z6 P8 o9 k <statement sequence3>;! ]1 M. f7 J# D' Y
end;
, J$ X! [# x) z1 ~1 I& ~如果分支比较多，用：6 i/ l4 Y; ] r0 n7 W% k8 e- D
inspect <expression>( h. w1 x9 x( |, J8 s& R6 W# t1 k
when <constant_list> then
: A& U+ \& ?4 L <statement sequence1>;
$ R5 ]% S, M7 {, R; E0 \ when <constant_list> then2 [0 M9 u8 x$ n( x' l" z
<statement sequence2>;
9 G4 \) X' b2 m& C' I' R- A+ f ...
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<statement sequence3>;* v: }" {+ V; b) j
end;
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5 h0 z0 I$ m1 q3 S! {; G2循环语句
' P( Q* S9 y9 K$ Y( U1 U, ] (1) from <statement sequence1>. Q. Q3 Z9 ?( h! H6 u, [/ ]7 d+ z
until <condition> loop
: S: q) C5 j" F6 y <statement sequence2>;5 m9 Q( h N0 w5 p5 L' |& v
end;: Z' k4 T$ K- @3 F6 p* G
(2) while <condition> loop
( C% @+ [7 j$ N <statement sequence1>;& @; k- A9 ]* D) |$ h
end;2 r U( ~: S) P1 h5 l' _2 ?4 v8 }
(3) repeat
5 J+ ]4 N* b$ {1 ? <statement sequence1>;
- r3 K. p8 P2 F0 t0 n4 P( q, f until <condition>;1 [1 w, f: t& o
(4) for <condition> to <condition> loop
4 v; Z% Q! G- v <statement sequence1>;
# @" y% e+ s% \! D% v' [ next;
( N$ V8 a6 z8 j' q* ]3中断语句
- c( P0 \3 S5 Z: y waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 z& ?- x( [8 q; \ X9 p& c还有很多，如有需要我把资料发到你邮箱里
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