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发表于 2012-11-13 08:48:12
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1判断语句
& W7 z4 s4 p6 ` P. | if <condition> then
* I$ G; ^) ~, m7 q8 X [ <statement sequence1>;
9 G6 m1 C& q C( r4 r; T. Z elseif <condition> then8 ?& U1 S N) d2 g
<statement sequence2>;
- _6 @1 X% M! b: K1 v& C& f else % O& C9 }( G: B6 p/ Z' _/ y
<statement sequence3>;( k- O: M3 N! J& j' K" g1 K8 Y( y# Q
end;8 d0 |/ k% Z( M$ k9 D" y0 m
如果分支比较多，用：; h: |2 d; g( m, a; ~
inspect <expression>
7 W5 f8 K: Y. |9 U9 K when <constant_list> then
- Y/ Q9 V! w( S' Z& ^ <statement sequence1>;
; X" K( i# J# | when <constant_list> then+ G) o9 _) \, p4 I
<statement sequence2>;
& Z/ o( d" G# M, [ G! |8 b ...
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<statement sequence3>;
! j: r# m5 ~; S# c; Cend;# W; o( s# Z$ H
H5 I! [( J6 t3 h, }: J. e* Z& T2循环语句% a* \! S- i* S. w4 O
(1) from <statement sequence1>
) x# m) L4 m1 Y0 N7 n; ]8 C6 B until <condition> loop
5 `& Z; E7 a3 K) @% ]! k <statement sequence2>;: C( V2 |+ F1 v! ^
end;
% v1 C* U- }" k+ i6 U) F (2) while <condition> loop* [: ~, c2 A2 d# X, e
<statement sequence1>;) q$ a9 e' z; p* A: F
end;3 {) F& a l6 ]4 G9 I# O" R
(3) repeat 2 c* u( j6 V! U% C$ C- t q
<statement sequence1>;3 }& x2 s, h; }0 X6 \
until <condition>;6 U* J9 j0 a4 K( S
(4) for <condition> to <condition> loop
; k! I9 O; ?9 P# R* y <statement sequence1>;5 |6 n" J( ^& }) O9 k9 G
next;
0 k( Q6 s( Q( q ?3中断语句
5 a: j: O3 K* }5 P) Z waituntil <condition> prio <integer expression>;! [1 q0 j; L" P
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以上为常用的函数！ A1 E4 ^4 u1 M- v1 y( z: a8 V
还有很多，如有需要我把资料发到你邮箱里 ( U( A5 M& U N% b4 E
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