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发表于 2012-11-13 08:48:12
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1判断语句' b Y: ? ^! u6 s0 ] R4 I
if <condition> then+ s, T( Y- R3 D" ]' { O# z: ]7 X" I
<statement sequence1>;
( d$ I7 K9 v; W/ v6 b elseif <condition> then
+ K9 u; f, j& v1 g <statement sequence2>;' s5 q) \+ u7 D& z
else 5 i% b6 _- z% o2 A
<statement sequence3>;2 m' X" u" b* q' u; l
end;
0 g8 i6 S% T+ A9 o; S如果分支比较多，用：6 q8 C, b: R% e3 K! H; h9 |
inspect <expression>; f( I1 h- @ T2 B3 N& S. B- Q& j
when <constant_list> then
+ {+ z; |6 H c0 _ <statement sequence1>;! b! ]* z8 L# D$ `" j% a
when <constant_list> then
1 A1 T; o b* j <statement sequence2>;( Z3 O$ Z1 }+ q! `8 T
...
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<statement sequence3>;% d# L$ G8 U3 ] T
end;
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- b9 H$ n0 b- B- Y! X4 D( b2循环语句
) n* w9 V; |: e, U0 l" H% B (1) from <statement sequence1>$ M5 b. p8 Z X4 H/ y9 A9 V& R) L
until <condition> loop$ o; Z4 o2 b. P2 S
<statement sequence2>;
- n& ]( L0 S; T) a' k$ M end;
( r; Q( I: X( I# p (2) while <condition> loop
8 X: R7 A% X7 u' `- q <statement sequence1>;; ]% `2 U0 c- i g) \, n8 p1 ~3 v
end;
; @# g1 g4 B6 Z! I+ K (3) repeat % B' r& _/ N+ r1 _* [4 ~% O. ~( h
<statement sequence1>;
4 h! x6 n- p6 R# w" R2 Q until <condition>;
" E7 k; H, ?& r+ X4 x! w (4) for <condition> to <condition> loop* n! ?, b- w% H. P1 ]9 b
<statement sequence1>;
( [ c# n' f3 C6 I, D next;
) `1 `6 S: s- f( ^3中断语句
/ q W0 Q% e6 ] waituntil <condition> prio <integer expression>;# {! u' U: `; ~* k3 x3 Y
! s8 _ z5 ?0 h+ `2 b3 H
4 d1 }( m$ N: Y& `0 t以上为常用的函数！* s6 i" |) M( ^0 T3 W
还有很多，如有需要我把资料发到你邮箱里
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