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发表于 2012-11-13 08:48:12
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1判断语句
m! e0 \7 S1 p) T; c4 v if <condition> then
* [% ~, W0 k1 k <statement sequence1>;
6 L; {6 l4 i v8 u$ l elseif <condition> then
) @9 f# U3 Q" K3 x+ X5 F9 a <statement sequence2>;
S% T5 P- w* c, H1 b4 ?8 P0 k( a) q else 4 }6 Q" V0 P4 f$ x* Z8 I" U |
<statement sequence3>;( S/ V" z0 t8 A/ s! E8 b7 c
end;
$ [3 U6 R; ] K# p" z; Z如果分支比较多，用：
2 r2 o7 r/ F. ?3 U7 `( h+ E1 e inspect <expression>
0 }- V S8 \( C3 U; W/ _ when <constant_list> then
0 J- ^3 W9 J. N P; e6 e, Y: [ <statement sequence1>;5 ? c6 F) L o9 ^
when <constant_list> then- O1 q. G* e( y/ C- D W! E8 @. x+ q
<statement sequence2>;0 t8 j' Q& X9 Y8 ~$ w$ h* E k
...' ~. q3 y$ T6 _
else' j# h6 ?! ]+ d* V' v
<statement sequence3>;
' r( u- G9 R3 v* Yend;
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2循环语句
$ w# z" F# Q% v4 U4 n5 ] (1) from <statement sequence1>
0 ~, t( l- C: ? until <condition> loop
& J+ u; P9 N! M2 C% `7 A) V4 T! | <statement sequence2>;) z( k* G0 B1 c- n
end;8 d' C. ^. e% j
(2) while <condition> loop, F" K# ^: d7 m( Q4 A E+ i
<statement sequence1>;
) O/ p; I6 {* o5 `, e) o end;5 H* ?' P4 O; e i8 M% x4 M
(3) repeat
1 } N4 D. i( n2 P( k <statement sequence1>;( |% }. }, R: O W8 r/ L( Y
until <condition>;
+ ^* C! z& C1 n5 {# V (4) for <condition> to <condition> loop
, K9 l+ D, B1 `9 {( Z! ? <statement sequence1>;
@# x7 ]6 ], D6 S" @' J9 a4 @6 \ next;
" t) e4 k* K- }% G5 k3中断语句4 Z* K1 e/ M( B. t) J/ u' K _
waituntil <condition> prio <integer expression>;
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) ^3 j% V, p; S7 q$ ?+ o0 _
# \; u0 U8 b7 Q, s以上为常用的函数！. v. t4 W* B/ x+ m1 k
还有很多，如有需要我把资料发到你邮箱里
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