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发表于 2012-11-13 08:48:12
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1判断语句
! J I* e4 r' n. c if <condition> then0 X% o5 L% T3 t9 [
<statement sequence1>;
# D% v Z1 w% F' F! L elseif <condition> then
' ]) }, L/ T9 W6 } <statement sequence2>;1 q8 p& p7 P6 A% ]
else # f* J1 n- u5 `( n0 Z5 k5 ]
<statement sequence3>;
- U0 r |- k; G0 C$ e& H2 [ end;
1 k8 _+ l$ O8 y+ w# [如果分支比较多，用：, W. y" o& i& w0 w6 {9 f l
inspect <expression>( r' p% M6 D4 I- B( {
when <constant_list> then
7 a- }9 W5 J( T: g& ^( L8 N* Q <statement sequence1>;& r/ s P: b- g# b* y/ N9 D
when <constant_list> then. d- q5 X. K& ?( x
<statement sequence2>; n3 s7 v5 x' ]5 s6 O+ {
...; K6 h& x* P8 Z5 o7 a
else
, E4 c r+ |3 f/ q* h# J2 h. k- | <statement sequence3>;( a2 c+ \( h" U9 _& I% V2 y
end;# @ _; H) {. b6 i) l
3 k/ g9 v4 V$ \* f2循环语句; J3 k1 p! R& u! {3 r# m9 T/ k
(1) from <statement sequence1>7 ?! y' [3 T& r" g: W C
until <condition> loop7 i: [7 c& T- V
<statement sequence2>;
7 c2 Z# N! E; W1 q, | end;5 M) u7 d# s* l; k
(2) while <condition> loop
" T2 g/ d0 o7 u# _; k! v <statement sequence1>;
/ L& k, a& {8 D end;2 U% T6 G6 U0 U" q5 t
(3) repeat
. i0 f; [5 z) M8 j' g& L7 v; d) A <statement sequence1>;, E5 g8 d7 ?2 p5 O7 W1 C
until <condition>;: z; [/ l# w4 ?# ]( n
(4) for <condition> to <condition> loop
: M4 t9 a+ x8 T& }$ w* d* P <statement sequence1>;
& e# D& r, ~ C next;
- O/ ~: y% T8 Q2 C! g/ _ }3中断语句
1 _/ N$ O; _$ _ waituntil <condition> prio <integer expression>;! O# r' N4 F" @) s" P: a
+ g5 k9 h! i' W
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以上为常用的函数！. K+ g; U6 L: }6 ~- l/ ~: H/ v
还有很多，如有需要我把资料发到你邮箱里 ( |9 Z7 z: o, P! M# B
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