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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
4 u, f! G& e d% Q; \! c if <condition> then
/ a/ ]1 o" m5 j6 S1 s7 M <statement sequence1>;
! ^! F: j$ E c Z2 O elseif <condition> then3 O+ L" t- `6 w; a j2 h! s
<statement sequence2>;
' A+ V' k! v& ^( b8 W3 Z8 U/ O8 O2 U else " n4 Y# M. ]8 }# r
<statement sequence3>;0 N9 I6 Z. h) d! s8 A
end;/ E( k9 F! X# n2 X
如果分支比较多，用：& l. f0 A( \) y9 r, L
inspect <expression>
5 B" l0 G4 T9 v4 h" I6 ?6 O when <constant_list> then
; u$ w( `2 t8 A6 R7 W <statement sequence1>;
2 s0 Q5 q: X" Z8 L2 J) o4 {, T4 y/ ~ when <constant_list> then: z( y9 @) b* U+ ?! n+ g* J
<statement sequence2>;
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else; }% H* C1 ^) {* p
<statement sequence3>;
% L! z6 s- [$ s/ b% Wend;
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2循环语句
' ~" F S' m9 ]" D# u: y (1) from <statement sequence1>
" E0 e, Z( W$ u/ |: O s until <condition> loop# K8 N" Y6 } j; L6 P2 A- B4 [$ d. s2 Q
<statement sequence2>;
4 ~) b' K2 s' h/ a2 o( p end;
8 f5 `, [: j, M5 L6 R* M. T (2) while <condition> loop
# p/ t$ J* o6 V% X, @; R <statement sequence1>;
9 w/ o" R. g- F% s( I* S0 O end;( f: h! I& d: @6 v( g
(3) repeat 9 H: i: j& _. p* l9 ~, @: P- d
<statement sequence1>;3 N1 f2 u0 `& S2 ^( x- Q4 f
until <condition>;
5 b; e5 @+ b9 Z( J9 B* K1 { (4) for <condition> to <condition> loop% [+ X# x" X. E" ~' _
<statement sequence1>;% y* v* _( [2 o
next;
% H/ N$ f1 x$ R: M& c3 J3中断语句
5 o( p) u+ @7 b8 P waituntil <condition> prio <integer expression>;3 Z( n2 F9 M1 e# q) e7 i/ l
; |- _1 I1 q9 h. e; _
7 C/ s4 s1 O- }, V3 C以上为常用的函数！- u0 S' P* P/ l
还有很多，如有需要我把资料发到你邮箱里
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