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发表于 2012-11-13 08:48:12
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1判断语句
3 s4 g# d: G C' X0 ?/ ~ if <condition> then
' R( N6 Z8 _9 S9 D# t% X( t <statement sequence1>;8 V5 Z0 D, W3 D7 i0 s7 b" y8 Z
elseif <condition> then* A3 ~ [' n/ y9 q7 c
<statement sequence2>;% e( K ?) k: a! y: o ^; j
else
) G; G) ]# O s6 H4 c" |" T) H& t <statement sequence3>;
2 l% z1 S& I5 K! y5 K" t. ?" ~ end;
! M, b" I$ D3 D4 G8 o7 A. E g如果分支比较多，用：6 Y6 ?- f+ l& p# J2 G3 X
inspect <expression>
0 S5 @/ e, S; @ when <constant_list> then* L, C! a" N" z/ L; a
<statement sequence1>;
+ u k9 B2 O, [; O! Q& B' H; p when <constant_list> then6 A* Z7 |5 ^' [+ R
<statement sequence2>;
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else. U3 U4 x9 n4 R
<statement sequence3>;# a" U- h# }7 H) M+ R7 k
end;
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2循环语句1 R6 @" i J `: Y/ z- [5 ]1 g% L6 y
(1) from <statement sequence1>8 t* E: l$ C- d9 {: G- ~: a( n9 `' J
until <condition> loop Y1 d; [" L0 {: X5 x' ?; J) l
<statement sequence2>;* X G, S" h; w7 M( d
end;2 y; z ]+ C) t4 D5 _
(2) while <condition> loop
5 \& Y& a% D* e! J* l6 s1 M7 e <statement sequence1>;
* g: o% ^% @ ^0 F7 A7 ~3 N end;1 {' x( ^ G+ \- ~# [. }* ^8 v
(3) repeat
8 O1 h0 e/ d$ i* {6 A <statement sequence1>;1 V- @" [2 C/ ], X7 i" @
until <condition>;
! ^9 M3 j( H5 F9 z- r6 U (4) for <condition> to <condition> loop
) z3 y5 a) l0 a- U5 w <statement sequence1>;
) K7 X- U- L0 n4 e( X/ n! B6 R next;( q! L; U* h, [/ l/ K* A
3中断语句
6 I3 w, c( x# f8 H ?4 U& m G waituntil <condition> prio <integer expression>;7 a3 r, @! l9 c( y+ _7 x' i
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以上为常用的函数！' H& j# t t# F) V( S$ I
还有很多，如有需要我把资料发到你邮箱里 / h; o1 j- {9 Z0 S5 `0 o
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