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发表于 2012-11-13 08:48:12
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1判断语句
. f" F/ o( Z- B% J if <condition> then
7 e5 P! j S" E2 {+ ]5 n0 b <statement sequence1>;* A! }% `, `" P# k- W: p! `* y( Z
elseif <condition> then
# n5 |1 C9 k3 K9 t* J, i <statement sequence2>; r5 A' m, F- ~
else
: f; |- H( @. s9 E! ?$ ] <statement sequence3>;( q: N2 ^2 h( t* O$ f# S
end;: v; ]# {9 D& Y* M1 @: {% A
如果分支比较多，用：
8 _1 F+ ~1 c& A+ c" S inspect <expression>
( p+ p9 M: m" M2 B when <constant_list> then
! m- i* k$ P& a6 e <statement sequence1>;
; i2 g* _) R8 N/ q when <constant_list> then. k6 M: d. D2 H
<statement sequence2>;
1 z2 D- w' Y( a% m& e. I o2 t ...
( r7 R) b. M. h5 z else
5 \4 k; ^+ z! ~0 u0 \" _, ^ <statement sequence3>;9 q9 A9 ^/ |8 w5 _- a8 M
end;5 B0 P$ k* b) F3 [$ z
) z" m; N8 D7 z0 N6 b2循环语句6 `/ C! |( `$ Q; [& j( d2 A
(1) from <statement sequence1>- H+ U7 D( B7 \0 ?5 N
until <condition> loop
! I+ g- k3 E! q% E; \+ O' P$ N <statement sequence2>;
+ g0 f9 Y; E& ~& T( s+ D8 H3 R end;
8 P& K5 C/ v& G8 W8 e3 _ (2) while <condition> loop( ^ ?3 q( U* Y
<statement sequence1>;: l7 v+ O5 Y$ S* ?$ C% Q: `, {" [6 k
end;
! Y2 e2 u& K5 i |9 Q. _ (3) repeat
! I- ^! c, X5 `+ `1 ]9 F0 P <statement sequence1>;
; f7 k z# K' L9 B1 S until <condition>;, j8 S- O Y ^4 B9 m) ^) R9 r
(4) for <condition> to <condition> loop
! n$ e6 W1 P4 a5 T: B# E P$ t <statement sequence1>;
; y! [+ J7 z7 J next;+ ^) U( w7 Y0 }
3中断语句% [+ o3 p+ h+ M4 e& [/ {, |3 N9 R
waituntil <condition> prio <integer expression>;
0 w7 f# b& P# a9 T" ]( d7 f9 `3 Y/ n9 }
( J5 r7 X/ g9 z5 e9 j* A+ f6 D以上为常用的函数！3 r& z* v- z* Y
还有很多，如有需要我把资料发到你邮箱里 3 o$ w4 W6 u% R
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