|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
* q9 L- Y! `, E5 \ if <condition> then
0 j5 c, v ]. [0 z <statement sequence1>;, @0 F+ _8 b: ^- N' `
elseif <condition> then8 U& M: b' a- m) I( _
<statement sequence2>;1 i0 K' k5 B) v( p6 e
else
' }9 y6 h: y5 E& ?4 ?7 p: I <statement sequence3>;
5 B# \; `9 R% X5 }: A end;
7 ^! I3 F( D4 c如果分支比较多，用：/ |, O" K0 p6 `$ V& r- X6 K: f# I
inspect <expression>
# ~" T" L5 t! N& c& h+ G& c/ h when <constant_list> then5 r: L) k4 j& k
<statement sequence1>;
" \) n) Z- u5 }6 c6 [7 g when <constant_list> then$ i% @: l, ]' `% i7 B6 o
<statement sequence2>;2 m" t9 F+ D% ^
...
! n$ g. x$ e1 A else! x B. E/ ~: [8 `0 l
<statement sequence3>;
8 `0 E3 P. \- R8 N0 qend;
7 H( T6 ?/ p3 |( r) q) z' u/ s7 [. @9 C$ m/ e5 \9 a
2循环语句
: I9 R8 a5 }& O2 Q K1 w4 Y (1) from <statement sequence1>
2 p% V! |7 v8 T( X3 g until <condition> loop
/ y( s6 H8 t" n. ]+ m4 ? <statement sequence2>;) H& q3 f1 _! D# h' d. T1 B$ }. r
end;3 [* V$ S1 U% }" X
(2) while <condition> loop2 ~, K3 _ H; i& I8 Z
<statement sequence1>;: K. p1 r* r5 g6 I8 w, p0 P
end;# S% e. M6 d- a( h# E0 [
(3) repeat
" d/ m. w2 g y4 E! O: r' R" N1 } <statement sequence1>;0 K2 L) L$ |9 k4 K
until <condition>;
7 e* E$ o) |- A2 V (4) for <condition> to <condition> loop
. ]: |6 l% n8 h# |# F <statement sequence1>;9 o7 l8 ~" m. c- P& s! p3 k/ q
next;
; |* p- B4 j2 f* l5 B) S, X( V# E3中断语句
" b, b1 \# v+ D D; ^0 k8 M- f! K waituntil <condition> prio <integer expression>;
3 p! A2 y& _3 l3 t0 T& d7 {2 t$ O' ?- t0 F! K4 ^
( h8 W k, U9 K1 i9 h& k: `
以上为常用的函数！
0 N+ U7 J! z2 e- w% O还有很多，如有需要我把资料发到你邮箱里
3 E/ h5 `3 Q# t: g: {; e9 X& Y
3 }2 e& {. T$ p v" E: V
# i2 p% T9 x) }+ t6 Y1 e4 p/ r# j; q3 e
' x4 I7 G" v2 P. g" B. C" f1 Y; V
, j, M9 _( o, q
( D8 s4 f: m5 I- h5 J
4 x3 \+ _- t2 u
; \5 ~1 ]6 J( k& N
. V8 @& ~: P# F' n% {8 c# s8 _ 3 z% @5 x8 L ~& T! _
|
|
[复制链接]
