|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
" k% f6 T& ~1 q+ \" { if <condition> then
! q7 r6 ?- }4 |2 d6 [ <statement sequence1>;) J3 q: e$ H5 T! @
elseif <condition> then
5 ] [5 C7 R' b9 Q8 A <statement sequence2>;+ g) p, `8 b/ H$ d; X. X' Z
else
1 `+ ^" i4 N7 E9 z( e" Y <statement sequence3>;
; O/ W1 `7 Q+ K* T, B( }# j. ?- Z7 j end;0 d% ?/ D' K3 A8 Y; [/ g: s) K
如果分支比较多，用：
7 S) ]( z/ C8 U) x0 k; [ inspect <expression>
! I( G7 h) ^; e& T when <constant_list> then
3 K; G3 z1 F! ^( w" A <statement sequence1>;2 J/ M' a' j3 k+ @4 n
when <constant_list> then. O8 P: l% j0 `6 h" |) @% {
<statement sequence2>;
% } {) X7 n1 W ...
' w3 ~2 M2 L& O else
& F& l" Z" d5 @0 ]" w <statement sequence3>;9 }# ^, y% G; Y& d3 T5 ]
end;
1 U: I7 e: [/ k
/ z) J: U$ R. N2循环语句
9 o5 K2 {. a+ f (1) from <statement sequence1>; y- q, O+ ^* X- W6 \# P
until <condition> loop/ q7 j; D8 H/ R# J( H9 o5 e5 [5 E
<statement sequence2>;
* M7 c5 j8 d: y) \5 ^ end;
* L& E- G6 L7 Q (2) while <condition> loop
: B: n P; _% q+ r2 ~ [: u <statement sequence1>;
5 f- d- ?9 K" r# o U. J7 { end;
, m" n% d* Y2 p (3) repeat 7 D. J) [4 T4 x# B. N) V- Q
<statement sequence1>;
( O2 |$ H+ X- ?6 ~. j5 j until <condition>;
. ^; o3 b& ]: h5 R; A1 L2 l' Z \/ V& ]& S (4) for <condition> to <condition> loop
: {' C! X" P0 G; w, M0 E <statement sequence1>;6 ]7 i V9 q" ~
next;
7 R. ^3 n4 ~8 Z8 R1 M3中断语句6 `" Z- e t% l" L5 N
waituntil <condition> prio <integer expression>;
/ f/ [9 E' e- X: x+ q
+ g5 b& R' _. p8 D: v5 T- d' ?' _" A9 c: E0 v
以上为常用的函数！
4 b, Q8 ~% A8 |1 r$ ]还有很多，如有需要我把资料发到你邮箱里
& B! A. l7 c3 e, C& ~8 _ H7 ]4 p1 I# ~% P
( c* P W6 p- Q! M; `
9 b: u2 z6 e" L# N: L- F: w0 A: y5 | - l! G4 R J3 j4 L9 D
. E7 Q: H8 e! b( U' M+ c" `' Z' t) V+ V4 G; t
4 ~; ` ?9 l! r: k- c) f" o" Z5 L; G2 y
8 | ~+ b. n9 ^/ @" P 3 P3 v+ ^6 D, z; U1 r2 d# M8 J
|
|
[复制链接]
