|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
$ Y! @4 u1 q# k3 ?) b& C' G if <condition> then
/ o; H" E2 W0 f5 ^- A) M/ d; S2 i <statement sequence1>;
1 I" j! R$ d0 E. ~4 b, I7 X elseif <condition> then, k) c* I6 s3 E( w# x* n
<statement sequence2>;
. L. f o! {% B9 K. e else
3 y* b7 X" s8 N* T <statement sequence3>;
: R$ ?3 P7 T5 I! E1 M end;# G0 d, G& a8 f; _
如果分支比较多，用：
9 \6 p9 y+ {8 e+ _% J0 ? inspect <expression>! K4 M# ~3 B8 w" Y3 i7 I
when <constant_list> then
3 F3 V/ b1 E, Z5 d# \3 ^ <statement sequence1>;3 d% C- K A5 N$ {8 ^
when <constant_list> then) t, O: j, \0 J; s9 b6 O. u) D1 c
<statement sequence2>;9 I+ [; B& @8 F6 \" j. g; j* a
...$ ]; e9 I, p& [+ K& ~& ?% J9 d
else
1 x% @' D& E! `5 }( N <statement sequence3>;1 q& i. ?2 | H4 g0 ?, v0 f& _
end;
+ g+ w5 t P4 v' d& J0 `" {2 Z2 }. E. A( c# h
2循环语句
$ N: p8 o8 P" u' k* C% t (1) from <statement sequence1>3 p) r5 D5 L3 z# S
until <condition> loop
; ~3 a+ ` `; Q* { <statement sequence2>;
' N, B( T" i& r2 i end;5 F$ k, a0 A' V# y
(2) while <condition> loop
" p2 \& [3 C2 N <statement sequence1>;& R, w& l8 g* l# X6 I3 F
end;
U" U8 I1 @7 ^& E; v$ s. | (3) repeat , o1 h8 T. }; u0 u0 B" _
<statement sequence1>;
' N. M, E1 M0 Z" ?7 m2 H until <condition>;
& i0 L; u$ R1 s# P# w (4) for <condition> to <condition> loop6 n; N$ Z3 Y' ]$ M! j9 T
<statement sequence1>;
6 c% t# v. y6 D7 Z" ]+ Q next;" s" [+ A3 J- |# F1 }, {
3中断语句
% t+ M; Y8 d, }$ d" v+ p waituntil <condition> prio <integer expression>;
P7 |: b% e4 z; O1 ]* |/ X( Y
; G) C( c# V% e7 T# v, T0 J9 V O
( T% z# ^9 p6 U以上为常用的函数！& k0 d2 d& R! O0 A6 H
还有很多，如有需要我把资料发到你邮箱里
6 _* H& X+ I+ F+ x8 P, G% L; E9 A% k/ y4 S
0 m8 o' R1 D; W! x
/ D* C' l& |- W; I' |
/ W1 a. b8 J9 O$ [5 J' B Q4 y- q* M3 A5 [' [! l# ^ J* F
: E8 X+ w. v! t& N9 C
2 m. Y, A! t( Z3 y5 p
1 _+ D9 S$ v# \2 L' }2 ?# x& n, v+ @' ~- u
& B, o/ A) e6 v. Y! S" X+ S4 h1 u |
|
[复制链接]
