|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
3 `2 o6 t7 ~7 R2 k; b# ]. | if <condition> then
I+ G: \9 b" t* _' ^0 v& | <statement sequence1>;1 u" R* e! F+ i4 K9 o6 o; P
elseif <condition> then( P) y8 a5 E# t3 _1 `7 x' i
<statement sequence2>;: ?5 l+ b' y# s" v
else
6 L4 F1 ? i7 |; K <statement sequence3>;! f' O& ?& _/ K0 f( n1 z+ c c0 M9 v
end;7 `3 n, Z9 m# m \1 D; v
如果分支比较多，用：+ @7 p$ C% m7 p* k+ O7 D
inspect <expression>, o4 b; O3 W" H; G2 Z5 X
when <constant_list> then7 I# Y; R1 [2 t/ ^' a4 {7 t
<statement sequence1>;
+ t. v' E; g) |: u) M } when <constant_list> then' }! T; A* L$ h
<statement sequence2>;' U% H9 p/ a, I7 K9 I
...; M1 I `# W+ y* Z( \8 p
else* g! I; y, U7 B0 j, l1 r
<statement sequence3>;1 S. u. a) V, x% z5 L# t5 P
end;6 C* m) v6 u" m% O- V7 ]7 s9 N
, u- Q' B c1 _+ u8 X8 ]# T. J( _
2循环语句
% m$ f' n O4 u W (1) from <statement sequence1>
; o. r! p- K G- b' k until <condition> loop
/ u! j: K& G4 F <statement sequence2>;
9 z6 Q" D3 o$ M! E; m: N end;
* O, L* ?( o$ U* X; | (2) while <condition> loop/ y" c# H& @2 q
<statement sequence1>;. V2 ]! G& u& x+ v' C. x6 t
end;
- G I" w6 P9 `7 G/ Q" D* Q (3) repeat
! p* A' r+ H' T6 j" R) |1 U <statement sequence1>;' A3 r' u3 K* H1 z ~# u
until <condition>;0 N1 x" \4 V- Y
(4) for <condition> to <condition> loop
+ O" n( m& {3 U$ }4 G: R2 ^ <statement sequence1>;
! O9 a/ `& }4 e, M1 |3 { next;
1 K" E; [, H; B( \( |3中断语句
5 u* Q+ q( ~; z9 {0 {; L, S waituntil <condition> prio <integer expression>;
% H- c6 Y+ N3 V3 k+ q3 b* G( s$ [' q0 M8 N
; B; ]1 c7 o, f, a2 c8 O以上为常用的函数！
' m; H# z; P) V3 t& G9 y" S3 _还有很多，如有需要我把资料发到你邮箱里 5 }2 p# e2 y, W4 e6 ^! Q
1 w4 R4 B: a; Y1 D
" r: R( }& f$ m
. z, [' Y/ Y n- \1 i5 N
' w8 w3 T2 P2 s, I
9 M2 L9 S* V0 E3 C+ c" N8 A$ c+ k
% X: k/ }) r3 N8 H# N, s- [+ b {/ t6 b( A1 D2 q
! t: c6 [9 t3 j& h$ }* v( a# ]0 w- Y3 R
' N0 O$ y5 g2 {8 i! J3 V' C* i
|
|
[复制链接]
