|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* b2 M& |3 H6 `9 M1 i
if <condition> then
}# X6 t% n) I& i <statement sequence1>;
0 x- d! {$ M( ]5 q elseif <condition> then
4 ~+ x3 p' Y( h; ` <statement sequence2>;! y7 T- w' [9 Z* d; w
else
% i2 \- z' O! h7 _% C& N <statement sequence3>;7 |/ {2 Y* } r
end;! b! K5 l7 F0 F3 f% `, c
如果分支比较多，用：7 u. M* k4 M. J. y! C' P
inspect <expression>5 e% _: r+ g! j1 S* G1 s4 X9 V) e
when <constant_list> then% D9 z. @1 a$ e) n* U- V9 V' |
<statement sequence1>;
+ ^. c8 D7 |7 x& [# U h when <constant_list> then
& R9 `% \8 O& b. c& n <statement sequence2>;1 m# }! \2 F* d8 U
...
* x: w2 J% F4 R0 z) [ else& \* U- f# {: {' z! M- G
<statement sequence3>;6 u/ Z% @: e y
end;& N, i# h! V& m" S: O$ C: D
/ ^6 B; G2 r, `: h* o
2循环语句
c" W3 O3 }1 N4 r (1) from <statement sequence1>
( i ]5 _5 ]$ S' h2 k until <condition> loop
$ s0 h6 o( O8 J4 `. C2 g9 z <statement sequence2>;/ [ _* P& g: C' I7 ^/ j
end;; Z0 s! E' ~8 m
(2) while <condition> loop
8 M+ z ?' o" M6 x ? <statement sequence1>;
$ B3 v* a4 \- f1 } end;# h! v4 L6 V* a L1 `
(3) repeat : f, {; K5 v" U
<statement sequence1>;& _2 L$ @3 ^" c, Y3 Y) k6 h& [' g) f( z
until <condition>;
9 j& q# b/ t% x `# a: N7 z9 R1 S/ } (4) for <condition> to <condition> loop
1 P) f5 P- ~- W <statement sequence1>;
" w/ K C9 t- s* b next;9 D2 ~! [$ w5 r6 o" i2 r- O
3中断语句" H/ A$ k( n ] H' C
waituntil <condition> prio <integer expression>;
" S; {5 Q8 @& q$ F% _, n/ T! Y/ F% m& S
; ?5 j, D7 D# y& z& o以上为常用的函数！5 Z) n7 V9 x1 H; a. i% ]3 D/ Z
还有很多，如有需要我把资料发到你邮箱里
- V3 z- t1 O7 U# l4 j& G6 P. \% v# c0 W( T* B7 s$ v- w G4 b8 I
5 X, o1 l* d: M5 L6 X, S
1 H j: @- j+ _: a2 ^+ X) b2 n
( X2 x; P. _; \5 P8 G5 g$ q( Y' u
+ J& H2 }0 q7 P; Y7 r
8 H) w' N4 |3 b3 h" y1 K7 t8 n/ X" j) I0 i
; Y& G! X- ~* w3 i1 p. u( ]
" K- ~8 B; [' C) A- ?4 J $ G) @0 V `9 }
|
|
[复制链接]
