|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
; Y. e; o* D7 {& @- i if <condition> then0 C; k/ K0 [" {; \& C. r
<statement sequence1>;
8 V: W6 w) _. O* [ elseif <condition> then
/ w' K6 X0 p4 |( Y <statement sequence2>;" C2 }; C" l2 H, n
else
8 A C/ G* W) ]8 n <statement sequence3>;
" n2 I6 D- ^! `4 J% J8 e. D end;
5 S7 u2 b; f: ^; ^如果分支比较多，用：0 a* Y4 m$ s* h* {
inspect <expression>4 s3 ?/ t- r7 _2 X6 L% V T
when <constant_list> then7 C+ |$ Z+ c4 I
<statement sequence1>;
7 ^1 Z: c3 y' M( y* e3 T8 e" p* ^* e when <constant_list> then
5 L5 Y& s; ?. D$ S+ w, k1 _2 [ <statement sequence2>;/ Z! C4 p) U+ N9 P# X- ~
...
* ]( q Z% U4 n5 F+ ^ else" D, h. m0 N8 M5 o
<statement sequence3>;
6 l9 G2 U+ j* i8 H/ dend;6 U# M G- \ X+ C K' _& R ?
8 H$ F: m9 ~# M' w& [/ O$ \2循环语句
% Q! W1 f" K f9 z! I, n8 G (1) from <statement sequence1>- W! Q( t, f, p: Y4 u6 G9 R
until <condition> loop
" H8 X) W6 c2 J. ^ <statement sequence2>;3 O$ |! E8 U2 Y8 z' k1 @3 r0 ]
end;
( C3 R9 k3 I3 N+ U (2) while <condition> loop# V7 x0 V5 B# L
<statement sequence1>;6 W. W t' L O3 ^4 A
end;
7 n! _ O1 E1 V3 K+ j' p8 x (3) repeat
" i2 \& k" u- C) O! U+ n <statement sequence1>;
0 d$ m# a" W) o0 [1 I until <condition>;( j& Q) y4 j& r+ N2 ]; o
(4) for <condition> to <condition> loop
2 v" p: D, D1 x) M/ w <statement sequence1>;
' [0 V: F/ Z9 Y4 q6 `& l- j next;5 {& @$ K5 c2 i& S0 }
3中断语句. @! m; ?" s' G+ z( s
waituntil <condition> prio <integer expression>;
8 n" Q4 a; X; r" e
0 Q Y# U5 |- m8 K( ^
1 N- k3 q/ ~/ X以上为常用的函数！
6 g, ]) K0 A! }5 _$ w还有很多，如有需要我把资料发到你邮箱里
2 i$ {) j2 Y S5 e
1 ] {* O4 y8 I( S+ }* P5 x" U9 i% {+ M) n7 t
, c! q( o" A' o. s1 v \1 ^
- E! d. J+ }; ?1 v' a2 K$ G& Y( Y( O6 v2 f/ e0 n( E
% q) d3 I3 z4 {9 ^! d, ^& }7 r+ D* C; G$ f
& R V- J# z) v$ h8 V! L
0 M# M/ E2 M: w0 P) J
9 K, z; T3 {4 y5 v& y) v! ] |
|
[复制链接]
