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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
v/ X. u0 o" L3 H! E- V if <condition> then; S7 c' H( F3 n$ W4 y+ ~2 z
<statement sequence1>;
' X: i% t4 T b" e) N& b elseif <condition> then% @# |9 h' {8 p d' |0 \. s k7 a
<statement sequence2>;
! ^7 S- L- Y0 e$ d, J else ! [0 W' t' x5 l F2 B& P% I8 m, @* j; R v
<statement sequence3>;
& |* m, S: m' q" k6 \ h end;
% P$ x# k% p' ?/ a) G5 Y( h4 w$ t如果分支比较多,用:" \# |6 V) z' [, R1 j! B
inspect <expression>; l& }2 N0 c, ]: u1 J1 m
when <constant_list> then
8 w) A1 q) ~. s8 K9 D8 Y <statement sequence1>;
0 V' E% c6 N% S# `: {0 S when <constant_list> then- d; c5 ~7 W0 m
<statement sequence2>;9 V& x! z. K+ C. Z; f% ]; X3 S
...
. N! }" p; Z+ Z. u: X4 ^1 ~# T+ e else
" l6 R% F( e4 v+ W W <statement sequence3>;
3 w5 ]8 R+ b$ }# b; a% yend;
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2循环语句$ V! K$ o8 \. X$ L7 g; i O
(1) from <statement sequence1>& {, Y' r6 {% L" Z& T4 _# c6 {
until <condition> loop( ]" k3 Q0 {) M4 ^ O4 u8 M
<statement sequence2>;9 J) S5 `$ F, G" [7 [+ F
end;* q; O- R( D4 R# d$ w
(2) while <condition> loop2 e3 @8 X. T2 X9 \6 Q, ^. b/ S! {( K
<statement sequence1>;
8 U( i, Z8 H1 O \% J9 j end;
6 _3 O7 `: {: w0 ]& L (3) repeat ' }/ O+ N% q& z( Q: V( z, g% G
<statement sequence1>;! J. E7 }3 G8 X( {. r
until <condition>;! ^# L- Y. T9 y' G9 Z
(4) for <condition> to <condition> loop
( ` y7 f* R# Y8 p <statement sequence1>;
8 T/ P2 [0 B- L* }0 F) u7 F" w next;, q3 P5 @5 t& E* {' D
3中断语句1 e5 E+ O9 `9 p& q& |
waituntil <condition> prio <integer expression>;1 z; l6 V( G1 p7 T) e# `6 Z
4 L1 V4 I4 R) X0 F- e
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以上为常用的函数!
/ Q4 k {( _- t" w: ?4 l还有很多,如有需要我把资料发到你邮箱里
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