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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
8 |6 ~4 |; p) Y& H/ M, O1 y% g if <condition> then
& B. m: J& p0 m+ o/ b; V <statement sequence1>;
. A6 d$ Z X. m elseif <condition> then8 T- y4 o3 T3 G% }, X# |
<statement sequence2>;
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<statement sequence3>;- p: ?; s3 I& _+ ~
end;
: j% k2 A) L$ ]& O W: G% R4 i如果分支比较多，用：
0 z8 g$ p0 c2 J2 h inspect <expression>
8 m7 }3 p. C( V1 t$ ]+ k: [ when <constant_list> then
5 V4 Q! N4 Z' P# c9 J4 ^; R <statement sequence1>;# i4 S& {& O+ |- ], M
when <constant_list> then
! U% y- [3 f. P) k% A! _ <statement sequence2>;
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<statement sequence3>;* g8 c5 X; l0 [0 E0 u
end;8 t% ?7 y% X# V+ H4 \
: k$ N6 g/ Y% B2循环语句
/ f' i/ @" N3 K Z% N+ m% E E (1) from <statement sequence1>0 Y T+ x: p' @3 m! P2 l
until <condition> loop# h: F/ {( T8 h8 v- ?& X% n
<statement sequence2>;6 ~ ?6 q7 O' I, C
end;
/ v- a; w: P6 X9 o- B (2) while <condition> loop
% Z& q/ K: o. |) a <statement sequence1>;
3 |3 Q3 f( ~' X; w: ]3 R end;" M/ ^$ F" C; Z2 d
(3) repeat 9 B( Z) Z: g) v& M/ m) ]( P
<statement sequence1>;
5 V* v$ o u. | until <condition>;: q6 g/ L, q3 k, |" m( x' H
(4) for <condition> to <condition> loop
0 p$ L# J2 v3 b1 Z <statement sequence1>;3 ^; T v+ o* [ a4 K
next;5 x5 L/ S/ |$ i
3中断语句
1 S% b' o4 Y; k) o3 ? waituntil <condition> prio <integer expression>;3 R, z( v( Z9 Y
$ }! N% Q' M+ f4 [! `4 q
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以上为常用的函数！# A2 E/ J7 Y5 x, d) f: v
还有很多，如有需要我把资料发到你邮箱里
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