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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
" }+ Z. A+ S' K1 P" ^6 x if <condition> then! P( ~) f$ ?" K
<statement sequence1>;& O8 H# ~# W! e% J' }
elseif <condition> then
# h% n4 u7 I8 ^( x" D8 y7 c <statement sequence2>;
8 s# p! ]0 v6 T8 Y: L2 J8 ~ else
4 c$ Q0 q: a, o. f6 P+ ? <statement sequence3>;2 X4 e# f; }8 {! V* P( A
end;
( n" j6 \& D0 a" N0 p如果分支比较多，用：1 P( r! W: n: N4 q5 M0 B# ?
inspect <expression>
; z4 S9 V5 o# r) n3 l0 U$ Y when <constant_list> then
. \5 x( a7 S0 n; o# h* o <statement sequence1>;
^9 p/ U; T- F$ n2 I: W when <constant_list> then @+ r! z2 v% |- t$ h5 P" s
<statement sequence2>;
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else Z6 F. ]& X/ ^
<statement sequence3>;9 N) B W, ^* v; ^$ o. { U2 E
end;
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2循环语句
* A3 ~: i# w4 B9 G (1) from <statement sequence1>6 N4 x( K9 O4 l. O: d/ B4 T* ~/ [# W( \
until <condition> loop
Q, E# ?$ f& L. A+ a$ J( U <statement sequence2>;
8 Y- x* \0 ^9 ~% v1 S end;
/ M0 s: N2 n: H4 F (2) while <condition> loop7 J% `$ Q9 Z j+ W# ]+ }7 B8 E5 L
<statement sequence1>;
: P6 @( m) f# I' X4 M% P) c! c end;3 o& G) k7 |) @8 C% N t
(3) repeat
5 o- n1 i4 @0 x* I! R7 D; G5 z, p( [ <statement sequence1>;% o' R0 N" U; P
until <condition>;8 B/ V( Y! a: F) {. s8 w$ v. }
(4) for <condition> to <condition> loop* L5 a& p. j+ N$ p" l
<statement sequence1>;
/ B1 o6 i9 H1 O! w. M/ T l next;
* c! b7 s: K/ W6 u0 t, D) Z3中断语句
2 @5 d* d$ Q0 b; E) r0 n' T) G waituntil <condition> prio <integer expression>;
( X" T& h: ?3 `* ^# m2 H! T- G! }
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以上为常用的函数！* u- d, M: \3 E! v+ U/ ^
还有很多，如有需要我把资料发到你邮箱里
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