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发表于 2012-11-13 08:48:12
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1判断语句( M- x* x% y( Y9 }* S) }) N' H
if <condition> then7 ?5 r$ ~2 U V+ }/ q7 \
<statement sequence1>;# N7 b! `6 J. w& J2 L
elseif <condition> then( f" i3 X5 z4 }7 S0 O
<statement sequence2>;
" T/ f2 K# m% W7 X3 c3 @ else
1 ^% I8 e/ v. B; |) ? <statement sequence3>;3 n4 W/ h! ^2 Z
end;
/ p) k' d1 T) `# t! u2 G* L8 a8 @如果分支比较多，用：4 R% _/ f% \+ r9 \2 r
inspect <expression>( v% }. v+ n! Q; d, y1 S
when <constant_list> then. A& e/ c4 U. m9 h
<statement sequence1>;
+ C- m" R# Z1 U2 \+ O7 |3 p when <constant_list> then
9 y. D0 d9 [% L/ g2 u4 v <statement sequence2>;
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else* I! y2 I3 _) P+ H% ?& R) X# ^
<statement sequence3>;
4 {6 u# t# |+ \# W1 l" R/ y' \end;
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2循环语句
0 d$ d: Q+ S5 Y, R0 o (1) from <statement sequence1>! C( }2 F. l% T# z* a
until <condition> loop# q2 w0 y7 w8 K% V. q
<statement sequence2>;
! A3 F% G& P7 V) k end;! c7 L, N g2 M
(2) while <condition> loop, w' w" G8 S6 C( v% I2 I) ]9 h
<statement sequence1>;: Z! A% ^- [. z" O7 a! B
end;
# n+ _/ A8 ^6 a+ H& X) d4 D (3) repeat
* Q/ c+ Q' [1 M, { <statement sequence1>;& [+ y8 d/ w9 j. K! t
until <condition>;
! {7 \& u; a5 N* E (4) for <condition> to <condition> loop; }0 m4 ~0 t, P" }9 I
<statement sequence1>;
+ Y7 A3 k: t/ C/ n$ f( ?4 N next;# H9 j, X3 e& B- w! u$ l
3中断语句
! K+ A) v$ ]6 X. w! M. h( L; h! p& ?. Q( C waituntil <condition> prio <integer expression>;% g+ z4 }) m: V
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% ]3 M3 N$ D0 T; p1 a1 \( k/ t& x! l/ f3 I以上为常用的函数！& W/ t+ D* E' _
还有很多，如有需要我把资料发到你邮箱里
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