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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
2 x3 F: v3 E; f+ {: o if <condition> then
8 e. Y! Y# X" O5 O8 ?6 X <statement sequence1>;
5 r9 R2 c4 U' E# x2 s9 \! ^ elseif <condition> then" _7 q" V7 B0 g% R
<statement sequence2>;
1 g$ n$ K% D! D7 y3 n else
) [- r0 @5 J' p! B' R- m <statement sequence3>;
( X! R( y" j( h$ W/ ]( O# u end;
* W( h$ R. i3 @8 |7 m- T1 a3 c, R5 f; q如果分支比较多，用：& |; t' f- L! j4 S# d
inspect <expression>
$ Z8 G/ r0 P; ^" Z3 L. V) Y9 h7 R when <constant_list> then) e2 W3 u: @+ V9 `1 R& ?
<statement sequence1>;
2 }* x+ t. d) ` when <constant_list> then
+ g& h7 E) \- a, f6 p8 W% Q) @ <statement sequence2>;& {0 @4 Z4 ]% `* Y4 a
...4 @% s; b4 ]1 Q7 Y) N8 x
else* Q+ S+ ?$ r/ j2 v. ]% k0 W# B; N
<statement sequence3>;( T0 V0 U1 y. [# X& m5 J* H" c
end;8 E' A9 n$ u" S) h: ]
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2循环语句
4 y4 l( i8 ^" O& P (1) from <statement sequence1>
, l1 d, @+ K T# f until <condition> loop% m4 L4 d( m4 x9 T! P# n
<statement sequence2>;
5 v8 t' h8 }3 o. L7 S& Y end;
8 B7 x# k$ U7 M% d) b (2) while <condition> loop
5 Y0 o2 v L/ ^+ ? <statement sequence1>;
' y: n# Y& s: k: z/ T9 E9 t end;5 g5 f# V6 U5 X5 h: t3 R( x
(3) repeat
# H# ]% L, J$ D <statement sequence1>;- n: g4 c& r: E2 f# p. N) z% t# m
until <condition>;: q7 I& {/ i& _) N" I. [
(4) for <condition> to <condition> loop& m1 _' u; h6 N. \4 P
<statement sequence1>;6 ^" u. {5 f- t
next;+ W0 i& u+ z- C" W
3中断语句
8 d o' ?5 l6 e, H waituntil <condition> prio <integer expression>;
3 a, P8 ~( I1 |, L' j& v$ o0 b9 @1 b; W/ }5 @3 X; s
- V/ }' p# p; l! ]0 U* f, F以上为常用的函数！6 N9 T. L3 n) K. R1 H7 s3 i
还有很多，如有需要我把资料发到你邮箱里
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