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发表于 2012-11-13 08:48:12
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1判断语句8 j8 U; ^, o# D
if <condition> then5 y6 b; v9 ~, b$ D8 Z; {
<statement sequence1>;( b" s& K* y1 {* q9 U2 n, x
elseif <condition> then$ V0 w5 T- [% l
<statement sequence2>;
/ z; f |, k! r! A5 s6 G, ] else
3 D' @ p& y1 V <statement sequence3>;" T! D% w" q3 @% s7 x) V
end;
$ _% v/ \- G& ?" u7 z# M* Y" O如果分支比较多，用：
. t+ O" K3 d# Y, D+ g inspect <expression>: i! I; i7 f* J4 D
when <constant_list> then
z% e* V/ N8 a% D5 i3 r9 | <statement sequence1>;1 D: G8 g, a% n" a9 ~
when <constant_list> then
* m+ Q1 L, F- H" @- \- Z <statement sequence2>;
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else
1 r/ b, v# c- Q$ q7 I8 { <statement sequence3>;
, D0 E' f0 n' ~) U3 E. L: S! e" iend;- O5 T# ]) o, \6 B% g
! i. U+ n0 A4 J2循环语句
8 o; t# `# @8 P" R# b7 a( F (1) from <statement sequence1>
) |0 @) L, g. V1 n9 I until <condition> loop4 X0 m: h& l. H% ?/ e, {4 n
<statement sequence2>;! y* N6 e. r% M
end;
' L/ ~! a0 P+ |# S (2) while <condition> loop, R, S1 v- E. o$ f7 V2 ]# d( z+ A4 Y0 v
<statement sequence1>;
4 e B8 R2 L6 r8 R end;
, ?; b0 w1 I: I V8 @! {% ~' B (3) repeat 1 \8 T0 @7 @: I6 \6 q u
<statement sequence1>;
3 i2 v' [$ N- S6 ]7 g until <condition>;9 ^# M6 Z, y% u; Q. J" r
(4) for <condition> to <condition> loop
8 W2 {9 P2 W. f$ Q <statement sequence1>;' b" r% ]' k) P/ l
next;) S7 M" F& J V: U
3中断语句
+ l! {. m! P2 f% w3 E& g waituntil <condition> prio <integer expression>;
4 v, `1 f% D! }% c, j. ]3 v4 \ c X _
+ r$ K1 e/ O. y( @/ m# z
以上为常用的函数！
# B) I6 j: v) K* N% W' p5 c还有很多，如有需要我把资料发到你邮箱里
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