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发表于 2012-11-13 08:48:12
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1判断语句8 u; y L( d/ G3 l& U; }3 ~
if <condition> then
# y6 [4 {, _# b4 K# E <statement sequence1>;5 B, d0 h: F' B/ f( g+ z% W* r
elseif <condition> then
X, A8 l% u+ `- T/ z. _6 C <statement sequence2>;
' K6 N0 L3 Y" n2 v else
9 n# N' ?" k- v! @ <statement sequence3>;
+ u% ?+ z2 r' v6 n. p# u7 l% Q9 | end;
3 }. d$ x2 H2 O. H如果分支比较多，用：
7 W! E7 _8 M8 \( X; Z% X inspect <expression>
2 B2 p7 r# V' ?, B4 H4 |& r when <constant_list> then6 ^! Z+ K/ I& u! M( T3 d( O
<statement sequence1>;( `0 F H, b2 o( B4 A
when <constant_list> then# D" \& m+ l4 m5 v3 C3 G2 \" t; R% I
<statement sequence2>;: a4 b: g/ {' K2 |) D
...: ^* C' F( z) p: d) }+ @
else2 {+ w7 H6 r( f; E0 Z3 S" x/ U
<statement sequence3>;
% \4 k9 p) n8 g/ i6 iend;
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- r9 R4 {- d7 z/ A2循环语句
+ a- `# ?6 { t (1) from <statement sequence1>
) h7 r2 e0 n9 T1 H) b, k until <condition> loop* l% ]+ M2 S: F, ]8 W2 @2 F2 Y P
<statement sequence2>;
, {8 l( d9 r" a1 |2 Q8 m- } end; X% ?; ]* A$ f: k0 \: `0 N
(2) while <condition> loop
' ^" X9 i; v9 j0 Q <statement sequence1>;: T( e+ p4 K+ f0 W# G+ l
end;* I5 Z0 l$ u$ i+ _& N
(3) repeat
- W- O/ G7 u1 @& M0 S' @ <statement sequence1>;
* p, |! Z& s5 A' m% B* i until <condition>;
- c7 S: e* a9 ` (4) for <condition> to <condition> loop7 q( i2 h- g2 y
<statement sequence1>;( v5 ]2 V/ w$ Z) H* o& \6 j9 a
next;( x$ @4 M& I+ n4 d9 y8 W
3中断语句
/ J" U5 x( h% Q# X waituntil <condition> prio <integer expression>;) }& ]. x- a, R, ^* _5 M" N- F$ K
! [& s8 M5 a/ v
' z) j: z+ _0 {8 ~
以上为常用的函数！, d: K1 n: f% o3 ^$ o+ u$ y
还有很多，如有需要我把资料发到你邮箱里
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