|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句+ l4 V, k- A2 `
if <condition> then, L, V: I3 v& V2 `) f$ r3 \' ~8 M: G
<statement sequence1>;
% ^* o" R, _' t: o) v elseif <condition> then5 X1 z3 N0 L2 V
<statement sequence2>;
$ P9 p( S/ H: \0 D3 \ else
: D x3 N3 o; a. n <statement sequence3>;
( L% ?+ D- m- f2 g9 N end;9 L" k6 A6 j; d$ h( m
如果分支比较多，用：$ F- o& t" H- m! z% E5 q
inspect <expression>9 p; v$ {3 k( _! I9 I% B
when <constant_list> then6 \/ x/ ?+ j3 K% k& q4 L* l
<statement sequence1>;6 V4 w6 w, J9 n* Z! G$ Y4 U4 ?
when <constant_list> then
0 q& `1 `1 Y& ~( K* X( k# d- Y; m k, } <statement sequence2>;, H+ i2 D& P- M0 V- d; O# j! z
... V1 l; F, J7 v
else
2 p P; @& C4 Q5 y4 o4 \ } <statement sequence3>;
+ G; r& k6 e+ [$ _ c5 jend;# A+ v1 F2 Z9 e8 z" X, J9 o
+ M3 ?5 r1 f C5 ]+ n7 U# `
2循环语句
; B; J7 e% v- m+ _. L, r$ t8 E' P/ ] (1) from <statement sequence1>
5 O M- A. t7 ^ until <condition> loop) h$ v# v% h a0 t+ R8 t/ w! f+ B4 q
<statement sequence2>;4 u- ?6 w( J% c
end;
9 W% M% ~+ R" K' j' S) z7 |* g (2) while <condition> loop7 L$ q* i& G5 T
<statement sequence1>;
4 G8 l5 E8 a. W8 q' A; C# _ r end;
" D5 t+ W# h4 w" M& e (3) repeat
& U0 A( Y4 A( @ <statement sequence1>;) o, k9 j" m& s# ^. y9 |
until <condition>;6 [7 m/ u' ]* O. K: _; a; U
(4) for <condition> to <condition> loop
) ^2 i$ V, d: @: z; L6 Y <statement sequence1>;
8 P; G: U/ T- s8 t; T2 u next;- L7 T, d0 F, v
3中断语句2 R* ?5 X1 ^8 t1 o. B
waituntil <condition> prio <integer expression>;
5 n; G! w$ Z& g" U" w, l6 ]. o" |4 R0 x* a
- k# F% c$ J8 r# W8 w! p" E' M以上为常用的函数！6 i- i& Q `( j4 x# F
还有很多，如有需要我把资料发到你邮箱里 - F5 O, }( C- U$ f9 x) {+ o: m
- G+ L6 w9 x1 s- z/ i8 g* @
( D) L/ ^4 ]5 Z N& X' m* ~! ]
% E! h7 b) U8 X
7 E; N g& g0 E: U3 \. W! Z" @4 B, J& `( N- Q2 y! W/ p# Z
* D7 F( f" I5 l$ B. K$ I3 \2 M. _7 ?
7 ?* @% v5 A; a6 _6 A1 m/ d1 w G" Z& Y O
+ H# w. n1 U( O |
|
[复制链接]
