|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
4 n" z) y2 c" b. P$ V, l' D6 [ if <condition> then6 Y* F5 [* W7 V6 J& [; T
<statement sequence1>;
7 ?& M* d% i2 a elseif <condition> then" b S3 n1 X' O' |3 U# B% d
<statement sequence2>;
9 a5 r, Q* U: N6 m" N( \2 } else % G3 c2 m: c/ M" u
<statement sequence3>;
0 i" [7 ?, E8 i- A# F, G, s2 Q end;
/ @& k a1 d! V如果分支比较多，用：) r5 f+ A* z8 S) a' \
inspect <expression>
$ U5 z2 _8 q {8 y5 j when <constant_list> then
: G9 V" [- ~3 F <statement sequence1>;; K6 }4 c* p0 ~; }0 @9 {3 q3 g: d
when <constant_list> then
4 w* w1 W J4 ?) e% Y$ [ <statement sequence2>;
, a* Q2 S8 b6 X p$ k ...
0 U' }( z" q' q6 f else
* F3 P* J4 i6 ]8 l <statement sequence3>;2 k# ^/ H4 H0 i5 S; @. h$ K% h/ O
end;
4 ^# m$ u; T8 u. C% R1 w6 E4 b, U/ F1 D, d+ k$ c0 X! I7 z
2循环语句4 U" v8 Q- P1 d
(1) from <statement sequence1>+ V( o5 L2 q% P" w+ \; ]/ U
until <condition> loop- N' d4 t2 ~, `6 }+ Z% D
<statement sequence2>;
; d2 E) X8 `/ P. x7 G end;7 M! j/ x+ |: {0 h
(2) while <condition> loop
# t6 A% N0 u9 @0 N5 o: b+ m <statement sequence1>;0 K6 l& e2 H: D3 M8 L* f
end;) }1 {6 e& ]" P. t2 ~1 m6 U
(3) repeat
* A) v3 R; E4 e! U3 ~ <statement sequence1>;
$ N4 s: b9 p. Y4 q until <condition>;5 e2 \- p, r+ d. }, l
(4) for <condition> to <condition> loop) I) j/ Q- O3 g4 K8 ~9 T$ h
<statement sequence1>;
) h/ z s t9 p% A! i6 D3 Y7 I9 y next;2 i( d0 Q3 V$ o$ ]- B, w
3中断语句, ~2 b# B+ G* k
waituntil <condition> prio <integer expression>;
7 V' v% `. i% [( `
2 a1 c @6 R1 }" @8 T n) s" Z" n) F% T; ~
以上为常用的函数！5 S. {+ O! r' g) F) h8 f/ U' {
还有很多，如有需要我把资料发到你邮箱里 ) d7 G- E5 e: }+ R- b
8 ?$ N* J2 u# u
. C! h, W, ~. ^/ v4 A) w& N3 c
7 a* g* R+ e) w9 l
' J! O& C: E9 f8 m4 J: _1 v r3 ?8 @/ r
7 E% F& E2 U- U( s. U" |
7 N: L6 ]% ?1 u# L( A( F5 \
) j) H5 u3 o5 }$ Z( ]1 w& B; W, H3 ]
. b! X+ [/ K1 h$ R a # h8 J. d$ z! B% `$ G( L) |
|
|
[复制链接]
