|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 E" E+ ?7 t' G) Q( v: D2 y if <condition> then
$ Q! V0 z' }: C: M8 m$ t+ `' l <statement sequence1>;
1 R' V# m) D# ~) T2 o1 G0 e elseif <condition> then
! e7 g- e5 H& @8 i/ ]) w <statement sequence2>;6 X, c* d8 _& P K" T( y- H4 }
else
4 S; E1 ]- F1 f& S3 y; L s <statement sequence3>;( t2 ^* J5 N% q) n. N8 ~- z
end;
' r5 ~" u! q7 O7 \如果分支比较多，用：- m- w4 [: r& B" i+ \1 n
inspect <expression>$ x; V9 N+ t3 p1 |, Z: F
when <constant_list> then
% P9 E2 r8 Z5 L) ]) Y <statement sequence1>;: r# f2 l0 T5 a- \
when <constant_list> then
5 m& C. f# x8 m$ z3 @ <statement sequence2>;" ]$ W7 x/ O: Q% o5 F
...* n) k8 `+ ~$ s9 d2 P
else
5 M' w' s! e! V, F* {2 M2 J <statement sequence3>;& F. ~9 {+ F0 T. Z" \$ C- f6 m
end;
; u# N- D& C# J3 i) D) V' O; a) J& [
2循环语句# X% e8 j! ^+ W* y) [) R! F
(1) from <statement sequence1>
0 M9 d X- a4 a- ?; o. { until <condition> loop6 }$ @$ D7 j& u; k) ~3 S4 Y2 i
<statement sequence2>;
# \9 N( B V/ P5 \ end;' u0 V* I8 J3 p2 K3 P5 j8 A
(2) while <condition> loop2 T7 U9 J' w0 a
<statement sequence1>;
/ J2 j9 A1 d1 S. N* t8 t. j. ]( ~ end;
- N! r0 |' U9 p, g6 U, T6 W (3) repeat ; T& q" L B: j
<statement sequence1>;
# o9 ^7 O. m1 r& ]" t: Z1 L until <condition>;2 h l) P7 h! V1 [- V/ E
(4) for <condition> to <condition> loop/ n- J+ D- {) [ e9 x
<statement sequence1>;- K) X6 y2 z7 S: U5 N6 t
next;
! _) N3 k" K+ E" `0 B! u# e+ I7 a8 x3中断语句3 g: q6 J2 m4 a: W" w2 G# ^: L
waituntil <condition> prio <integer expression>;
2 c8 F) B* h* D6 @5 C2 u! V! ~- d; z' f. q! j
( d# R" w; a% l: Q* L g6 l
以上为常用的函数！
9 g: t2 q/ n" L, e$ ]8 W. f还有很多，如有需要我把资料发到你邮箱里
9 s. |4 J5 j! D9 i- ]4 n
! Z4 V4 ~& |& W) F( C" R+ W/ e7 V& o' R0 `$ D0 z
& F1 _9 W$ V$ A& G' D7 t
# O/ e B( q' G0 x O Y3 k4 N* i9 P* ~: {; g* U3 j
" ?+ V6 B9 P, g. \3 s5 g5 P% A
" ? J, U* L( Z; P; X. _; E. N7 M3 K8 z6 @$ w
: j# B# d3 J, W % G, B& X& c5 v
|
|
[复制链接]
