|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句8 t' i- D% L! L
if <condition> then5 K. s# F" ]8 V, C+ B' ]
<statement sequence1>;
# J3 ]4 P2 |7 v. L8 A5 T elseif <condition> then
% m1 t; C) y% H* s0 A <statement sequence2>;1 X; H- b. }. @
else
/ r9 n' H& R' M% n+ a <statement sequence3>;
0 k$ G1 F( q% I7 y1 X end;
, w, w X- r- b1 G/ n0 p% _+ }如果分支比较多，用：. H1 t/ a, K" s. [5 G
inspect <expression>
* M7 J7 o3 `+ C7 F$ W when <constant_list> then
. C6 L2 h; K" p9 z$ v& S. j <statement sequence1>;
4 X# \. q' Q' Z" h- t when <constant_list> then! h2 q" Z5 m# D/ o
<statement sequence2>;
! M2 O$ M0 C5 _: G ...2 L9 i' Y- |8 T6 A. f) z) @+ I
else
8 \, j, g* v, b S7 t <statement sequence3>;, f- a# U$ t1 B9 ?- t0 L
end;
; N( \2 C/ l' B& k4 @, z7 S
' o. s" f$ Q$ u- V$ }2循环语句, }% j# g' C) g
(1) from <statement sequence1>
- G& z+ s& {3 B( _' K( S0 L! z until <condition> loop
5 p6 j) E% f& V) u <statement sequence2>;* P- j# ?: R6 x1 y" v1 P" h- o
end;
" s q* w S4 P- {8 [6 w @4 i/ a (2) while <condition> loop
9 w" a4 c7 k- ?( M6 g6 T <statement sequence1>;
& f- n6 k- |0 m q; l end;$ f! w# t5 I9 d4 h0 b0 |
(3) repeat
/ a0 w9 W0 K& @% ]" F) } <statement sequence1>;
8 u: E! t) `. P% a [$ @ until <condition>;
+ n2 n0 Q: p' l% ^ x' y (4) for <condition> to <condition> loop/ p6 u$ p/ n$ Y0 k6 U
<statement sequence1>;. j5 x. s1 j5 Y( K, R4 B2 o% |
next;
/ k3 V4 L8 q0 k! a: [8 n3中断语句. s! b$ z$ P3 N3 S
waituntil <condition> prio <integer expression>;
# j9 i; x2 u- u. G5 O9 Q$ `& ^4 d- i4 S; n% [* z2 ^
, {7 w) f& N6 e" X4 L* A
以上为常用的函数！
3 i- p9 U5 R5 ]5 D0 k+ X还有很多，如有需要我把资料发到你邮箱里 3 \0 v6 r$ K( U& y! H( U0 m
3 p: j# ^$ b% X Q# s) p
: r+ C7 @" ~+ I$ h" n1 Q3 |. p. L2 j. X! x. G3 p K# B
$ E! ^' ^; p( Y. r8 g) f
- ?9 ?* C2 D: M7 V4 }7 X/ t% ^
, }& U' _7 G0 ~ b, v p' B- h* v1 L1 |# |/ Q/ \* ~& h& L
5 K9 A. \, u& G0 u
! O; V7 `' q- k* {" W" r3 ?4 L # v! P: l0 N+ m% N; V }% d
|
|
[复制链接]
