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发表于 2012-11-13 08:48:12
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1判断语句
+ W4 x3 b5 N# |/ z2 c0 a1 G if <condition> then7 @% I0 B# w( ?4 |2 [
<statement sequence1>;6 |" c& h) {1 n- u/ z0 U& {
elseif <condition> then
5 e8 M/ v% a" A3 ~0 V3 a <statement sequence2>;$ A9 d! I. w. e, Q3 [: [
else ! K4 K; b, p2 ]5 z0 M! S* L
<statement sequence3>;
3 g4 S& d G9 O. H( I' t, k end;3 S6 L5 s% c* E# ~9 Z Y8 P
如果分支比较多，用：2 A) N' O. z# Y1 J" G) A
inspect <expression>( [3 w6 H5 h' e- T( D7 o% r& H
when <constant_list> then
& e6 F! l1 m. Y2 ~6 [' w. ^ <statement sequence1>;+ g/ @+ u1 o+ u- q* N7 s! i/ r. Y9 y
when <constant_list> then
/ \9 f$ j% j. @5 N' c5 `; s <statement sequence2>;
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else8 U& N+ ]# B' @; g0 _# Q: u c
<statement sequence3>;
# v# j1 G* P7 @( {$ ]8 m5 Send;
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2循环语句
9 [( \/ w0 }. A5 a (1) from <statement sequence1>- }, n" n4 e9 o [* q( r
until <condition> loop. X: {- Z2 @% k) z# P
<statement sequence2>;
- v5 @! K7 s9 d- ^ end;5 G& i9 T. i# V: Y4 u
(2) while <condition> loop/ ]) k+ w% b. S8 @2 o1 N
<statement sequence1>;
' B2 S' O3 z) T' w8 B7 }9 {$ B) p end;
+ w' ]# z% J( q! L* i/ a (3) repeat ; w, P: b( W7 C( w
<statement sequence1>;
, U2 J% R' r) Y$ w+ _/ Q8 Y until <condition>;' {' N7 \, G& h0 {- r! M6 ^
(4) for <condition> to <condition> loop
' m- y |) C- Z0 r0 A2 Z+ K E <statement sequence1>;
" p& T6 W0 Q4 o/ x4 K7 }- U' x# f next; h8 z9 U& o8 x+ W/ j: f
3中断语句! Q, D7 o! C" h( B
waituntil <condition> prio <integer expression>;+ _5 s1 P7 C: e# L$ A8 ~. n# C
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0 |* v& I1 t% u$ s! w8 u+ ~, f以上为常用的函数！
# g+ E5 P" u0 {5 Z, p6 U还有很多，如有需要我把资料发到你邮箱里 " P: ^' I1 v: a
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