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发表于 2012-11-13 08:48:12
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1判断语句
8 q( q6 b: P* V if <condition> then
! w, w+ U" j$ C5 y4 W4 i# _ <statement sequence1>;2 c8 e) n1 O4 _+ d y+ `; s
elseif <condition> then
: W/ X! A' K ? <statement sequence2>;
" s; D) s g+ }; Z else
$ u8 k% s) o; C" W9 K8 M! ~ <statement sequence3>;3 e$ N9 X8 ^6 K5 d! a. w
end;+ [% U! `' B" X- p# q7 R4 E, S5 N
如果分支比较多，用：) K- D% Z7 C% D# h" i
inspect <expression>: G M5 O. R, n2 |* D8 G
when <constant_list> then
/ I* M4 c( o# _* |+ L <statement sequence1>;
8 G) r( a+ K* O' q when <constant_list> then: w& S/ D! @: O F
<statement sequence2>;9 T4 A6 C, J7 i& b$ A1 p- j1 v
...# T8 v' W9 h7 H/ k3 b Q; g
else
1 k+ ]% V- Q/ `6 g7 R& @7 ^ <statement sequence3>;
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0 a' I: l+ q% y( y2循环语句5 ]6 X% i# b: a# g* F/ l; A
(1) from <statement sequence1>6 g) _$ l. B; b- w
until <condition> loop
3 A9 h6 _2 S5 s$ `2 e. F6 E <statement sequence2>;
) \0 [# X' m" j% H end;+ ? P8 j" Z9 C0 d& l
(2) while <condition> loop' q1 A, |+ A$ W
<statement sequence1>;+ v6 Z& u* H o( [4 u2 _; N- ^
end;- A0 w7 m$ G9 _4 ~
(3) repeat ! m3 }$ ~* V9 k/ n( [( [. }
<statement sequence1>;
; X5 q3 i9 z2 e2 Y until <condition>;7 k# @/ v1 z5 t. Q; ] F- b. h
(4) for <condition> to <condition> loop
8 B7 w. k- d* M <statement sequence1>;3 e/ F. p1 B" g
next;% _0 a8 `8 f$ u- P( ]% ~# Z/ p
3中断语句' h) B% q7 ]9 G- H8 b. ^
waituntil <condition> prio <integer expression>;& {0 T2 S* k1 s6 D
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以上为常用的函数！9 E ] {6 @: p1 F
还有很多，如有需要我把资料发到你邮箱里
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