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发表于 2012-11-13 08:48:12
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1判断语句
( b$ Z9 ^/ F! Y A' Z% G% n1 F* m if <condition> then
$ V Z O$ P7 @$ V# y% A <statement sequence1>;4 @. \! e/ A& O
elseif <condition> then
; P; M% l2 j+ J, P! I <statement sequence2>;
* g4 Q/ i. y5 h" x$ {1 p else
; y' D( U8 t. | ?& q <statement sequence3>;
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如果分支比较多，用：
( M' O4 Y0 L9 D! {' B" Y# D inspect <expression>) l* X ~' c0 ^$ k9 V/ H
when <constant_list> then
& v4 W. I$ }+ z0 h5 a& {1 e) d% h: h <statement sequence1>;4 P0 g& v- h E
when <constant_list> then0 `+ p5 w! q6 }: M, q0 i) u& A
<statement sequence2>;
/ f0 s; J1 d0 X$ A& i+ e S ...
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<statement sequence3>;
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' y! k! g8 W8 k& b( {" b2循环语句
+ q) |/ b" o |4 e (1) from <statement sequence1>+ p* D) P! u) K$ f2 C0 t$ P+ h, R
until <condition> loop D% |! M4 `* K6 }
<statement sequence2>;/ v9 W. I( k, r9 j$ F) N4 M
end;* ~2 D/ m7 P1 F0 n+ W3 n& l' [4 l+ c( _
(2) while <condition> loop
* C3 ?; j$ ?; q0 Y& l <statement sequence1>;
b6 H, k* O9 t0 {* l' v i end;+ ]' Y% Z/ a. r( V Z* z& f8 k' p
(3) repeat ' T& H; L# U: W8 I2 `
<statement sequence1>;- s# [2 v; F. ^: W! N
until <condition>;
" U3 {0 M* }+ c; x (4) for <condition> to <condition> loop7 I$ u5 P* x8 N* t4 w: Z
<statement sequence1>;$ T: ~$ ?7 p. C" H& z3 r4 i- b
next;* y! @8 W( b3 ?5 X3 V
3中断语句
- ~* X4 {' c# L- q waituntil <condition> prio <integer expression>;' B O) B8 L$ q0 c0 }( V6 O6 w
$ |8 o4 F/ i) T# ]1 I7 u
4 n _& c% M3 B7 e以上为常用的函数！; g/ e1 Y- E, o( w- Q2 u. c: ~/ B
还有很多，如有需要我把资料发到你邮箱里
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