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发表于 2012-11-13 08:48:12
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1判断语句
6 {, S* w1 m/ s6 T if <condition> then7 P) U0 Y+ Y/ T
<statement sequence1>;
) t) z: Y* ]# ]$ @3 X: F1 K6 G elseif <condition> then! F: i8 o! P1 i9 ]# ~. G
<statement sequence2>;1 [" @8 P: a1 H; ~7 N9 T6 q
else # d, X. [5 J7 a& E) `
<statement sequence3>; A: c& G3 F: F8 p0 t. S9 u# o
end;
3 W) g6 n$ n; _' A2 f& y如果分支比较多，用：
% T8 |6 s9 O0 z9 P inspect <expression>
! M/ `# t7 o5 y) f: \/ m when <constant_list> then0 ^; {2 ^: P. g" l2 `
<statement sequence1>;: R: t; E, z5 L; @# A
when <constant_list> then
0 p! p& k* s1 [9 U, L- y$ [ <statement sequence2>;
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else
# q/ T! ~! p: S; J1 ^ <statement sequence3>;
; W7 W. J9 E2 e% W3 Gend;
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2循环语句6 ?2 N& g9 R+ c' i9 C! F9 P
(1) from <statement sequence1>
2 M7 f* r0 \3 Q until <condition> loop+ ^& s! W/ o8 O- v( ?; N
<statement sequence2>;
2 {" w# o1 h; A' j% h* |4 v1 J: g end;4 M% U$ [: O4 o8 B
(2) while <condition> loop
4 @. _+ q" t0 }/ r% U0 o <statement sequence1>;1 o$ M* a- W& H/ Y# Q
end;
2 e; y& s. r7 w. r3 s! f0 `: P9 {$ F (3) repeat
3 v/ S; u4 p0 q8 Z, _; m I, u <statement sequence1>;$ i6 }* o- s6 N8 I1 U0 N
until <condition>;
3 x8 G0 ?( I$ @ (4) for <condition> to <condition> loop
( M2 R+ z( m8 `7 V7 r( E <statement sequence1>;
4 }1 ]! s4 C, b! k next;& Z I4 l& v7 _' e
3中断语句
- C8 @ z O" b) u9 l waituntil <condition> prio <integer expression>;
( [2 V9 ^3 \: M& d$ U, Z
" v* x7 J, O. M
" V$ `5 [: a" v5 X以上为常用的函数！
4 _* r0 k9 T: i; L) t: K# ^" B还有很多，如有需要我把资料发到你邮箱里 % t5 @- r" i# g8 d. b
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