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发表于 2012-11-13 08:48:12
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1判断语句$ v# i3 P$ W; M) ]$ i$ T
if <condition> then9 U% ? {8 o* h# H8 e# W
<statement sequence1>;
3 N5 h' [( ^2 N elseif <condition> then
7 g% B+ z6 {7 T9 E M8 l P' ~ <statement sequence2>;
- B- B9 ?$ M: v else
+ g ?% C! c7 t# m <statement sequence3>;
8 C9 O/ \3 `7 _" p: Y: | end;
, G. l) `1 e" p" V; @ l如果分支比较多，用：
) F ]4 v5 ^0 j g. j2 |$ { inspect <expression>
% h5 a8 }$ L" E8 C9 M4 l' C7 ]& x when <constant_list> then5 ~1 i+ M- L: K3 ^9 H+ C: t# ]
<statement sequence1>;. N* e; w1 D% F4 V- Y1 i, n
when <constant_list> then) ]' T* t3 I9 I$ f* A C
<statement sequence2>;# p1 ^ h h4 w+ w9 F) {
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else( y* F: ^9 r. N: }2 |# J
<statement sequence3>;
6 f% k S) w8 ]/ Oend;
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4 a( o! R* m5 H: L. ~& [2循环语句
) \: V* o0 Y: I: C( S( ^ (1) from <statement sequence1>
! p5 s4 y& A! Y- a @/ b until <condition> loop
' D. J/ r; |9 s7 ], T <statement sequence2>;5 F" B. f- [( \# T6 e$ S
end;% x8 |7 ?' M& c1 J
(2) while <condition> loop5 ]- m L5 C3 A% O2 P0 K& L/ N, ~4 J
<statement sequence1>;
Q! ?: O0 I8 x. J$ }1 r( b1 o end;) q4 K7 F0 k9 ~: B+ ?* W2 d. c+ V1 N
(3) repeat , z- ]9 f0 y# h3 y
<statement sequence1>;
& B [5 R' U5 q9 B0 d until <condition>;1 N9 y6 W( x2 j; {! K. v- t
(4) for <condition> to <condition> loop
, X- \) E( D( R! Z <statement sequence1>;
1 a9 X) P. ]' L% j {7 ` next;+ G1 V$ E2 M. N3 ]- T& N. R7 ], J
3中断语句# v% Y8 A$ U3 g8 Y, _& U; {
waituntil <condition> prio <integer expression>;% O# \7 G4 q3 } j% m# @7 D8 c# T
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9 R% l& s3 f* s- l0 n( k以上为常用的函数！
9 y J; W/ ?" m7 H) v还有很多，如有需要我把资料发到你邮箱里
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