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发表于 2012-11-13 08:48:12
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1判断语句
4 h, V) P. O) s4 b if <condition> then
# ]1 d9 Q; S, d" M <statement sequence1>;4 _( v( M1 @0 Z4 X' s/ z2 o, G4 T
elseif <condition> then
( j8 L: `: S" z' H5 A <statement sequence2>;
, m# N% w; I( K/ ?4 c# p( }, A else
1 A; Q, W4 ?# ]7 K <statement sequence3>;0 E; H2 \ g0 C: p
end;
; @( Z: ~8 E. `$ j+ Q) d如果分支比较多，用：
0 W4 Y& ~7 u! V5 X, q inspect <expression>
7 o0 @( Y, P5 L, a3 ^2 k5 z9 x when <constant_list> then! ^, y! U- ]# c, C3 z
<statement sequence1>;
! k( T! ]2 y! S when <constant_list> then
# ~* {8 E6 J3 P <statement sequence2>;5 l3 M, @+ {9 E6 j% x$ P1 }4 D
...
; Q, q/ @" Z, e% i2 d9 n7 B" w else
7 z _2 b( \+ H; h) ~6 f6 ^) y <statement sequence3>;5 s- R8 Y- k' p) @+ a
end;
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+ ?1 d( c, s% \7 \, o2循环语句
' F/ `+ t9 z6 d (1) from <statement sequence1> i/ k" y7 E+ E( g3 R7 S
until <condition> loop- ?0 c- H/ g8 j4 G
<statement sequence2>;% S5 c+ [5 n) x+ Y0 q6 q. T1 Z
end;8 c$ p# [" U4 F+ X1 ` s& x
(2) while <condition> loop+ ], f6 ^! u1 c% T: e5 w. e
<statement sequence1>;5 c; @$ C) w. `) O) c4 x
end;
- @4 R. k( w. o% k& Y2 @ (3) repeat
' z& U4 n9 v: r. i: ~: s- A <statement sequence1>;9 i& [+ O l( }- `* H6 U2 n
until <condition>;, o. e# `1 D, e9 N
(4) for <condition> to <condition> loop8 }; R2 Z- d$ R0 G9 A
<statement sequence1>;
7 _3 H2 R- Q7 J w9 u1 f4 E next;8 p; s+ y8 `- g) \8 j
3中断语句! n& V0 r5 q& ^0 K2 J6 T8 E
waituntil <condition> prio <integer expression>;
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0 d- }! U4 V# x; [. X, ?3 E9 A/ c
以上为常用的函数！/ S; z s8 x2 ~6 ]
还有很多，如有需要我把资料发到你邮箱里
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