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发表于 2012-11-13 08:48:12
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1判断语句
7 w# x6 B/ T f& s4 q0 D- r- z if <condition> then- v1 c& ~( X7 V8 M: T
<statement sequence1>;/ e, C9 {& H8 W
elseif <condition> then: {! `: g( n; s# ~2 o6 x
<statement sequence2>;
3 F5 n8 o4 d; |/ h) b4 z3 S else 4 R- O0 g0 ~" S( O: n4 i6 \
<statement sequence3>;1 g; d# {- X# ^' a& |* E/ w4 v
end;. z' Q/ v1 ?* V. s' R
如果分支比较多，用：. r6 w; V' ~& b: `% ]2 `! J
inspect <expression>3 j. a8 Z0 _" q( b+ w K$ o( m
when <constant_list> then3 \" B% h; z% R5 }, e. `
<statement sequence1>;6 y2 p8 L: Q- \
when <constant_list> then
# _9 y, ~+ c8 q1 @) A0 [ <statement sequence2>;
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else
6 Q c1 t# X3 B' X6 a; t <statement sequence3>;0 ^3 e: x0 x- _3 {- E( V+ B) z3 p
end;8 ^" r8 p# J1 w5 h/ A7 d+ E, H. X
+ q& D6 A4 H, R0 g" ]2循环语句( K+ G0 N3 V" |& ?
(1) from <statement sequence1>
1 t9 c! x4 r* [; V2 n. G, H until <condition> loop! M. s. s& B7 i5 x3 Z: h
<statement sequence2>;
s, s/ }7 w1 t. n! N end;* l" @5 ~- C6 G, g* Z: b
(2) while <condition> loop" a- V; @9 ^8 L. }1 S( z e0 }
<statement sequence1>;& T" ?" Q9 ?; ^ t- q+ \& u/ T
end;) j: k8 e$ [, w* l7 K0 k
(3) repeat
! ]( B9 s) ]( ?! U8 F$ B) F <statement sequence1>;
) D% V U% o3 w( P until <condition>;
* ]0 A# X& |. {0 `% u2 l (4) for <condition> to <condition> loop
; m) F# t- P# W# X, f: Z <statement sequence1>;9 K J3 u& y% T+ U3 y1 F g7 B
next;# i# t* G i, ?" V! A! n' V- Z
3中断语句
6 d" s. L3 G. O) X' I waituntil <condition> prio <integer expression>;
2 t8 j: U0 P. l3 B! @! a: P0 v/ y$ k
r: }9 b5 O8 _6 K# N以上为常用的函数！* P3 n3 r7 r: N
还有很多，如有需要我把资料发到你邮箱里
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. p0 J# m3 `% J& g# t% i
Q: T! n. v8 O! N: V/ D$ ?5 a
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