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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句( }' C& `; L+ G! R7 `( U5 w7 d! m+ L
if <condition> then
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elseif <condition> then! c) w% a, n, ]/ e8 j
<statement sequence2>;
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<statement sequence3>;( {* ?, Z: C, ?$ q3 ]
end;! \8 Y/ g: x0 G0 o# N A
如果分支比较多，用：; e: ^4 G' U; ]$ \
inspect <expression># j) |9 h9 ?0 u+ ?6 w: u+ y
when <constant_list> then U. s C' S9 b+ e6 T% s
<statement sequence1>;
' z& f, N% ~6 D8 ~7 R8 s* v. f when <constant_list> then+ L9 z! }9 w( i& `5 c+ x
<statement sequence2>;6 l1 w/ x0 @$ K# _
...
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end;* P) Y. \; c1 h ?* v; M; ~
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2循环语句* p! G4 w1 W# ?: q8 Q
(1) from <statement sequence1>
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<statement sequence2>;# F0 G( j( J/ G: D
end;& R! N- f# w z# a9 D
(2) while <condition> loop" n8 s( S" _$ J# P. C: f- w
<statement sequence1>;9 f/ c2 t8 c c y5 l
end;
z5 ~0 y2 k3 U5 R, U1 w5 A1 h0 j (3) repeat 4 W n/ e0 {0 f& O7 K# p M" v
<statement sequence1>;
% i; A* ]' U0 K7 ?1 m/ G' I until <condition>;9 v! R( x2 x \- s- Z7 c8 |8 ~
(4) for <condition> to <condition> loop
5 p( o9 F; B4 j& A <statement sequence1>;% g5 x. S+ N( C3 Q: s
next;6 H9 _* [) _2 E
3中断语句
4 s8 `! G: k/ V waituntil <condition> prio <integer expression>;
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以上为常用的函数！1 K6 M) g6 G5 C' d
还有很多，如有需要我把资料发到你邮箱里
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