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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; F l: n6 Q: E/ O, X% h# A# i
if <condition> then( Y0 ?, r0 G, R
<statement sequence1>;) s( d" m/ L7 a6 u! V
elseif <condition> then
. W9 P" m/ O1 L7 R8 t7 ~; `8 e <statement sequence2>;( X. u" D% z$ a; y
else 0 h1 i- _8 I( r9 Y; W1 d" |' V
<statement sequence3>;; U4 ?. y e! i, j) ?& u
end;
% z: ^/ X6 I$ e- ?5 u" `9 q+ C如果分支比较多，用：
. {. @, D3 R& I( V$ v- W7 {% ?+ @; f inspect <expression>
+ C ?: S4 i. u( B4 W1 G when <constant_list> then4 S) \6 q+ K, {1 \+ ]
<statement sequence1>;
) W& i0 x+ }+ |4 Z# e4 J: }4 @ when <constant_list> then1 d- h2 v) Y+ q
<statement sequence2>;! ?8 H, e+ k" n( S9 }" k2 ]7 I
...7 ?/ F/ [! W: s# r0 p5 o
else* o$ m8 r8 t1 M' P
<statement sequence3>;" e$ V; f2 }+ Q4 m3 {% m5 X* a2 l
end;
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2循环语句
3 T+ a* n9 W, \4 j( O' t+ F (1) from <statement sequence1>$ R9 q5 K% ]$ f3 e1 R
until <condition> loop7 J# W: @! @8 M( |4 W N: w& b
<statement sequence2>;
. _: }, y& s) U, |% {0 G7 N7 A end;
c3 @+ x& r, K% S( v# g (2) while <condition> loop
( z) v9 G ~$ J5 s+ H; k+ k <statement sequence1>;
! G, H4 @; n4 I end;
/ d7 f+ x" S& q9 k* L3 e; a8 | (3) repeat 6 V% i2 b" H, j- \: b: V: g0 t+ x
<statement sequence1>;; r3 ]8 W+ Z" ^8 h
until <condition>;
8 y4 Q( t+ S6 v- ?$ \) o1 V$ z5 Y (4) for <condition> to <condition> loop
- U4 G+ p) \$ ~& [( V <statement sequence1>;8 f. t; J. x' t! c- `. ~
next;9 Q% ], \/ o& F- ]% i1 n- X% I
3中断语句' y- ^" D4 d3 ^+ A, }
waituntil <condition> prio <integer expression>;
2 `& C1 v5 f' Q* ]7 [0 y! U; b, l% I/ o% E- `
5 w9 x6 V i/ V( x以上为常用的函数！
2 q3 ?1 k0 z. n* Q1 `8 @还有很多，如有需要我把资料发到你邮箱里 ( g* y9 j( Q4 t: ?
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