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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
5 W" Q0 J% K; \+ x$ b+ j if <condition> then
" [/ n9 n! B3 W# z7 | <statement sequence1>;
3 b, T2 e0 H9 y elseif <condition> then" H7 S1 [4 Q. J5 H, j/ S9 M0 `
<statement sequence2>;( e" c( a+ N( D0 b: W* e0 F
else
/ C# f$ n4 C* P& y5 D. m \+ n <statement sequence3>;
. a! o7 d- X1 T end;
$ Z3 E( ~% [ P$ j如果分支比较多，用：- w$ b0 ]& V* ^; j
inspect <expression>, [- r; x' N' b3 y* v' P1 q7 z
when <constant_list> then, R4 A6 ~6 b4 N: S2 T% \* t
<statement sequence1>;% r5 [9 c" x0 T* H
when <constant_list> then
8 T) r% c% L, f2 { <statement sequence2>;) L3 `: h- r% W8 }+ Z8 J
...& B0 y: ?. ^* U4 K* U8 v2 e' D# @
else
$ ^- x) A5 h3 U B7 k <statement sequence3>;4 p0 n5 [4 B* b1 ^( I
end;
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6 V7 Z' F7 _* S t0 R" P: _* d) Z2循环语句$ H5 Q% Y' f- Y3 H5 V
(1) from <statement sequence1>
0 X$ ~' ~. t8 ~5 A u+ S- b until <condition> loop
0 l2 ?$ W, C- {0 b- I/ K" b4 d <statement sequence2>;! b7 R) U# f( ~# U" _8 Y( n8 r
end;
8 G3 F# Z' n9 L! O- \8 c! ^9 W$ c( e (2) while <condition> loop
; K- M2 v+ ?( ?0 U <statement sequence1>;. S) X( K6 M- I$ E/ j% A% {
end;! {6 W" l- Q: W b; o3 O
(3) repeat
& |8 m% o: H6 z0 f <statement sequence1>;# e$ t' f$ X( g5 U! \
until <condition>;
' ]9 Q. Q! C5 b2 D6 t5 h# Y* H! E' @ (4) for <condition> to <condition> loop$ N4 H* P* t9 |7 Z' y
<statement sequence1>;& ~- z5 j/ u+ t; r5 m, f. j$ l
next;. \4 P; K% [- c. d1 x; k
3中断语句
* v# q# ^' }. N8 ?/ [0 ?* E waituntil <condition> prio <integer expression>;
1 B A6 t L- o$ y* m7 n
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以上为常用的函数！
3 k( i3 u* K) }) e+ s还有很多，如有需要我把资料发到你邮箱里
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