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发表于 2012-11-13 08:48:12
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1判断语句6 e. {/ H6 }, G1 `, c0 U/ ]
if <condition> then6 p8 {( Z& T5 G: p+ _
<statement sequence1>;
6 i6 [9 n/ i5 A! s" E elseif <condition> then5 E( u% v6 b, V: A
<statement sequence2>;! K( _. U6 H. _% e1 \
else 6 [7 Y& }0 g- U2 N
<statement sequence3>;
F8 s2 r4 a- q$ _! H: } end;
7 M) h3 D/ b/ k5 N( s& C如果分支比较多，用：
6 j. {: ]/ I$ `3 C" l i& ^( J inspect <expression>3 T* N$ P# t( R' L1 A4 b8 {" V* N! `
when <constant_list> then! _7 G3 }( |. Z2 F! q: {
<statement sequence1>;
' j8 Y! ?& X- q when <constant_list> then% ]& Z( V( J$ l T- K, z3 h% \
<statement sequence2>;0 P- F2 {7 Q) g& l2 R& B4 d
...
' ?3 t9 R6 \- T' q& M9 c& H else
& s& P; c1 r& @ <statement sequence3>;" \# k! u. I' {( q9 h# U
end;; ^ v3 z9 A' w$ @/ u* L
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2循环语句
5 _" W. @6 x2 a% R2 i9 A2 k (1) from <statement sequence1>
+ L+ l5 o/ `- Q+ |7 Q4 C3 A until <condition> loop
- O3 I9 x* k: ^- z, ^0 { <statement sequence2>;
. V: R M9 y5 X/ z/ T7 P C end;9 G( |6 }6 ]1 j& R8 H
(2) while <condition> loop1 v \( {4 j& f2 I
<statement sequence1>;
# d5 M9 x' k" v0 g end;0 q5 @, J0 G5 ] C# c+ Z# d: j) v
(3) repeat " Z! F; ], \! ^) |6 P# |* m
<statement sequence1>;
& z8 z, x, W6 M+ x6 U* ^ until <condition>;
6 {6 A( s3 A. z) t1 u (4) for <condition> to <condition> loop
' Q7 F' _/ _+ m5 n <statement sequence1>;
+ x' |" c3 W+ W2 y next;
7 C8 [. [% O+ C( k! `" l v3中断语句
/ z3 g9 R, E0 ^8 ?/ g1 |# Z; c1 x- D waituntil <condition> prio <integer expression>;9 ]+ Q7 {1 S4 D3 [" N) Y4 _
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* o& w: v0 F# U以上为常用的函数！
$ h$ g1 M2 s$ _" _% X, s4 p还有很多，如有需要我把资料发到你邮箱里
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