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发表于 2012-11-13 08:48:12
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1判断语句8 {5 ]1 D/ ~7 q/ x w, G
if <condition> then, j' ]5 z2 G4 f( o' Z
<statement sequence1>;1 u6 H& `. O4 A) y) o/ T' c
elseif <condition> then
2 i, e0 T* @0 I: B0 w7 w <statement sequence2>;. W- S" u3 a- S5 L1 d
else
9 o9 t t4 \1 ^/ z6 c+ u0 N- C; M <statement sequence3>;
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如果分支比较多，用：
6 V7 j0 d* j8 Q. i, d! w8 d inspect <expression>
: s5 ?& X4 u! O( H( S3 b% Y when <constant_list> then
1 F8 }3 B& E( e0 m7 J <statement sequence1>;
( ~' T# M0 q$ N a( h when <constant_list> then f3 w1 D2 B6 g
<statement sequence2>;
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else
) b% A& b7 v8 Y) U4 g9 E <statement sequence3>;
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2循环语句( o( [* m& @7 F& I0 Z1 H6 |, B
(1) from <statement sequence1>
% U& T, i# ?: \' t$ ? until <condition> loop
) e' i) y6 k: A Z7 B <statement sequence2>;* l( T# w' D m3 p% J
end;: V4 I7 n# M3 h# K. j5 D
(2) while <condition> loop9 R5 ? W2 b& s2 F& V0 W9 |
<statement sequence1>;
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(3) repeat
& D1 L6 {4 T- q7 E/ }" O <statement sequence1>;0 a* o" C6 Q) m8 R/ ?
until <condition>;
+ }2 V/ } }. ]! }& E1 d8 N (4) for <condition> to <condition> loop
( R4 y- h& |3 ]$ r6 i0 H' Z/ V <statement sequence1>;' d9 g: Z. X i( m$ Q A
next;! |3 {6 p! G/ H/ }- ], \7 M
3中断语句
& f' ]# z4 i) F( I1 s waituntil <condition> prio <integer expression>;
+ S7 U+ F3 a, r# d5 E! B) G3 |9 m& S) g
7 E: ?( v- h* e( n1 X$ ^2 R以上为常用的函数！
+ m( U2 y x9 M8 @+ V7 H还有很多，如有需要我把资料发到你邮箱里
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