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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 C7 Q9 T P7 v+ ^. V if <condition> then+ O, A3 v' \& X" s
<statement sequence1>;6 f+ i+ W7 z* ]0 w1 @( c/ n
elseif <condition> then. ~, O) h f! O# @- G( ]
<statement sequence2>;
7 n2 v/ c8 B H4 \* P; V% Q else , [% P, b( s; S0 g. ~( v
<statement sequence3>;( E, \4 ?. _+ Q6 u7 L) i; _1 B
end;
- q6 T! o: c/ i( A Y/ ?+ u) @如果分支比较多，用：/ i( a0 B3 Y6 g, }5 L
inspect <expression>
' \( f# J8 o$ |7 Y* F4 T6 \5 \ when <constant_list> then
& [/ X9 @, b, D' @/ x) S <statement sequence1>;
1 [( C8 L0 i$ P+ S when <constant_list> then
9 a+ r$ } r1 B+ P <statement sequence2>;6 _' K) e( I+ t& `/ m r
...- e# A0 g" H$ R) V! |3 U
else" P& u+ ]+ @9 C& o' \/ U. s
<statement sequence3>;& @8 y; |% o$ ^2 V. q% [
end;* y4 v$ ~' H( U9 _" q0 |
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2循环语句
" w! d, Y2 \* b) B (1) from <statement sequence1>
; g. j1 M+ G# w7 d; b! W% i until <condition> loop
, z+ {! d2 b( ?. T# o& | <statement sequence2>;$ @9 P) v8 q: _
end;
+ i' z& }1 a& ]1 U8 ]. P3 D( c% b' D& [ (2) while <condition> loop2 N% k- h0 y8 K' E4 O
<statement sequence1>;8 \2 n5 u6 G# g( h$ E. I
end;3 k4 B+ a* K6 M+ h ^9 F- O
(3) repeat
5 P* m+ c. d& |, J9 r+ ]5 c& D) Y <statement sequence1>;
4 Y5 Z8 I$ J1 f+ F4 E until <condition>;
8 K% N/ K0 p& I5 ]+ Q (4) for <condition> to <condition> loop, S! ]8 L( H. A( H7 A$ ~
<statement sequence1>;
3 {; G3 Y- ?8 Q4 }7 J( d; k next;. s9 I8 r: A) f$ X$ J S
3中断语句
3 ~0 ?; N& w) O2 L; g5 o' ~ waituntil <condition> prio <integer expression>;
8 @8 `# U6 |" F# Y" g$ w$ C3 N4 ~; E/ R/ z+ ?- }3 z5 {
, H0 Y4 n4 d+ S1 U: W8 o# }$ q
以上为常用的函数！
! `9 P8 F- V; u5 I2 I; C! `. n还有很多，如有需要我把资料发到你邮箱里
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