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发表于 2012-11-13 08:48:12
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1判断语句: k) f% W; { ^
if <condition> then; Q$ R& w: o* _4 P# `: r
<statement sequence1>;" E0 C9 x# e- Q& R e
elseif <condition> then5 b3 k) j2 d: J* O5 ]8 p. g
<statement sequence2>;
; P- I* m" e( e# \0 P else
9 S: T2 F2 ~% \ <statement sequence3>;- u& M: L+ D3 }. l1 N
end;7 R! Q" h8 H( G# T* g
如果分支比较多，用：8 f# _* s6 L/ h) @3 g' `; Z
inspect <expression>
|- I% ]5 K3 o* K) j8 F+ V. h when <constant_list> then+ d0 h% [: |" Z5 S! T4 R: @4 ^, ?& W% w
<statement sequence1>;0 I E. n& T2 `3 W
when <constant_list> then0 a$ O; b- s7 e/ n) W
<statement sequence2>;/ j6 G: N+ I1 R7 ~
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else
4 E! y7 S7 q: f <statement sequence3>;
4 ?5 ?/ C6 i: n+ y ?1 F9 l1 i( s' zend;
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2循环语句
0 s! K9 t# b" R0 q (1) from <statement sequence1>6 S/ @7 ] D5 Z; E0 K1 b! T
until <condition> loop
! f3 y3 P& U# c7 q <statement sequence2>;( u: C U% G9 B$ ~; L
end;* ^" F; X7 A. |5 [2 ]% g0 u6 \5 s9 }
(2) while <condition> loop7 Z3 p* i6 z) G" x8 M7 ^4 \
<statement sequence1>;
! \3 z% v' w. o/ S end;$ J7 ^3 h4 y8 y& I2 H
(3) repeat
( Z, ~; _' v( d7 x; k; T# N <statement sequence1>;# c; _7 |: x& g5 M! l
until <condition>;
\8 m9 h0 [6 Z (4) for <condition> to <condition> loop9 U! [$ ^% m: P6 ]$ G
<statement sequence1>;
- @8 S) l% F8 s! V next;
" O% Q8 v; x' J" S1 d; Z3中断语句7 X6 R: X0 e5 P; y% [' Q0 p5 }& N
waituntil <condition> prio <integer expression>;; n+ D( y3 B% q! R, S
6 H' { ]7 G* \9 E1 N
9 w! D8 U5 u x, T' w% [以上为常用的函数！8 g6 O; l+ \# ?6 O4 ?( b2 h
还有很多，如有需要我把资料发到你邮箱里
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