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发表于 2012-11-13 08:48:12
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1判断语句( o0 m% f+ n& g: n+ {" O
if <condition> then
& T: U+ `5 a4 `4 Y& u1 M1 S4 q <statement sequence1>;
7 F6 Q, M- A& k9 i8 P! X0 \, z elseif <condition> then2 ^: k' j/ p8 `( @# l) v& y
<statement sequence2>;
: Z v8 H9 r& A0 u* G else
. O- q) q6 t+ g <statement sequence3>;' \' H9 m% t- H! o C1 s6 D9 N
end;6 q6 F, ~/ q8 x0 p! W0 m: E# V- Y
如果分支比较多，用：
" E% D! C; V# k8 D6 n inspect <expression>- l3 U0 M, _; R% \$ A
when <constant_list> then8 J4 h& n8 ^6 @$ Z3 b8 o% a
<statement sequence1>;' L& H. U" g+ x! q
when <constant_list> then
( B. n# Y- F! Y <statement sequence2>;
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else
! Y& m9 y1 w3 y <statement sequence3>;7 L1 D* q" H& [; c( Q4 Y6 h1 Y
end;
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2循环语句! e" E! T# W- ?
(1) from <statement sequence1>
- `2 B0 R6 K* N+ n until <condition> loop
, L! \# f2 Q2 m) `2 |: I5 A# y D- g <statement sequence2>;4 @ C9 r* o3 J' j n- J' U6 Y
end;
) A3 R9 U. [9 x! j1 x1 w (2) while <condition> loop0 R! K% W0 `( U8 O
<statement sequence1>;
; v+ k4 z& \* \5 B) M, y end;
; K+ v5 p. I6 b2 U1 y7 s- } (3) repeat ; z/ A5 S, @8 j6 z3 p! {
<statement sequence1>;# \% J8 m! z/ D- ]
until <condition>;
2 |0 W3 e8 B% p (4) for <condition> to <condition> loop+ }" u6 j/ P% P) T& `, p' b
<statement sequence1>;
4 S1 |4 i$ P- O4 Z5 x next;" o! }5 D0 K# m/ F. f+ l
3中断语句8 e& X+ ^* e% P0 w
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
9 d$ s* X+ Q$ B# @* W; F7 W还有很多，如有需要我把资料发到你邮箱里 + p' P* J& p' D! A e& o/ L1 C
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