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发表于 2012-11-13 08:48:12
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1判断语句) T T8 z0 j1 O5 A3 }0 t$ [! |
if <condition> then
* }9 \5 D' F& L! o8 a <statement sequence1>;7 V3 \- y+ R4 ]& i8 T5 k
elseif <condition> then
) G1 ^: R \# \' m2 S/ q <statement sequence2>;. h# _2 y$ v6 Y& x& O- `
else
$ ^* c; N8 L- H& G3 J, k <statement sequence3>;
7 \8 u; @2 H, { end;
' y& e0 {" Y2 S7 d+ `如果分支比较多，用：3 S3 Z6 I% i* z5 E/ }
inspect <expression>
; ]/ U) u; R. K3 z6 w when <constant_list> then* }+ w; K6 |* D3 G; p# f
<statement sequence1>;7 H/ N1 c1 f1 s: e+ U
when <constant_list> then
/ f& T- Y' H" y! L& c( [( k <statement sequence2>;
( l- _# b; z( |5 s% W ...
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<statement sequence3>;& c0 Y! L3 Z& _( e+ V9 B
end;
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5 P8 I8 R$ Z( v8 P2循环语句
3 S" [5 k2 m( s0 d2 r (1) from <statement sequence1>. o4 X/ ~) f: |5 d9 a4 p1 n
until <condition> loop
0 e( g; \/ T' T1 f <statement sequence2>;2 z+ ?5 l, i/ ^+ t
end;
, s4 G: M. q6 u' z4 i1 J (2) while <condition> loop- T. j$ x e% g: X% {: v6 U
<statement sequence1>;
0 {+ e. K9 f9 {1 \5 [/ i end;
% H i j: G4 S8 i8 c' x (3) repeat
; F4 e- h/ S) V; t+ Z <statement sequence1>;% W! Z/ v9 Q U6 Q8 K
until <condition>;
; l: f+ |+ B# l6 _) a (4) for <condition> to <condition> loop
9 ]3 K; q2 p& d4 A- m <statement sequence1>;
# T2 @ x1 R8 C# e next;& l, q5 z+ e4 [ i1 s: M/ i( Q
3中断语句
7 k0 m! ]% a3 N# _) K2 G8 F waituntil <condition> prio <integer expression>;
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以上为常用的函数！( i) s+ Q) a1 v& {' g
还有很多，如有需要我把资料发到你邮箱里 8 Y; ^, p& i+ s1 \
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