|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ }, C1 M' I! C) ~2 F5 H6 K if <condition> then+ M# h4 i2 T4 {0 o$ p# N) m
<statement sequence1>;- `( G3 O+ I2 c7 w" M
elseif <condition> then1 l& U$ V9 k6 x$ i+ E
<statement sequence2>;7 {0 `: J4 E9 Z
else
. a+ K9 ?5 x$ r5 l2 r <statement sequence3>;% g/ Q. o" ~2 a- d' K# D
end;
: {" c! |& ] L7 A$ \5 Y# E! }如果分支比较多，用：! \; u3 a( A1 A0 H# c
inspect <expression>
+ D& C( d* x/ j& M6 u+ E4 M! W2 p when <constant_list> then
6 K u- B- Z2 q <statement sequence1>;
% b1 p! P8 V; ^' d1 g when <constant_list> then) e7 U: ], s5 j% e( |: f
<statement sequence2>;( W4 Y% ?% c5 P% Z- d# y
...
b; S' I: S" D r else
0 v$ d( V! j- p. C0 f* h <statement sequence3>;3 ` K( s7 z4 A9 N5 b
end;
' O9 |9 @$ i( L* o( z" W1 m' _) _/ j
2循环语句
0 N* E$ Y+ ?9 N" W) \ (1) from <statement sequence1> y6 s: z0 @: w/ l1 ^* v2 L
until <condition> loop- {; i9 y5 u) b/ }4 }
<statement sequence2>;
9 r8 q+ Z) B2 a. y0 V end;1 ]( M! {7 p5 C0 j( n3 O
(2) while <condition> loop
, B3 b" h5 c0 t# q0 A T: p, i <statement sequence1>;1 K9 r+ Z2 ^+ u7 j9 ]
end;
3 k3 u5 g& i) \6 {, t7 u0 l (3) repeat
- ?+ U% X0 ?' M( H <statement sequence1>;1 h3 u6 v8 R$ A, t$ m
until <condition>;
! _* ?. M9 M- }/ q (4) for <condition> to <condition> loop
4 \+ \+ J' t7 S) u9 u. c/ g <statement sequence1>;8 A7 M5 x5 X: d8 H: @0 C7 h% P
next;( C4 z2 \ |0 [/ O7 ?% C2 o9 e
3中断语句
7 j/ r4 A+ ]3 r6 [" t' ~; y7 { waituntil <condition> prio <integer expression>; F+ Q% o \- T4 e+ m }
/ b/ h0 |0 @+ W- _( l8 |+ T# Y$ b
+ N, A( y" b2 c( Q9 s N以上为常用的函数！
2 e8 s+ X% R8 B6 {8 u还有很多，如有需要我把资料发到你邮箱里
( L9 I$ X* l7 W3 Q! X1 T/ {" F5 |! D) p! @4 V9 S
+ ?9 P- F9 a7 j/ f- B8 ?) \1 A. n; g6 \. M4 Z, U
* y' f4 w L. G, O; b" M
4 p; `! i1 {- k! E; u
+ V: q; S* I' X3 M+ u$ A. B- P$ W6 s7 `& R& G# R0 U
) w+ f8 ]/ v1 M( w
6 o: d- L. Y' F3 `9 f7 ?* ] , }0 J9 ]8 z6 j. s8 _9 R ^* J l0 P4 G
|
|
[复制链接]
