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发表于 2012-11-13 08:48:12
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1判断语句1 i A( S5 ^4 J- A% C7 L
if <condition> then5 _( u0 w' n& B5 _& ~. B
<statement sequence1>;
0 e! e; W8 A; c- ` elseif <condition> then% N- @2 s+ e' k! p! {8 ~' H8 x
<statement sequence2>;' o' [' |0 ~2 N3 Y8 F
else
! j! ? y" V6 C8 w& E e <statement sequence3>;. h* f# H) S7 I: I4 E4 {" w
end;
( [ f6 F; U3 `( l2 [+ i如果分支比较多，用：
/ a5 G2 A; K0 f inspect <expression>
* R$ T, [! ]6 p: b when <constant_list> then) u0 U" x5 i1 r" D& R- U" d! _
<statement sequence1>;
9 O- n! x: p) C$ i; x5 O. Z2 d when <constant_list> then- N1 n* \! c- D5 ^' R7 ?
<statement sequence2>;/ |8 V) _, N) N: X
...9 ~' Q. m& [6 P) a) D2 N4 j
else3 M+ B! M4 Z$ [" C8 d0 y4 K# F
<statement sequence3>;
% l$ a" ?* J# Vend;3 I# P5 a( n. h( p# f* [2 ]/ _* }
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2循环语句. J; G8 r. T1 R$ V% `1 x: x
(1) from <statement sequence1>1 z- D- @- \: a. _1 ?/ `# ]
until <condition> loop
9 [( V$ ~- W$ v' } <statement sequence2>;4 m4 G6 P' x6 |+ O
end;
; J7 y; K' |( o& `$ }, E (2) while <condition> loop; c) Q! g4 c* b1 y
<statement sequence1>;
2 j: y4 E1 x: \6 |2 e; m end;
) T9 g( [( a5 O' |9 a: G, |# M (3) repeat % ]$ M: B' F* Q
<statement sequence1>;+ Z$ l1 C2 N. N O# a) E
until <condition>;
0 O. F9 @/ g# G( o (4) for <condition> to <condition> loop3 N) n; G! \# y( y/ I: b
<statement sequence1>;* j! x% f! T0 o6 s q3 K
next;
. {% V6 F0 Z/ b7 e3 ]3中断语句: }( P0 @. w% K6 r8 N: C
waituntil <condition> prio <integer expression>;. p+ Y* }# m! K2 O; r) a6 ^
: @7 |1 J3 {/ V$ T0 r U
' r8 N k( E7 |以上为常用的函数！* ]' b3 Z9 O: H0 [
还有很多，如有需要我把资料发到你邮箱里
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