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发表于 2012-11-13 08:48:12
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1判断语句
K$ t, L; v& t7 \; ]4 B4 M if <condition> then1 T: R; p6 A# } |2 J; z# ~4 r; ^
<statement sequence1>;
( a! U8 w8 X: q" H1 c0 j elseif <condition> then
7 V& _, X6 b3 N9 A1 W <statement sequence2>;- z1 t7 _& ^6 X2 \/ K
else / x: W2 i* p0 w2 Y/ }1 J9 I
<statement sequence3>;9 S4 |3 ?0 v8 z7 f" V4 g" y
end;2 `2 k8 U3 H6 t5 J( R5 ?
如果分支比较多，用：
4 b( }0 ]* ^+ R: w- _3 w inspect <expression>
/ p* r- ?6 Y& ^1 h when <constant_list> then2 z4 D4 {3 r% T. E$ N3 ?
<statement sequence1>;
- u. O$ o1 ]2 L" R+ i when <constant_list> then
6 M+ [! T& q0 N+ Z! c: B2 k! s <statement sequence2>;
9 u2 C+ o/ ]. m ...
$ ~& D. p& M* _- p6 |; U5 a else
, f8 M2 M M* G0 U+ c7 j <statement sequence3>;
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9 |, \7 ]9 I0 \9 p( K) b5 _1 O2循环语句: Y$ B# z+ M0 a
(1) from <statement sequence1>
; B' V* n* j' `0 U5 Q" I$ ` until <condition> loop
) Y- {, r4 C; t <statement sequence2>;- i+ t0 v4 d* T) m1 D
end;
; Z7 ?! a. L6 i ?" S/ }6 G5 o (2) while <condition> loop: \ E: J) ?% u5 R9 X6 h: R
<statement sequence1>;+ ]* R% O6 b3 y4 R( w
end;
1 V4 {; Q: X! ^3 A' Q6 K, ]6 }6 w. ~ (3) repeat
7 q( L3 S4 I$ p/ `1 V1 J <statement sequence1>;
4 R5 z( ~0 h( G! H# w8 u4 E until <condition>;
! {' v/ |$ X/ i4 j6 m) Y2 Y (4) for <condition> to <condition> loop
" {$ K" D. T2 J6 k4 c <statement sequence1>;
- ]' W: y% U. l( Z next;
6 y( C/ N3 D1 D$ i( ?3中断语句: Y, ]. G# R, Z( x" @
waituntil <condition> prio <integer expression>;
1 y$ J( R! L. Q5 o: I$ A/ x1 X7 b. i3 J: W+ j
$ |0 `: s! F" O7 S& \以上为常用的函数！
w3 L2 i+ H. a( S" n \1 M- I0 a) r还有很多，如有需要我把资料发到你邮箱里
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