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发表于 2012-11-13 08:48:12
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1判断语句! ~! e6 f0 U" q j6 l7 L
if <condition> then' a5 i* Y$ \7 {( a' G) b
<statement sequence1>;
; p0 ?2 @7 E( Q8 j+ M elseif <condition> then G# P/ w7 U5 r0 \1 W
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：3 m( ]7 p$ [. {) h* O5 V
inspect <expression>
$ Y1 B9 f2 ]9 J+ A- V+ C; |; S" ]7 v when <constant_list> then! b3 M% k$ Z8 U- w- f2 E* i0 I4 v
<statement sequence1>;
! n2 h6 p5 h' M: H: E) W when <constant_list> then
( c: X D, S" l8 H/ q, h! n <statement sequence2>;2 x1 \$ ?( r+ u- F
...
+ ^6 H: X0 Q0 Q% P else
3 l; [' C: T) J <statement sequence3>;
1 L/ e8 v }1 d) K2 p! Lend;- g, a. o3 H6 `. K( O ~, [5 _
% Q! z0 q) o+ Z2 V6 Y: V* o1 @& O2循环语句% i$ Z: U* p% Y( F
(1) from <statement sequence1>( V9 M' J& u t! R0 U) @
until <condition> loop
8 X* Y2 R) ~& p0 G# w <statement sequence2>;
( K) u$ ]. g( s9 ] end;+ p0 U5 I6 B, _0 b, J( m) I; z
(2) while <condition> loop
: l( N1 \, M+ h% l. n$ w5 u! B <statement sequence1>;* v! m# Y4 v+ ~) Y/ L3 M
end;
* k" A1 T* ]0 J2 n (3) repeat ) C/ S j6 H& r" C2 H
<statement sequence1>;. A$ b% ?" k# v* H% v& X
until <condition>;7 h, V& i$ Y5 S9 `: [! i& X
(4) for <condition> to <condition> loop: u3 p& b( s. D6 Q% C+ y6 V; t( N0 J
<statement sequence1>;
$ p: `0 t6 W* [ q- q next;
& Z7 `0 p9 c8 b q* U9 ?3中断语句+ M- t/ [) s6 p2 [, B; Z$ m2 \9 T
waituntil <condition> prio <integer expression>; @! h+ S; D z4 ?/ V3 r b
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" R5 F3 o$ X0 Y7 i/ O' B以上为常用的函数！
" b' S! A$ r" U; p) J9 G0 w) j还有很多，如有需要我把资料发到你邮箱里
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