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发表于 2012-11-13 08:48:12
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1判断语句( e: o( m/ p5 h# b! T# f
if <condition> then7 l# r, K% s. q5 _! |
<statement sequence1>;
3 b7 u* _9 J+ B- c4 w. G9 a B elseif <condition> then0 Y) J% @3 s( `- y1 ]
<statement sequence2>;
q" b3 }+ X6 C4 } else , U$ t! }8 J* ]# S9 v
<statement sequence3>;' o5 V( ?8 B/ u! u. l u
end;! W/ E2 [" [, [+ i
如果分支比较多，用：7 H6 J$ T w; [8 V$ ]- n
inspect <expression>
1 J( Y# V* |& @" j$ S when <constant_list> then; v1 C' c; m; ?9 Z
<statement sequence1>;% \) d: W, L8 E% t
when <constant_list> then
: C$ `7 ~0 z6 A" T9 v <statement sequence2>;! X; Z6 z9 {: e5 n* ?
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else: v6 X. J0 L( p& E
<statement sequence3>;- s$ u# t$ b; ]" b% q$ f; V
end;
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2循环语句
9 ]9 d. L3 f' j6 u (1) from <statement sequence1>5 S, Y; j1 o$ e1 h$ G
until <condition> loop1 P. ^1 L/ H8 F2 U
<statement sequence2>;
) `6 Y" x0 Z& g' } end;
& E) \7 O$ D: X/ i* L* o6 y1 n (2) while <condition> loop4 v+ m& \* H" u- n d, }/ @
<statement sequence1>;
5 Y5 \8 T$ p+ K: C3 {0 x1 ?! `& f3 y end;- |/ o0 t* A9 B$ ?# H2 [9 Q
(3) repeat 0 _- j0 g p; l# `) B5 c& G' G( n5 }
<statement sequence1>;
7 e" ?. f) Y1 L4 E- ~& ^- h until <condition>;+ }) r0 c9 O, y! T5 c( |
(4) for <condition> to <condition> loop8 L& H/ Z, P; h( H6 t4 H! j4 u% r' T
<statement sequence1>;% Q& d5 L/ ]- W/ t& D6 O
next; z& K7 u1 a3 H; ]0 C
3中断语句9 E7 v( Y5 T& E6 x( B6 o6 A, c
waituntil <condition> prio <integer expression>;6 O9 F' q( c/ K# S& l4 H% S
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以上为常用的函数！
: \; b. y+ k' r3 }( D还有很多，如有需要我把资料发到你邮箱里 ! G2 y$ M& k0 }8 }/ V, h& p+ ]
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