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发表于 2012-11-13 08:48:12
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1判断语句# b' u; F) P7 C8 x4 B2 x
if <condition> then8 @+ ? i4 D$ m, O# G: l
<statement sequence1>;9 D$ g% X& r& T7 Y- ]
elseif <condition> then$ m0 f- ^+ H$ D w
<statement sequence2>;0 U: M* q7 e, v e! o7 u/ S8 S# U
else & D& H' h! `- P2 ^1 N
<statement sequence3>;3 S+ f6 r/ q% n
end;; x% P1 X( {" T
如果分支比较多，用：) X0 j) o0 N8 }" J# M
inspect <expression>1 R' k+ `) l1 s: j
when <constant_list> then
9 o: t# E- B3 z( k ~( L7 B/ l& X <statement sequence1>;
& c2 X" x I- r$ e! G2 d, X" a when <constant_list> then1 w, [( `+ B4 n. y# M
<statement sequence2>;+ |2 p8 o' h: k
...) X7 p. o! l5 D4 I$ e
else
" F5 s& v! W4 r <statement sequence3>;
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( X+ t( K. c( k9 s- W2 M8 z3 G2循环语句
1 ?+ ], X4 @" n9 G0 ^. U (1) from <statement sequence1>! q: I, b7 p- Z! l
until <condition> loop
2 ?* F' B. \" d4 d# s( ^2 o <statement sequence2>;2 I$ T4 `7 L. w! }7 j% i- d# Q# ]
end;
. P6 c$ r5 |# W (2) while <condition> loop
. W5 s: |# X, n+ i6 F <statement sequence1>;% X8 b# y/ w; {6 A% M3 c- E
end;) H+ \9 K' a' C3 B1 }2 t
(3) repeat
7 L% l1 s; i) R9 C/ {. s3 j* o$ \ <statement sequence1>;
5 x3 C! M( M/ l" ~; J Y until <condition>;+ L9 X6 j6 q1 R, x2 Z( u
(4) for <condition> to <condition> loop
7 I- B6 k) Q, d9 i+ v6 a: ?3 @ <statement sequence1>;; h0 b" ~4 U: p) \
next;
; u6 ^( m6 R* J1 `3中断语句% a( n0 f$ j: e0 p/ z
waituntil <condition> prio <integer expression>;( B, h* v; l0 w( j
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% @, {; O7 T, H) X以上为常用的函数！' j7 F# ?8 E) y% D; [2 }% R
还有很多，如有需要我把资料发到你邮箱里 " o) f) l5 b. C
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