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发表于 2012-11-13 08:48:12
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1判断语句1 F/ A U) w7 Y l0 G4 l1 }
if <condition> then9 C" z1 A( T: C3 q
<statement sequence1>;+ Z) `2 ?+ [& d; c; q( q8 x
elseif <condition> then. s: w; }( d0 }4 R6 R
<statement sequence2>;; N0 \" d [2 ~$ o1 K+ `7 ^9 {
else 7 E' b8 J4 G7 j% M( ^
<statement sequence3>;/ `6 D+ Y. a8 ^4 O% ^' H* x
end;& L5 ?: n3 B6 ^3 E, l. x2 J
如果分支比较多，用：# D" R! r" a0 y r8 F) `9 g1 x
inspect <expression>
1 q0 j% l; s$ S! O+ D when <constant_list> then5 z+ _: B+ ~6 d. \
<statement sequence1>;
9 o! ~: D: ~# v% Q; T2 T9 L when <constant_list> then: R2 |; X3 k# X
<statement sequence2>;' n0 U @0 ]$ }4 F2 m# ]
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else
. H' W6 Y+ P$ n( o, q- Y: ^ <statement sequence3>;4 e8 d$ b+ w8 ]2 ?2 X1 c& Z% U
end;
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2循环语句
( \ T8 |9 [9 A, }5 L5 O (1) from <statement sequence1>
5 \* F3 d4 `" H( R until <condition> loop) N! v) P. i* i" H, b+ ]
<statement sequence2>;* I& F7 [ s1 v
end;
: M( T5 n2 T9 O: x+ i (2) while <condition> loop1 Z; W5 \5 n: X. L
<statement sequence1>;
7 {0 L: _0 F$ ~6 x; S4 ]: i end;, l: b R; x5 B+ l1 `# V( b
(3) repeat
$ f2 B P. _4 Q1 j* ]: W: B) h+ i <statement sequence1>;
& j* M3 i- q* k; F7 }+ R until <condition>;+ l) f% l6 j6 U1 v5 }) Y
(4) for <condition> to <condition> loop
! s0 Y2 U. P+ L" S& u' D& r: r- s; s <statement sequence1>;
8 z t0 \ ?* W8 t9 G! l: C next;
/ [5 R G$ [* \1 [7 R7 p3中断语句) n' l0 B/ B) A: T$ E4 K3 o; _# V7 X
waituntil <condition> prio <integer expression>;
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以上为常用的函数！6 u1 D; b. ?6 ~! H8 P
还有很多，如有需要我把资料发到你邮箱里
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