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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
- E. P2 N" v l, c) ?) S if <condition> then
4 E/ Q# }, {/ S( _8 w( a <statement sequence1>;0 w4 ~' \ }8 V; `) F; J) o, \
elseif <condition> then, }; T3 J* s1 c8 f9 Z! T2 N" \
<statement sequence2>;% S' F: x, v* s2 W4 {5 P
else
' e% S' x# s+ h2 A( N <statement sequence3>;
( q2 S' x# b5 \+ X4 z+ c& u* Q end;+ |( W0 b6 S' }* p9 ^, W# j+ z
如果分支比较多，用：0 s; V' M6 n+ u
inspect <expression>. C$ i* p* Y1 f" I
when <constant_list> then6 s0 U S; J2 X% b6 Y
<statement sequence1>;
) O% {, b$ J% Y when <constant_list> then" G2 ~- ~. |1 s# q, M
<statement sequence2>;6 O# g4 s1 h8 A4 t L I( W
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else
# _- Q! K7 h* B! ~ <statement sequence3>;
. p J' T) N8 d" u+ X* `end;
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2循环语句
* q; P" ]* ?. s (1) from <statement sequence1>
" r2 k+ t: Z2 u4 k/ ~* X until <condition> loop
' ^% B! g; @8 e <statement sequence2>;
" r4 b7 G% D# z8 F0 P0 t end;
" p, n5 D1 B l2 c3 p9 `6 Y7 L (2) while <condition> loop7 v/ v$ d- O8 H6 v
<statement sequence1>;
; t- k" @7 l3 K+ O end;
* G" T7 N, X8 w) G- t (3) repeat $ e3 z4 V: V5 N
<statement sequence1>;5 V0 w8 c9 f+ |' k+ A' Z5 j
until <condition>;( k2 }& _ u! V& `* d
(4) for <condition> to <condition> loop( M. [: X8 s0 L) x T9 w
<statement sequence1>;
. Y9 ]6 f5 ~7 q0 ?- g3 d, B( a next;2 {7 S4 I: w) _7 _; d+ J8 B
3中断语句
& a1 U4 L% {% w" k waituntil <condition> prio <integer expression>;
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以上为常用的函数！: |- o5 O+ [* M4 [) s" c
还有很多，如有需要我把资料发到你邮箱里
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