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发表于 2012-11-13 08:48:12
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1判断语句( D1 ]) h/ q4 f; Q4 _
if <condition> then
- N3 A! ^4 o) f9 ?# g <statement sequence1>;) P) k+ Y* ]+ S4 Y
elseif <condition> then
3 y: T2 Q7 ?: `" _2 ]7 e <statement sequence2>;
2 n$ D. n, t0 z+ J# j3 X& [ else
, }7 n3 v' R5 }- t <statement sequence3>;
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如果分支比较多，用：3 R' O" t( s- e5 B, H
inspect <expression>( a: a5 C2 J0 [: G1 B j
when <constant_list> then) M8 S3 r7 ~# t* S7 J1 a
<statement sequence1>;
; z _+ R! R' l# y% W when <constant_list> then
7 I; y/ ?' I( u9 y& {% k& \ <statement sequence2>;0 p7 }8 L1 c- b( r l
...
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<statement sequence3>;) b- w1 y9 Y/ P# G. u. F& N" h
end;
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2循环语句$ D0 N" f/ M# t$ d$ Z4 \$ J" S9 i
(1) from <statement sequence1>
1 Q: j' j/ x1 a3 r0 U& y until <condition> loop$ q, |! t* f) L3 k' }( v: {: a
<statement sequence2>;
/ p' D% y5 t9 \ end;
: D3 v! l7 T @ (2) while <condition> loop9 L3 x: i- S' Y/ S) B. i
<statement sequence1>;
% D4 B$ w# Q0 D/ u$ O. r& d( C end;6 B3 X6 O( U9 Y" b" t: x" w
(3) repeat
2 d- O0 v+ O) H" x <statement sequence1>;
) _0 |: t) E% z% s until <condition>;
) d6 c/ m9 D2 K3 B; L5 q- T8 v (4) for <condition> to <condition> loop. n4 P5 l- W- @4 u; n2 V f1 h' P
<statement sequence1>;; x, o7 k+ W5 v& \0 z, C5 Q
next;8 s1 `1 Z2 E; x2 z+ G
3中断语句+ d% M3 Z0 o' _8 e4 U, U
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# T9 m& Y/ {4 U6 m. h# Q
还有很多，如有需要我把资料发到你邮箱里 : ]8 D, S1 a2 |$ P$ u
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