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发表于 2012-11-13 08:48:12
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1判断语句
* f: _/ K) n3 ^, D- m. s d! C if <condition> then2 u4 W+ C" \# B) N% G+ O4 _
<statement sequence1>;( i8 c6 T7 s$ H9 J# [
elseif <condition> then
( H8 R( S6 L0 }* e4 s <statement sequence2>;
4 f. h) I3 R& \3 h+ r4 O else
7 K: `/ p, D7 Z. m. P/ m8 i6 X <statement sequence3>;
/ w( V+ G2 d0 X0 m# _% K end;( d7 ~9 L- M: ^2 S( R/ A7 p7 F
如果分支比较多，用：, I: m9 ~9 M) o2 {) Q
inspect <expression>
# i, J3 d( l3 a S when <constant_list> then8 w" V" n0 }( G$ \, N. E5 _
<statement sequence1>;6 ]- s! R$ V: M* q7 b! m5 G* T" ~
when <constant_list> then; E" @2 y' Y' z8 u$ ~2 r
<statement sequence2>;4 J2 ]) z/ o F" \+ d' b5 \
...
! p" i# o3 O% L X2 q: M3 e else, O: x: d! T0 h
<statement sequence3>;
0 Q1 d! I7 W( c9 W2 I3 Yend;
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1 p$ Z2 H$ z; g2循环语句
* i& L8 x5 G; [7 m8 ?& {* s (1) from <statement sequence1>0 c4 M5 ?1 f6 \$ X9 K% a1 _. \; b
until <condition> loop
* ^4 Q: _ Y, ~! q- \ <statement sequence2>;4 p& j7 t& W" o" X
end;' {& Q) [# k7 p1 o
(2) while <condition> loop
8 u: _; V! h, a3 f2 Q <statement sequence1>;
/ _( v. j% m, J: X end;
% l6 t9 N0 D4 A, p+ c- T" W (3) repeat 5 a! W6 N0 W+ |/ u
<statement sequence1>;% E! I) w% X8 l. U; d C
until <condition>;
7 t, M1 a9 L+ ~ x$ p3 x (4) for <condition> to <condition> loop
6 A% j$ S4 _7 C3 }5 _8 k <statement sequence1>;
7 f. T) `8 M, e( q next;% U) ?1 l1 a- U9 S i5 T3 Z2 F
3中断语句# V h$ r9 e3 V5 H, `: r, t
waituntil <condition> prio <integer expression>;
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以上为常用的函数！, x- v! H# X5 r- ^+ l! w
还有很多，如有需要我把资料发到你邮箱里
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