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发表于 2012-11-13 08:48:12
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1判断语句
5 {! Y' Q* h4 {, `) A if <condition> then0 A2 `4 |9 {+ r' D* a' \
<statement sequence1>;7 V6 x* s d1 s% s# v
elseif <condition> then7 c- `9 | v' k. v: N3 P3 ^
<statement sequence2>;6 e8 r5 E! ~5 l& T* q
else
% d2 ~, q2 Q) D7 E' t4 O2 U <statement sequence3>;
* z6 }$ J* `/ x+ X end;2 |, N) F, a2 p Y5 y+ O
如果分支比较多，用：' ?1 F7 ]" `$ p4 Q# w
inspect <expression>& M3 Q- T. r. d
when <constant_list> then
3 X+ }/ p% [6 o$ y4 s <statement sequence1>;
' @9 h( g8 s1 ]( } u8 k; w when <constant_list> then. n" s- s* Q$ I6 p" i: r( R$ E7 O
<statement sequence2>;, H9 [) X3 l- O) u1 B% J# r
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else
% F1 w, `4 ^% A& r0 O <statement sequence3>;
# I) W( F9 k' X( {3 {0 eend;7 Y1 l) v' K+ F( \
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2循环语句
! R( l5 g5 k1 S/ Y# f, j (1) from <statement sequence1>
8 s; A' M( H3 d, q4 Y+ q* k until <condition> loop) w( T# ~" S( e4 D" q$ w
<statement sequence2>;
) r/ o% p4 d# j3 N end;8 V5 }; u. ]% m1 q I5 p
(2) while <condition> loop, v4 ^ d) K3 p/ Z& T. u# f3 K" j
<statement sequence1>;
4 T9 D/ S# ^7 J5 n& ^ end;8 }1 c, M* V" P/ h3 J) h. T7 L4 a8 }
(3) repeat
) v, q5 M4 O5 x! L8 C2 N <statement sequence1>;( o w" ]# ~* m, w
until <condition>;
" T( T% I2 I4 L (4) for <condition> to <condition> loop( Y' s$ z6 k$ w
<statement sequence1>;
" x# w7 _9 {# H$ j! Y9 R0 M next;
' |& P# X: L+ r. i" N1 ]/ B+ g3中断语句+ s8 R8 A j$ a5 O
waituntil <condition> prio <integer expression>;$ E8 f! ?0 @$ ?& ]; K
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以上为常用的函数！' p. k! q( r$ g
还有很多，如有需要我把资料发到你邮箱里
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