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发表于 2012-11-13 08:48:12
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1判断语句
D$ ]) z; R" U6 O, f if <condition> then
7 R. l* k/ N9 v <statement sequence1>;
, f) z) Y0 H* ] elseif <condition> then+ U6 d8 B& L" q6 [4 V; a6 k
<statement sequence2>;
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<statement sequence3>;6 b* I- l7 G& ]# v0 W# b0 u: n/ O" C
end;
, N+ a9 S: a4 U+ u' M$ H' C如果分支比较多，用：/ Q: d7 Y& M7 e D }$ O
inspect <expression>( f) [2 ]1 u# T$ _) Y2 ~# x
when <constant_list> then
) Y$ a2 ~# ^2 Z7 U$ v4 F e2 r <statement sequence1>;5 w7 G) q4 E Z3 k5 s S6 z
when <constant_list> then
) S. \6 ^7 \! e1 j+ q7 @0 T& l. W <statement sequence2>;
- r" l8 t4 r6 r: U2 ~0 Q- l: u4 | ...3 }: V$ H, T5 Z5 Y O5 v
else" q- B% @, u' m" ]. J6 b7 h
<statement sequence3>;; G( L/ U" g4 D% e* \
end;1 a: y7 u' W: X: M0 C
( l' n$ F5 ~( H3 Z2循环语句
! Q7 A1 }' |5 U" E6 z (1) from <statement sequence1>
r: q' z' K, M: { p# k$ O until <condition> loop8 Z; y+ b4 i; L3 a* }
<statement sequence2>;
C# B: y L, Y$ j3 l6 y end;+ _8 e+ l: M+ r/ o0 D: ~
(2) while <condition> loop0 X' B- G7 L% O$ O: B+ j; x
<statement sequence1>;
" y# K' V0 p/ \" K end;
* ~( S7 C9 q! N! `4 O (3) repeat
8 q6 t6 \1 @" P8 K( | <statement sequence1>; n8 @& h3 Y8 n' c, h0 e. L
until <condition>;
, Q- S9 X* [+ L. l, A (4) for <condition> to <condition> loop
6 p, Q% } S2 f <statement sequence1>;% q% |% x/ x6 f X
next;
0 N9 g( l5 D* W$ ~, O$ Q0 D: _5 O- U$ t3中断语句
* \, c8 _* `8 J% ~* }& Y waituntil <condition> prio <integer expression>;: p; [6 a5 q9 b# y0 U+ N& D
7 X" G% P# f6 F* T1 a+ r) ]$ N
6 P: u& ]9 E3 y2 w2 h4 f
以上为常用的函数！; b. @% ^1 ?) ^9 U2 L7 ^. v
还有很多，如有需要我把资料发到你邮箱里
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