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发表于 2012-11-13 08:48:12
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1判断语句1 T& E6 P- w+ R' b1 a7 f) u4 ?
if <condition> then) k2 u0 F3 B5 }/ G& {: D/ n* R
<statement sequence1>;
7 J- @1 i( U6 I elseif <condition> then
; Z/ y$ U' K5 K u <statement sequence2>;
1 I% Z5 s% I/ E; M2 p2 ^ else 6 |2 x, W0 ? a& B
<statement sequence3>;8 n d9 u& r5 I
end;% U" k6 r, T$ E! l; Z) h7 M& [
如果分支比较多，用：
' V, r; ]3 A3 i' Z" S% Z( I inspect <expression>( {. R1 O& S1 s# J1 M% f
when <constant_list> then6 ] h6 A4 s/ z7 ]( S$ M* i0 C4 q
<statement sequence1>;
. Q9 w; |: `' H$ Z when <constant_list> then
3 `/ Y7 J$ h0 t1 [ H$ P. | <statement sequence2>;
- m+ L) x; ]1 ?. Z5 ]% j0 \ ..., U3 l' q4 I8 Y b% f8 x
else
0 u( v9 C5 j1 G8 R0 b' n9 } <statement sequence3>;
" R* P/ W5 H, z( L9 eend;5 F# X/ C5 [; Y* K( |. M3 k
. I4 a3 G8 i0 d/ E& C2 C2循环语句
0 ^$ n! `# E1 |4 i2 ~0 D (1) from <statement sequence1>
; F. ]- h7 R9 t* B until <condition> loop
8 l, p# {8 T1 G: u: ?3 o& H <statement sequence2>;
5 K( Q: a3 [: w# \9 e end;' H* N( `; f' m# w) U
(2) while <condition> loop0 {; [4 x* }' @, H% O
<statement sequence1>;
% O8 P1 B5 \8 j1 T- j( p0 y end;# h4 ^+ Q. b7 Z: S5 e
(3) repeat
9 h" {: L7 S, p; d) X <statement sequence1>;& A$ ?+ @5 e3 K9 C/ \
until <condition>;+ Y6 b; X8 S5 U
(4) for <condition> to <condition> loop4 ^# K5 W5 \9 k& [% _3 h5 p* `
<statement sequence1>;
0 a# G. ~3 y( u( F next;
1 j" P1 O# X2 D3中断语句
: T! a% I" h% E l+ ~: w waituntil <condition> prio <integer expression>;: M3 h: Y @4 v" L7 f8 Y" [/ z( z
# r& D0 z0 J3 h$ o( C( \- h9 ]
$ L9 t3 B% }& s4 k7 H6 z# G以上为常用的函数！/ e+ u! _+ M7 r8 p/ P
还有很多，如有需要我把资料发到你邮箱里 ) I7 V! ?8 Z6 ?2 e: I
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