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发表于 2012-11-13 08:48:12
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1判断语句
4 E* \1 O5 r0 g1 j8 p if <condition> then- P, z/ U' Z8 t. u& q2 J
<statement sequence1>;. j. N+ L p+ M% S) D7 }7 a# \7 y! g
elseif <condition> then, z+ C$ d5 F: J6 V
<statement sequence2>;
6 }" `/ L' h0 b; t3 r( j# h else
6 K, M7 ?" G+ l7 M <statement sequence3>;
# k. J7 V$ h1 G2 z! `- z end;7 U S: {7 ?+ O# s! k, Y2 Y* x5 ^
如果分支比较多，用：
" w$ }* s- M% L inspect <expression>
4 ] b* }/ p, F0 y: n4 U* N l when <constant_list> then
$ h, z" q- h9 W) E! `( O0 @ <statement sequence1>;8 e8 R f$ }. k) }. m4 _
when <constant_list> then
! Q0 v9 U; D( h5 r: Y# s <statement sequence2>;
1 x- j& c" a; Y7 i ...
* I. E6 B3 P; I( J& J& s n# @3 O else
. v9 u W g2 y" ` <statement sequence3>;$ Z& g1 B7 M$ y' Q9 Z7 Z
end; w: b+ _+ F- k- L+ Q( Y! x; Z+ {9 i
5 b* h+ m0 O( o2循环语句# i h ?" M. r' E5 C
(1) from <statement sequence1>
" d8 K% i b( o) ^ until <condition> loop
5 n4 `7 c. Q2 I# B <statement sequence2>;7 Z; s$ n7 ?5 y7 F f: v K J& d
end;
& Y% m3 a% w' Q: {' ^ (2) while <condition> loop- F# q" k1 {: |
<statement sequence1>;8 ]. [: d% |! }. H. [' ^3 l7 e8 T' ~
end;
- U6 S/ b% p+ v$ u; d9 P; }9 u2 J/ X (3) repeat
8 D5 ~ V9 M- |8 E" A3 A# n V <statement sequence1>;# Z5 S' l( o E1 X0 z
until <condition>;1 g; ?) u" k; ~3 r& z! v/ I
(4) for <condition> to <condition> loop2 J: z1 z& F u* @0 z
<statement sequence1>;
& Z& Z( _# q, O0 D/ t% n$ p next;+ _6 [2 p" ]+ S% D: m
3中断语句
- m, F& G+ u& C. O1 R waituntil <condition> prio <integer expression>;- P# u. A- L% Z3 f7 F1 o* R
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, t7 z2 H/ k; X- K5 L C8 \! }以上为常用的函数！
- W' H# `: p6 _) v+ a+ u* \还有很多，如有需要我把资料发到你邮箱里
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