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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
& u3 E! u7 v, n+ ^; u H6 c if <condition> then! H) a, c( d, F5 p( \ \
<statement sequence1>;/ } {# i9 h3 N% ]( k
elseif <condition> then" L& X* J) E4 M: k. {. b, k
<statement sequence2>;3 J" I% h1 `) S$ r1 W' l# `) e
else / f& p% p# W7 b0 f% p: O
<statement sequence3>;6 I- [/ g; o- D0 `3 A- g( k
end;: `# }& H+ t- W4 r3 e G
如果分支比较多，用：' D: M! j* D8 X% B: K# Q
inspect <expression>8 Z* u! b, V& b8 F1 P
when <constant_list> then
( U4 g( R3 G- E. j$ O$ [3 i. h <statement sequence1>;
$ C) `0 D: P* i9 ~; y when <constant_list> then
3 ]4 e. Q; d0 P4 }0 z, ~ <statement sequence2>;; v7 ?4 j7 N4 N4 o4 v: \1 y5 Z
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else9 V( s) l" J/ F3 q2 c# X- q
<statement sequence3>;
( N' ~. ]& f( X+ Y2 y/ F8 qend;
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2循环语句# L) r" w3 X# }) n0 u& \
(1) from <statement sequence1># x" J7 _$ Q4 W0 Y$ P, i' y
until <condition> loop; I e/ P' ?2 N: p
<statement sequence2>;' k. y0 i' B* Y% L# ~- J
end;
7 C4 Y( R# k) f" |. y. r (2) while <condition> loop, I4 b5 r8 v" B. f: W
<statement sequence1>;
- D J& a2 C+ Z5 `" g# C end;
+ E' Z$ `3 |. `, t! @ (3) repeat
: L/ ^7 |- X5 | <statement sequence1>;- C# U0 O2 y# f# u
until <condition>;
0 x+ q8 C8 s& E+ \/ M5 o% t$ S0 T (4) for <condition> to <condition> loop2 W1 ^6 J b1 y- a) B' v+ x v {
<statement sequence1>;: s: d4 O7 f. i/ J3 ~. f
next;( I% W* N& Z! j' E: q! ?* f
3中断语句
6 Y3 a, a7 x) _+ C waituntil <condition> prio <integer expression>;9 ^3 u2 ^4 I! G2 H8 j
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以上为常用的函数！& H" V6 z, J' R, O" h: k. {
还有很多，如有需要我把资料发到你邮箱里
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