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发表于 2012-11-13 08:48:12
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1判断语句
! I5 S% Y; b: F* D" j* r+ o( k+ K) T x if <condition> then0 [# @* e9 _ x( [' z0 ? {
<statement sequence1>;* a8 a" J# G# _: X. T; Y5 i- m+ F2 @
elseif <condition> then
! [; c* q8 k7 m% M7 _. S( K) F {- r <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用： W `3 s8 M# W+ m& ]( g8 T. C7 u
inspect <expression>
- ^, K+ d9 q9 p. f when <constant_list> then
. W% P O- q4 t" z+ g <statement sequence1>;5 x" ?# t$ @: ?9 g* s- p( X2 [
when <constant_list> then2 ~6 z9 P* Z3 R) S/ G1 l- r/ V5 g
<statement sequence2>;
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else
5 W! `. ?8 }7 @2 `. \) { <statement sequence3>;. _7 U* Y% q% N h0 D3 g* H& m. v
end;
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2循环语句3 k% h! S8 l3 H6 ^% r) `" Y
(1) from <statement sequence1>) d/ C2 ^- A3 i8 S: g' ~
until <condition> loop: |" Y7 r/ Z- T2 m0 }' H$ e
<statement sequence2>;
/ d7 F+ @- t# W4 m. Z+ _0 p/ L0 A end;
- s0 d0 j p7 j! v& T (2) while <condition> loop
0 _! {) x n2 `7 V <statement sequence1>;8 _) R$ ^- M& t$ K' z- q
end;. T4 _' B, H; k; e& N/ w. L
(3) repeat
$ Z: s+ d% `/ h; ]: V4 l; O4 n* ]) X, | <statement sequence1>;- ~* L; S% J+ j) b+ d, m6 _2 q
until <condition>;
7 Z3 x2 V6 r9 p; s, u5 T (4) for <condition> to <condition> loop
1 W7 u0 n7 A. }3 | <statement sequence1>;
4 M$ K7 t0 J+ R l5 J6 A next;( n; n$ d4 z' |+ ]0 X2 w! Y) a
3中断语句$ o% Y: P+ w- u: m) w
waituntil <condition> prio <integer expression>;
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以上为常用的函数！3 V* B& m& r: i, t/ X& ?9 _' R% M* ^
还有很多，如有需要我把资料发到你邮箱里
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