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发表于 2012-11-13 08:48:12
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1判断语句7 P' Y6 T# n3 G% c' m
if <condition> then/ i+ j# Z5 H( B3 n: }
<statement sequence1>;0 r, D2 _0 ]% h& O6 a( l! U' \
elseif <condition> then
* |( N8 l( N/ h0 ]6 l# H <statement sequence2>;" {& @ a. }; S1 Z2 H
else m+ k; {" Y5 F4 y4 U o, Q
<statement sequence3>;
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如果分支比较多，用：
3 w+ R& l& Z% E. E+ t; n( i# d0 x inspect <expression>0 j; Z. o: P5 e' f R
when <constant_list> then( y! Z& o D# R0 N
<statement sequence1>;
1 b. L( t2 h" g; p+ @5 b, | I- b3 g5 L when <constant_list> then
" s* G- D" i+ f# l9 v" K' e <statement sequence2>;7 p2 x, N5 M- s/ r
...
- v L% I) |4 L else
/ Y) P' g* h/ D) w8 K <statement sequence3>;- }' ?& ]/ K" P
end;( R; B, K5 S6 r/ M7 t( x
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2循环语句
1 x v+ L* C; c5 J0 j: X7 G (1) from <statement sequence1>
2 h: d" P5 v" C) Q until <condition> loop
2 b7 h* H8 t2 o% K+ Q) h9 @1 } <statement sequence2>;
5 t+ L( ~, N F3 p$ j end;
+ j! A4 c1 q/ A9 v1 G0 H (2) while <condition> loop
, I( S5 W4 F3 T# @ <statement sequence1>;) q* U$ K* M7 q& M4 e
end;% n! d/ Q" {% h8 K& d! w" ]( C8 H
(3) repeat
3 j6 M# ?0 F2 D' n9 U <statement sequence1>;; D& t& B& H- r( O/ C! _; ]7 Z
until <condition>;
/ G+ l" \3 \( s5 @/ V1 Y( v3 w# m& h (4) for <condition> to <condition> loop
0 ^- e6 A9 l+ |+ c9 ]6 C+ \ <statement sequence1>;
, x) k8 |9 f4 h% |' B next;; x. o, t/ k- c
3中断语句* o9 Y1 `+ U2 {8 S3 x) N9 z
waituntil <condition> prio <integer expression>;2 o1 A$ N. G F c; L% }
3 Q- Z3 w" p n
6 [0 m, k2 f% ^以上为常用的函数！
5 J4 l* u1 T6 I' \3 m+ ^) u% t还有很多，如有需要我把资料发到你邮箱里
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