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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
$ B! J7 T. v6 }2 z) L% i if <condition> then
3 h* y4 z# C: `9 P; b& C <statement sequence1>;
8 t+ |# ]7 R. E* Y' q; e9 w: m elseif <condition> then& |& d' ^+ ~/ ?0 Y
<statement sequence2>;) u6 n& ^: p6 }' I7 o6 B
else ! x4 z I7 ^! G7 m- J# a2 _
<statement sequence3>;5 d; B' m2 a/ r% @/ M& G! f: u8 D ]
end;
# m; o2 G6 a6 ~3 j2 K# j! I- I: M0 z如果分支比较多，用：
. N) l6 Q. }4 R) ^5 ~ inspect <expression>
9 v* i8 Q1 }2 ^) n% ?/ ^5 @1 c when <constant_list> then" s* j! v1 R! n( l* w
<statement sequence1>;
2 M, B# T+ Y8 n7 l& S when <constant_list> then+ y$ ^# i( ? H: ^
<statement sequence2>;2 S8 i/ t0 }" g7 G4 |. V/ a' t
...
8 Z) Q/ G6 M' e1 D, ~! O1 Q) ?9 c else
0 m$ o& h& ~2 T) P+ b. E3 y <statement sequence3>;- n+ Z/ Y; w1 d: G' i$ a# m( D
end;$ Y, s- h- ~2 S( x# }+ r
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2循环语句
9 E' k% A! n/ x0 l: S' w9 V (1) from <statement sequence1>0 }$ }) v K% h; ?# h8 X
until <condition> loop6 h/ ^, u& X( ~* o
<statement sequence2>;8 P" N b* j) w! Y
end;
( G; B$ {5 ~0 c* c (2) while <condition> loop7 j5 c; r: h- W
<statement sequence1>;' e b9 \% a) D3 q/ j' t
end;
9 n: a) {! U( o (3) repeat
. P$ `5 J) l8 H4 v <statement sequence1>;. b- k! ?: m! I8 }1 O; C1 p+ [
until <condition>;
" I( \3 e- d5 |$ r( Y (4) for <condition> to <condition> loop# j0 \' D' v& b5 C; n* t7 H) f
<statement sequence1>;9 B) c" g. u2 r
next;
) w( Y( X5 n2 \# P6 z/ ?1 B3中断语句$ U( k1 |- K5 a* a5 [: u: B
waituntil <condition> prio <integer expression>;3 _$ q2 Y2 I) W# p
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, P0 j$ E+ g0 |1 |以上为常用的函数！8 Y N0 R7 z2 Q" M% Z
还有很多，如有需要我把资料发到你邮箱里
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