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发表于 2012-11-13 08:48:12
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1判断语句% k9 h3 ^$ {7 j; H/ W
if <condition> then
; {0 F2 O: X/ ~) w! d <statement sequence1>;
( \) f' U! ~- S5 k; | elseif <condition> then) o P7 }/ _: i: t x
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
: n3 H* `( o/ C1 z- q. E' Z inspect <expression>6 K8 j4 m9 N8 a" s4 Z# P3 T3 f2 b
when <constant_list> then
: x* B/ f' J) O6 [ <statement sequence1>;# z5 a# b0 w0 ^, i
when <constant_list> then
7 N1 d* J( v5 N: e. I <statement sequence2>;- ?+ B- P Q$ m) s2 V" W
...- {8 F* [! J9 d# l- M( @
else
4 \% l+ F* u8 a1 T <statement sequence3>;7 X( M- a' g2 f5 {; u. O
end;
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* s4 a0 {$ I3 T( u& ]9 L2 d2循环语句
+ |6 W3 X; [. ^, { (1) from <statement sequence1>
6 m2 g7 G+ X) g- v8 M; J until <condition> loop
( m- y1 ]& z* e4 M" N <statement sequence2>;( u7 y7 `8 T" ^$ o0 Y6 _
end;" G' `# I+ q' y0 X, q- ?
(2) while <condition> loop
6 W3 p/ Y2 P; D, @, f! H9 e) p <statement sequence1>;. T" Z8 z8 I/ j5 [3 }; W
end;4 z+ Q/ j0 t4 Z5 R# X; _, ~
(3) repeat 9 E. W- p. J: d+ g
<statement sequence1>;1 x1 p9 ~& y9 h. j* I; Y
until <condition>;1 _: j( w* I. w Y0 Q
(4) for <condition> to <condition> loop! D6 `3 _6 }- A" |6 C8 r
<statement sequence1>;
" V4 J& }/ e1 Z& \0 i3 a* c next;
' I% ?9 h( {/ e7 a9 u0 w0 X3中断语句
& @ ^- o& }. ^% w# B waituntil <condition> prio <integer expression>;
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1 L, a4 u0 ^" a; F- |
_" M8 A& A! Q$ D8 N# U以上为常用的函数！
6 h; ?; s! H! R0 g" t9 e1 Z还有很多，如有需要我把资料发到你邮箱里
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