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发表于 2012-11-13 08:48:12
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1判断语句
$ c. n# x; e# ?) f if <condition> then$ C l, Y9 {1 }3 i" k& _/ I& e7 I
<statement sequence1>;% L2 s' E' o# w) n6 @
elseif <condition> then5 z8 C& ^, `8 h) a _3 Y0 R& G
<statement sequence2>;' l. x% r/ w. W
else
% I. U6 U( v$ Z <statement sequence3>;
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如果分支比较多，用：% v; r' R0 |# V& C. P8 @
inspect <expression>
6 E, b. ?8 @2 i when <constant_list> then
" I6 X9 q8 m$ ^ <statement sequence1>;2 z9 ?1 T2 ~3 x/ Y1 F& E
when <constant_list> then
; l8 e1 ~( I6 m5 g <statement sequence2>;! Z& u j; w2 k7 J
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else
7 t- n' b1 W7 r, d+ _% \$ E# j <statement sequence3>;% y0 ^) w m- |2 I" ]
end;9 B# |9 E# A; Q3 J$ S4 q
7 k! H% ?$ ], O/ u8 a- j2循环语句: @1 u, q$ Q" B5 j' o+ x: `
(1) from <statement sequence1>0 x* d9 q! w1 ^5 R( w
until <condition> loop
/ `6 X, d8 g* P' n; A; g <statement sequence2>;
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(2) while <condition> loop# V7 f* q8 o4 I2 B. p
<statement sequence1>;0 V- P% G( ? P2 Q. u3 p! C/ P
end;8 J& i) N4 A: t* U) O9 Z/ w! ?# E. S
(3) repeat
$ p% \1 W) b' W% p% Q1 U8 \ <statement sequence1>;
5 W" }& y. I' `* u" j/ P until <condition>;
8 z6 F- s5 S/ n (4) for <condition> to <condition> loop K7 G/ s# S1 q% A4 j1 b) r
<statement sequence1>;
$ U8 a2 w$ v" `0 a5 r# H8 }2 z next;0 V0 b5 g0 g1 b0 w2 {! g3 H' K9 F1 k
3中断语句" U5 b& o- c p& s- ]
waituntil <condition> prio <integer expression>;
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/ ~: P; {$ _! O" i, Z以上为常用的函数！" n7 E. z& c6 N5 o% y* Q& [# ?
还有很多，如有需要我把资料发到你邮箱里 / C [" v2 b! }( D4 s! V1 i
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u# |6 |& F( D% g6 a! o
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