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发表于 2012-11-13 08:48:12
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1判断语句
) ^3 c9 @$ I. {: S% S7 ]7 O1 b if <condition> then; g4 Q& @& A' L9 o- t) s- c
<statement sequence1>;; c- M$ U; n3 { {& i
elseif <condition> then
' U* r7 d1 ` z* C6 C <statement sequence2>;
; R6 S1 b$ Y1 |* M8 Y" L else
0 _% h4 @5 d j& C, b <statement sequence3>;
5 _) I2 q! ~, R4 K, o end;
7 j+ P1 L( J; r6 C9 W3 Z& c如果分支比较多，用：. ?) d }1 f* V$ y7 f
inspect <expression>$ n/ Q% x8 W" b) k7 n5 d1 c+ L
when <constant_list> then3 J: I: h! S) |! q
<statement sequence1>;; [% w1 O4 ?. r2 S, l& Q
when <constant_list> then" l" `( U3 V. W; R+ G) h9 \
<statement sequence2>;
# K0 p, S/ x$ e8 o0 _" F8 i ...
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<statement sequence3>;2 D+ [5 I9 U: @, F
end;
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& \0 a, V& F. K. H% R3 F2循环语句
" e9 n& y& I3 E5 U4 K' K! f" v' k (1) from <statement sequence1>3 A0 r; g3 ^: {: s8 G
until <condition> loop6 A; f; {$ S& L2 k
<statement sequence2>;$ t9 e4 c- w7 X; C5 E
end;
9 ^% k9 C8 u( M4 q+ M9 Y- z (2) while <condition> loop# c# u& q; `9 f, b9 C
<statement sequence1>;0 o0 E2 _( A, N
end;* k3 _1 m% q5 W3 |
(3) repeat 0 X" ]4 l5 V- ? K
<statement sequence1>;, ~- Z! p$ o" C* R. s+ ^
until <condition>;
, R7 w6 Z9 A3 ?- P& d (4) for <condition> to <condition> loop; { o5 K$ G1 w2 a2 c( k6 p
<statement sequence1>;/ T$ B4 H1 k) J' D) S% `
next;
5 D2 H) w* y ^3中断语句
D+ l( H: L/ ]% d waituntil <condition> prio <integer expression>;* Q$ S' `( L! b) x
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以上为常用的函数！- z( Y: X) W) T1 Q
还有很多，如有需要我把资料发到你邮箱里 $ K$ v8 ?, x7 T: N/ E
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