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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
+ I9 |9 V% I* F6 a) U7 q3 v4 { if <condition> then- S- G0 H" g, O5 _( h8 b
<statement sequence1>;+ _- h% l% S* k! \0 h C, }3 ^
elseif <condition> then
3 E; ]5 x8 b; X( }' U( e6 h5 } <statement sequence2>;3 g+ n+ s! ^8 ?1 @1 ]$ d
else : L1 _( E/ N( @* L3 o* D
<statement sequence3>;; o! k% ?: b, a
end;: I7 H- X5 g6 V5 p) R3 O' L
如果分支比较多，用：
7 a' K- c- V" i# ~6 B! S inspect <expression>
. Z- V. A5 p% r# b. _ when <constant_list> then1 x5 r2 O1 Q8 c5 L: L7 S
<statement sequence1>;
+ v2 M: V; c" v V N when <constant_list> then M' n6 A/ G/ e( Y! a7 w0 d0 b
<statement sequence2>;7 O: l$ J5 _6 @2 K6 _: O
...
% h0 F# B1 B! N8 |1 N- e) D else
O: a5 @0 R3 O \1 R* j: C0 S <statement sequence3>;! u: @$ w. g# G5 |! _& x5 S
end;
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2循环语句
" s; g( _9 G* H5 q J5 u- w0 t (1) from <statement sequence1>! l. B2 l; C0 N/ e" }; g- h
until <condition> loop
) @, I& ]" C0 c1 U3 ~ <statement sequence2>;( U! I2 D/ E: m' w3 D
end;& y7 Q& C* L* z8 t; [- ^
(2) while <condition> loop
, Y" V# s3 D1 E! n* z <statement sequence1>;
4 q0 @% r. r- q& l end; G; X- X. r" d, a
(3) repeat
4 T G& T7 R: J4 y" z' O <statement sequence1>;
4 F2 G1 M8 |+ ]5 B until <condition>;" A* O1 r( r' \+ l" U
(4) for <condition> to <condition> loop
; D' J8 r# Z' A- v6 K' N <statement sequence1>;
1 X+ P1 ]/ t# U+ [ next;
, ~3 A9 v- O1 f0 a% @6 ]3中断语句9 }4 E4 u( X5 ?/ {
waituntil <condition> prio <integer expression>;
9 \3 H' x+ j. `! `5 Q" L1 W( A5 H0 e& p6 ]9 s1 j) B
/ b1 L$ _6 Z# z6 C- m$ R以上为常用的函数！
' V0 Y) m- V: {* F; D! M还有很多，如有需要我把资料发到你邮箱里
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