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发表于 2012-11-13 08:48:12
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1判断语句! K& I2 ~1 R. |' u3 ?: y9 C q: `
if <condition> then
9 j; U4 L3 f* y1 e <statement sequence1>;7 W+ H9 U: e% H- s
elseif <condition> then, [7 L; e: a A4 c- |+ e; }, T4 c
<statement sequence2>;6 z8 a; f9 r3 g/ U3 K! d. R
else 0 z+ A; B, l @+ y- V
<statement sequence3>;0 Q! Y) ^( u( Z0 o. R6 P5 m
end;
1 n$ M9 G5 m' l% X如果分支比较多，用：
o- Y7 h" N) w5 c8 x inspect <expression>
/ L1 x, w% g% r! ~2 P! v0 D5 n when <constant_list> then" K, a1 \- h) Y2 b+ ?( g* Z
<statement sequence1>;
/ n5 g" `# C& |! Y when <constant_list> then+ z! I0 G# m% N/ z
<statement sequence2>;* a6 |6 B) i) M! N
...
+ `8 E, ?) ~1 b Z- s else
; m4 T# K6 y8 H5 H% B0 O1 E' k <statement sequence3>;% l& ? Q& Q! L% |
end;( k) R" v* I0 a" B
* }; S2 f, i) H( T: |" }
2循环语句
0 s1 D$ i9 W+ _% Q+ X (1) from <statement sequence1>
1 q3 Z7 ]7 c1 ] until <condition> loop- n; w3 O9 x2 ?% I4 a0 Q' Q$ H
<statement sequence2>;
) q' C* l. R3 C5 v5 ]$ | end;6 z3 s2 r! U/ T. Z5 R/ E
(2) while <condition> loop4 c( Q7 i% U+ ]- R; V
<statement sequence1>;
/ M7 J; ^' F" ?' ^ end;
# O2 w% z# d' _5 [; y% s+ | (3) repeat / C4 s( b3 ?. _. X* e
<statement sequence1>;
$ S1 T! X# P, a1 F" ? until <condition>;
# X; W: `- m+ `1 [ (4) for <condition> to <condition> loop
' Z5 E6 e) S7 S8 [ <statement sequence1>;" i& Y, }; Z z; a% A6 N7 w d
next;
0 _: G n0 j- ]/ B0 u) d0 }- ]; }3中断语句
& N9 a& W) b' @/ u& _ waituntil <condition> prio <integer expression>;
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2 l E" W w. z以上为常用的函数！8 s, i f; S1 [) Z0 ]% L
还有很多，如有需要我把资料发到你邮箱里
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