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发表于 2012-11-13 08:48:12
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1判断语句/ s; B! P) x+ ]- A
if <condition> then
9 ^+ H2 C4 s- W/ I0 y# l6 F <statement sequence1>;
+ E& ~& _7 ?' r$ ]: v elseif <condition> then) Z3 ^2 r+ X1 m: E& s
<statement sequence2>;
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<statement sequence3>;
+ B# {) C' m% q& l( s+ t end;
" L, w3 Z, y3 J如果分支比较多，用：
3 x8 S7 L: O5 o! C3 A4 m5 n inspect <expression>1 Z$ p; b% i9 {& } [. v/ Y
when <constant_list> then
: h7 X$ p2 F7 ]4 y8 ^ <statement sequence1>;- P- Q2 P( r. {/ I# B9 a
when <constant_list> then
" a/ Q7 h$ [5 o8 c0 ` <statement sequence2>;6 u. X X2 c. e( c( z3 E7 F
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else
3 m# G8 a+ X' Z6 T2 L" }2 L' F: q; K <statement sequence3>;8 @- w+ X" I T2 h! Y. D
end;, S& j; r2 j1 z- T: U5 v
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2循环语句- e, P, V0 F) o# k' s6 J5 y
(1) from <statement sequence1>
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<statement sequence2>;! C; }. p+ Y+ ^8 u! r. g4 x
end;: A j. v! p) [5 D1 x+ Z( \4 P
(2) while <condition> loop
* ?, \) V2 r" o8 b5 t <statement sequence1>;5 p, S# h) c/ e1 n. J
end;
4 R! ?/ j# i" A- f& e- Z (3) repeat
) C; m1 Q: j7 H3 y# v: Z, Z <statement sequence1>;
+ E0 h% Y; p8 ?- q k2 |% Z' { until <condition>;
+ y8 }8 h, `7 \7 p" a (4) for <condition> to <condition> loop0 m! T& x; H" X0 b$ S5 r
<statement sequence1>;
) w4 b8 p/ v9 I3 @9 K7 v0 O next;
7 ^' T+ R6 T2 b: {9 V1 b3中断语句2 W& v. @# q, k
waituntil <condition> prio <integer expression>;' \3 `, f; k# b# ]
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以上为常用的函数！
" m2 E1 G3 Z% l( \. X/ r还有很多，如有需要我把资料发到你邮箱里
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