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发表于 2012-11-13 08:48:12
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1判断语句8 L$ q& A2 Z: ^
if <condition> then
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3 L) ^" u Y! k; P6 k+ v# x elseif <condition> then
" }) n+ a7 i k5 M1 A <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：9 y* i9 p1 z" y6 O( W* c9 o
inspect <expression>
+ o5 G( J" [7 d$ i" E, V when <constant_list> then/ H2 J$ g4 ~" N2 L, j
<statement sequence1>;
- B5 `9 U: {6 G1 A- Y when <constant_list> then
, n- ]0 j8 R" R. C) k; p <statement sequence2>;
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<statement sequence3>;& G0 f1 X! X% D" L9 x/ V' _+ _
end;3 k+ m# R" l& C; {3 p
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2循环语句4 q+ V5 p4 H" M A- Z% p0 X# }& R1 h
(1) from <statement sequence1>
a8 _2 w1 H1 w/ F0 {. W until <condition> loop$ J% Y7 i2 v p& n; ~' n
<statement sequence2>;7 g1 t3 P: B, c
end;
' U h! m4 {% [" v, j/ K! n Y (2) while <condition> loop) {& h! D: I7 E0 l
<statement sequence1>;. i7 u; o, c/ I D
end;2 q6 o6 _9 o; n. l' ~1 e
(3) repeat 0 x ?; ]; I/ b1 ^8 R/ _
<statement sequence1>;* a4 T$ C$ N" E4 `
until <condition>;6 u9 Z x* U- E: e) y4 {
(4) for <condition> to <condition> loop
' h2 C: H, r f& I <statement sequence1>;3 J2 k, y* @, g) u! g& M7 I
next;
# F, e7 L! N+ h( A; ^% Z3中断语句) \7 v/ Z7 A3 G. ]$ z: Q
waituntil <condition> prio <integer expression>;
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7 K) r% h( N4 t* Q' k以上为常用的函数！
2 Y" g* {! F# p& E还有很多，如有需要我把资料发到你邮箱里 A: p5 [. Z1 T8 q s9 {
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