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发表于 2012-11-13 08:48:12
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1判断语句6 n7 O" b8 V. ~- }) n8 H2 f, K
if <condition> then2 K& M$ T2 \, K1 ?: U6 U
<statement sequence1>;- V3 O k1 M ~3 L
elseif <condition> then
$ F, {% f. y0 ]. c <statement sequence2>;
- u9 ~7 c" l( i' H2 B else
3 o% a: n+ ]% v1 V" m <statement sequence3>;0 N9 C7 N# A4 f, z
end;
0 h% Q8 v6 T3 v' c% c* \如果分支比较多，用：7 X8 K6 n3 C3 h6 I, ?2 T: R' _
inspect <expression>1 A. h. ]" z* ` n7 N$ H# R+ D
when <constant_list> then6 r0 h/ r. m, H" N1 t0 {
<statement sequence1>;, V: ?- l' i0 D% U2 W8 `
when <constant_list> then P B9 r7 E# t/ i2 O& q
<statement sequence2>;& [9 ~. {! ]! y2 `
...6 k* I% J; h. m
else
8 D+ h( w+ H0 A4 } <statement sequence3>;4 [; ?7 R% H% X; c2 T
end;
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* U0 Q3 V% @- R+ ~: D! z4 b' O2循环语句
5 h8 R E/ U6 U+ B (1) from <statement sequence1>
4 {4 o! M; w0 C1 I, I5 Q until <condition> loop" @% P, b/ j3 [0 p& d' X
<statement sequence2>;
8 T0 E3 i0 j* a; [$ j end;& `! T# Q( {6 ~, I- w# X; f
(2) while <condition> loop- t( }$ g4 g5 Q
<statement sequence1>;1 m! M0 O5 o# A6 M. a" I
end;8 O2 j+ X4 P5 A# } l
(3) repeat + o6 _! k2 P) l! U3 T' h5 z! J: k
<statement sequence1>;
: `: G/ s2 Z; w( B1 m- | until <condition>;
/ ^3 K s: S7 V0 B (4) for <condition> to <condition> loop
" X% N+ i4 v+ Z/ V7 u% H" D* k z <statement sequence1>;
# V; e' R6 o! m4 r next;, B6 M' B+ N2 I0 \- j9 M" _% l5 A
3中断语句
' x7 U( C/ f7 q- H2 r, C. @$ d5 q waituntil <condition> prio <integer expression>;. k+ [* h) b) q8 R/ E
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以上为常用的函数！; h2 a6 j( w; T" s6 }5 \5 Z6 I
还有很多，如有需要我把资料发到你邮箱里 4 U2 X$ E9 [" Q: l
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