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发表于 2012-11-13 08:48:12
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1判断语句3 ] d( X! ^2 i3 ~$ t% F/ z+ x: I- m
if <condition> then/ q z1 k& z2 Z7 ?
<statement sequence1>;
$ `& P. A! X9 T8 @' A elseif <condition> then
4 [9 q: T/ B" i% E0 } <statement sequence2>;/ F" H- |( f/ ?: N, \
else
0 ?1 u; k$ A; S) u t8 S <statement sequence3>;
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如果分支比较多，用：+ k. a6 y" N Z1 Q0 f. m, z3 M
inspect <expression>
2 G6 U% o' ~5 f. V2 G when <constant_list> then
3 Q* @: |% ?8 z" ^3 G <statement sequence1>;
9 s7 h0 i# Y3 P9 O4 v when <constant_list> then
% I+ f% W5 C: |( T4 X0 B! I* [ <statement sequence2>;# h7 r- u$ L5 w- g
...
* Z4 Q& H1 d# P3 R" m) V else" X, r, q2 E, h; q
<statement sequence3>;! u) i, W$ Y* j9 L" j: w# Q; N
end;) ^" R, S' k* }# d2 ]9 E* }5 R
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2循环语句, z0 e1 S& q- i% f
(1) from <statement sequence1>- u4 N" m" v( [9 g! i
until <condition> loop" A' j2 F# ]. ^- E
<statement sequence2>;0 v* A+ V8 ?/ x5 M
end;- \2 R% Z, R0 `! I$ A; g% X
(2) while <condition> loop* U% t( r$ K7 ]2 q
<statement sequence1>;8 O# v: j+ ]3 `: b6 _; e: ?& o& x
end;
, V$ e/ B( d+ p# ]' R (3) repeat
: y- T. O+ o- Q1 }" S1 j5 }: ` <statement sequence1>;+ A/ _2 t/ _) |( F
until <condition>;
6 T* h) Q+ C* }- ^' H' p% D8 g (4) for <condition> to <condition> loop
* X9 J: |0 u6 T1 q) o5 Y <statement sequence1>;5 D8 `& k$ h/ J
next;
6 V2 \. K8 N4 _# V3中断语句
+ R# l4 L+ {2 a% | A waituntil <condition> prio <integer expression>;
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, D* c$ [8 }8 R5 e4 @: E以上为常用的函数！
2 y! K% e. H: h; Y5 q( i8 V- `( U还有很多，如有需要我把资料发到你邮箱里
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