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发表于 2012-11-13 08:48:12
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1判断语句/ o1 q) B+ N( K5 [: z3 `
if <condition> then
0 R$ b6 U5 {# z5 [' S6 } <statement sequence1>;
( B% O3 c) X! S; D elseif <condition> then
3 X3 ^/ ~9 A( e' t <statement sequence2>;* s( G9 r; T# Q
else
+ V' H5 Z8 i* e% P( A <statement sequence3>;. g* o+ D# _! y8 S* q) {
end;
6 X7 c0 s( G" i0 n- E如果分支比较多，用：$ [" r) A' B& k4 n
inspect <expression>
# Q4 r4 ~5 m7 o5 R7 B& k; ^ when <constant_list> then1 Q: @2 S4 ~9 `
<statement sequence1>;
9 W2 l+ a6 w6 z/ r8 E2 u: m when <constant_list> then/ ]3 L7 Z( B" N: g
<statement sequence2>;% o8 R, z6 R* o# Y' n) V- V9 x
..., {! v) I/ [( c6 k
else
/ R1 A" y2 H2 F& h! X <statement sequence3>;% K5 L9 M5 X5 a6 a9 a- Z
end;3 l* @8 z Q- w/ u& B; i2 h, O
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2循环语句4 z# Z5 x2 t0 p0 h$ Z
(1) from <statement sequence1>6 t( e" {" M( H7 S- l
until <condition> loop
6 k: O0 ?% r/ J" o" z; j3 h <statement sequence2>;: X I0 J1 X! v( v
end;
, B% E$ `! t! e* n6 Z (2) while <condition> loop3 d; `+ u* Y7 q8 j! [
<statement sequence1>;, I8 [6 i. m& w/ d. n& S
end;
/ U1 p* z$ t+ F9 @3 y (3) repeat 9 }( U/ L b2 _7 n
<statement sequence1>;
. h( V; H- I/ \3 R* d: o3 t; C until <condition>;3 Z# h, J' D- J u7 r$ k, q8 j
(4) for <condition> to <condition> loop
2 k# W3 }7 J# | <statement sequence1>;
8 W$ ^3 @! r9 Z( v* t1 ^ next;5 Y6 d# G) J6 e E* u( W
3中断语句
+ N" a, D7 R4 H/ S6 v waituntil <condition> prio <integer expression>;! ?) [9 \+ u, h8 p
3 O3 E. h1 C z* ?9 s4 [. L& G% F3 f, P! t8 W
以上为常用的函数！
@5 j" C, o0 }) N# I5 P3 t还有很多，如有需要我把资料发到你邮箱里 1 v$ Q# R" W) }; P1 _
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